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skia2/tests/SkParagraphTest.cpp
Julia Lavrova cd2d4e4835 Mixed languages text crashes 
Extending text to grapheme edges should correct glyph range
Bug: skia:10087
Change-Id: I254901aaaa40c2782d1afbd5d5390599bdd7c922

Change-Id: I1d51076656d09e4d2e35e3ddad28bfd60fc87081
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/281756
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Julia Lavrova <jlavrova@google.com>
2020-04-07 17:43:57 +00:00

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// Copyright 2019 Google LLC.
#include <sstream>
#include <thread>
#include "include/core/SkFontMgr.h"
#include "modules/skparagraph/include/TypefaceFontProvider.h"
#include "modules/skparagraph/src/ParagraphBuilderImpl.h"
#include "modules/skparagraph/src/ParagraphImpl.h"
#include "modules/skparagraph/utils/TestFontCollection.h"
#include "src/core/SkFontMgrPriv.h"
#include "src/core/SkOSFile.h"
#include "src/utils/SkOSPath.h"
#include "src/utils/SkShaperJSONWriter.h"
#include "tests/CodecPriv.h"
#include "tests/Test.h"
#include "tools/Resources.h"
#include "tools/ToolUtils.h"
#include "third_party/icu/SkLoadICU.h"
#define VeryLongCanvasWidth 1000000
#define TestCanvasWidth 1000
#define TestCanvasHeight 600
#define DEF_TEST_DISABLED(name, reporter) \
static void test_##name(skiatest::Reporter* reporter, const GrContextOptions&); \
skiatest::TestRegistry name##TestRegistry(skiatest::Test(#name, false, test_##name)); \
void test_##name(skiatest::Reporter* reporter, const GrContextOptions&) { /* SkDebugf("Disabled:"#name "\n"); */ } \
void disabled_##name(skiatest::Reporter* reporter, const GrContextOptions&)
using namespace skia::textlayout;
namespace {
SkScalar EPSILON100 = 0.01f;
SkScalar EPSILON50 = 0.02f;
SkScalar EPSILON20 = 0.05f;
SkScalar EPSILON10 = 0.1f;
SkScalar EPSILON5 = 0.20f;
SkScalar EPSILON2 = 0.50f;
bool equal(const char* base, TextRange a, const char* b) {
return std::strncmp(b, base + a.start, a.width()) == 0;
}
class ResourceFontCollection : public FontCollection {
public:
ResourceFontCollection(bool testOnly = false)
: fFontsFound(false)
, fResolvedFonts(0)
, fResourceDir(GetResourcePath("fonts").c_str())
, fFontProvider(sk_make_sp<TypefaceFontProvider>()) {
std::vector<SkString> fonts;
SkOSFile::Iter iter(fResourceDir.c_str());
if (!SkLoadICU()) {
SkDebugf("ICU not loaded, skipping all the tests\n");
return;
}
SkString path;
while (iter.next(&path)) {
if (path.endsWith("Roboto-Italic.ttf")) {
fFontsFound = true;
}
fonts.emplace_back(path);
}
if (!fFontsFound) {
// SkDebugf("Fonts not found, skipping all the tests\n");
return;
}
// Only register fonts if we have to
for (auto& font : fonts) {
SkString file_path;
file_path.printf("%s/%s", fResourceDir.c_str(), font.c_str());
fFontProvider->registerTypeface(SkTypeface::MakeFromFile(file_path.c_str()));
}
if (testOnly) {
this->setTestFontManager(std::move(fFontProvider));
} else {
this->setAssetFontManager(std::move(fFontProvider));
}
this->disableFontFallback();
}
~ResourceFontCollection() = default;
size_t resolvedFonts() const { return fResolvedFonts; }
// TODO: temp solution until we check in fonts
bool fontsFound() const { return fFontsFound; }
private:
bool fFontsFound;
size_t fResolvedFonts;
std::string fResourceDir;
sk_sp<TypefaceFontProvider> fFontProvider;
};
class TestCanvas {
public:
TestCanvas(const char* testName) : name(testName) {
bits.allocN32Pixels(TestCanvasWidth, TestCanvasHeight);
canvas = new SkCanvas(bits);
canvas->clear(SK_ColorWHITE);
}
~TestCanvas() {
SkString tmpDir = skiatest::GetTmpDir();
if (!tmpDir.isEmpty()) {
SkString path = SkOSPath::Join(tmpDir.c_str(), name);
SkFILEWStream file(path.c_str());
if (!SkEncodeImage(&file, bits, SkEncodedImageFormat::kPNG, 100)) {
SkDebugf("Cannot write a picture %s\n", name);
}
}
delete canvas;
}
void drawRects(SkColor color, std::vector<TextBox>& result, bool fill = false) {
SkPaint paint;
if (!fill) {
paint.setStyle(SkPaint::kStroke_Style);
paint.setAntiAlias(true);
paint.setStrokeWidth(1);
}
paint.setColor(color);
for (auto& r : result) {
canvas->drawRect(r.rect, paint);
}
}
void drawLine(SkColor color, SkRect rect, bool vertical = true) {
SkPaint paint;
paint.setStyle(SkPaint::kStroke_Style);
paint.setAntiAlias(true);
paint.setStrokeWidth(1);
paint.setColor(color);
if (vertical) {
canvas->drawLine(rect.fLeft, rect.fTop, rect.fLeft, rect.fBottom, paint);
} else {
canvas->drawLine(rect.fLeft, rect.fTop, rect.fRight, rect.fTop, paint);
}
}
void drawLines(SkColor color, std::vector<TextBox>& result) {
for (auto& r : result) {
drawLine(color, r.rect);
}
}
SkCanvas* get() { return canvas; }
private:
SkBitmap bits;
SkCanvas* canvas;
const char* name;
};
} // namespace
DEF_TEST(SkParagraph_SimpleParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text = "Hello World Text Dialog";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
REPORTER_ASSERT(reporter, paragraph->unresolvedGlyphs() == 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->runs().size() == 1);
REPORTER_ASSERT(reporter, impl->styles().size() == 1); // paragraph style does not count
REPORTER_ASSERT(reporter, impl->styles()[0].fStyle.equals(text_style));
size_t index = 0;
for (auto& line : impl->lines()) {
line.scanStyles(StyleType::kDecorations,
[&index, reporter]
(TextRange textRange, const TextStyle& style, const TextLine::ClipContext& context) {
REPORTER_ASSERT(reporter, index == 0);
REPORTER_ASSERT(reporter, style.getColor() == SK_ColorBLACK);
++index;
});
}
}
DEF_TEST(SkParagraph_InlinePlaceholderParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
TestCanvas canvas("SkParagraph_InlinePlaceholderParagraph.png");
if (!fontCollection->fontsFound()) return;
const char* text = "012 34";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
paragraph_style.setMaxLines(14);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorBLACK);
text_style.setFontSize(26);
text_style.setWordSpacing(5);
text_style.setLetterSpacing(1);
text_style.setDecoration(TextDecoration::kUnderline);
text_style.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
PlaceholderStyle placeholder1(50, 50, PlaceholderAlignment::kBaseline, TextBaseline::kAlphabetic, 0);
builder.addPlaceholder(placeholder1);
builder.addText(text, len);
builder.addPlaceholder(placeholder1);
PlaceholderStyle placeholder2(5, 50, PlaceholderAlignment::kBaseline, TextBaseline::kAlphabetic, 50);
builder.addPlaceholder(placeholder2);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder2);
builder.addText(text, len);
builder.addPlaceholder(placeholder2);
builder.addText(text, len);
builder.addText(text, len);
builder.addPlaceholder(placeholder2);
builder.addPlaceholder(placeholder2);
builder.addPlaceholder(placeholder2);
builder.addPlaceholder(placeholder2);
builder.addPlaceholder(placeholder2);
builder.addPlaceholder(placeholder1);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addPlaceholder(placeholder2);
builder.addPlaceholder(placeholder1);
builder.addText(text, len);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
paragraph->paint(canvas.get(), 0, 0);
RectHeightStyle rect_height_style = RectHeightStyle::kTight;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
auto boxes = paragraph->getRectsForRange(0, 3, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
boxes = paragraph->getRectsForRange(0, 3, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorGREEN, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
boxes = paragraph->getRectsForPlaceholders();
canvas.drawRects(SK_ColorRED, boxes);
boxes = paragraph->getRectsForRange(4, 17, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorBLUE, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 7);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[1].rect.left(), 90.921f, EPSILON2));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[1].rect.top(), 50, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[1].rect.right(), 90.921f + 50, EPSILON2));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[1].rect.bottom(), 100, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[3].rect.left(), 231.343f, EPSILON2));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[3].rect.top(), 50, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[3].rect.right(), 231.343f + 50, EPSILON2));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[3].rect.bottom(), 100, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[4].rect.left(), 281.343f, EPSILON2));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[4].rect.top(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[4].rect.right(), 281.343f + 5, EPSILON2));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[4].rect.bottom(), 50, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[6].rect.left(), 336.343f, EPSILON2));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[6].rect.top(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[6].rect.right(), 336.343f + 5, EPSILON2));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[6].rect.bottom(), 50, EPSILON100));
}
DEF_TEST(SkParagraph_InlinePlaceholderBaselineParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
TestCanvas canvas("SkParagraph_InlinePlaceholderBaselineParagraph.png");
if (!fontCollection->fontsFound()) return;
const char* text = "012 34";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
paragraph_style.setMaxLines(14);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorBLACK);
text_style.setFontSize(26);
text_style.setWordSpacing(5);
text_style.setLetterSpacing(1);
text_style.setDecoration(TextDecoration::kUnderline);
text_style.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
PlaceholderStyle placeholder(55, 50, PlaceholderAlignment::kBaseline, TextBaseline::kAlphabetic, 38.347f);
builder.addPlaceholder(placeholder);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
paragraph->paint(canvas.get(), 0, 0);
auto boxes = paragraph->getRectsForPlaceholders();
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 90.921f, EPSILON2));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 90.921f + 55, EPSILON2));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 50, EPSILON100));
RectHeightStyle rect_height_style = RectHeightStyle::kTight;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
boxes = paragraph->getRectsForRange(5, 6, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorBLUE, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 75.324f, EPSILON2));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 14.226f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 90.921f, EPSILON2));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 44.694f, EPSILON100));
}
DEF_TEST(SkParagraph_InlinePlaceholderAboveBaselineParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
TestCanvas canvas("SkParagraph_InlinePlaceholderAboveBaselineParagraph.png");
if (!fontCollection->fontsFound()) return;
const char* text = "012 34";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
paragraph_style.setMaxLines(14);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorBLACK);
text_style.setFontSize(26);
text_style.setWordSpacing(5);
text_style.setLetterSpacing(1);
text_style.setDecoration(TextDecoration::kUnderline);
text_style.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
PlaceholderStyle placeholder(55, 50, PlaceholderAlignment::kAboveBaseline, TextBaseline::kAlphabetic, 903129.129308f);
builder.addPlaceholder(placeholder);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
paragraph->paint(canvas.get(), 0, 0);
auto boxes = paragraph->getRectsForPlaceholders();
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 90.921f, EPSILON2));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), -0.347f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 90.921f + 55, EPSILON2));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 49.652f, EPSILON100));
RectHeightStyle rect_height_style = RectHeightStyle::kTight;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
boxes = paragraph->getRectsForRange(5, 6, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorBLUE, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 75.324f, EPSILON2));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 25.531f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 90.921f, EPSILON2));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 56, EPSILON100));
}
DEF_TEST(SkParagraph_InlinePlaceholderBelowBaselineParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
TestCanvas canvas("SkParagraph_InlinePlaceholderBelowBaselineParagraph.png");
if (!fontCollection->fontsFound()) return;
const char* text = "012 34";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
paragraph_style.setMaxLines(14);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorBLACK);
text_style.setFontSize(26);
text_style.setWordSpacing(5);
text_style.setLetterSpacing(1);
text_style.setDecoration(TextDecoration::kUnderline);
text_style.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
PlaceholderStyle placeholder(55, 50, PlaceholderAlignment::kBelowBaseline, TextBaseline::kAlphabetic, 903129.129308f);
builder.addPlaceholder(placeholder);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
paragraph->paint(canvas.get(), 0, 0);
auto boxes = paragraph->getRectsForPlaceholders();
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 90.921f, EPSILON2));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 24, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 90.921f + 55, EPSILON2));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 74, EPSILON100));
RectHeightStyle rect_height_style = RectHeightStyle::kTight;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
boxes = paragraph->getRectsForRange(5, 6, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorBLUE, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 75.324f, EPSILON2));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), -0.121f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 90.921f, EPSILON2));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 30.347f, EPSILON100));
}
DEF_TEST(SkParagraph_InlinePlaceholderBottomParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
TestCanvas canvas("SkParagraph_InlinePlaceholderBottomParagraph.png");
if (!fontCollection->fontsFound()) return;
const char* text = "012 34";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
paragraph_style.setMaxLines(14);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorBLACK);
text_style.setFontSize(26);
text_style.setWordSpacing(5);
text_style.setLetterSpacing(1);
text_style.setDecoration(TextDecoration::kUnderline);
text_style.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
PlaceholderStyle placeholder(55, 50, PlaceholderAlignment::kBottom, TextBaseline::kAlphabetic, 0);
builder.addPlaceholder(placeholder);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
paragraph->paint(canvas.get(), 0, 0);
RectHeightStyle rect_height_style = RectHeightStyle::kTight;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
auto boxes = paragraph->getRectsForPlaceholders();
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 90.921f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 90.921f + 55, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 50, EPSILON100));
boxes = paragraph->getRectsForRange(0, 1, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorBLUE, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 0.5f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 19.531f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 16.097f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 50, EPSILON100));
}
DEF_TEST(SkParagraph_InlinePlaceholderTopParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
TestCanvas canvas("SkParagraph_InlinePlaceholderTopParagraph.png");
if (!fontCollection->fontsFound()) return;
const char* text = "012 34";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
paragraph_style.setMaxLines(14);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorBLACK);
text_style.setFontSize(26);
text_style.setWordSpacing(5);
text_style.setLetterSpacing(1);
text_style.setDecoration(TextDecoration::kUnderline);
text_style.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
PlaceholderStyle placeholder(55, 50, PlaceholderAlignment::kTop, TextBaseline::kAlphabetic, 0);
builder.addPlaceholder(placeholder);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
paragraph->paint(canvas.get(), 0, 0);
RectHeightStyle rect_height_style = RectHeightStyle::kTight;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
auto boxes = paragraph->getRectsForPlaceholders();
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 90.921f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 90.921f + 55, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 50, EPSILON100));
boxes = paragraph->getRectsForRange(0, 1, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorBLUE, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 0.5f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 16.097f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 30.468f, EPSILON100));
}
DEF_TEST(SkParagraph_InlinePlaceholderMiddleParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
TestCanvas canvas("SkParagraph_InlinePlaceholderMiddleParagraph.png");
if (!fontCollection->fontsFound()) return;
const char* text = "012 34";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
paragraph_style.setMaxLines(14);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorBLACK);
text_style.setFontSize(26);
text_style.setWordSpacing(5);
text_style.setLetterSpacing(1);
text_style.setDecoration(TextDecoration::kUnderline);
text_style.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
PlaceholderStyle placeholder(55, 50, PlaceholderAlignment::kMiddle, TextBaseline::kAlphabetic, 0);
builder.addPlaceholder(placeholder);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
paragraph->paint(canvas.get(), 0, 0);
RectHeightStyle rect_height_style = RectHeightStyle::kTight;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
auto boxes = paragraph->getRectsForPlaceholders();
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 90.921f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 90.921f + 55, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 50, EPSILON100));
boxes = paragraph->getRectsForRange(5, 6, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorBLUE, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 75.324f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 9.765f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 90.921f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 40.234f, EPSILON100));
}
DEF_TEST(SkParagraph_InlinePlaceholderIdeographicBaselineParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
TestCanvas canvas("SkParagraph_InlinePlaceholderIdeographicBaselineParagraph.png");
if (!fontCollection->fontsFound()) return;
const char* text = "給能上目秘使";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
paragraph_style.setMaxLines(14);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Source Han Serif CN")});
text_style.setColor(SK_ColorBLACK);
text_style.setFontSize(26);
text_style.setWordSpacing(5);
text_style.setLetterSpacing(1);
text_style.setDecoration(TextDecoration::kUnderline);
text_style.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
PlaceholderStyle placeholder(55, 50, PlaceholderAlignment::kBaseline, TextBaseline::kIdeographic, 38.347f);
builder.addPlaceholder(placeholder);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
paragraph->paint(canvas.get(), 0, 0);
RectHeightStyle rect_height_style = RectHeightStyle::kTight;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
auto boxes = paragraph->getRectsForPlaceholders();
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 162.5f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 162.5f + 55, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 50, EPSILON100));
boxes = paragraph->getRectsForRange(5, 6, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorBLUE, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 135.5f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 4.703f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 162.5f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 42.065f, EPSILON100));
}
DEF_TEST(SkParagraph_InlinePlaceholderBreakParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
TestCanvas canvas("SkParagraph_InlinePlaceholderBreakParagraph.png");
if (!fontCollection->fontsFound()) return;
const char* text = "012 34";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
paragraph_style.setMaxLines(14);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorBLACK);
text_style.setFontSize(26);
text_style.setWordSpacing(5);
text_style.setLetterSpacing(1);
text_style.setDecoration(TextDecoration::kUnderline);
text_style.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
PlaceholderStyle placeholder1(50, 50, PlaceholderAlignment::kBaseline, TextBaseline::kAlphabetic, 50);
PlaceholderStyle placeholder2(25, 25, PlaceholderAlignment::kBaseline, TextBaseline::kAlphabetic, 12.5f);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder2);
builder.addPlaceholder(placeholder1);
builder.addText(text, len);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder2); // 4 + 1
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder2); // 6 + 1
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder2); // 7 + 1
builder.addPlaceholder(placeholder1);
builder.addText(text, len);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder2);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addPlaceholder(placeholder2);
builder.addPlaceholder(placeholder1);
builder.addText(text, len);
builder.addPlaceholder(placeholder2);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
paragraph->paint(canvas.get(), 0, 0);
RectHeightStyle rect_height_style = RectHeightStyle::kTight;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
auto boxes = paragraph->getRectsForRange(0, 3, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
boxes = paragraph->getRectsForRange(175, 176, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorGREEN, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 31.695f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 218.531f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 47.292f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 249, EPSILON100));
boxes = paragraph->getRectsForPlaceholders();
canvas.drawRects(SK_ColorRED, boxes);
boxes = paragraph->getRectsForRange(4, 45, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorBLUE, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 30);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 59.726f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 26.378f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 90.921f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 56.847f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[11].rect.left(), 606.343f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[11].rect.top(), 38, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[11].rect.right(), 631.343f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[11].rect.bottom(), 63, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[17].rect.left(), 0.5f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[17].rect.top(), 63.5f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[17].rect.right(), 50.5f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[17].rect.bottom(), 113.5f, EPSILON100));
}
DEF_TEST(SkParagraph_InlinePlaceholderGetRectsParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
TestCanvas canvas("SkParagraph_InlinePlaceholderGetRectsParagraph.png");
if (!fontCollection->fontsFound()) return;
const char* text = "012 34";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
paragraph_style.setMaxLines(14);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorBLACK);
text_style.setFontSize(26);
text_style.setWordSpacing(5);
text_style.setLetterSpacing(1);
text_style.setDecoration(TextDecoration::kUnderline);
text_style.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
PlaceholderStyle placeholder1(50, 50, PlaceholderAlignment::kBaseline, TextBaseline::kAlphabetic, 50);
PlaceholderStyle placeholder2(5, 20, PlaceholderAlignment::kBaseline, TextBaseline::kAlphabetic, 10);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder2); // 8 + 1
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder2); // 5 + 1
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder1); // 8 + 0
builder.addText(text, len);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder2);
builder.addPlaceholder(placeholder2); // 1 + 2
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder2);
builder.addPlaceholder(placeholder2); // 1 + 2
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len);
builder.addText(text, len); // 11
builder.addPlaceholder(placeholder2);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder2);
builder.addPlaceholder(placeholder1);
builder.addPlaceholder(placeholder2);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
paragraph->paint(canvas.get(), 0, 0);
RectHeightStyle rect_height_style = RectHeightStyle::kMax;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
auto boxes = paragraph->getRectsForPlaceholders();
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 34);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 90.921f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 140.921f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 50, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[16].rect.left(), 800.921f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[16].rect.top(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[16].rect.right(), 850.921f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[16].rect.bottom(), 50, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[33].rect.left(), 503.382f, EPSILON10));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[33].rect.top(), 160, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[33].rect.right(), 508.382f, EPSILON10));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[33].rect.bottom(), 180, EPSILON100));
boxes = paragraph->getRectsForRange(30, 50, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorBLUE, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 8);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 216.097f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 60, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 290.921f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 120, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[1].rect.left(), 290.921f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[1].rect.top(), 60, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[1].rect.right(), 340.921f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[1].rect.bottom(), 120, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[2].rect.left(), 340.921f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[2].rect.top(), 60, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[2].rect.right(), 345.921f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[2].rect.bottom(), 120, EPSILON100));
}
DEF_TEST(SkParagraph_SimpleRedParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text = "I am RED";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorRED);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
REPORTER_ASSERT(reporter, paragraph->unresolvedGlyphs() == 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->runs().size() == 1);
REPORTER_ASSERT(reporter, impl->styles().size() == 1); // paragraph style does not count
REPORTER_ASSERT(reporter, impl->styles()[0].fStyle.equals(text_style));
size_t index = 0;
for (auto& line : impl->lines()) {
line.scanStyles(StyleType::kDecorations,
[reporter, &index](TextRange textRange, const TextStyle& style, const TextLine::ClipContext& context) {
REPORTER_ASSERT(reporter, index == 0);
REPORTER_ASSERT(reporter, style.getColor() == SK_ColorRED);
++index;
return true;
});
}
}
// Checked: DIFF+ (Space between 1 & 2 style blocks)
DEF_TEST(SkParagraph_RainbowParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
TestCanvas canvas("SkParagraph_RainbowParagraph.png");
if (!fontCollection->fontsFound()) return;
const char* text1 = "Red Roboto"; // [0:10)
const char* text2 = "big Greeen Default"; // [10:28)
const char* text3 = "Defcolor Homemade Apple"; // [28:51)
const char* text4 = "Small Blue Roboto"; // [51:68)
const char* text41 = "Small Blue ";
const char* text5 =
"Continue Last Style With lots of words to check if it overlaps "
"properly or not"; // [68:)
const char* text42 =
"Roboto"
"Continue Last Style With lots of words to check if it overlaps "
"properly or not";
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
paragraph_style.setTextAlign(TextAlign::kLeft);
paragraph_style.setMaxLines(2);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style1;
text_style1.setFontFamilies({SkString("Roboto")});
text_style1.setColor(SK_ColorRED);
builder.pushStyle(text_style1);
builder.addText(text1, strlen(text1));
TextStyle text_style2;
text_style2.setFontFamilies({SkString("Roboto")});
text_style2.setFontSize(50);
text_style2.setFontStyle(SkFontStyle(SkFontStyle::kMedium_Weight, SkFontStyle::kNormal_Width,
SkFontStyle::kUpright_Slant));
text_style2.setLetterSpacing(10);
text_style2.setDecorationColor(SK_ColorBLACK);
text_style2.setDecoration((TextDecoration)(
TextDecoration::kUnderline | TextDecoration::kOverline | TextDecoration::kLineThrough));
text_style2.setWordSpacing(30);
text_style2.setColor(SK_ColorGREEN);
builder.pushStyle(text_style2);
builder.addText(text2, strlen(text2));
TextStyle text_style3;
text_style3.setFontFamilies({SkString("Homemade Apple")});
text_style3.setColor(SK_ColorBLACK);
builder.pushStyle(text_style3);
builder.addText(text3, strlen(text3));
TextStyle text_style4;
text_style4.setFontFamilies({SkString("Roboto")});
text_style4.setFontSize(14);
text_style4.setDecorationColor(SK_ColorBLACK);
text_style4.setDecoration((TextDecoration)(
TextDecoration::kUnderline | TextDecoration::kOverline | TextDecoration::kLineThrough));
text_style4.setColor(SK_ColorBLUE);
builder.pushStyle(text_style4);
builder.addText(text4, strlen(text4));
builder.addText(text5, strlen(text5));
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(1000);
paragraph->paint(canvas.get(), 0, 0);
REPORTER_ASSERT(reporter, paragraph->unresolvedGlyphs() == 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->runs().size() == 4);
REPORTER_ASSERT(reporter, impl->styles().size() == 4);
REPORTER_ASSERT(reporter, impl->lines().size() == 2);
auto rects = paragraph->getRectsForRange(0, impl->text().size(), RectHeightStyle::kMax, RectWidthStyle::kTight);
canvas.drawRects(SK_ColorMAGENTA, rects);
size_t index = 0;
impl->lines()[0].scanStyles(
StyleType::kAllAttributes,
[&](TextRange textRange, const TextStyle& style, const TextLine::ClipContext& context) {
switch (index) {
case 0:
REPORTER_ASSERT(reporter, style.equals(text_style1));
REPORTER_ASSERT(reporter, equal(impl->text().begin(), textRange, text1));
break;
case 1:
REPORTER_ASSERT(reporter, style.equals(text_style2));
REPORTER_ASSERT(reporter, equal(impl->text().begin(), textRange, text2));
break;
case 2:
REPORTER_ASSERT(reporter, style.equals(text_style3));
REPORTER_ASSERT(reporter, equal(impl->text().begin(), textRange, text3));
break;
case 3:
REPORTER_ASSERT(reporter, style.equals(text_style4));
REPORTER_ASSERT(reporter, equal(impl->text().begin(), textRange, text41));
break;
default:
REPORTER_ASSERT(reporter, false);
break;
}
++index;
return true;
});
impl->lines()[1].scanStyles(
StyleType::kAllAttributes,
[&](TextRange textRange, const TextStyle& style, const TextLine::ClipContext& context) {
switch (index) {
case 4:
REPORTER_ASSERT(reporter, style.equals(text_style4));
REPORTER_ASSERT(reporter, equal(impl->text().begin(), textRange, text42));
break;
default:
REPORTER_ASSERT(reporter, false);
break;
}
++index;
return true;
});
REPORTER_ASSERT(reporter, index == 5);
}
DEF_TEST(SkParagraph_DefaultStyleParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_DefaultStyleParagraph.png");
const char* text = "No TextStyle! Uh Oh!";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
TextStyle defaultStyle;
defaultStyle.setFontFamilies({SkString("Roboto")});
paragraph_style.setTextStyle(defaultStyle);
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
builder.addText(text, len);
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
paragraph->paint(canvas.get(), 10.0, 15.0);
REPORTER_ASSERT(reporter, paragraph->unresolvedGlyphs() == 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->runs().size() == 1);
REPORTER_ASSERT(reporter, impl->styles().size() == 1);
REPORTER_ASSERT(reporter, impl->lines().size() == 1);
size_t index = 0;
impl->lines()[0].scanStyles(
StyleType::kAllAttributes,
[&](TextRange textRange, const TextStyle& style, const TextLine::ClipContext& context) {
REPORTER_ASSERT(reporter, style.equals(paragraph_style.getTextStyle()));
REPORTER_ASSERT(reporter, equal(impl->text().begin(), textRange, text));
++index;
return true;
});
REPORTER_ASSERT(reporter, index == 1);
}
DEF_TEST(SkParagraph_BoldParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_BoldParagraph.png");
const char* text = "This is Red max bold text!";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorRED);
text_style.setFontSize(60);
text_style.setLetterSpacing(0);
text_style.setFontStyle(SkFontStyle(SkFontStyle::kBlack_Weight, SkFontStyle::kNormal_Width,
SkFontStyle::kUpright_Slant));
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(VeryLongCanvasWidth);
paragraph->paint(canvas.get(), 10.0, 60.0);
REPORTER_ASSERT(reporter, paragraph->unresolvedGlyphs() == 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->runs().size() == 1);
REPORTER_ASSERT(reporter, impl->styles().size() == 1);
REPORTER_ASSERT(reporter, impl->lines().size() == 1);
size_t index = 0;
impl->lines()[0].scanStyles(
StyleType::kAllAttributes,
[&](TextRange textRange, const TextStyle& style, const TextLine::ClipContext& context) {
REPORTER_ASSERT(reporter, style.equals(text_style));
REPORTER_ASSERT(reporter, equal(impl->text().begin(), textRange, text));
++index;
return true;
});
REPORTER_ASSERT(reporter, index == 1);
}
DEF_TEST(SkParagraph_HeightOverrideParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_HeightOverrideParagraph.png");
const char* text = "01234満毎冠行来昼本可\nabcd\n満毎冠行来昼本可";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
paragraph_style.setMaxLines(10);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(20);
text_style.setColor(SK_ColorBLACK);
text_style.setHeight(3.6345f);
text_style.setHeightOverride(true);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->runs().size() == 5);
REPORTER_ASSERT(reporter, impl->styles().size() == 1); // paragraph style does not count
REPORTER_ASSERT(reporter, impl->styles()[0].fStyle.equals(text_style));
paragraph->paint(canvas.get(), 0, 0);
SkPaint paint;
paint.setStyle(SkPaint::kStroke_Style);
paint.setAntiAlias(true);
paint.setStrokeWidth(1);
// Tests for GetRectsForRange()
RectHeightStyle rect_height_style = RectHeightStyle::kIncludeLineSpacingMiddle;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
paint.setColor(SK_ColorRED);
std::vector<TextBox> boxes = paragraph->getRectsForRange(0, 0, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 0ull);
boxes = paragraph->getRectsForRange(0, 40, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorBLUE, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 3ull);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[1].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[1].rect.top(), 92.805f, EPSILON5));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[1].rect.right(), 43.843f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[1].rect.bottom(), 165.495f, EPSILON5));
}
DEF_TEST(SkParagraph_LeftAlignParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_LeftAlignParagraph.png");
const char* text =
"This is a very long sentence to test if the text will properly wrap "
"around and go to the next line. Sometimes, short sentence. Longer "
"sentences are okay too because they are nessecary. Very short. "
"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod "
"tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim "
"veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea "
"commodo consequat. Duis aute irure dolor in reprehenderit in voluptate "
"velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint "
"occaecat cupidatat non proident, sunt in culpa qui officia deserunt "
"mollit anim id est laborum. "
"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod "
"tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim "
"veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea "
"commodo consequat. Duis aute irure dolor in reprehenderit in voluptate "
"velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint "
"occaecat cupidatat non proident, sunt in culpa qui officia deserunt "
"mollit anim id est laborum.";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.setMaxLines(14);
paragraph_style.setTextAlign(TextAlign::kLeft);
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(26);
text_style.setLetterSpacing(1);
text_style.setWordSpacing(5);
text_style.setColor(SK_ColorBLACK);
text_style.setHeight(1);
text_style.setDecoration(TextDecoration::kUnderline);
text_style.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
paragraph->paint(canvas.get(), 0, 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->text().size() == std::string{text}.length());
REPORTER_ASSERT(reporter, impl->runs().size() == 1);
REPORTER_ASSERT(reporter, impl->styles().size() == 1);
REPORTER_ASSERT(reporter, impl->styles()[0].fStyle.equals(text_style));
REPORTER_ASSERT(reporter, impl->lines().size() == paragraph_style.getMaxLines());
double expected_y = 0;
double epsilon = 0.01f;
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->lines()[0].baseline(), 24.121f, epsilon));
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(impl->lines()[0].offset().fY, expected_y, epsilon));
expected_y += 30;
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(impl->lines()[1].offset().fY, expected_y, epsilon));
expected_y += 30;
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(impl->lines()[2].offset().fY, expected_y, epsilon));
expected_y += 30;
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(impl->lines()[3].offset().fY, expected_y, epsilon));
expected_y += 30 * 10;
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(impl->lines()[13].offset().fY, expected_y, epsilon));
REPORTER_ASSERT(reporter,
paragraph_style.getTextAlign() == impl->paragraphStyle().getTextAlign());
// Tests for GetGlyphPositionAtCoordinate()
REPORTER_ASSERT(reporter, impl->getGlyphPositionAtCoordinate(0, 0).position == 0);
REPORTER_ASSERT(reporter, impl->getGlyphPositionAtCoordinate(1, 1).position == 0);
REPORTER_ASSERT(reporter, impl->getGlyphPositionAtCoordinate(1, 35).position == 68);
REPORTER_ASSERT(reporter, impl->getGlyphPositionAtCoordinate(1, 70).position == 134);
REPORTER_ASSERT(reporter, impl->getGlyphPositionAtCoordinate(2000, 35).position == 134);
}
DEF_TEST(SkParagraph_RightAlignParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_RightAlignParagraph.png");
const char* text =
"This is a very long sentence to test if the text will properly wrap "
"around and go to the next line. Sometimes, short sentence. Longer "
"sentences are okay too because they are nessecary. Very short. "
"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod "
"tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim "
"veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea "
"commodo consequat. Duis aute irure dolor in reprehenderit in voluptate "
"velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint "
"occaecat cupidatat non proident, sunt in culpa qui officia deserunt "
"mollit anim id est laborum. "
"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod "
"tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim "
"veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea "
"commodo consequat. Duis aute irure dolor in reprehenderit in voluptate "
"velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint "
"occaecat cupidatat non proident, sunt in culpa qui officia deserunt "
"mollit anim id est laborum.";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.setMaxLines(14);
paragraph_style.setTextAlign(TextAlign::kRight);
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(26);
text_style.setLetterSpacing(1);
text_style.setWordSpacing(5);
text_style.setColor(SK_ColorBLACK);
text_style.setHeight(1);
text_style.setDecoration(TextDecoration::kUnderline);
text_style.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
paragraph->paint(canvas.get(), 0, 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->runs().size() == 1);
REPORTER_ASSERT(reporter, impl->styles().size() == 1);
REPORTER_ASSERT(reporter, impl->styles()[0].fStyle.equals(text_style));
REPORTER_ASSERT(reporter, impl->lines().size() == paragraph_style.getMaxLines());
double expected_y = 0;
double epsilon = 0.01f;
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->lines()[0].baseline(), 24.121f, epsilon));
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(impl->lines()[0].offset().fY, expected_y, epsilon));
expected_y += 30;
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(impl->lines()[1].offset().fY, expected_y, epsilon));
expected_y += 30;
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(impl->lines()[2].offset().fY, expected_y, epsilon));
expected_y += 30;
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(impl->lines()[3].offset().fY, expected_y, epsilon));
expected_y += 30 * 10;
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(impl->lines()[13].offset().fY, expected_y, epsilon));
auto calculate = [](const TextLine& line) -> SkScalar {
return TestCanvasWidth - 100 - line.offset().fX - line.width();
};
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(calculate(impl->lines()[0]), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(calculate(impl->lines()[1]), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(calculate(impl->lines()[2]), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(calculate(impl->lines()[3]), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(calculate(impl->lines()[13]), 0, epsilon));
REPORTER_ASSERT(reporter,
paragraph_style.getTextAlign() == impl->paragraphStyle().getTextAlign());
}
DEF_TEST(SkParagraph_CenterAlignParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_CenterAlignParagraph.png");
const char* text =
"This is a very long sentence to test if the text will properly wrap "
"around and go to the next line. Sometimes, short sentence. Longer "
"sentences are okay too because they are nessecary. Very short. "
"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod "
"tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim "
"veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea "
"commodo consequat. Duis aute irure dolor in reprehenderit in voluptate "
"velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint "
"occaecat cupidatat non proident, sunt in culpa qui officia deserunt "
"mollit anim id est laborum. "
"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod "
"tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim "
"veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea "
"commodo consequat. Duis aute irure dolor in reprehenderit in voluptate "
"velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint "
"occaecat cupidatat non proident, sunt in culpa qui officia deserunt "
"mollit anim id est laborum.";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.setMaxLines(14);
paragraph_style.setTextAlign(TextAlign::kCenter);
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(26);
text_style.setLetterSpacing(1);
text_style.setWordSpacing(5);
text_style.setColor(SK_ColorBLACK);
text_style.setHeight(1);
text_style.setDecoration(TextDecoration::kUnderline);
text_style.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
paragraph->paint(canvas.get(), 0, 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->text().size() == std::string{text}.length());
REPORTER_ASSERT(reporter, impl->runs().size() == 1);
REPORTER_ASSERT(reporter, impl->styles().size() == 1);
REPORTER_ASSERT(reporter, impl->styles()[0].fStyle.equals(text_style));
REPORTER_ASSERT(reporter, impl->lines().size() == paragraph_style.getMaxLines());
double expected_y = 0;
double epsilon = 0.01f;
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->lines()[0].baseline(), 24.121f, epsilon));
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(impl->lines()[0].offset().fY, expected_y, epsilon));
expected_y += 30;
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(impl->lines()[1].offset().fY, expected_y, epsilon));
expected_y += 30;
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(impl->lines()[2].offset().fY, expected_y, epsilon));
expected_y += 30;
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(impl->lines()[3].offset().fY, expected_y, epsilon));
expected_y += 30 * 10;
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(impl->lines()[13].offset().fY, expected_y, epsilon));
auto calculate = [](const TextLine& line) -> SkScalar {
return TestCanvasWidth - 100 - (line.offset().fX * 2 + line.width());
};
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(calculate(impl->lines()[0]), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(calculate(impl->lines()[1]), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(calculate(impl->lines()[2]), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(calculate(impl->lines()[3]), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(calculate(impl->lines()[13]), 0, epsilon));
REPORTER_ASSERT(reporter,
paragraph_style.getTextAlign() == impl->paragraphStyle().getTextAlign());
}
DEF_TEST(SkParagraph_JustifyAlignParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_JustifyAlignParagraph.png");
const char* text =
"This is a very long sentence to test if the text will properly wrap "
"around and go to the next line. Sometimes, short sentence. Longer "
"sentences are okay too because they are nessecary. Very short. "
"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod "
"tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim "
"veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea "
"commodo consequat. Duis aute irure dolor in reprehenderit in voluptate "
"velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint "
"occaecat cupidatat non proident, sunt in culpa qui officia deserunt "
"mollit anim id est laborum. "
"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod "
"tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim "
"veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea "
"commodo consequat. Duis aute irure dolor in reprehenderit in voluptate "
"velit esse cillum dolore eu fugiat.";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.setMaxLines(14);
paragraph_style.setTextAlign(TextAlign::kJustify);
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(26);
text_style.setLetterSpacing(0);
text_style.setWordSpacing(5);
text_style.setColor(SK_ColorBLACK);
text_style.setHeight(1);
text_style.setDecoration(TextDecoration::kUnderline);
text_style.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
paragraph->paint(canvas.get(), 0, 0);
RectHeightStyle rect_height_style = RectHeightStyle::kMax;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
auto boxes = paragraph->getRectsForRange(0, 100, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->text().size() == std::string{text}.length());
REPORTER_ASSERT(reporter, impl->runs().size() == 1);
REPORTER_ASSERT(reporter, impl->styles().size() == 1);
REPORTER_ASSERT(reporter, impl->styles()[0].fStyle.equals(text_style));
double expected_y = 0;
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->lines()[0].baseline(), 24.121f, EPSILON100));
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(impl->lines()[0].offset().fY, expected_y, EPSILON100));
expected_y += 30;
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(impl->lines()[1].offset().fY, expected_y, EPSILON100));
expected_y += 30;
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(impl->lines()[2].offset().fY, expected_y, EPSILON100));
expected_y += 30;
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(impl->lines()[3].offset().fY, expected_y, EPSILON100));
expected_y += 30 * 9;
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(impl->lines()[12].offset().fY, expected_y, EPSILON100));
auto calculate = [](const TextLine& line) -> SkScalar {
return line.offset().fX;
};
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(calculate(impl->lines()[0]), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(calculate(impl->lines()[1]), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(calculate(impl->lines()[2]), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(calculate(impl->lines()[3]), 0, EPSILON100));
REPORTER_ASSERT(reporter,
paragraph_style.getTextAlign() == impl->paragraphStyle().getTextAlign());
}
// Checked: DIFF (ghost spaces as a separate box in TxtLib)
DEF_TEST(SkParagraph_JustifyRTL, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>(true);
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_JustifyRTL.png");
const char* text =
"אאא בּבּבּבּ אאאא בּבּ אאא בּבּבּ אאאאא בּבּבּבּ אאאא בּבּבּבּבּ "
"אאאאא בּבּבּבּבּ אאאבּבּבּבּבּבּאאאאא בּבּבּבּבּבּאאאאאבּבּבּבּבּבּ אאאאא בּבּבּבּבּ "
"אאאאא בּבּבּבּבּבּ אאאאא בּבּבּבּבּבּ אאאאא בּבּבּבּבּבּ אאאאא בּבּבּבּבּבּ אאאאא בּבּבּבּבּבּ";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.setMaxLines(14);
paragraph_style.setTextAlign(TextAlign::kJustify);
paragraph_style.setTextDirection(TextDirection::kRtl);
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Ahem")});
text_style.setFontSize(26);
text_style.setColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
paragraph->paint(canvas.get(), 0, 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
auto calculate = [](const TextLine& line) -> SkScalar {
return TestCanvasWidth - 100 - line.width();
};
for (auto& line : impl->lines()) {
if (&line == &impl->lines().back()) {
REPORTER_ASSERT(reporter, calculate(line) > EPSILON100);
} else {
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(calculate(line), 0, EPSILON100));
}
}
// Just make sure the the text is actually RTL
for (auto& run : impl->runs()) {
REPORTER_ASSERT(reporter, !run.leftToRight());
}
// Tests for GetRectsForRange()
RectHeightStyle rect_height_style = RectHeightStyle::kMax;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
auto boxes = paragraph->getRectsForRange(0, 100, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 3);
boxes = paragraph->getRectsForRange(240, 250, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorBLUE, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 588, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 130, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 640, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 156, EPSILON100));
}
DEF_TEST_DISABLED(SkParagraph_JustifyRTLNewLine, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>(true);
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_JustifyRTLNewLine.png");
const char* text =
"אאא בּבּבּבּ אאאא\nבּבּ אאא בּבּבּ אאאאא בּבּבּבּ אאאא בּבּבּבּבּ "
"אאאאא בּבּבּבּבּ אאאבּבּבּבּבּבּאאאאא בּבּבּבּבּבּאאאאאבּבּבּבּבּבּ אאאאא בּבּבּבּבּ "
"אאאאא בּבּבּבּבּבּ אאאאא בּבּבּבּבּבּ אאאאא בּבּבּבּבּבּ אאאאא בּבּבּבּבּבּ אאאאא בּבּבּבּבּבּ";
auto icu_text = icu::UnicodeString::fromUTF8(text);
std::u16string u16_text(icu_text.getBuffer(), icu_text.getBuffer() + icu_text.length());
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.setMaxLines(14);
paragraph_style.setTextAlign(TextAlign::kJustify);
paragraph_style.setTextDirection(TextDirection::kRtl);
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Ahem")});
text_style.setFontSize(26);
text_style.setColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
paragraph->paint(canvas.get(), 0, 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
SkPaint paint;
paint.setStyle(SkPaint::kStroke_Style);
paint.setAntiAlias(true);
paint.setStrokeWidth(1);
// Tests for GetRectsForRange()
RectHeightStyle rect_height_style = RectHeightStyle::kMax;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
paint.setColor(SK_ColorRED);
auto boxes = paragraph->getRectsForRange(0, 30, rect_height_style, rect_width_style);
for (size_t i = 0; i < boxes.size(); ++i) {
canvas.get()->drawRect(boxes[i].rect, paint);
}
REPORTER_ASSERT(reporter, boxes.size() == 2ull);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 562, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 900, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 26, EPSILON100));
paint.setColor(SK_ColorBLUE);
boxes = paragraph->getRectsForRange(240, 250, rect_height_style, rect_width_style);
for (size_t i = 0; i < boxes.size(); ++i) {
canvas.get()->drawRect(boxes[i].rect, paint);
}
REPORTER_ASSERT(reporter, boxes.size() == 1ull);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 68, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 130, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 120, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 156, EPSILON100));
// All lines should be justified to the width of the
// paragraph.
for (auto& line : impl->lines()) {
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(line.width(), TestCanvasWidth - 100, EPSILON100));
}
}
DEF_TEST_DISABLED(SkParagraph_LeadingSpaceRTL, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>(true);
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_LeadingSpaceRTL.png");
const char* text = " leading space";
auto icu_text = icu::UnicodeString::fromUTF8(text);
std::u16string u16_text(icu_text.getBuffer(), icu_text.getBuffer() + icu_text.length());
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.setMaxLines(14);
paragraph_style.setTextAlign(TextAlign::kJustify);
paragraph_style.setTextDirection(TextDirection::kRtl);
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Ahem")});
text_style.setFontSize(26);
text_style.setColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
paragraph->paint(canvas.get(), 0, 0);
SkPaint paint;
paint.setStyle(SkPaint::kStroke_Style);
paint.setAntiAlias(true);
paint.setStrokeWidth(1);
// Tests for GetRectsForRange()
RectHeightStyle rect_height_style = RectHeightStyle::kMax;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
paint.setColor(SK_ColorRED);
auto boxes = paragraph->getRectsForRange(0, 100, rect_height_style, rect_width_style);
for (size_t i = 0; i < boxes.size(); ++i) {
canvas.get()->drawRect(boxes[i].rect, paint);
}
REPORTER_ASSERT(reporter, boxes.size() == 2ull);
}
DEF_TEST(SkParagraph_DecorationsParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_DecorationsParagraph.png");
const char* text1 = "This text should be";
const char* text2 = " decorated even when";
const char* text3 = " wrapped around to";
const char* text4 = " the next line.";
const char* text5 = " Otherwise, bad things happen.";
ParagraphStyle paragraph_style;
paragraph_style.setMaxLines(14);
paragraph_style.setTextAlign(TextAlign::kLeft);
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(26);
text_style.setLetterSpacing(0);
text_style.setWordSpacing(5);
text_style.setColor(SK_ColorBLACK);
text_style.setHeight(2);
text_style.setDecoration(TextDecoration::kUnderline);
text_style.setDecorationColor(SK_ColorBLACK);
text_style.setDecoration((TextDecoration)(
TextDecoration::kUnderline | TextDecoration::kOverline | TextDecoration::kLineThrough));
text_style.setDecorationStyle(TextDecorationStyle::kSolid);
text_style.setDecorationColor(SK_ColorBLACK);
text_style.setDecorationThicknessMultiplier(2.0);
builder.pushStyle(text_style);
builder.addText(text1, strlen(text1));
text_style.setDecorationStyle(TextDecorationStyle::kDouble);
text_style.setDecorationColor(SK_ColorBLUE);
text_style.setDecorationThicknessMultiplier(1.0);
builder.pushStyle(text_style);
builder.addText(text2, strlen(text2));
text_style.setDecorationStyle(TextDecorationStyle::kDotted);
text_style.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text3, strlen(text3));
text_style.setDecorationStyle(TextDecorationStyle::kDashed);
text_style.setDecorationColor(SK_ColorBLACK);
text_style.setDecorationThicknessMultiplier(3.0);
builder.pushStyle(text_style);
builder.addText(text4, strlen(text4));
text_style.setDecorationStyle(TextDecorationStyle::kWavy);
text_style.setDecorationColor(SK_ColorRED);
text_style.setDecorationThicknessMultiplier(1.0);
builder.pushStyle(text_style);
builder.addText(text5, strlen(text5));
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
paragraph->paint(canvas.get(), 0, 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
size_t index = 0;
for (auto& line : impl->lines()) {
line.scanStyles(
StyleType::kDecorations,
[&](TextRange textRange, const TextStyle& style, const TextLine::ClipContext& context) {
auto decoration = (TextDecoration)(TextDecoration::kUnderline |
TextDecoration::kOverline |
TextDecoration::kLineThrough);
REPORTER_ASSERT(reporter, style.getDecorationType() == decoration);
switch (index) {
case 0:
REPORTER_ASSERT(reporter, style.getDecorationStyle() ==
TextDecorationStyle::kSolid);
REPORTER_ASSERT(reporter, style.getDecorationColor() == SK_ColorBLACK);
REPORTER_ASSERT(reporter,
style.getDecorationThicknessMultiplier() == 2.0);
break;
case 1: // The style appears on 2 lines so it has 2 pieces
REPORTER_ASSERT(reporter, style.getDecorationStyle() ==
TextDecorationStyle::kDouble);
REPORTER_ASSERT(reporter, style.getDecorationColor() == SK_ColorBLUE);
REPORTER_ASSERT(reporter,
style.getDecorationThicknessMultiplier() == 1.0);
break;
case 2:
REPORTER_ASSERT(reporter, style.getDecorationStyle() ==
TextDecorationStyle::kDotted);
REPORTER_ASSERT(reporter, style.getDecorationColor() == SK_ColorBLACK);
REPORTER_ASSERT(reporter,
style.getDecorationThicknessMultiplier() == 1.0);
break;
case 3:
case 4:
REPORTER_ASSERT(reporter, style.getDecorationStyle() ==
TextDecorationStyle::kDashed);
REPORTER_ASSERT(reporter, style.getDecorationColor() == SK_ColorBLACK);
REPORTER_ASSERT(reporter,
style.getDecorationThicknessMultiplier() == 3.0);
break;
case 5:
REPORTER_ASSERT(reporter, style.getDecorationStyle() ==
TextDecorationStyle::kWavy);
REPORTER_ASSERT(reporter, style.getDecorationColor() == SK_ColorRED);
REPORTER_ASSERT(reporter,
style.getDecorationThicknessMultiplier() == 1.0);
break;
default:
REPORTER_ASSERT(reporter, false);
break;
}
++index;
return true;
});
}
}
DEF_TEST(SkParagraph_WavyDecorationParagraph, reporter) {
SkDebugf("TODO: Add test for wavy decorations\n");
}
DEF_TEST(SkParagraph_ItalicsParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_ItalicsParagraph.png");
const char* text1 = "No italic ";
const char* text2 = "Yes Italic ";
const char* text3 = "No Italic again.";
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(10);
text_style.setColor(SK_ColorRED);
builder.pushStyle(text_style);
builder.addText(text1, strlen(text1));
text_style.setFontStyle(SkFontStyle(SkFontStyle::kNormal_Weight, SkFontStyle::kNormal_Width,
SkFontStyle::kItalic_Slant));
builder.pushStyle(text_style);
builder.addText(text2, strlen(text2));
builder.pop();
builder.addText(text3, strlen(text3));
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
paragraph->paint(canvas.get(), 0, 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->runs().size() == 3);
REPORTER_ASSERT(reporter, impl->styles().size() == 3);
REPORTER_ASSERT(reporter, impl->lines().size() == 1);
auto& line = impl->lines()[0];
size_t index = 0;
line.scanStyles(
StyleType::kForeground,
[&](TextRange textRange, const TextStyle& style, const TextLine::ClipContext& context) {
switch (index) {
case 0:
REPORTER_ASSERT(
reporter,
style.getFontStyle().slant() == SkFontStyle::kUpright_Slant);
break;
case 1:
REPORTER_ASSERT(reporter,
style.getFontStyle().slant() == SkFontStyle::kItalic_Slant);
break;
case 2:
REPORTER_ASSERT(
reporter,
style.getFontStyle().slant() == SkFontStyle::kUpright_Slant);
break;
default:
REPORTER_ASSERT(reporter, false);
break;
}
++index;
return true;
});
}
DEF_TEST(SkParagraph_ChineseParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_ChineseParagraph.png");
const char* text =
"左線読設重説切後碁給能上目秘使約。満毎冠行来昼本可必図将発確年。今属場育"
"図情闘陰野高備込制詩西校客。審対江置講今固残必託地集済決維駆年策。立得庭"
"際輝求佐抗蒼提夜合逃表。注統天言件自謙雅載報紙喪。作画稿愛器灯女書利変探"
"訃第金線朝開化建。子戦年帝励害表月幕株漠新期刊人秘。図的海力生禁挙保天戦"
"聞条年所在口。";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.setMaxLines(14);
paragraph_style.setTextAlign(TextAlign::kJustify);
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
auto decoration = (TextDecoration)(TextDecoration::kUnderline | TextDecoration::kOverline |
TextDecoration::kLineThrough);
TextStyle text_style;
text_style.setFontFamilies({SkString("Source Han Serif CN")});
text_style.setFontSize(35);
text_style.setColor(SK_ColorBLACK);
text_style.setLetterSpacing(2);
text_style.setHeight(1);
text_style.setDecoration(decoration);
text_style.setDecorationColor(SK_ColorBLACK);
text_style.setDecorationStyle(TextDecorationStyle::kSolid);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
paragraph->paint(canvas.get(), 0, 0);
REPORTER_ASSERT(reporter, paragraph->unresolvedGlyphs() == 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->runs().size() == 1);
REPORTER_ASSERT(reporter, impl->lines().size() == 7);
REPORTER_ASSERT(reporter, impl->styles().size() == 1);
REPORTER_ASSERT(reporter, impl->styles()[0].fStyle.equals(text_style));
}
// Checked: disabled for TxtLib
DEF_TEST(SkParagraph_ArabicParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_ArabicParagraph.png");
const char* text =
"من أسر وإعلان الخاصّة وهولندا،, عل قائمة الضغوط بالمطالبة تلك. الصفحة "
"بمباركة التقليدية قام عن. تصفح";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.setMaxLines(14);
paragraph_style.setTextAlign(TextAlign::kJustify);
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
auto decoration = (TextDecoration)(TextDecoration::kUnderline | TextDecoration::kOverline |
TextDecoration::kLineThrough);
TextStyle text_style;
text_style.setFontFamilies({SkString("Katibeh")});
text_style.setFontSize(35);
text_style.setColor(SK_ColorBLACK);
text_style.setLetterSpacing(2);
text_style.setDecoration(decoration);
text_style.setDecorationColor(SK_ColorBLACK);
text_style.setDecorationStyle(TextDecorationStyle::kSolid);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
paragraph->paint(canvas.get(), 0, 0);
REPORTER_ASSERT(reporter, paragraph->unresolvedGlyphs() == 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->runs().size() == 1);
REPORTER_ASSERT(reporter, impl->lines().size() == 2);
REPORTER_ASSERT(reporter, impl->styles().size() == 1);
REPORTER_ASSERT(reporter, impl->styles()[0].fStyle.equals(text_style));
}
// Checked: DIFF (2 boxes and each space is a word)
DEF_TEST(SkParagraph_ArabicRectsParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_ArabicRectsParagraph.png");
const char* text = "بمباركة التقليدية قام عن. تصفح يد ";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
paragraph_style.setMaxLines(14);
paragraph_style.setTextAlign(TextAlign::kRight);
paragraph_style.setTextDirection(TextDirection::kRtl);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Noto Naskh Arabic")});
text_style.setFontSize(26);
text_style.setWordSpacing(5);
text_style.setColor(SK_ColorBLACK);
text_style.setDecoration(TextDecoration::kUnderline);
text_style.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->runs().size() == 1);
paragraph->paint(canvas.get(), 0, 0);
RectHeightStyle rect_height_style = RectHeightStyle::kMax;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
std::vector<TextBox> boxes = paragraph->getRectsForRange(0, 100, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1ull);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 538.548f, EPSILON100)); // DIFF: 510.09375
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), -0.268f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 900, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 44, EPSILON100));
}
// Checked DIFF+
// This test shows now 2 boxes for [36:40) range:
// [36:38) for arabic text and [38:39) for the last space
// that has default paragraph direction (LTR) and is placed at the end of the paragraph
DEF_TEST(SkParagraph_ArabicRectsLTRLeftAlignParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_ArabicRectsLTRLeftAlignParagraph.png");
const char* text = "Helloبمباركة التقليدية قام عن. تصفح يد ";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
paragraph_style.setMaxLines(14);
paragraph_style.setTextAlign(TextAlign::kLeft);
paragraph_style.setTextDirection(TextDirection::kLtr);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Noto Naskh Arabic")});
text_style.setFontSize(26);
text_style.setWordSpacing(5);
text_style.setColor(SK_ColorBLACK);
text_style.setDecoration(TextDecoration::kUnderline);
text_style.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->runs().size() == 3);
paragraph->paint(canvas.get(), 0, 0);
RectHeightStyle rect_height_style = RectHeightStyle::kMax;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
// There are 39 codepoints: [0:39); asking for [36:40) would give the same as for [36:39)
std::vector<TextBox> boxes = paragraph->getRectsForRange(36, 40, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 2ull);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 83.92f, EPSILON100)); // DIFF: 89.40625
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), -0.27f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 110.16f, EPSILON100)); // DIFF: 121.87891
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 44, EPSILON100));
}
// Checked DIFF+
DEF_TEST(SkParagraph_ArabicRectsLTRRightAlignParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_ArabicRectsLTRRightAlignParagraph.png");
const char* text = "Helloبمباركة التقليدية قام عن. تصفح يد ";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
paragraph_style.setMaxLines(14);
paragraph_style.setTextAlign(TextAlign::kRight);
paragraph_style.setTextDirection(TextDirection::kLtr);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Noto Naskh Arabic")});
text_style.setFontSize(26);
text_style.setWordSpacing(5);
text_style.setColor(SK_ColorBLACK);
text_style.setDecoration(TextDecoration::kUnderline);
text_style.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->runs().size() == 3);
paragraph->paint(canvas.get(), 0, 0);
RectHeightStyle rect_height_style = RectHeightStyle::kMax;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
std::vector<TextBox> boxes =
paragraph->getRectsForRange(36, 40, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 2ull); // DIFF
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 561.5f, EPSILON100)); // DIFF
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), -0.27f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 587.74f, EPSILON100)); // DIFF
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 44, EPSILON100));
}
DEF_TEST(SkParagraph_GetGlyphPositionAtCoordinateParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_GetGlyphPositionAtCoordinateParagraph.png");
const char* text =
"12345 67890 12345 67890 12345 67890 12345 67890 12345 67890 12345 "
"67890 12345";
const size_t len = strlen(text);
ParagraphStyle paragraphStyle;
paragraphStyle.setTextAlign(TextAlign::kLeft);
paragraphStyle.setMaxLines(10);
paragraphStyle.turnHintingOff();
TextStyle textStyle;
textStyle.setFontFamilies({SkString("Roboto")});
textStyle.setFontStyle(SkFontStyle(SkFontStyle::kNormal_Weight, SkFontStyle::kNormal_Width,
SkFontStyle::kUpright_Slant));
textStyle.setFontSize(50);
textStyle.setLetterSpacing(1);
textStyle.setWordSpacing(5);
textStyle.setHeight(1);
textStyle.setColor(SK_ColorBLACK);
ParagraphBuilderImpl builder(paragraphStyle, fontCollection);
builder.pushStyle(textStyle);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
paragraph->paint(canvas.get(), 0, 0);
// Tests for getGlyphPositionAtCoordinate()
// NOTE: resulting values can be a few off from their respective positions in
// the original text because the final trailing whitespaces are sometimes not
// drawn (namely, when using "justify" alignment) and therefore are not active
// glyphs.
REPORTER_ASSERT(reporter,
paragraph->getGlyphPositionAtCoordinate(-10000, -10000).position == 0);
REPORTER_ASSERT(reporter, paragraph->getGlyphPositionAtCoordinate(-1, -1).position == 0);
REPORTER_ASSERT(reporter, paragraph->getGlyphPositionAtCoordinate(0, 0).position == 0);
REPORTER_ASSERT(reporter, paragraph->getGlyphPositionAtCoordinate(3, 3).position == 0);
REPORTER_ASSERT(reporter, paragraph->getGlyphPositionAtCoordinate(35, 1).position == 1);
REPORTER_ASSERT(reporter,
paragraph->getGlyphPositionAtCoordinate(300, 2).position == 11);
REPORTER_ASSERT(reporter, paragraph->getGlyphPositionAtCoordinate(301, 2.2f).position == 11);
REPORTER_ASSERT(reporter, paragraph->getGlyphPositionAtCoordinate(302, 2.6f).position == 11);
REPORTER_ASSERT(reporter, paragraph->getGlyphPositionAtCoordinate(301, 2.1f).position == 11);
REPORTER_ASSERT(reporter, paragraph->getGlyphPositionAtCoordinate(100000, 20).position == 18);//
REPORTER_ASSERT(reporter, paragraph->getGlyphPositionAtCoordinate(450, 20).position == 16);
REPORTER_ASSERT(reporter, paragraph->getGlyphPositionAtCoordinate(100000, 90).position == 36);//
REPORTER_ASSERT(reporter, paragraph->getGlyphPositionAtCoordinate(-100000, 90).position == 18);
REPORTER_ASSERT(reporter,
paragraph->getGlyphPositionAtCoordinate(20, -80).position == 1);
REPORTER_ASSERT(reporter, paragraph->getGlyphPositionAtCoordinate(1, 90).position == 18);
REPORTER_ASSERT(reporter, paragraph->getGlyphPositionAtCoordinate(1, 170).position == 36);
REPORTER_ASSERT(reporter, paragraph->getGlyphPositionAtCoordinate(10000, 180).position == 72);//
REPORTER_ASSERT(reporter, paragraph->getGlyphPositionAtCoordinate(70, 180).position == 56);
REPORTER_ASSERT(reporter, paragraph->getGlyphPositionAtCoordinate(1, 270).position == 72);
REPORTER_ASSERT(reporter, paragraph->getGlyphPositionAtCoordinate(35, 90).position == 19);
REPORTER_ASSERT(reporter, paragraph->getGlyphPositionAtCoordinate(10000, 10000).position == 77);//
REPORTER_ASSERT(reporter, paragraph->getGlyphPositionAtCoordinate(85, 10000).position == 75);
}
DEF_TEST(SkParagraph_GetRectsForRangeParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_GetRectsForRangeParagraph.png");
const char* text =
"12345, \"67890\" 12345 67890 12345 67890 12345 67890 12345 67890 12345 "
"67890 12345";
const size_t len = strlen(text);
ParagraphStyle paragraphStyle;
paragraphStyle.setTextAlign(TextAlign::kLeft);
paragraphStyle.setMaxLines(10);
paragraphStyle.turnHintingOff();
TextStyle textStyle;
textStyle.setFontFamilies({SkString("Roboto")});
textStyle.setFontSize(50);
textStyle.setColor(SK_ColorBLACK);
textStyle.setFontStyle(SkFontStyle(SkFontStyle::kMedium_Weight, SkFontStyle::kNormal_Width,
SkFontStyle::kUpright_Slant));
ParagraphBuilderImpl builder(paragraphStyle, fontCollection);
builder.pushStyle(textStyle);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
paragraph->paint(canvas.get(), 0, 0);
RectHeightStyle heightStyle = RectHeightStyle::kMax;
RectWidthStyle widthStyle = RectWidthStyle::kTight;
SkPaint paint;
paint.setStyle(SkPaint::kStroke_Style);
paint.setAntiAlias(true);
paint.setStrokeWidth(1);
{
auto result = paragraph->getRectsForRange(0, 0, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.empty());
}
{
auto result = paragraph->getRectsForRange(0, 1, heightStyle, widthStyle);
canvas.drawRects(SK_ColorRED, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0.40625f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 28.417f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(2, 8, heightStyle, widthStyle);
canvas.drawRects(SK_ColorBLUE, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 56.835f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0.40625f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 177.97f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(8, 21, heightStyle, widthStyle);
canvas.drawRects(SK_ColorGREEN, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 177.97f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0.40625f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 507.031f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(30, 100, heightStyle, widthStyle);
canvas.drawRects(SK_ColorRED, result);
REPORTER_ASSERT(reporter, result.size() == 4);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 211.375f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 59.40625f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 463.623f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 118, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[3].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[3].rect.top(), 236.406f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[3].rect.right(), 142.089f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[3].rect.bottom(), 295, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(19, 22, heightStyle, widthStyle);
canvas.drawRects(SK_ColorBLUE, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 450.1875f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0.40625f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 519.47266f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(21, 21, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.empty());
}
}
DEF_TEST(SkParagraph_GetRectsForRangeTight, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_GetRectsForRangeTight.png");
const char* text =
"(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)("
"　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)("
"　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)";
const size_t len = strlen(text);
ParagraphStyle paragraphStyle;
paragraphStyle.setTextAlign(TextAlign::kLeft);
paragraphStyle.setMaxLines(10);
paragraphStyle.turnHintingOff();
TextStyle textStyle;
textStyle.setFontFamilies({SkString("Noto Sans CJK JP")});
textStyle.setFontSize(50);
textStyle.setColor(SK_ColorBLACK);
textStyle.setFontStyle(SkFontStyle(SkFontStyle::kMedium_Weight, SkFontStyle::kNormal_Width,
SkFontStyle::kUpright_Slant));
ParagraphBuilderImpl builder(paragraphStyle, fontCollection);
builder.pushStyle(textStyle);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
paragraph->paint(canvas.get(), 0, 0);
RectHeightStyle heightStyle = RectHeightStyle::kTight;
RectWidthStyle widthStyle = RectWidthStyle::kTight;
{
auto result = paragraph->getRectsForRange(0, 0, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.empty());
}
{
auto result = paragraph->getRectsForRange(0, 1, heightStyle, widthStyle);
canvas.drawRects(SK_ColorRED, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 16.898f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 74, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(2, 8, heightStyle, widthStyle);
canvas.drawRects(SK_ColorBLUE, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 66.899f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 264.099f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 74, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(8, 21, heightStyle, widthStyle);
canvas.drawRects(SK_ColorGREEN, result);
REPORTER_ASSERT(reporter, result.size() == 2);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 264.099f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 595.085f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 74, EPSILON100));
}
}
// Checked: DIFF+
DEF_TEST(SkParagraph_GetRectsForRangeIncludeLineSpacingMiddle, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_GetRectsForRangeIncludeLineSpacingMiddle.png");
const char* text =
"(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)("
"　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)("
"　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)";
const size_t len = strlen(text);
ParagraphStyle paragraphStyle;
paragraphStyle.setTextAlign(TextAlign::kLeft);
paragraphStyle.setMaxLines(10);
paragraphStyle.turnHintingOff();
TextStyle textStyle;
textStyle.setFontFamilies({SkString("Roboto")});
textStyle.setFontSize(50);
textStyle.setHeight(1.6f);
textStyle.setHeightOverride(true);
textStyle.setColor(SK_ColorBLACK);
textStyle.setFontStyle(SkFontStyle(SkFontStyle::kMedium_Weight, SkFontStyle::kNormal_Width,
SkFontStyle::kUpright_Slant));
ParagraphBuilderImpl builder(paragraphStyle, fontCollection);
builder.pushStyle(textStyle);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
paragraph->paint(canvas.get(), 0, 0);
RectHeightStyle heightStyle = RectHeightStyle::kIncludeLineSpacingMiddle;
RectWidthStyle widthStyle = RectWidthStyle::kMax;
{
auto result = paragraph->getRectsForRange(0, 0, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.empty());
}
{
auto result = paragraph->getRectsForRange(0, 1, heightStyle, widthStyle);
canvas.drawRects(SK_ColorRED, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 16.946615f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 17.4296889f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 88.473305f, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(2, 8, heightStyle, widthStyle);
canvas.drawRects(SK_ColorBLUE, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 67.429688f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 16.946615f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 190.00781f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 88.473305f, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(8, 21, heightStyle, widthStyle);
canvas.drawRects(SK_ColorGREEN, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 190.00781f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 16.946615f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 508.0625f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 88.473305f, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(30, 150, heightStyle, widthStyle);
canvas.drawRects(SK_ColorRED, result);
REPORTER_ASSERT(reporter, result.size() == 8);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 190.00781f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 88.473305f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 525.687f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 168.47331f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.left(), 525.687f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.top(), 88.473305f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.right(), 570.02344f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.bottom(), 168.47331f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[2].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[2].rect.top(), 168.47331f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[2].rect.right(), 531.574f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[2].rect.bottom(), 248.47331f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[3].rect.left(), 531.574f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[3].rect.top(), 168.47331f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[3].rect.right(), 570.02344f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[3].rect.bottom(), 248.47331f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[4].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[4].rect.top(), 248.47331f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[4].rect.right(), 570.02344f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[4].rect.bottom(), 328.47333f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[5].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[5].rect.top(), 328.47333f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[5].rect.right(), 570.02344f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[5].rect.bottom(), 408.4733f, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(19, 22, heightStyle, widthStyle);
canvas.drawRects(SK_ColorBLUE, result);
REPORTER_ASSERT(reporter, result.size() == 2); // DIFF
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 463.72656f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 16.946615f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 530.23047f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 88.473305f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.left(), 530.23047f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.top(), 16.946615f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.right(), 570.02344f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.bottom(), 88.473305f, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(21, 21, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.empty());
}
}
// Checked: NO DIFF+
DEF_TEST(SkParagraph_GetRectsForRangeIncludeLineSpacingTop, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_GetRectsForRangeIncludeLineSpacingTop.png");
const char* text =
"(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)("
"　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)("
"　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)";
const size_t len = strlen(text);
ParagraphStyle paragraphStyle;
paragraphStyle.setTextAlign(TextAlign::kLeft);
paragraphStyle.setMaxLines(10);
paragraphStyle.turnHintingOff();
TextStyle textStyle;
textStyle.setFontFamilies({SkString("Roboto")});
textStyle.setFontSize(50);
textStyle.setHeight(1.6f);
textStyle.setHeightOverride(true);
textStyle.setColor(SK_ColorBLACK);
textStyle.setFontStyle(SkFontStyle(SkFontStyle::kMedium_Weight, SkFontStyle::kNormal_Width,
SkFontStyle::kUpright_Slant));
ParagraphBuilderImpl builder(paragraphStyle, fontCollection);
builder.pushStyle(textStyle);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
paragraph->paint(canvas.get(), 0, 0);
RectHeightStyle heightStyle = RectHeightStyle::kIncludeLineSpacingTop;
RectWidthStyle widthStyle = RectWidthStyle::kMax;
{
auto result = paragraph->getRectsForRange(0, 0, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.empty());
}
{
auto result = paragraph->getRectsForRange(0, 1, heightStyle, widthStyle);
canvas.drawRects(SK_ColorRED, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 16.946615f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 17.4296889f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 80, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(2, 8, heightStyle, widthStyle);
canvas.drawRects(SK_ColorBLUE, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 67.429688f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 16.946615f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 190.00781f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 80, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(8, 21, heightStyle, widthStyle);
canvas.drawRects(SK_ColorGREEN, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 190.00781f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 16.946615f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 508.0625f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 80, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(30, 150, heightStyle, widthStyle);
canvas.drawRects(SK_ColorMAGENTA, result);
REPORTER_ASSERT(reporter, result.size() == 8);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 190.00781f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 80, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 525.687f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 160, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.left(), 525.687f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.top(), 80, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.right(), 570.02344f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.bottom(), 160, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[2].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[2].rect.top(), 160, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[2].rect.right(), 531.574f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[2].rect.bottom(), 240, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[3].rect.left(), 531.574f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[3].rect.top(), 160, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[3].rect.right(), 570.02344f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[3].rect.bottom(), 240, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[4].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[4].rect.top(), 240, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[4].rect.right(), 570.02344f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[4].rect.bottom(), 320, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[5].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[5].rect.top(), 320, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[5].rect.right(), 570.02344f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[5].rect.bottom(), 400, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(19, 22, heightStyle, widthStyle);
canvas.drawRects(SK_ColorBLACK, result);
REPORTER_ASSERT(reporter, result.size() == 2); // DIFF
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 463.72656f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 16.946615f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 530.23047f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 80, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.left(), 530.23047f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.top(), 16.946615f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.right(), 570.02344f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.bottom(), 80, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(21, 21, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.empty());
}
}
// Checked: NO DIFF+
DEF_TEST(SkParagraph_GetRectsForRangeIncludeLineSpacingBottom, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_GetRectsForRangeIncludeLineSpacingBottom.png");
const char* text =
"(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)("
"　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)("
"　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)";
const size_t len = strlen(text);
ParagraphStyle paragraphStyle;
paragraphStyle.setTextAlign(TextAlign::kLeft);
paragraphStyle.setMaxLines(10);
paragraphStyle.turnHintingOff();
TextStyle textStyle;
textStyle.setFontFamilies({SkString("Roboto")});
textStyle.setFontSize(50);
textStyle.setHeight(1.6f);
textStyle.setHeightOverride(true);
textStyle.setColor(SK_ColorBLACK);
textStyle.setFontStyle(SkFontStyle(SkFontStyle::kMedium_Weight, SkFontStyle::kNormal_Width,
SkFontStyle::kUpright_Slant));
ParagraphBuilderImpl builder(paragraphStyle, fontCollection);
builder.pushStyle(textStyle);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
paragraph->paint(canvas.get(), 0, 0);
RectHeightStyle heightStyle = RectHeightStyle::kIncludeLineSpacingBottom;
RectWidthStyle widthStyle = RectWidthStyle::kMax;
{
auto result = paragraph->getRectsForRange(0, 0, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.empty());
}
{
auto result = paragraph->getRectsForRange(0, 1, heightStyle, widthStyle);
canvas.drawRects(SK_ColorRED, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 16.946f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 17.429f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 96.946f, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(2, 8, heightStyle, widthStyle);
canvas.drawRects(SK_ColorBLUE, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 67.4298f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 16.946f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 190.007f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 96.946f, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(8, 21, heightStyle, widthStyle);
canvas.drawRects(SK_ColorGREEN, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 190.007f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 16.946f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 508.062f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 96.946f, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(30, 150, heightStyle, widthStyle);
canvas.drawRects(SK_ColorMAGENTA, result);
REPORTER_ASSERT(reporter, result.size() == 8);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 190.007f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 96.946f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 525.687f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 176.946f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.left(), 525.687f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.top(), 96.946f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.right(), 570.023f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.bottom(), 176.946f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[2].rect.left(), 0, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[2].rect.top(), 176.946f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[2].rect.right(), 531.574f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[2].rect.bottom(), 256.946f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[3].rect.left(), 531.574f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[3].rect.top(), 176.946f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[3].rect.right(), 570.023f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[3].rect.bottom(), 256.946f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[4].rect.left(), 0, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[4].rect.top(), 256.946f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[4].rect.right(), 570.023f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[4].rect.bottom(), 336.946f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[5].rect.left(), 0, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[5].rect.top(), 336.946f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[5].rect.right(), 570.023f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[5].rect.bottom(), 416.946f, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(19, 22, heightStyle, widthStyle);
canvas.drawRects(SK_ColorBLACK, result);
REPORTER_ASSERT(reporter, result.size() == 2); // DIFF
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 463.726f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 16.946f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 530.230f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 96.946f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.left(), 530.230f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.top(), 16.946f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.right(), 570.023f, EPSILON20));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.bottom(), 96.946f, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(21, 21, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.empty());
}
}
// This is the test I cannot accommodate
// Any text range gets a smallest glyph rectangle
DEF_TEST_DISABLED(SkParagraph_GetRectsForRangeIncludeCombiningCharacter, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_GetRectsForRangeIncludeCombiningCharacter.png");
const char* text = "ดีสวัสดีชาวโลกที่น่ารัก";
const size_t len = strlen(text);
ParagraphStyle paragraphStyle;
paragraphStyle.setTextAlign(TextAlign::kLeft);
paragraphStyle.setMaxLines(10);
paragraphStyle.turnHintingOff();
ParagraphBuilderImpl builder(paragraphStyle, fontCollection);
TextStyle textStyle;
textStyle.setFontFamilies({SkString("Roboto")});
textStyle.setFontSize(50);
textStyle.setLetterSpacing(1);
textStyle.setWordSpacing(5);
textStyle.setHeight(1);
textStyle.setColor(SK_ColorBLACK);
builder.pushStyle(textStyle);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
paragraph->paint(canvas.get(), 0, 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->lines().size() == 1);
RectHeightStyle heightStyle = RectHeightStyle::kTight;
RectWidthStyle widthStyle = RectWidthStyle::kTight;
{
auto result = paragraph->getRectsForRange(0, 0, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.empty());
}
{
auto first = paragraph->getRectsForRange(0, 1, heightStyle, widthStyle);
auto second = paragraph->getRectsForRange(1, 2, heightStyle, widthStyle);
auto last = paragraph->getRectsForRange(0, 2, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, first.size() == 0 && second.size() == 1 && last.size() == 1);
REPORTER_ASSERT(reporter, second[0].rect == last[0].rect);
}
{
auto first = paragraph->getRectsForRange(3, 4, heightStyle, widthStyle);
auto second = paragraph->getRectsForRange(4, 5, heightStyle, widthStyle);
auto last = paragraph->getRectsForRange(3, 5, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, first.size() == 0 && second.size() == 1 && last.size() == 1);
REPORTER_ASSERT(reporter, second[0].rect == last[0].rect);
}
{
auto first = paragraph->getRectsForRange(14, 15, heightStyle, widthStyle);
auto second = paragraph->getRectsForRange(15, 16, heightStyle, widthStyle);
auto third = paragraph->getRectsForRange(16, 17, heightStyle, widthStyle);
auto last = paragraph->getRectsForRange(14, 17, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, first.size() == 0 && second.size() == 0 && third.size() == 1 && last.size() == 1);
REPORTER_ASSERT(reporter, third[0].rect == last[0].rect);
}
}
// Checked: NO DIFF
DEF_TEST(SkParagraph_GetRectsForRangeCenterParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_GetRectsForRangeCenterParagraph.png");
// Minikin uses a hard coded list of unicode characters that he treats as invisible - as spaces.
// It's absolutely wrong - invisibility is a glyph attribute, not character/grapheme.
// Any attempt to substitute one for another leads to errors
// (for instance, some fonts can use these hard coded characters for something that is visible)
const char* text = "01234 　 "; // includes ideographic space and english space.
const size_t len = strlen(text);
ParagraphStyle paragraphStyle;
paragraphStyle.setTextAlign(TextAlign::kCenter);
paragraphStyle.setMaxLines(10);
paragraphStyle.turnHintingOff();
ParagraphBuilderImpl builder(paragraphStyle, fontCollection);
TextStyle textStyle;
textStyle.setFontFamilies({SkString("Roboto")});
textStyle.setFontSize(50);
textStyle.setHeight(1);
textStyle.setColor(SK_ColorBLACK);
textStyle.setFontStyle(SkFontStyle(SkFontStyle::kMedium_Weight, SkFontStyle::kNormal_Width,
SkFontStyle::kUpright_Slant));
builder.pushStyle(textStyle);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
paragraph->paint(canvas.get(), 0, 0);
// Some of the formatting lazily done on paint
RectHeightStyle heightStyle = RectHeightStyle::kMax;
RectWidthStyle widthStyle = RectWidthStyle::kTight;
{
auto result = paragraph->getRectsForRange(0, 0, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.empty());
}
{
auto result = paragraph->getRectsForRange(0, 1, heightStyle, widthStyle);
canvas.drawRects(SK_ColorRED, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 203.955f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0.40625f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 232.373f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(2, 4, heightStyle, widthStyle);
canvas.drawRects(SK_ColorBLUE, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 260.791f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0.40625f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 317.626f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(4, 5, heightStyle, widthStyle);
canvas.drawRects(SK_ColorGREEN, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 317.626f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0.40625f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 346.044f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(4, 6, heightStyle, widthStyle);
canvas.drawRects(SK_ColorBLACK, result);
REPORTER_ASSERT(reporter, result.size() == 1); // DIFF
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 317.626f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0.40625f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 358.494f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(5, 6, heightStyle, widthStyle);
canvas.drawRects(SK_ColorRED, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 346.044f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0.40625f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 358.494f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(21, 21, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.empty());
}
}
// Checked DIFF+
DEF_TEST(SkParagraph_GetRectsForRangeCenterParagraphNewlineCentered, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_GetRectsForRangeCenterParagraphNewlineCentered.png");
const char* text = "01234\n";
const size_t len = strlen(text);
ParagraphStyle paragraphStyle;
paragraphStyle.setTextAlign(TextAlign::kCenter);
paragraphStyle.setMaxLines(10);
paragraphStyle.turnHintingOff();
ParagraphBuilderImpl builder(paragraphStyle, fontCollection);
TextStyle textStyle;
textStyle.setFontFamilies({SkString("Roboto")});
textStyle.setFontSize(50);
textStyle.setHeight(1);
textStyle.setColor(SK_ColorBLACK);
textStyle.setFontStyle(SkFontStyle(SkFontStyle::kMedium_Weight, SkFontStyle::kNormal_Width,
SkFontStyle::kUpright_Slant));
builder.pushStyle(textStyle);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
paragraph->paint(canvas.get(), 0, 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->lines().size() == 2);
RectHeightStyle heightStyle = RectHeightStyle::kMax;
RectWidthStyle widthStyle = RectWidthStyle::kTight;
{
auto result = paragraph->getRectsForRange(0, 0, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.empty());
}
{
auto result = paragraph->getRectsForRange(0, 1, heightStyle, widthStyle);
canvas.drawRects(SK_ColorRED, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 203.955f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0.40625f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 232.373f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, EPSILON100));
}
{
auto result = paragraph->getRectsForRange(6, 7, heightStyle, widthStyle);
canvas.drawRects(SK_ColorBLUE, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 275.0f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 59.406f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 275.0f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 118, EPSILON100));
}
}
// Checked NO DIFF
DEF_TEST(SkParagraph_GetRectsForRangeCenterMultiLineParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_GetRectsForRangeCenterMultiLineParagraph.png");
const char* text = "01234 　 \n0123　 "; // includes ideographic space and english space.
const size_t len = strlen(text);
ParagraphStyle paragraphStyle;
paragraphStyle.setTextAlign(TextAlign::kCenter);
paragraphStyle.setMaxLines(10);
paragraphStyle.turnHintingOff();
ParagraphBuilderImpl builder(paragraphStyle, fontCollection);
TextStyle textStyle;
textStyle.setFontFamilies({SkString("Roboto")});
textStyle.setFontSize(50);
textStyle.setHeight(1);
textStyle.setColor(SK_ColorBLACK);
textStyle.setFontStyle(SkFontStyle(SkFontStyle::kMedium_Weight, SkFontStyle::kNormal_Width,
SkFontStyle::kUpright_Slant));
builder.pushStyle(textStyle);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
paragraph->paint(canvas.get(), 0, 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->lines().size() == 2);
RectHeightStyle heightStyle = RectHeightStyle::kMax;
RectWidthStyle widthStyle = RectWidthStyle::kTight;
SkScalar epsilon = 0.01f;
{
auto result = paragraph->getRectsForRange(0, 0, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.empty());
}
{
auto result = paragraph->getRectsForRange(0, 1, heightStyle, widthStyle);
canvas.drawRects(SK_ColorRED, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 203.955f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0.40625f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 232.373f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, epsilon));
}
{
auto result = paragraph->getRectsForRange(2, 4, heightStyle, widthStyle);
canvas.drawRects(SK_ColorBLUE, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 260.791f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0.40625f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 317.626f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, epsilon));
}
{
auto result = paragraph->getRectsForRange(4, 6, heightStyle, widthStyle);
canvas.drawRects(SK_ColorGREEN, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 317.626f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0.40625f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 358.494f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, epsilon));
}
{
auto result = paragraph->getRectsForRange(5, 6, heightStyle, widthStyle);
canvas.drawRects(SK_ColorYELLOW, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 346.044f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0.40625f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 358.494f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, epsilon));
}
{
auto result = paragraph->getRectsForRange(10, 12, heightStyle, widthStyle);
canvas.drawRects(SK_ColorCYAN, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 218.164f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 59.40625f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 275, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 118, epsilon));
}
{
auto result = paragraph->getRectsForRange(14, 18, heightStyle, widthStyle);
canvas.drawRects(SK_ColorBLACK, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 331.835f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 59.40625f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 419.189f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 118, epsilon));
}
{
auto result = paragraph->getRectsForRange(21, 21, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.empty());
}
}
// Checked: DIFF (line height rounding error)
DEF_TEST(SkParagraph_GetRectsForRangeStrut, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_GetRectsForRangeStrut.png");
const char* text = "Chinese 字典";
const size_t len = strlen(text);
StrutStyle strutStyle;
strutStyle.setStrutEnabled(true);
strutStyle.setFontFamilies({SkString("Roboto")});
strutStyle.setFontSize(14.0);
ParagraphStyle paragraphStyle;
paragraphStyle.setStrutStyle(strutStyle);
TextStyle textStyle;
textStyle.setFontFamilies({SkString("Noto Sans CJK JP")});
textStyle.setFontSize(20);
textStyle.setColor(SK_ColorBLACK);
ParagraphBuilderImpl builder(paragraphStyle, fontCollection);
builder.pushStyle(textStyle);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
paragraph->paint(canvas.get(), 0, 0);
{
auto result = paragraph->getRectsForRange(0, 10, RectHeightStyle::kTight, RectWidthStyle::kMax);
canvas.drawRects(SK_ColorGREEN, result);
REPORTER_ASSERT(reporter, result.size() == 1);
}
{
auto result = paragraph->getRectsForRange(0, 10, RectHeightStyle::kStrut, RectWidthStyle::kMax);
canvas.drawRects(SK_ColorRED, result);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 10.611f, EPSILON2));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 118.605f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 27.017f, EPSILON2));
}
}
// Checked: NO DIFF
DEF_TEST(SkParagraph_GetRectsForRangeStrutFallback, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_GetRectsForRangeStrutFallback.png");
const char* text = "Chinese 字典";
const size_t len = strlen(text);
StrutStyle strutStyle;
strutStyle.setStrutEnabled(false);
ParagraphStyle paragraphStyle;
paragraphStyle.setStrutStyle(strutStyle);
TextStyle textStyle;
textStyle.setFontFamilies({SkString("Noto Sans CJK JP")});
textStyle.setFontSize(20);
textStyle.setColor(SK_ColorBLACK);
ParagraphBuilderImpl builder(paragraphStyle, fontCollection);
builder.pushStyle(textStyle);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
paragraph->paint(canvas.get(), 0, 0);
auto result1 = paragraph->getRectsForRange(0, 10, RectHeightStyle::kTight, RectWidthStyle::kMax);
canvas.drawRects(SK_ColorGREEN, result1);
REPORTER_ASSERT(reporter, result1.size() == 1);
auto result2 = paragraph->getRectsForRange(0, 10, RectHeightStyle::kStrut, RectWidthStyle::kMax);
canvas.drawRects(SK_ColorRED, result2);
REPORTER_ASSERT(reporter, result2.size() == 1);
REPORTER_ASSERT(reporter, result1[0].rect == result2[0].rect);
}
// Checked: DIFF (small in numbers)
DEF_TEST(SkParagraph_GetWordBoundaryParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_GetWordBoundaryParagraph.png");
const char* text = "12345 67890 12345 67890 12345 67890 12345 "
"67890 12345 67890 12345 67890 12345";
const size_t len = strlen(text);
ParagraphStyle paragraphStyle;
paragraphStyle.setTextAlign(TextAlign::kLeft);
paragraphStyle.setMaxLines(10);
paragraphStyle.turnHintingOff();
TextStyle textStyle;
textStyle.setFontFamilies({SkString("Roboto")});
textStyle.setFontSize(52);
textStyle.setLetterSpacing(1.19039f);
textStyle.setWordSpacing(5);
textStyle.setHeight(1.5);
textStyle.setHeightOverride(true);
textStyle.setColor(SK_ColorBLACK);
ParagraphBuilderImpl builder(paragraphStyle, fontCollection);
builder.pushStyle(textStyle);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
paragraph->paint(canvas.get(), 0, 0);
REPORTER_ASSERT(reporter, paragraph->getWordBoundary(0) == SkRange<size_t>(0, 5));
REPORTER_ASSERT(reporter, paragraph->getWordBoundary(1) == SkRange<size_t>(0, 5));
REPORTER_ASSERT(reporter, paragraph->getWordBoundary(2) == SkRange<size_t>(0, 5));
REPORTER_ASSERT(reporter, paragraph->getWordBoundary(3) == SkRange<size_t>(0, 5));
REPORTER_ASSERT(reporter, paragraph->getWordBoundary(4) == SkRange<size_t>(0, 5));
auto boxes = paragraph->getRectsForRange(5, 6, RectHeightStyle::kMax, RectWidthStyle::kTight);
canvas.drawLines(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, paragraph->getWordBoundary(5) == SkRange<size_t>(5, 7));
boxes = paragraph->getRectsForRange(6, 7, RectHeightStyle::kMax, RectWidthStyle::kTight);
canvas.drawLines(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, paragraph->getWordBoundary(6) == SkRange<size_t>(5, 7));
boxes = paragraph->getRectsForRange(7, 8, RectHeightStyle::kMax, RectWidthStyle::kTight);
canvas.drawLines(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, paragraph->getWordBoundary(7) == SkRange<size_t>(7, 12));
REPORTER_ASSERT(reporter, paragraph->getWordBoundary(8) == SkRange<size_t>(7, 12));
REPORTER_ASSERT(reporter, paragraph->getWordBoundary(9) == SkRange<size_t>(7, 12));
REPORTER_ASSERT(reporter, paragraph->getWordBoundary(10) == SkRange<size_t>(7, 12));
REPORTER_ASSERT(reporter, paragraph->getWordBoundary(11) == SkRange<size_t>(7, 12));
REPORTER_ASSERT(reporter, paragraph->getWordBoundary(12) == SkRange<size_t>(12, 13));
REPORTER_ASSERT(reporter, paragraph->getWordBoundary(13) == SkRange<size_t>(13, 18));
REPORTER_ASSERT(reporter, paragraph->getWordBoundary(30) == SkRange<size_t>(30, 31));
boxes = paragraph->getRectsForRange(12, 13, RectHeightStyle::kMax, RectWidthStyle::kTight);
canvas.drawLines(SK_ColorRED, boxes);
boxes = paragraph->getRectsForRange(13, 14, RectHeightStyle::kMax, RectWidthStyle::kTight);
canvas.drawLines(SK_ColorRED, boxes);
boxes = paragraph->getRectsForRange(18, 19, RectHeightStyle::kMax, RectWidthStyle::kTight);
canvas.drawLines(SK_ColorRED, boxes);
boxes = paragraph->getRectsForRange(19, 20, RectHeightStyle::kMax, RectWidthStyle::kTight);
canvas.drawLines(SK_ColorRED, boxes);
boxes = paragraph->getRectsForRange(24, 25, RectHeightStyle::kMax, RectWidthStyle::kTight);
canvas.drawLines(SK_ColorRED, boxes);
boxes = paragraph->getRectsForRange(25, 26, RectHeightStyle::kMax, RectWidthStyle::kTight);
canvas.drawLines(SK_ColorRED, boxes);
boxes = paragraph->getRectsForRange(30, 31, RectHeightStyle::kMax, RectWidthStyle::kTight);
canvas.drawLines(SK_ColorRED, boxes);
boxes = paragraph->getRectsForRange(31, 32, RectHeightStyle::kMax, RectWidthStyle::kTight);
canvas.drawLines(SK_ColorRED, boxes);
auto outLen = static_cast<ParagraphImpl*>(paragraph.get())->text().size();
REPORTER_ASSERT(reporter, paragraph->getWordBoundary(outLen - 1) == SkRange<size_t>(outLen - 5, outLen));
}
// Checked: DIFF (unclear)
DEF_TEST(SkParagraph_SpacingParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_SpacingParagraph.png");
ParagraphStyle paragraph_style;
paragraph_style.setMaxLines(10);
paragraph_style.setTextAlign(TextAlign::kLeft);
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(50);
text_style.setLetterSpacing(20);
text_style.setWordSpacing(0);
text_style.setColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText("H", 1);
builder.pop();
text_style.setLetterSpacing(10);
text_style.setWordSpacing(0);
builder.pushStyle(text_style);
builder.addText("H", 1);
builder.pop();
text_style.setLetterSpacing(20);
text_style.setWordSpacing(0);
builder.pushStyle(text_style);
builder.addText("H", 1);
builder.pop();
text_style.setLetterSpacing(0);
text_style.setWordSpacing(0);
builder.pushStyle(text_style);
builder.addText("|", 1);
builder.pop();
const char* hSpace = "H ";
const size_t len = strlen(hSpace);
text_style.setLetterSpacing(0);
text_style.setWordSpacing(20);
builder.pushStyle(text_style);
builder.addText(hSpace, len);
builder.pop();
text_style.setLetterSpacing(0);
text_style.setWordSpacing(0);
builder.pushStyle(text_style);
builder.addText(hSpace, len);
builder.pop();
text_style.setLetterSpacing(0);
text_style.setLetterSpacing(0);
text_style.setWordSpacing(20);
builder.pushStyle(text_style);
builder.addText(hSpace, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
paragraph->paint(canvas.get(), 0, 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->lines().size() == 1);
size_t index = 0;
impl->lines().begin()->scanStyles(StyleType::kLetterSpacing,
[&](TextRange textRange, const TextStyle& style, const TextLine::ClipContext& context) {
++index;
return true;
});
REPORTER_ASSERT(reporter, index == 4);
index = 0;
impl->lines().begin()->scanStyles(StyleType::kWordSpacing,
[&](TextRange textRange, const TextStyle& style, const TextLine::ClipContext& context) {
++index;
return true;
});
REPORTER_ASSERT(reporter, index == 4);
}
// Checked: NO DIFF
DEF_TEST(SkParagraph_LongWordParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_LongWordParagraph.png");
const char* text =
"A "
"veryverylongwordtoseewherethiswillwraporifitwillatallandifitdoesthenthat"
"wouldbeagoodthingbecausethebreakingisworking.";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorRED);
text_style.setFontSize(31);
text_style.setLetterSpacing(0);
text_style.setWordSpacing(0);
text_style.setColor(SK_ColorBLACK);
text_style.setHeight(1);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth / 2);
paragraph->paint(canvas.get(), 0, 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->text().size() == std::string{text}.length());
REPORTER_ASSERT(reporter, impl->runs().size() == 1);
REPORTER_ASSERT(reporter, impl->styles().size() == 1);
REPORTER_ASSERT(reporter, impl->styles()[0].fStyle.equals(text_style));
REPORTER_ASSERT(reporter, impl->lines().size() == 4);
REPORTER_ASSERT(reporter, impl->lines()[0].width() > TestCanvasWidth / 2 - 20);
REPORTER_ASSERT(reporter, impl->lines()[1].width() > TestCanvasWidth / 2 - 20);
REPORTER_ASSERT(reporter, impl->lines()[2].width() > TestCanvasWidth / 2 - 20);
}
// Checked: DIFF?
DEF_TEST(SkParagraph_KernScaleParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_KernScaleParagraph.png");
const char* text1 = "AVAVAWAH A0 V0 VA To The Lo";
const char* text2 = " Dialog Text List lots of words to see "
"if kerning works on a bigger set of characters AVAVAW";
float scale = 3.0f;
ParagraphStyle paragraph_style;
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Droid Serif")});
text_style.setFontSize(100 / scale);
text_style.setColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text1, strlen(text1));
builder.pushStyle(text_style);
builder.addText("A", 1);
builder.pushStyle(text_style);
builder.addText("V", 1);
text_style.setFontSize(14 / scale);
builder.pushStyle(text_style);
builder.addText(text2, strlen(text2));
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth / scale);
canvas.get()->scale(scale, scale);
paragraph->paint(canvas.get(), 0, 0);
canvas.get()->scale(1, 1);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
// First and second lines must have the same width, the third one must be bigger
REPORTER_ASSERT(reporter, impl->lines().size() == 3);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->lines()[0].width(), 285.858f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->lines()[1].width(), 329.709f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->lines()[2].width(), 120.619f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->lines()[0].height(), 39.00f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->lines()[1].height(), 39.00f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->lines()[2].height(), 05.00f, EPSILON100));
}
// Checked: DIFF+
DEF_TEST(SkParagraph_NewlineParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_NewlineParagraph.png");
const char* text =
"line1\nline2 test1 test2 test3 test4 test5 test6 test7\nline3\n\nline4 "
"test1 test2 test3 test4";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorRED);
text_style.setFontSize(60);
text_style.setColor(SK_ColorBLACK);
text_style.setHeight(1);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 300);
paragraph->paint(canvas.get(), 0, 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
// Minikin does not count empty lines but SkParagraph does
REPORTER_ASSERT(reporter, impl->lines().size() == 7);
REPORTER_ASSERT(reporter, impl->lines()[0].offset().fY == 0);
REPORTER_ASSERT(reporter, impl->lines()[1].offset().fY == 70);
REPORTER_ASSERT(reporter, impl->lines()[2].offset().fY == 140);
REPORTER_ASSERT(reporter, impl->lines()[3].offset().fY == 210);
REPORTER_ASSERT(reporter, impl->lines()[4].offset().fY == 280); // Empty line
REPORTER_ASSERT(reporter, impl->lines()[5].offset().fY == 296);
REPORTER_ASSERT(reporter, impl->lines()[6].offset().fY == 366);
}
// TODO: Fix underline
DEF_TEST(SkParagraph_EmojiParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_EmojiParagraph.png");
const char* text =
"😀😃😄😁😆😅😂🤣☺😇🙂😍😡😟😢😻👽💩👍👎🙏👌👋👄👁👦👼👨‍🚀👨‍🚒🙋‍♂️👳👨‍👨‍👧‍👧\
💼👡👠☂🐶🐰🐻🐼🐷🐒🐵🐔🐧🐦🐋🐟🐡🕸🐌🐴🐊🐄🐪🐘🌸🌏🔥🌟🌚🌝💦💧\
❄🍕🍔🍟🥝🍱🕶🎩🏈⚽🚴‍♀️🎻🎼🎹🚨🚎🚐⚓🛳🚀🚁🏪🏢🖱⏰📱💾💉📉🛏🔑🔓\
📁🗓📊❤💯🚫🔻♠♣🕓❗🏳🏁🏳️‍🌈🇮🇹🇱🇷🇺🇸🇬🇧🇨🇳🇧🇴";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Noto Color Emoji")});
text_style.setFontSize(50);
text_style.setDecoration(TextDecoration::kUnderline);
text_style.setColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
paragraph->paint(canvas.get(), 0, 0);
REPORTER_ASSERT(reporter, paragraph->unresolvedGlyphs() == 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->lines().size() == 8);
for (auto& line : impl->lines()) {
if (&line != impl->lines().end() - 1) {
REPORTER_ASSERT(reporter, line.width() == 998.25f);
} else {
REPORTER_ASSERT(reporter, line.width() < 998.25f);
}
REPORTER_ASSERT(reporter, line.height() == 59);
}
}
// Checked: DIFF+
DEF_TEST(SkParagraph_EmojiMultiLineRectsParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_EmojiMultiLineRectsParagraph.png");
const char* text =
"👩‍👩‍👦👩‍👩‍👧‍👧🇺🇸👩‍👩‍👦👩‍👩‍👧‍👧i🇺🇸👩‍👩‍👦👩‍👩‍👧‍👧🇺🇸👩‍👩‍👦👩‍👩‍👧‍👧🇺🇸"
"👩‍👩‍👦👩‍👩‍👧‍👧🇺🇸👩‍👩‍👦👩‍👩‍👧‍👧🇺🇸👩‍👩‍👦👩‍👩‍👧‍👧🇺🇸👩‍👩‍👦👩‍👩‍👧‍👧🇺🇸"
"👩‍👩‍👦👩‍👩‍👧‍👧🇺🇸👩‍👩‍👦👩‍👩‍👧‍👧🇺🇸👩‍👩‍👦👩‍👩‍👧‍👧🇺🇸👩‍👩‍👦👩‍👩‍👧‍👧🇺🇸"
"👩‍👩‍👦👩‍👩‍👧‍👧🇺🇸👩‍👩‍👦👩‍👩‍👧‍👧🇺🇸👩‍👩‍👦👩‍👩‍👧‍👧🇺🇸👩‍👩‍👦👩‍👩‍👧‍👧🇺🇸"
"❄🍕🍔🍟🥝🍱🕶🎩🏈⚽🚴‍♀️🎻🎼🎹🚨🚎🚐⚓🛳🚀🚁🏪🏢🖱⏰📱💾💉📉🛏🔑🔓"
"📁🗓📊❤💯🚫🔻♠♣🕓❗🏳🏁🏳️‍🌈🇮🇹🇱🇷🇺🇸🇬🇧🇨🇳🇧🇴";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Noto Color Emoji")});
text_style.setFontSize(50);
text_style.setColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 300);
paragraph->paint(canvas.get(), 0, 0);
RectHeightStyle rect_height_style = RectHeightStyle::kTight;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
auto result = paragraph->getRectsForRange(0, 0, rect_height_style, rect_width_style);
REPORTER_ASSERT(reporter, result.size() == 0);
result = paragraph->getRectsForRange(0, 119, rect_height_style, rect_width_style);
REPORTER_ASSERT(reporter, result.size() == 2);
canvas.drawRects(SK_ColorRED, result);
result = paragraph->getRectsForRange(122, 132, rect_height_style, rect_width_style);
REPORTER_ASSERT(reporter, result.size() == 1);
canvas.drawRects(SK_ColorBLUE, result);
auto pos = paragraph->getGlyphPositionAtCoordinate(610, 100).position;
result = paragraph->getRectsForRange(0, pos, rect_height_style, rect_width_style);
REPORTER_ASSERT(reporter, result.size() == 2);
canvas.drawRects(SK_ColorGREEN, result);
pos = paragraph->getGlyphPositionAtCoordinate(580, 100).position;
result = paragraph->getRectsForRange(0, pos, rect_height_style, rect_width_style);
REPORTER_ASSERT(reporter, result.size() == 2);
canvas.drawRects(SK_ColorGREEN, result);
pos = paragraph->getGlyphPositionAtCoordinate(560, 100).position;
result = paragraph->getRectsForRange(0, pos, rect_height_style, rect_width_style);
REPORTER_ASSERT(reporter, result.size() == 2);
canvas.drawRects(SK_ColorGREEN, result);
}
DEF_TEST(SkParagraph_HyphenBreakParagraph, reporter) {
SkDebugf("Hyphens are not implemented, and will not be implemented soon.\n");
}
// Checked: DIFF (line breaking)
DEF_TEST(SkParagraph_RepeatLayoutParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_RepeatLayoutParagraph.png");
const char* text =
"Sentence to layout at diff widths to get diff line counts. short words "
"short words short words short words short words short words short words "
"short words short words short words short words short words short words "
"end";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(31);
text_style.setColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(300);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
// Some of the formatting lazily done on paint
REPORTER_ASSERT(reporter, impl->runs().size() == 1);
REPORTER_ASSERT(reporter, impl->styles().size() == 1);
REPORTER_ASSERT(reporter, impl->lines().size() == 12);
paragraph->layout(600);
paragraph->paint(canvas.get(), 0, 0);
REPORTER_ASSERT(reporter, impl->runs().size() == 1);
REPORTER_ASSERT(reporter, impl->styles().size() == 1);
REPORTER_ASSERT(reporter, impl->lines().size() == 6);
}
// Checked: NO DIFF
DEF_TEST(SkParagraph_Ellipsize, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_Ellipsize.png");
const char* text =
"This is a very long sentence to test if the text will properly wrap "
"around and go to the next line. Sometimes, short sentence. Longer "
"sentences are okay too because they are nessecary. Very short. ";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.setMaxLines(1);
paragraph_style.setEllipsis(u"\u2026");
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
paragraph->paint(canvas.get(), 0, 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
// Check that the ellipsizer limited the text to one line and did not wrap to a second line.
REPORTER_ASSERT(reporter, impl->lines().size() == 1);
auto& line = impl->lines()[0];
REPORTER_ASSERT(reporter, line.ellipsis() != nullptr);
REPORTER_ASSERT(reporter, impl->runs().size() == 1);
}
// Checked: NO DIFF
DEF_TEST(SkParagraph_UnderlineShiftParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_UnderlineShiftParagraph.png");
const char* text1 = "fluttser ";
const char* text2 = "mdje";
const char* text3 = "fluttser mdje";
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
paragraph_style.setTextAlign(TextAlign::kLeft);
paragraph_style.setMaxLines(2);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text1, strlen(text1));
text_style.setDecoration(TextDecoration::kUnderline);
text_style.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text2, strlen(text2));
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
paragraph->paint(canvas.get(), 0, 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
ParagraphBuilderImpl builder1(paragraph_style, fontCollection);
text_style.setDecoration(TextDecoration::kNoDecoration);
builder1.pushStyle(text_style);
builder1.addText(text3, strlen(text3));
builder1.pop();
auto paragraph1 = builder1.Build();
paragraph1->layout(TestCanvasWidth);
paragraph1->paint(canvas.get(), 0, 25);
auto impl1 = static_cast<ParagraphImpl*>(paragraph1.get());
REPORTER_ASSERT(reporter, impl->lines().size() == 1);
REPORTER_ASSERT(reporter, impl1->lines().size() == 1);
auto rect = paragraph->getRectsForRange(0, 12, RectHeightStyle::kMax, RectWidthStyle::kTight)
.front()
.rect;
auto rect1 = paragraph1->getRectsForRange(0, 12, RectHeightStyle::kMax, RectWidthStyle::kTight)
.front()
.rect;
REPORTER_ASSERT(reporter, rect.fLeft == rect1.fLeft);
REPORTER_ASSERT(reporter, rect.fRight == rect1.fRight);
for (size_t i = 0; i < 12; ++i) {
// Not all ranges produce a rectangle ("fl" goes into one cluster so [0:1) is empty)
auto r1 = paragraph->getRectsForRange(i, i + 1, RectHeightStyle::kMax, RectWidthStyle::kTight);
auto r2 = paragraph1->getRectsForRange(i, i + 1, RectHeightStyle::kMax, RectWidthStyle::kTight);
REPORTER_ASSERT(reporter, r1.size() == r2.size());
if (!r1.empty() && !r2.empty()) {
REPORTER_ASSERT(reporter, r1.front().rect.fLeft == r2.front().rect.fLeft);
REPORTER_ASSERT(reporter, r1.front().rect.fRight == r2.front().rect.fRight);
}
}
}
// Checked: NO DIFF
DEF_TEST(SkParagraph_SimpleShadow, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_SimpleShadow.png");
const char* text = "Hello World Text Dialog";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorBLACK);
text_style.addShadow(TextShadow(SK_ColorBLACK, SkPoint::Make(2.0f, 2.0f), 1.0));
builder.pushStyle(text_style);
builder.addText(text, len);
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
paragraph->paint(canvas.get(), 10.0, 15.0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->runs().size() == 1);
REPORTER_ASSERT(reporter, impl->styles().size() == 1);
size_t index = 0;
for (auto& line : impl->lines()) {
line.scanStyles(StyleType::kShadow,
[&](TextRange textRange, const TextStyle& style, const TextLine::ClipContext& context) {
REPORTER_ASSERT(reporter, index == 0 && style.equals(text_style));
++index;
return true;
});
}
}
// Checked: NO DIFF
DEF_TEST(SkParagraph_ComplexShadow, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_ComplexShadow.png");
const char* text = "Text Chunk ";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorBLACK);
text_style.addShadow(TextShadow(SK_ColorBLACK, SkPoint::Make(2.0f, 2.0f), 1.0f));
builder.pushStyle(text_style);
builder.addText(text, len);
text_style.addShadow(TextShadow(SK_ColorRED, SkPoint::Make(2.0f, 2.0f), 5.0f));
text_style.addShadow(TextShadow(SK_ColorGREEN, SkPoint::Make(10.0f, -5.0f), 3.0f));
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
builder.addText(text, len);
text_style.addShadow(TextShadow(SK_ColorRED, SkPoint::Make(0.0f, 1.0f), 0.0f));
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
builder.addText(text, len);
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
paragraph->paint(canvas.get(), 10.0, 15.0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
size_t index = 0;
for (auto& line : impl->lines()) {
line.scanStyles(StyleType::kShadow,
[&](TextRange textRange, const TextStyle& style, const TextLine::ClipContext& context) {
++index;
switch (index) {
case 1:
REPORTER_ASSERT(reporter, style.getShadowNumber() == 1);
break;
case 2:
REPORTER_ASSERT(reporter, style.getShadowNumber() == 3);
break;
case 3:
REPORTER_ASSERT(reporter, style.getShadowNumber() == 1);
break;
case 4:
REPORTER_ASSERT(reporter, style.getShadowNumber() == 4);
REPORTER_ASSERT(reporter, style.equals(text_style));
break;
case 5:
REPORTER_ASSERT(reporter, style.getShadowNumber() == 1);
break;
default:
REPORTER_ASSERT(reporter, false);
}
return true;
});
}
}
// Checked: NO DIFF
DEF_TEST(SkParagraph_BaselineParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_BaselineParagraph.png");
const char* text =
"左線読設Byg後碁給能上目秘使約。満毎冠行来昼本可必図将発確年。今属場育"
"図情闘陰野高備込制詩西校客。審対江置講今固残必託地集済決維駆年策。立得";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
paragraph_style.setMaxLines(14);
paragraph_style.setTextAlign(TextAlign::kJustify);
paragraph_style.setHeight(1.5);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Source Han Serif CN")});
text_style.setColor(SK_ColorBLACK);
text_style.setFontSize(55);
text_style.setLetterSpacing(2);
text_style.setDecorationStyle(TextDecorationStyle::kSolid);
text_style.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
paragraph->paint(canvas.get(), 0, 0);
SkRect rect1 = SkRect::MakeXYWH(0, paragraph->getIdeographicBaseline(),
paragraph->getMaxWidth(),
paragraph->getIdeographicBaseline());
SkRect rect2 = SkRect::MakeXYWH(0, paragraph->getAlphabeticBaseline(),
paragraph->getMaxWidth(),
paragraph->getAlphabeticBaseline());
canvas.drawLine(SK_ColorRED, rect1, false);
canvas.drawLine(SK_ColorGREEN, rect2, false);
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(paragraph->getIdeographicBaseline(), 79.035f, EPSILON100));
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(paragraph->getAlphabeticBaseline(), 63.305f, EPSILON100));
}
// Checked: NO DIFF (number of runs only)
DEF_TEST(SkParagraph_FontFallbackParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_FontFallbackParagraph.png");
const char* text1 = "Roboto 字典 "; // Roboto + unresolved
const char* text2 = "Homemade Apple 字典"; // Homemade Apple + Noto Sans...
const char* text3 = "Chinese 字典"; // Homemade Apple + Source Han
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({
SkString("Not a real font"),
SkString("Also a fake font"),
SkString("So fake it is obvious"),
SkString("Next one should be a real font..."),
SkString("Roboto"),
SkString("another fake one in between"),
SkString("Homemade Apple"),
});
text_style.setColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text1, strlen(text1));
text_style.setFontFamilies({
SkString("Not a real font"),
SkString("Also a fake font"),
SkString("So fake it is obvious"),
SkString("Homemade Apple"),
SkString("Next one should be a real font..."),
SkString("Roboto"),
SkString("another fake one in between"),
SkString("Noto Sans CJK JP"),
SkString("Source Han Serif CN"),
});
builder.pushStyle(text_style);
builder.addText(text2, strlen(text2));
text_style.setFontFamilies({
SkString("Not a real font"),
SkString("Also a fake font"),
SkString("So fake it is obvious"),
SkString("Homemade Apple"),
SkString("Next one should be a real font..."),
SkString("Roboto"),
SkString("another fake one in between"),
SkString("Source Han Serif CN"),
SkString("Noto Sans CJK JP"),
});
builder.pushStyle(text_style);
builder.addText(text3, strlen(text3));
builder.pop();
auto paragraph = builder.Build();
REPORTER_ASSERT(reporter, paragraph->unresolvedGlyphs() == -1); // Not shaped yet
paragraph->layout(TestCanvasWidth);
paragraph->paint(canvas.get(), 10.0, 15.0);
REPORTER_ASSERT(reporter, paragraph->unresolvedGlyphs() == 2); // From the text1
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
// Font resolution in Skia produces 6 runs because 2 parts of "Roboto 字典 " have different
// script (Minikin merges the first 2 into one because of unresolved) [Apple + Unresolved ]
// [Apple + Noto] [Apple + Han]
REPORTER_ASSERT(reporter, impl->runs().size() == 7);
auto robotoAdvance = impl->runs()[0].advance().fX +
impl->runs()[1].advance().fX +
impl->runs()[2].advance().fX;
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(robotoAdvance, 64.199f, EPSILON50));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->runs()[3].advance().fX, 139.125f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->runs()[4].advance().fX, 27.999f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->runs()[5].advance().fX, 62.248f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->runs()[6].advance().fX, 27.999f, EPSILON100));
// When a different font is resolved, then the metrics are different.
REPORTER_ASSERT(reporter, impl->runs()[4].correctAscent() != impl->runs()[6].correctAscent());
REPORTER_ASSERT(reporter, impl->runs()[4].correctDescent() != impl->runs()[6].correctDescent());
}
// Checked: NO DIFF
DEF_TEST(SkParagraph_StrutParagraph1, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_StrutParagraph1.png");
// The chinese extra height should be absorbed by the strut.
const char* text = "01234満毎冠p来É本可\nabcd\n満毎É行p昼本可";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.setMaxLines(10);
paragraph_style.setTextAlign(TextAlign::kLeft);
paragraph_style.turnHintingOff();
StrutStyle strut_style;
strut_style.setStrutEnabled(true);
strut_style.setFontFamilies({SkString("BlahFake"), SkString("Ahem")});
strut_style.setFontSize(50);
strut_style.setHeight(1.8f);
strut_style.setHeightOverride(true);
strut_style.setLeading(0.1f);
paragraph_style.setStrutStyle(strut_style);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Ahem")});
text_style.setFontSize(50);
text_style.setFontStyle(SkFontStyle(SkFontStyle::kMedium_Weight, SkFontStyle::kNormal_Width, SkFontStyle::kUpright_Slant));
text_style.setColor(SK_ColorBLACK);
text_style.setHeight(0.5f);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
paragraph->paint(canvas.get(), 0, 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->lines().size() == 4);
RectHeightStyle rect_height_style = RectHeightStyle::kTight;
RectHeightStyle rect_height_max_style = RectHeightStyle::kMax;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
{
auto boxes = paragraph->getRectsForRange(0, 0, rect_height_style, rect_width_style);
REPORTER_ASSERT(reporter, boxes.empty());
}
{
auto boxes = paragraph->getRectsForRange(0, 1, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 34.5f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 50, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 84.5f, EPSILON100));
}
{
auto boxes = paragraph->getRectsForRange(0, 1, rect_height_max_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 50, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 95, EPSILON100));
}
{
auto boxes = paragraph->getRectsForRange(6, 10, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 300, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 34.5f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 500, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 84.5f, EPSILON100));
}
{
auto boxes = paragraph->getRectsForRange(6, 10, rect_height_max_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 300, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 500, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 95, EPSILON100));
}
{
auto boxes = paragraph->getRectsForRange(14, 16, rect_height_max_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 190, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 100, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 285, EPSILON100));
}
{
auto boxes = paragraph->getRectsForRange(20, 25, rect_height_max_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 50, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 285, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 300, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 380, EPSILON100));
}
}
// Checked: NO DIFF
DEF_TEST(SkParagraph_StrutParagraph2, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_StrutParagraph2.png");
// The chinese extra height should be absorbed by the strut.
const char* text = "01234ABCDEFGH\nabcd\nABCDEFGH";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.setMaxLines(10);
paragraph_style.setTextAlign(TextAlign::kLeft);
paragraph_style.turnHintingOff();
StrutStyle strut_style;
strut_style.setStrutEnabled(true);
strut_style.setFontFamilies({SkString("Ahem")});
strut_style.setFontSize(50);
strut_style.setHeight(1.6f);
strut_style.setHeightOverride(true);
paragraph_style.setStrutStyle(strut_style);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Ahem")});
text_style.setFontSize(50);
text_style.setFontStyle(SkFontStyle(SkFontStyle::kMedium_Weight, SkFontStyle::kNormal_Width,
SkFontStyle::kUpright_Slant));
text_style.setColor(SK_ColorBLACK);
text_style.setHeight(1);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
paragraph->paint(canvas.get(), 0, 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
// Font is not resolved and the first line does not fit
REPORTER_ASSERT(reporter, impl->lines().size() == 4);
RectHeightStyle rect_height_style = RectHeightStyle::kTight;
RectHeightStyle rect_height_max_style = RectHeightStyle::kMax;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
{
auto boxes = paragraph->getRectsForRange(0, 0, rect_height_style, rect_width_style);
REPORTER_ASSERT(reporter, boxes.empty());
}
{
auto boxes = paragraph->getRectsForRange(0, 1, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 24, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 50, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 74, EPSILON100));
}
{
auto boxes = paragraph->getRectsForRange(0, 1, rect_height_max_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 50, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 80, EPSILON100));
}
{
auto boxes = paragraph->getRectsForRange(6, 10, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 300, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 24, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 500, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 74, EPSILON100));
}
{
auto boxes = paragraph->getRectsForRange(6, 10, rect_height_max_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 300, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 500, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 80, EPSILON100));
}
{
auto boxes = paragraph->getRectsForRange(14, 16, rect_height_max_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 160, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 100, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 240, EPSILON100));
}
{
auto boxes = paragraph->getRectsForRange(20, 25, rect_height_max_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 50, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 240, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 300, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 320, EPSILON100));
}
}
// Checked: NO DIFF
DEF_TEST(SkParagraph_StrutParagraph3, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_StrutParagraph3.png");
// The chinese extra height should be absorbed by the strut.
const char* text = "01234満毎p行来昼本可\nabcd\n満毎冠行来昼本可";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.setMaxLines(10);
paragraph_style.setTextAlign(TextAlign::kLeft);
paragraph_style.turnHintingOff();
StrutStyle strut_style;
strut_style.setStrutEnabled(true);
strut_style.setFontFamilies({SkString("Ahem")});
strut_style.setFontSize(50);
strut_style.setHeight(1.2f);
strut_style.setHeightOverride(true);
paragraph_style.setStrutStyle(strut_style);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Ahem")});
text_style.setFontSize(50);
text_style.setFontStyle(SkFontStyle(SkFontStyle::kMedium_Weight, SkFontStyle::kNormal_Width,
SkFontStyle::kUpright_Slant));
text_style.setColor(SK_ColorBLACK);
text_style.setHeight(1);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
paragraph->paint(canvas.get(), 0, 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
// Font is not resolved and the first line does not fit
REPORTER_ASSERT(reporter, impl->lines().size() == 4);
RectHeightStyle rect_height_style = RectHeightStyle::kTight;
RectHeightStyle rect_height_max_style = RectHeightStyle::kMax;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
SkScalar epsilon = 0.001f;
{
auto boxes = paragraph->getRectsForRange(0, 0, rect_height_style, rect_width_style);
REPORTER_ASSERT(reporter, boxes.empty());
}
{
auto boxes = paragraph->getRectsForRange(0, 1, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 8, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 50, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 58, epsilon));
}
{
auto boxes = paragraph->getRectsForRange(0, 1, rect_height_max_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 50, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 60, epsilon));
}
{
auto boxes = paragraph->getRectsForRange(6, 10, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 300, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 8, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 500, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 58, epsilon));
}
{
auto boxes = paragraph->getRectsForRange(6, 10, rect_height_max_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 300, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 500, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 60, epsilon));
}
{
auto boxes = paragraph->getRectsForRange(14, 16, rect_height_max_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 120, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 100, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 180, epsilon));
}
{
auto boxes = paragraph->getRectsForRange(20, 25, rect_height_max_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 50, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 180, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 300, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 240, epsilon));
}
}
// Checked: NO DIFF
DEF_TEST(SkParagraph_StrutForceParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_StrutForceParagraph.png");
const char* text = "01234満毎冠行来昼本可\nabcd\n満毎冠行来昼本可";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.setMaxLines(10);
paragraph_style.setTextAlign(TextAlign::kLeft);
paragraph_style.turnHintingOff();
StrutStyle strut_style;
strut_style.setStrutEnabled(true);
strut_style.setFontFamilies({SkString("Ahem")});
strut_style.setFontSize(50);
strut_style.setHeight(1.5f);
strut_style.setHeightOverride(true);
strut_style.setLeading(0.1f);
strut_style.setForceStrutHeight(true);
paragraph_style.setStrutStyle(strut_style);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Ahem")});
text_style.setFontSize(50);
text_style.setLetterSpacing(0);
text_style.setColor(SK_ColorBLACK);
text_style.setHeight(1);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
paragraph->paint(canvas.get(), 0, 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
// Font is not resolved and the first line does not fit
REPORTER_ASSERT(reporter, impl->lines().size() == 4);
RectHeightStyle rect_height_style = RectHeightStyle::kTight;
RectHeightStyle rect_height_max_style = RectHeightStyle::kMax;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
auto boxes1 = paragraph->getRectsForRange(0, 0, rect_height_style, rect_width_style);
REPORTER_ASSERT(reporter, boxes1.empty());
auto boxes2 = paragraph->getRectsForRange(0, 1, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes2);
REPORTER_ASSERT(reporter, boxes2.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes2[0].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes2[0].rect.top(), 22.5f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes2[0].rect.right(), 50, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes2[0].rect.bottom(), 72.5f, EPSILON100));
auto boxes3 = paragraph->getRectsForRange(0, 1, rect_height_max_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes3);
REPORTER_ASSERT(reporter, boxes3.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes3[0].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes3[0].rect.top(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes3[0].rect.right(), 50, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes3[0].rect.bottom(), 80, EPSILON100));
auto boxes4 = paragraph->getRectsForRange(6, 10, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes4);
REPORTER_ASSERT(reporter, boxes4.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes4[0].rect.left(), 300, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes4[0].rect.top(), 22.5f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes4[0].rect.right(), 500, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes4[0].rect.bottom(), 72.5f, EPSILON100));
auto boxes5 = paragraph->getRectsForRange(6, 10, rect_height_max_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes5);
REPORTER_ASSERT(reporter, boxes5.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes5[0].rect.left(), 300, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes5[0].rect.top(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes5[0].rect.right(), 500, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes5[0].rect.bottom(), 80, EPSILON100));
auto boxes6 = paragraph->getRectsForRange(14, 16, rect_height_max_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes6);
REPORTER_ASSERT(reporter, boxes6.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes6[0].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes6[0].rect.top(), 160, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes6[0].rect.right(), 100, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes6[0].rect.bottom(), 240, EPSILON100));
auto boxes7 = paragraph->getRectsForRange(20, 25, rect_height_max_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes7);
REPORTER_ASSERT(reporter, boxes7.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes7[0].rect.left(), 50, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes7[0].rect.top(), 240, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes7[0].rect.right(), 300, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes7[0].rect.bottom(), 320, EPSILON100));
}
// Checked: NO DIFF
DEF_TEST(SkParagraph_StrutDefaultParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_StrutDefaultParagraph.png");
const char* text = "01234満毎冠行来昼本可\nabcd\n満毎冠行来昼本可";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.setMaxLines(10);
paragraph_style.setTextAlign(TextAlign::kLeft);
paragraph_style.turnHintingOff();
StrutStyle strut_style;
strut_style.setStrutEnabled(true);
strut_style.setFontFamilies({SkString("Ahem")});
strut_style.setFontSize(50);
strut_style.setHeight(1.5f);
strut_style.setLeading(0.1f);
strut_style.setForceStrutHeight(false);
paragraph_style.setStrutStyle(strut_style);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Ahem")});
text_style.setFontSize(20);
text_style.setColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
paragraph->paint(canvas.get(), 0, 0);
RectHeightStyle rect_height_style = RectHeightStyle::kTight;
RectHeightStyle rect_height_strut_style = RectHeightStyle::kStrut;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
{
auto boxes = paragraph->getRectsForRange(0, 0, rect_height_style, rect_width_style);
REPORTER_ASSERT(reporter, boxes.empty());
}
{
auto boxes = paragraph->getRectsForRange(0, 1, rect_height_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 26.5f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 20, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 46.5f, EPSILON100));
}
{
auto boxes = paragraph->getRectsForRange(0, 2, rect_height_strut_style, rect_width_style);
canvas.drawRects(SK_ColorRED, boxes);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 0, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 2.5f, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 40, EPSILON100));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 52.5f, EPSILON100));
}
}
DEF_TEST(SkParagraph_FontFeaturesParagraph, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_FontFeaturesParagraph.png");
const char* text = "12ab\n";
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontStyle(SkFontStyle::Italic()); // Regular Roboto doesn't have font features
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorBLACK);
text_style.addFontFeature(SkString("tnum"), 1);
builder.pushStyle(text_style);
builder.addText(text);
text_style.resetFontFeatures();
text_style.addFontFeature(SkString("tnum"), 0);
text_style.addFontFeature(SkString("pnum"), 1);
builder.pushStyle(text_style);
builder.addText(text);
builder.pop();
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
paragraph->paint(canvas.get(), 10.0, 15.0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, paragraph->lineNumber() == 3ull);
auto& tnum_line = impl->lines()[0];
auto& pnum_line = impl->lines()[1];
REPORTER_ASSERT(reporter, tnum_line.clusters().width() == 4ull);
REPORTER_ASSERT(reporter, pnum_line.clusters().width() == 4ull);
// Tabular numbers should have equal widths.
REPORTER_ASSERT(reporter, impl->clusters()[0].width() == impl->clusters()[1].width());
// Proportional numbers should have variable widths.
REPORTER_ASSERT(reporter, impl->clusters()[5].width() != impl->clusters()[6].width());
// Alphabetic characters should be unaffected.
REPORTER_ASSERT(reporter, impl->clusters()[2].width() == impl->clusters()[7].width());
}
// Not in Minikin
DEF_TEST(SkParagraph_WhitespacesInMultipleFonts, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text = "English English 字典 字典 😀😃😄 😀😃😄";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies(
{SkString("Roboto"), SkString("Noto Color Emoji"), SkString("Source Han Serif CN")});
text_style.setFontSize(60);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
REPORTER_ASSERT(reporter, paragraph->unresolvedGlyphs() == 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
for (size_t i = 0; i < impl->runs().size() - 1; ++i) {
auto first = impl->runs()[i].textRange();
auto next = impl->runs()[i + 1].textRange();
REPORTER_ASSERT(reporter, first.end == next.start);
}
}
DEF_TEST(SkParagraph_JSON1, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text = "👨‍👩‍👧‍👦";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Noto Color Emoji")});
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->runs().size() == 1);
auto& run = impl->runs().front();
auto cluster = 0;
SkShaperJSONWriter::VisualizeClusters(
text, 0, std::strlen(text), run.glyphs(), run.clusterIndexes(),
[&](int codePointCount, SkSpan<const char> utf1to1, SkSpan<const SkGlyphID> glyph1to1) {
if (cluster == 0) {
std::string toCheckUtf8{utf1to1.data(), utf1to1.size()};
SkASSERT(std::strcmp(text, utf1to1.data()) == 0);
SkASSERT(glyph1to1.size() == 1);
SkASSERT(*glyph1to1.begin() == 1611);
}
++cluster;
});
REPORTER_ASSERT(reporter, cluster <= 2);
}
DEF_TEST(SkParagraph_JSON2, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text = "p〠q";
const size_t len = strlen(text);
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Noto Sans CJK JP")});
text_style.setColor(SK_ColorBLACK);
text_style.setFontSize(50);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->runs().size() == 1);
auto cluster = 0;
for (auto& run : impl->runs()) {
SkShaperJSONWriter::VisualizeClusters(
impl->text().begin() + run.textRange().start, 0, run.textRange().width(),
run.glyphs(), run.clusterIndexes(),
[&](int codePointCount, SkSpan<const char> utf1to1,
SkSpan<const SkGlyphID> glyph1to1) {
if (cluster == 0) {
std::string toCheckUtf8{utf1to1.data(), utf1to1.size()};
SkASSERT(std::strcmp(text, utf1to1.data()) == 0);
SkASSERT(glyph1to1.size() == 3);
}
++cluster;
});
}
REPORTER_ASSERT(reporter, cluster <= 2);
}
DEF_TEST(SkParagraph_CacheText, reporter) {
ParagraphCache cache;
cache.turnOn(true);
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorBLACK);
auto test = [&](const char* text, int count, bool expectedToBeFound) {
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
builder.pushStyle(text_style);
builder.addText(text, strlen(text));
builder.pop();
auto paragraph = builder.Build();
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, count == cache.count());
auto found = cache.findParagraph(impl);
REPORTER_ASSERT(reporter, found == expectedToBeFound);
auto added = cache.updateParagraph(impl);
REPORTER_ASSERT(reporter, added != expectedToBeFound);
};
test("text1", 0, false);
test("text1", 1, true);
test("text2", 1, false);
test("text2", 2, true);
test("text3", 2, false);
}
DEF_TEST(SkParagraph_CacheFonts, reporter) {
ParagraphCache cache;
cache.turnOn(true);
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
const char* text = "text";
const size_t len = strlen(text);
auto test = [&](int count, bool expectedToBeFound) {
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, count == cache.count());
auto found = cache.findParagraph(impl);
REPORTER_ASSERT(reporter, found == expectedToBeFound);
auto added = cache.updateParagraph(impl);
REPORTER_ASSERT(reporter, added != expectedToBeFound);
};
text_style.setFontFamilies({SkString("Roboto")});
test(0, false);
test(1, true);
text_style.setFontFamilies({SkString("Homemade Apple")});
test(1, false);
test(2, true);
text_style.setFontFamilies({SkString("Noto Color Emoji")});
test(2, false);
}
DEF_TEST(SkParagraph_CacheFontRanges, reporter) {
ParagraphCache cache;
cache.turnOn(true);
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorBLACK);
auto test = [&](const char* text1,
const char* text2,
const char* font1,
const char* font2,
int count,
bool expectedToBeFound) {
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
text_style.setFontFamilies({SkString(font1)});
builder.pushStyle(text_style);
builder.addText(text1, strlen(text1));
builder.pop();
text_style.setFontFamilies({SkString(font2)});
builder.pushStyle(text_style);
builder.addText(text2, strlen(text2));
builder.pop();
auto paragraph = builder.Build();
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, count == cache.count());
auto found = cache.findParagraph(impl);
REPORTER_ASSERT(reporter, found == expectedToBeFound);
auto added = cache.updateParagraph(impl);
REPORTER_ASSERT(reporter, added != expectedToBeFound);
};
test("text", "", "Roboto", "Homemade Apple", 0, false);
test("t", "ext", "Roboto", "Homemade Apple", 1, false);
test("te", "xt", "Roboto", "Homemade Apple", 2, false);
test("tex", "t", "Roboto", "Homemade Apple", 3, false);
test("text", "", "Roboto", "Homemade Apple", 4, true);
}
DEF_TEST(SkParagraph_CacheStyles, reporter) {
ParagraphCache cache;
cache.turnOn(true);
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorBLACK);
const char* text = "text";
const size_t len = strlen(text);
auto test = [&](int count, bool expectedToBeFound) {
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
builder.pushStyle(text_style);
builder.addText(text, len);
builder.pop();
auto paragraph = builder.Build();
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, count == cache.count());
auto found = cache.findParagraph(impl);
REPORTER_ASSERT(reporter, found == expectedToBeFound);
auto added = cache.updateParagraph(impl);
REPORTER_ASSERT(reporter, added != expectedToBeFound);
};
test(0, false);
test(1, true);
text_style.setLetterSpacing(10);
test(1, false);
test(2, true);
text_style.setWordSpacing(10);
test(2, false);
}
DEF_TEST(SkParagraph_EmptyParagraphWithLineBreak, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
TestCanvas canvas("SkParagraph_EmptyParagraphWithLineBreak.png");
ParagraphStyle paragraph_style;
TextStyle text_style;
text_style.setFontSize(16);
text_style.setFontFamilies({SkString("Roboto")});
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
builder.addText("\n", 1);
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
paragraph->paint(canvas.get(), 0, 0);
auto result = paragraph->getRectsForPlaceholders();
}
DEF_TEST(SkParagraph_NullInMiddleOfText, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
TestCanvas canvas("SkParagraph_NullInMiddleOfText.png");
const SkString text("null terminator ->\u0000<- on purpose did you see it?");
ParagraphStyle paragraph_style;
TextStyle text_style;
text_style.setFontSize(16);
text_style.setFontFamilies({SkString("Roboto")});
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
builder.addText(text.c_str(), text.size());
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
paragraph->paint(canvas.get(), 0, 0);
}
DEF_TEST(SkParagraph_PlaceholderOnly, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
TestCanvas canvas("SkParagraph_PlaceholderOnly.png");
ParagraphStyle paragraph_style;
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
PlaceholderStyle placeholder(0, 0, PlaceholderAlignment::kBaseline, TextBaseline::kAlphabetic, 0);
builder.addPlaceholder(placeholder);
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
auto result = paragraph->getRectsForPlaceholders();
paragraph->paint(canvas.get(), 0, 0);
}
DEF_TEST(SkParagraph_Fallbacks, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault(), "Arial");
TestCanvas canvas("SkParagraph_Fallbacks.png");
const char* multiScript = "A1!aÀàĀāƁƀḂⱠꜲꬰəͲἀἏЀЖԠꙐꙮՁخ‎ࡔࠇܦআਉઐଘஇఘಧൺඣᭆᯔᮯ᳇ꠈᜅᩌꪈ༇ꥄꡙꫤ᧰៘꧁꧂ᜰᨏᯤᢆᣭᗗꗃⵞ𐒎߷ጩꬤ𖠺‡₩℻Ⅷ↹⋇⏳ⓖ╋▒◛⚧⑆שׁ🅕㊼龜ポ䷤🂡\n";
const size_t len = strlen(multiScript);
const char* androidFonts[] = {
"sans-serif",
"sans-serif-condensed",
"serif",
"monospace",
"serif-monospace",
"casual",
"cursive",
"sans-serif-smallcaps",
};
for (auto& font : androidFonts) {
ParagraphStyle paragraph_style;
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setLocale(SkString("en_US"));
text_style.setFontSize(20);
text_style.setFontFamilies({ SkString(font) });
builder.pushStyle(text_style);
builder.addText(multiScript, len);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
paragraph->paint(canvas.get(), 0, 0);
canvas.get()->translate(0, paragraph.get()->getHeight() + 10);
}
}
DEF_TEST(SkParagraph_Bidi1, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
TestCanvas canvas("SkParagraph_Bidi1.png");
std::u16string abc = u"\u202Dabc";
std::u16string DEF = u"\u202EDEF";
std::u16string ghi = u"\u202Dghi";
std::u16string JKL = u"\u202EJKL";
std::u16string mno = u"\u202Dmno";
std::u16string abcDEFghiJKLmno = u"\u202Dabc\u202EDEF\u202Dghi\u202EJKL\u202Dmno";
ParagraphStyle paragraph_style;
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({ SkString("sans-serif")});
text_style.setFontSize(40);
text_style.setColor(SK_ColorCYAN);
text_style.setFontStyle(SkFontStyle(SkFontStyle::kThin_Weight, SkFontStyle::kNormal_Width, SkFontStyle::kUpright_Slant));
builder.pushStyle(text_style);
builder.addText(abc);
text_style.setColor(SK_ColorGREEN);
text_style.setFontStyle(SkFontStyle(SkFontStyle::kLight_Weight, SkFontStyle::kNormal_Width, SkFontStyle::kUpright_Slant));
builder.pushStyle(text_style);
builder.addText(DEF);
text_style.setColor(SK_ColorYELLOW);
text_style.setFontStyle(SkFontStyle(SkFontStyle::kNormal_Weight, SkFontStyle::kNormal_Width, SkFontStyle::kUpright_Slant));
builder.pushStyle(text_style);
builder.addText(ghi);
text_style.setColor(SK_ColorMAGENTA);
text_style.setFontStyle(SkFontStyle(SkFontStyle::kMedium_Weight, SkFontStyle::kNormal_Width, SkFontStyle::kUpright_Slant));
builder.pushStyle(text_style);
builder.addText(JKL);
text_style.setColor(SK_ColorBLUE);
text_style.setFontStyle(SkFontStyle(SkFontStyle::kBlack_Weight, SkFontStyle::kNormal_Width, SkFontStyle::kUpright_Slant));
builder.pushStyle(text_style);
builder.addText(mno);
auto paragraph = builder.Build();
paragraph->layout(400);
paragraph->paint(canvas.get(), 0, 0);
}
DEF_TEST(SkParagraph_Bidi2, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
TestCanvas canvas("SkParagraph_Bidi2.png");
std::u16string abcD = u"\u202Dabc\u202ED";
std::u16string EFgh = u"EF\u202Dgh";
std::u16string iJKLmno = u"i\u202EJKL\u202Dmno";
std::u16string abcDEFghiJKLmno = u"\u202Dabc\u202EDEF\u202Dghi\u202EJKL\u202Dmno";
ParagraphStyle paragraph_style;
TextStyle text_style;
text_style.setFontFamilies({ SkString("sans-serif")});
text_style.setFontSize(40);
{
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
builder.pushStyle(text_style);
builder.addText(abcD);
builder.pushStyle(text_style);
builder.addText(EFgh);
builder.pushStyle(text_style);
builder.addText(iJKLmno);
auto paragraph = builder.Build();
paragraph->layout(360);
paragraph->paint(canvas.get(), 0, 0);
}
canvas.get()->translate(0, 400);
{
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
builder.pushStyle(text_style);
builder.addText(abcDEFghiJKLmno);
auto paragraph = builder.Build();
paragraph->layout(360);
paragraph->paint(canvas.get(), 0, 0);
}
}
DEF_TEST(SkParagraph_NewlineOnly, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
TestCanvas canvas("SkParagraph_Newline.png");
TextStyle text_style;
text_style.setFontFamilies({SkString("Ahem")});
text_style.setColor(SK_ColorBLACK);
StrutStyle strut_style;
strut_style.setStrutEnabled(false);
ParagraphStyle paragraph_style;
paragraph_style.setStrutStyle(strut_style);
paragraph_style.setTextStyle(text_style);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
builder.addText("\n");
auto paragraph = builder.Build();
paragraph->layout(1000);
REPORTER_ASSERT(reporter, paragraph->getHeight() == 28);
}
DEF_TEST_DISABLED(SkParagraph_FontResolutions, reporter) {
TestCanvas canvas("SkParagraph_FontResolutions.png");
sk_sp<TestFontCollection> fontCollection =
sk_make_sp<TestFontCollection>(GetResourcePath("fonts").c_str(), false);
if (!fontCollection->fontsFound()) return;
if (!fontCollection->addFontFromFile("abc/abc.ttf", "abc")) {
return;
}
if (!fontCollection->addFontFromFile("abc/abc+grave.ttf", "abc+grave")) {
return;
}
if (!fontCollection->addFontFromFile("abc/abc_agrave.ttf", "abc_agrave")) {
return;
}
TextStyle text_style;
text_style.setFontFamilies({SkString("abc")});
text_style.setFontSize(50);
ParagraphStyle paragraph_style;
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
text_style.setFontFamilies({SkString("abc"), SkString("abc+grave")});
text_style.setColor(SK_ColorBLUE);
builder.pushStyle(text_style);
builder.addText(u"a\u0300");
text_style.setColor(SK_ColorMAGENTA);
builder.pushStyle(text_style);
builder.addText(u"à");
text_style.setFontFamilies({SkString("abc"), SkString("abc_agrave")});
text_style.setColor(SK_ColorRED);
builder.pushStyle(text_style);
builder.addText(u"a\u0300");
text_style.setColor(SK_ColorGREEN);
builder.pushStyle(text_style);
builder.addText(u"à");
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->runs().size() == 2);
REPORTER_ASSERT(reporter, impl->runs().front().size() == 4);
REPORTER_ASSERT(reporter, impl->runs().front().glyphs()[0] == impl->runs().front().glyphs()[2]);
REPORTER_ASSERT(reporter, impl->runs().front().glyphs()[1] == impl->runs().front().glyphs()[3]);
REPORTER_ASSERT(reporter, impl->runs().back().size() == 2);
REPORTER_ASSERT(reporter, impl->runs().back().glyphs()[0] == impl->runs().back().glyphs()[1]);
paragraph->paint(canvas.get(), 100, 100);
}
DEF_TEST_DISABLED(SkParagraph_FontStyle, reporter) {
TestCanvas canvas("SkParagraph_FontStyle.png");
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>(GetResourcePath("fonts").c_str(), false, true);
if (!fontCollection->fontsFound()) return;
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorBLACK);
text_style.setFontSize(20);
SkFontStyle fs = SkFontStyle(
SkFontStyle::Weight::kLight_Weight,
SkFontStyle::Width::kNormal_Width,
SkFontStyle::Slant::kUpright_Slant
);
text_style.setFontStyle(fs);
ParagraphStyle paragraph_style;
paragraph_style.setTextStyle(text_style);
TextStyle boldItalic;
boldItalic.setFontFamilies({SkString("Roboto")});
boldItalic.setColor(SK_ColorRED);
SkFontStyle bi = SkFontStyle(
SkFontStyle::Weight::kBold_Weight,
SkFontStyle::Width::kNormal_Width,
SkFontStyle::Slant::kItalic_Slant
);
boldItalic.setFontStyle(bi);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
builder.addText("Default text\n");
builder.pushStyle(boldItalic);
builder.addText("Bold and Italic\n");
builder.pop();
builder.addText("back to normal");
auto paragraph = builder.Build();
paragraph->layout(250);
paragraph->paint(canvas.get(), 0, 0);
}
DEF_TEST_DISABLED(SkParagraph_Shaping, reporter) {
TestCanvas canvas("SkParagraph_Shaping.png");
auto dir = "/usr/local/google/home/jlavrova/Sources/flutter/engine/src/out/host_debug_unopt_x86/gen/flutter/third_party/txt/assets";
sk_sp<TestFontCollection> fontCollection =
sk_make_sp<TestFontCollection>(dir, /*GetResourcePath("fonts").c_str(), */ false);
if (!fontCollection->fontsFound()) return;
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setColor(SK_ColorGRAY);
text_style.setFontSize(14);
SkFontStyle b = SkFontStyle(
SkFontStyle::Weight::kNormal_Weight,
SkFontStyle::Width::kNormal_Width,
SkFontStyle::Slant::kUpright_Slant
);
text_style.setFontStyle(b);
ParagraphStyle paragraph_style;
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
builder.pushStyle(text_style);
builder.addText("Eat0 apple0 pies0 | Eat1 apple1 pies1 | Eat2 apple2 pies2");
auto paragraph = builder.Build();
paragraph->layout(380);
paragraph->paint(canvas.get(), 0, 0);
}
DEF_TEST(SkParagraph_Ellipsis, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
TestCanvas canvas("SkParagraph_Ellipsis.png");
const char* text = "This\n"
"is a wrapping test. It should wrap at manual newlines, and if softWrap is true, also at spaces.";
TextStyle text_style;
text_style.setFontFamilies({SkString("Ahem")});
text_style.setColor(SK_ColorBLACK);
text_style.setFontSize(10);
auto relayout = [&](size_t lines, bool ellipsis,
SkScalar width, SkScalar height, SkScalar minWidth, SkScalar maxWidth, SkColor bg) {
ParagraphStyle paragraph_style;
SkPaint paint;
paint.setColor(bg);
text_style.setForegroundColor(paint);
paragraph_style.setTextStyle(text_style);
paragraph_style.setMaxLines(lines);
if (ellipsis) {
paragraph_style.setEllipsis(u"\u2026");
}
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
builder.addText(text);
auto paragraph = builder.Build();
paragraph->layout(50);
paragraph->paint(canvas.get(), 0, 0);
canvas.get()->translate(50, paragraph->getHeight() + 10);
auto result = paragraph->getRectsForRange(0, strlen(text), RectHeightStyle::kTight, RectWidthStyle::kTight);
SkPaint background;
background.setColor(SK_ColorRED);
background.setStyle(SkPaint::kStroke_Style);
background.setAntiAlias(true);
background.setStrokeWidth(1);
canvas.get()->drawRect(result.front().rect, background);
SkASSERT(width == paragraph->getMaxWidth());
SkASSERT(height == paragraph->getHeight());
SkASSERT(minWidth == paragraph->getMinIntrinsicWidth());
SkASSERT(maxWidth == paragraph->getMaxIntrinsicWidth());
};
SkPaint paint;
paint.setColor(SK_ColorLTGRAY);
canvas.get()->drawRect(SkRect::MakeXYWH(0, 0, 50, 500), paint);
relayout(1, false, 50, 10, 950, 950, SK_ColorRED);
relayout(3, false, 50, 30, 90, 950, SK_ColorBLUE);
relayout(std::numeric_limits<size_t>::max(), false, 50, 200, 90, 950, SK_ColorGREEN);
relayout(1, true, 50, 10, 950, 950, SK_ColorYELLOW);
relayout(3, true, 50, 30, 90, 950, SK_ColorMAGENTA);
relayout(std::numeric_limits<size_t>::max(), true, 50, 20, 950, 950, SK_ColorCYAN);
relayout(1, false, 50, 10, 950, 950, SK_ColorRED);
relayout(3, false, 50, 30, 90, 950, SK_ColorBLUE);
relayout(std::numeric_limits<size_t>::max(), false, 50, 200, 90, 950, SK_ColorGREEN);
}
DEF_TEST(SkParagraph_MemoryLeak, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
std::string text;
for (size_t i = 0; i < 10; i++)
{
SkPaint paint;
paint.setAntiAlias(true);
paint.setColor(SK_ColorBLACK);
TextStyle textStyle;
textStyle.setForegroundColor(paint);
textStyle.setFontFamilies({ SkString("Roboto") });
ParagraphStyle paragraphStyle;
paragraphStyle.setTextStyle(textStyle);
ParagraphBuilderImpl builder(paragraphStyle, fontCollection);
text += "Text ";
builder.addText(text.c_str());
auto paragraph = builder.Build();
paragraph->layout(100);
//used to add a delay so I can monitor memory usage
//std::this_thread::sleep_for(std::chrono::milliseconds(1000));
}
};
DEF_TEST(SkParagraph_FormattingInfinity, reporter) {
sk_sp<ResourceFontCollection> fontCollection = sk_make_sp<ResourceFontCollection>();
if (!fontCollection->fontsFound()) return;
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
TestCanvas canvas("SkParagraph_FormattingInfinity.png");
const char* text = "Some text\nAnother line";
SkPaint paint;
paint.setAntiAlias(true);
paint.setColor(SK_ColorBLACK);
TextStyle textStyle;
textStyle.setForegroundColor(paint);
textStyle.setFontFamilies({ SkString("Roboto") });
ParagraphStyle paragraphStyle;
paragraphStyle.setTextStyle(textStyle);
auto draw = [&](const char* prefix, TextAlign textAlign) {
paragraphStyle.setTextAlign(textAlign);
ParagraphBuilderImpl builder(paragraphStyle, fontCollection);
builder.addText(text);
auto paragraph = builder.Build();
paragraph->layout(SK_ScalarInfinity);
paragraph->paint(canvas.get(), 0, 0);
canvas.get()->translate(0, 100);
};
draw("left", TextAlign::kLeft);
draw("right", TextAlign::kRight);
draw("center", TextAlign::kCenter);
draw("justify", TextAlign::kJustify);
};
DEF_TEST(SkParagraph_Infinity, reporter) {
SkASSERT(nearlyEqual(1, SK_ScalarInfinity) == false);
SkASSERT(nearlyEqual(1, SK_ScalarNegativeInfinity) == false);
SkASSERT(nearlyEqual(1, SK_ScalarNaN) == false);
SkASSERT(nearlyEqual(SK_ScalarInfinity, SK_ScalarInfinity) == true);
SkASSERT(nearlyEqual(SK_ScalarInfinity, SK_ScalarNegativeInfinity) == false);
SkASSERT(nearlyEqual(SK_ScalarInfinity, SK_ScalarNaN) == false);
SkASSERT(nearlyEqual(SK_ScalarNegativeInfinity, SK_ScalarInfinity) == false);
SkASSERT(nearlyEqual(SK_ScalarNegativeInfinity, SK_ScalarNegativeInfinity) == true);
SkASSERT(nearlyEqual(SK_ScalarNegativeInfinity, SK_ScalarNaN) == false);
SkASSERT(nearlyEqual(SK_ScalarNaN, SK_ScalarInfinity) == false);
SkASSERT(nearlyEqual(SK_ScalarNaN, SK_ScalarNegativeInfinity) == false);
SkASSERT(nearlyEqual(SK_ScalarNaN, SK_ScalarNaN) == false);
};
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