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skia2/tests/SkParagraphTest.cpp
Julia Lavrova 6e6333fba4 Refactor font resolution out of font iterator; 
few minor bug fixes

Change-Id: Ibc60e972480f3503965af873f36001ed233382ec
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/221544
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Julia Lavrova <jlavrova@google.com>
2019-06-18 19:23:33 +00:00

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// Copyright 2019 Google LLC.
#include <sstream>
#include "modules/skparagraph/include/TypefaceFontProvider.h"
#include "modules/skparagraph/src/ParagraphBuilderImpl.h"
#include "modules/skparagraph/src/ParagraphImpl.h"
#include "src/core/SkOSFile.h"
#include "src/utils/SkShaperJSONWriter.h"
#include "tests/Test.h"
#include "tools/Resources.h"
#define VeryLongCanvasWidth 1000000
#define TestCanvasWidth 1000
#define TestCanvasHeight 600
using namespace skia::textlayout;
namespace {
bool equal(SkSpan<const char> a, const char* b) {
return std::strncmp(b, a.data(), a.size()) == 0;
}
class TestFontCollection : public FontCollection {
public:
TestFontCollection()
: fFontsFound(false)
, fResolvedFonts(0)
, fResourceDir(GetResourcePath("fonts").c_str())
, fFontProvider(sk_make_sp<TypefaceFontProvider>()) {
std::vector<SkString> fonts;
SkOSFile::Iter iter(fResourceDir.c_str());
SkString path;
while (iter.next(&path)) {
if (path.endsWith("Roboto-Italic.ttf")) {
fFontsFound = true;
}
fonts.emplace_back(path);
}
if (!fFontsFound) {
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()));
}
this->setTestFontManager(std::move(fFontProvider));
this->disableFontFallback();
if (!fFontsFound) SkDebugf("Fonts not found, skipping all the tests\n");
}
~TestFontCollection() = 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;
};
} // namespace
DEF_TEST(SkParagraph_SimpleParagraph, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text = "Hello World Text Dialog";
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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
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].style().equals(text_style));
// Some of the formatting lazily done on paint
impl->formatLines(TestCanvasWidth - 100);
size_t index = 0;
for (auto& line : impl->lines()) {
line.scanStyles(StyleType::kDecorations,
[&index, reporter](SkSpan<const char> text, TextStyle style, SkScalar) {
REPORTER_ASSERT(reporter, index == 0);
REPORTER_ASSERT(reporter, style.getColor() == SK_ColorBLACK);
++index;
return true;
});
}
}
DEF_TEST(SkParagraph_SimpleRedParagraph, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text = "I am RED";
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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
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].style().equals(text_style));
// Some of the formatting lazily done on paint
impl->formatLines(TestCanvasWidth - 100);
size_t index = 0;
for (auto& line : impl->lines()) {
line.scanStyles(StyleType::kDecorations,
[&index, reporter](SkSpan<const char> text, TextStyle style, SkScalar) {
REPORTER_ASSERT(reporter, index == 0);
REPORTER_ASSERT(reporter, style.getColor() == SK_ColorRED);
++index;
return true;
});
}
}
DEF_TEST(SkParagraph_RainbowParagraph, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text1 = "Red Roboto";
const char* text2 = "big Greeen Default";
const char* text3 = "Defcolor Homemade Apple";
const char* text4 = "Small Blue Roboto";
const char* text5 =
"Continue Last Style With lots of words to check if it overlaps "
"properly or not";
const char* text45 =
"Small Blue 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(1);
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);
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);
TextStyle text_style3;
text_style3.setFontFamilies({SkString("Homemade Apple")});
builder.pushStyle(text_style3);
builder.addText(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);
builder.addText(text5);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(VeryLongCanvasWidth);
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() == 1);
// Some of the formatting lazily done on paint
impl->formatLines(VeryLongCanvasWidth);
size_t index = 0;
impl->lines()[0].scanStyles(StyleType::kAllAttributes,
[&](SkSpan<const char> text, TextStyle style, SkScalar) {
switch (index) {
case 0:
REPORTER_ASSERT(reporter, style.equals(text_style1));
REPORTER_ASSERT(reporter, equal(text, text1));
break;
case 1:
REPORTER_ASSERT(reporter, style.equals(text_style2));
REPORTER_ASSERT(reporter, equal(text, text2));
break;
case 2:
REPORTER_ASSERT(reporter, style.equals(text_style3));
REPORTER_ASSERT(reporter, equal(text, text3));
break;
case 3:
REPORTER_ASSERT(reporter, style.equals(text_style4));
REPORTER_ASSERT(reporter, equal(text, text45));
break;
default:
REPORTER_ASSERT(reporter, false);
break;
}
++index;
return true;
});
REPORTER_ASSERT(reporter, index == 4);
}
DEF_TEST(SkParagraph_DefaultStyleParagraph, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text = "No TextStyle! Uh Oh!";
ParagraphStyle paragraph_style;
TextStyle defaultStyle;
defaultStyle.setFontFamilies({SkString("Roboto")});
paragraph_style.setTextStyle(defaultStyle);
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
builder.addText(text);
auto paragraph = builder.Build();
paragraph->layout(VeryLongCanvasWidth);
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);
impl->formatLines(VeryLongCanvasWidth);
size_t index = 0;
impl->lines()[0].scanStyles(
StyleType::kAllAttributes, [&](SkSpan<const char> text1, TextStyle style, SkScalar) {
REPORTER_ASSERT(reporter, style.equals(paragraph_style.getTextStyle()));
REPORTER_ASSERT(reporter, equal(text1, text));
++index;
return true;
});
REPORTER_ASSERT(reporter, index == 1);
}
DEF_TEST(SkParagraph_BoldParagraph, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text = "This is Red max bold 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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(VeryLongCanvasWidth);
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);
impl->formatLines(VeryLongCanvasWidth);
size_t index = 0;
impl->lines()[0].scanStyles(StyleType::kAllAttributes,
[&](SkSpan<const char> text1, TextStyle style, SkScalar) {
REPORTER_ASSERT(reporter, style.equals(text_style));
REPORTER_ASSERT(reporter, equal(text1, text));
++index;
return true;
});
REPORTER_ASSERT(reporter, index == 1);
}
DEF_TEST(SkParagraph_LeftAlignParagraph, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
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.";
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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
// Some of the formatting lazily done on paint
impl->formatLines(TestCanvasWidth - 100);
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].style().equals(text_style));
REPORTER_ASSERT(reporter, impl->lines().size() == paragraph_style.getMaxLines());
// Apparently, Minikin records start from the base line (24)
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<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
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.";
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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
// Some of the formatting lazily done on paint
impl->formatLines(TestCanvasWidth - 100);
REPORTER_ASSERT(reporter, impl->runs().size() == 1);
REPORTER_ASSERT(reporter, impl->styles().size() == 1);
REPORTER_ASSERT(reporter, impl->styles()[0].style().equals(text_style));
// Minikin has two records for each due to 'ghost' trailing whitespace run, SkParagraph - 1
REPORTER_ASSERT(reporter, impl->lines().size() == paragraph_style.getMaxLines());
// Apparently, Minikin records start from the base line (24)
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<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
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.";
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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
// Some of the formatting lazily done on paint
impl->formatLines(TestCanvasWidth - 100);
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].style().equals(text_style));
// Minikin has two records for each due to 'ghost' trailing whitespace run, SkParagraph - 1
REPORTER_ASSERT(reporter, impl->lines().size() == paragraph_style.getMaxLines());
// Apparently, Minikin records start from the base line (24)
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<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
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.";
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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
impl->formatLines(TestCanvasWidth - 100);
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].style().equals(text_style));
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 * 9;
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(impl->lines()[12].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, calculate(impl->lines()[12]) > 0);
REPORTER_ASSERT(reporter,
paragraph_style.getTextAlign() == impl->paragraphStyle().getTextAlign());
}
DEF_TEST(SkParagraph_JustifyRTL, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
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";
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("Ahem")});
text_style.setFontSize(26);
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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
impl->formatLines(TestCanvasWidth - 100);
auto calculate = [](const TextLine& line) -> SkScalar {
return TestCanvasWidth - 100 - (line.offset().fX + line.width());
};
SkScalar epsilon = 0.1f;
for (auto& line : impl->lines()) {
if (&line == impl->lines().end() - 1) {
REPORTER_ASSERT(reporter, calculate(line) > epsilon);
} else {
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(calculate(line), 0, epsilon));
}
}
// Just make sure the the text is actually RTL
for (auto& run : impl->runs()) {
REPORTER_ASSERT(reporter, !run.leftToRight());
}
}
DEF_TEST(SkParagraph_DecorationsParagraph, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
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("This text should be");
text_style.setDecorationStyle(TextDecorationStyle::kDouble);
text_style.setDecorationColor(SK_ColorBLUE);
text_style.setDecorationThicknessMultiplier(1.0);
builder.pushStyle(text_style);
builder.addText(" decorated even when");
text_style.setDecorationStyle(TextDecorationStyle::kDotted);
text_style.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(" wrapped around to");
text_style.setDecorationStyle(TextDecorationStyle::kDashed);
text_style.setDecorationColor(SK_ColorBLACK);
text_style.setDecorationThicknessMultiplier(3.0);
builder.pushStyle(text_style);
builder.addText(" the next line.");
text_style.setDecorationStyle(TextDecorationStyle::kWavy);
text_style.setDecorationColor(SK_ColorRED);
text_style.setDecorationThicknessMultiplier(1.0);
builder.pushStyle(text_style);
builder.addText(" Otherwise, bad things happen.");
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
impl->formatLines(TestCanvasWidth - 100);
size_t index = 0;
for (auto& line : impl->lines()) {
line.scanStyles(
StyleType::kDecorations,
[&index, reporter](SkSpan<const char> text, TextStyle style, SkScalar) {
auto decoration = (TextDecoration)(TextDecoration::kUnderline |
TextDecoration::kOverline |
TextDecoration::kLineThrough);
REPORTER_ASSERT(reporter, style.getDecoration() == 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_ItalicsParagraph, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
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("No italic ");
text_style.setFontStyle(SkFontStyle(SkFontStyle::kNormal_Weight, SkFontStyle::kNormal_Width,
SkFontStyle::kItalic_Slant));
builder.pushStyle(text_style);
builder.addText("Yes Italic ");
builder.pop();
builder.addText("No Italic again.");
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
// Some of the formatting lazily done on paint
impl->formatLines(TestCanvasWidth - 100);
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,
[&index, reporter](SkSpan<const char> text, TextStyle style, SkScalar) {
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<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
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。";
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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
impl->formatLines(TestCanvasWidth - 100);
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].style().equals(text_style));
}
DEF_TEST(SkParagraph_ArabicParagraph, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text =
"من أسر وإعلان الخاصّة وهولندا،, عل قائمة الضغوط بالمطالبة تلك. الصفحة "
"بمباركة التقليدية قام عن. تصفح";
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);
// TODO: turn off some font features for letter spacing (waiting on SkShaper)
// 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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
impl->formatLines(TestCanvasWidth - 100);
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].style().equals(text_style));
}
DEF_TEST(SkParagraph_GetGlyphPositionAtCoordinateParagraph, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text =
"12345 67890 12345 67890 12345 67890 12345 67890 12345 67890 12345 "
"67890 12345";
ParagraphStyle paragraphStyle;
paragraphStyle.setTextAlign(TextAlign::kLeft);
paragraphStyle.setMaxLines(10);
paragraphStyle.turnHintingOff();
TextStyle textStyle;
textStyle.setFontFamilies({SkString("Roboto")});
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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
// 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 == 10); // !!! 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 == 0); // !!! 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<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text =
"12345, \"67890\" 12345 67890 12345 67890 12345 67890 12345 67890 12345 "
"67890 12345";
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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
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);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0.40625f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 28.417f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, epsilon));
}
{
auto result = paragraph->getRectsForRange(2, 8, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 56.835f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0.40625f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 177.97f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, epsilon));
}
{
auto result = paragraph->getRectsForRange(8, 21, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 177.97f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0.40625f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 507.031f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, epsilon));
}
{
auto result = paragraph->getRectsForRange(30, 100, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.size() == 4);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 211.375f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 59.40625f, epsilon));
// This number does not match: 463.617 & 451.171
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 451.171f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 118, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[3].rect.left(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[3].rect.top(), 236.406f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[3].rect.right(), 142.089f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[3].rect.bottom(), 295, epsilon));
}
{
auto result = paragraph->getRectsForRange(19, 22, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 450.1875f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0.40625f, epsilon));
// This number does not match 519.472 & 507.031
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 507.031f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, epsilon));
}
{
auto result = paragraph->getRectsForRange(21, 21, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.empty());
}
}
DEF_TEST(SkParagraph_GetRectsForRangeTight, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* 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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
RectHeightStyle heightStyle = RectHeightStyle::kTight;
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);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 16.898f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 74, epsilon));
}
{
auto result = paragraph->getRectsForRange(2, 8, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 66.899f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 264.099f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 74, epsilon));
}
{
auto result = paragraph->getRectsForRange(8, 21, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.size() == 2);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 264.099f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 528.199f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.left(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.right(), 172.199f, epsilon));
}
}
DEF_TEST(SkParagraph_GetRectsForRangeIncludeLineSpacingMiddle, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* 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.setHeight(1.3f);
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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
RectHeightStyle heightStyle = RectHeightStyle::kIncludeLineSpacingMiddle;
RectWidthStyle widthStyle = RectWidthStyle::kTight;
SkScalar epsilon = 0.01f;
// 16 glyphs per line 160/16 = 10 lines
{
auto result = paragraph->getRectsForRange(0, 0, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.empty());
}
{
auto result = paragraph->getRectsForRange(0, 1, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 8.60f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 16.90f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 93.60f, epsilon));
}
{
auto result = paragraph->getRectsForRange(2, 8, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 66.90f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 8.60f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 264.10f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 93.60f, epsilon));
}
{
auto result = paragraph->getRectsForRange(8, 21, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.size() == 2);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 264.10f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 8.60f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 528.20f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 93.60f, epsilon));
}
{
auto result = paragraph->getRectsForRange(30, 150, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.size() == 9);
SkScalar offsetY = 104.60f;
for (auto& box : result) {
if (&box != &result.back()) {
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(box.rect.right(), 528.20f, epsilon));
}
if (&box != &result.front()) {
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(box.rect.left(), 0, epsilon));
}
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(box.rect.top(), offsetY, epsilon));
offsetY = box.rect.bottom() + 11;
}
}
{
auto result = paragraph->getRectsForRange(19, 22, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 97.20f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 104.60f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 197.20f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 189.60f, epsilon));
}
{
auto result = paragraph->getRectsForRange(21, 21, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.empty());
}
}
DEF_TEST(SkParagraph_GetRectsForRangeIncludeLineSpacingTop, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* 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.setWordSpacing(0);
textStyle.setLetterSpacing(0);
textStyle.setHeight(1.3f);
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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
RectHeightStyle heightStyle = RectHeightStyle::kIncludeLineSpacingTop;
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);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 16.898f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 91.199f, epsilon));
}
{
auto result = paragraph->getRectsForRange(2, 8, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 66.899f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 264.099f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 91.199f, epsilon));
}
{
auto result = paragraph->getRectsForRange(8, 21, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.size() == 2);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 264.099f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 528.199f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 91.199f, epsilon));
}
{
auto result = paragraph->getRectsForRange(30, 150, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.size() == 9);
SkScalar level = 96;
for (auto& box : result) {
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(box.rect.top(), level, epsilon));
level += 96;
if (&box != &result.back()) {
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(box.rect.right(), 528.199f, epsilon));
}
if (&box != &result.front()) {
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(box.rect.left(), 0, epsilon));
}
}
}
{
auto result = paragraph->getRectsForRange(19, 22, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 97.199f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 96, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 197.199f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 187.199f, epsilon));
}
{
auto result = paragraph->getRectsForRange(21, 21, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.empty());
}
}
DEF_TEST(SkParagraph_GetRectsForRangeIncludeLineSpacingBottom, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* 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.setWordSpacing(0);
textStyle.setLetterSpacing(0);
textStyle.setHeight(1.3f);
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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
RectHeightStyle heightStyle = RectHeightStyle::kIncludeLineSpacingBottom;
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);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 17.199f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 16.898f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 96, epsilon));
}
{
auto result = paragraph->getRectsForRange(2, 8, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 66.899f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 17.199f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 264.099f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 96, epsilon));
}
{
auto result = paragraph->getRectsForRange(8, 21, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.size() == 2);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 264.099f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 528.199f, epsilon));
// It seems that Minikin does not take in account like breaks, but we do.
// SkParagraph returns 528.199 instead
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.left(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[1].rect.right(), 172.199f, epsilon));
}
{
auto result = paragraph->getRectsForRange(30, 150, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.size() == 9);
SkScalar level = 17.199f + 96;
for (auto& box : result) {
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(box.rect.top(), level, epsilon));
level += 96;
if (&box != &result.back()) {
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(box.rect.right(), 528.199f, epsilon));
}
if (&box != &result.front()) {
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(box.rect.left(), 0, epsilon));
}
}
}
{
auto result = paragraph->getRectsForRange(19, 22, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.left(), 97.199f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.top(), 113.199f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 197.199f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 192, epsilon));
}
{
auto result = paragraph->getRectsForRange(21, 21, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.empty());
}
}
DEF_TEST(SkParagraph_GetRectsForRangeIncludeCombiningCharacter, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text = "ดีสวัสดีชาวโลกที่น่ารัก";
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.setLetterSpacing(1);
textStyle.setWordSpacing(5);
textStyle.setHeight(1);
textStyle.setColor(SK_ColorBLACK);
builder.pushStyle(textStyle);
builder.addText(text);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
impl->formatLines(TestCanvasWidth - 100);
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() == 1 && second.size() == 1 && last.size() == 1);
REPORTER_ASSERT(reporter,
last[0].rect.fLeft = SkTMin(first[0].rect.fLeft, second[0].rect.fLeft));
REPORTER_ASSERT(reporter,
last[0].rect.fRight = SkTMax(first[0].rect.fRight, second[0].rect.fRight));
}
{
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() == 1 && second.size() == 1 && last.size() == 1);
REPORTER_ASSERT(reporter,
last[0].rect.fLeft = SkTMin(first[0].rect.fLeft, second[0].rect.fLeft));
REPORTER_ASSERT(reporter,
last[0].rect.fRight = SkTMax(first[0].rect.fRight, second[0].rect.fRight));
}
{
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() == 1 && second.size() == 1 && third.size() == 1 &&
last.size() == 1);
REPORTER_ASSERT(reporter,
last[0].rect.fLeft = SkTMin(first[0].rect.fLeft, third[0].rect.fLeft));
REPORTER_ASSERT(reporter,
last[0].rect.fRight = SkTMax(first[0].rect.fRight, third[0].rect.fRight));
}
}
DEF_TEST(SkParagraph_GetRectsForRangeCenterParagraph, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
// 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 "; //"01234 　 "; // includes ideographic space and english space.
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.setLetterSpacing(0);
textStyle.setWordSpacing(0);
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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
// Some of the formatting lazily done on paint
impl->formatLines(550);
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);
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);
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, 5, heightStyle, widthStyle);
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(), 346.044f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, epsilon));
}
{
auto result = paragraph->getRectsForRange(4, 6, heightStyle, widthStyle);
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(), 346.044f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, epsilon));
}
{
auto result = paragraph->getRectsForRange(5, 6, heightStyle, widthStyle);
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(), 346.044f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, epsilon));
}
{
auto result = paragraph->getRectsForRange(21, 21, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.empty());
}
}
DEF_TEST(SkParagraph_GetRectsForRangeCenterParagraphNewlineCentered, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text = "01234\n";
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.setLetterSpacing(0);
textStyle.setWordSpacing(0);
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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
// Some of the formatting lazily done on paint
impl->formatLines(550);
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);
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));
}
{
// Minikin has [6:7] not empty but I cannot imagine how and why
auto result = paragraph->getRectsForRange(5, 6, heightStyle, widthStyle);
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(), 0.406f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.right(), 346.044f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, epsilon));
}
}
DEF_TEST(SkParagraph_GetRectsForRangeCenterMultiLineParagraph, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text = "01234 \n0123 ";
// "01234 　 \n0123　 "; // includes ideographic space and english space.
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.setLetterSpacing(0);
textStyle.setWordSpacing(0);
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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
// Some of the formatting lazily done on paint
impl->formatLines(550);
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);
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);
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, 5, heightStyle, widthStyle);
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(), 346.044f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, epsilon));
}
{
auto result = paragraph->getRectsForRange(4, 6, heightStyle, widthStyle);
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(), 346.044f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, epsilon));
}
{
auto result = paragraph->getRectsForRange(5, 6, heightStyle, widthStyle);
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(), 346.044f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 59, epsilon));
}
{
auto result = paragraph->getRectsForRange(10, 12, heightStyle, widthStyle);
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));
}
{
// Minikin counts all spaces but they really don't appear on the screen
// and the text even centered without them
auto result = paragraph->getRectsForRange(14, 18, heightStyle, widthStyle);
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(), 331.835f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(result[0].rect.bottom(), 118, epsilon));
}
{
auto result = paragraph->getRectsForRange(21, 21, heightStyle, widthStyle);
REPORTER_ASSERT(reporter, result.empty());
}
}
DEF_TEST(SkParagraph_GetWordBoundaries, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
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.setColor(SK_ColorBLACK);
textStyle.setFontStyle(SkFontStyle(SkFontStyle::kMedium_Weight, SkFontStyle::kNormal_Width,
SkFontStyle::kUpright_Slant));
ParagraphBuilderImpl builder(paragraphStyle, fontCollection);
builder.pushStyle(textStyle);
builder.addText(
"12345 67890 12345 67890 12345 67890 12345 67890 12345 67890 12345 67890 12345");
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
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));
REPORTER_ASSERT(reporter, paragraph->getWordBoundary(5) == SkRange<size_t>(5, 7));
REPORTER_ASSERT(reporter, paragraph->getWordBoundary(6) == SkRange<size_t>(5, 7));
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));
auto len = static_cast<ParagraphImpl*>(paragraph.get())->text().size();
REPORTER_ASSERT(reporter, paragraph->getWordBoundary(len - 1) == SkRange<size_t>(len - 5, len));
}
DEF_TEST(SkParagraph_SpacingParagraph, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
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);
text_style.setHeight(1);
builder.pushStyle(text_style);
builder.addText("H");
builder.pop();
text_style.setLetterSpacing(10);
builder.pushStyle(text_style);
builder.addText("H");
builder.pop();
text_style.setLetterSpacing(20);
builder.pushStyle(text_style);
builder.addText("H");
builder.pop();
text_style.setLetterSpacing(0);
builder.pushStyle(text_style);
builder.addText("|");
builder.pop();
text_style.setLetterSpacing(0);
text_style.setWordSpacing(20);
builder.pushStyle(text_style);
builder.addText("H ");
builder.pop();
text_style.setLetterSpacing(0);
text_style.setWordSpacing(0);
builder.pushStyle(text_style);
builder.addText("H ");
builder.pop();
text_style.setLetterSpacing(0);
text_style.setWordSpacing(20);
builder.pushStyle(text_style);
builder.addText("H ");
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
REPORTER_ASSERT(reporter, impl->lines().size() == 1);
size_t index = 0;
impl->lines().begin()->scanStyles(StyleType::kLetterSpacing,
[&index](SkSpan<const char> text, TextStyle style, SkScalar) {
++index;
return true;
});
REPORTER_ASSERT(reporter, index == 4);
index = 0;
impl->lines().begin()->scanStyles(StyleType::kWordSpacing,
[&index](SkSpan<const char> text, TextStyle style, SkScalar) {
++index;
return true;
});
REPORTER_ASSERT(reporter, index == 4);
}
DEF_TEST(SkParagraph_LongWordParagraph, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text =
"A "
"veryverylongwordtoseewherethiswillwraporifitwillatallandifitdoesthenthat"
"wouldbeagoodthingbecausethebreakingisworking.";
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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth / 2);
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].style().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);
}
DEF_TEST(SkParagraph_KernScaleParagraph, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
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.setWordSpacing(0);
text_style.setLetterSpacing(0);
text_style.setHeight(1);
text_style.setColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText("AV00\nVA00\nA0V0");
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth / scale);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
// Some of the formatting lazily done on paint
impl->formatLines(TestCanvasWidth);
// First and second lines must have the same width, the third one must be bigger
SkScalar epsilon = 0.01f;
REPORTER_ASSERT(reporter, impl->lines().size() == 3);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->lines()[0].width(), 80.58f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->lines()[1].width(), 80.58f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->lines()[2].width(), 83.25f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->lines()[0].height(), 39.00f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->lines()[1].height(), 39.00f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->lines()[2].height(), 39.00f, epsilon));
}
DEF_TEST(SkParagraph_NewlineParagraph, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text =
"line1\nline2 test1 test2 test3 test4 test5 test6 test7\nline3\n\nline4 "
"test1 test2 test3 test4";
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.setWordSpacing(0);
text_style.setColor(SK_ColorBLACK);
text_style.setHeight(1);
builder.pushStyle(text_style);
builder.addText(text);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 300);
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 == 350);
REPORTER_ASSERT(reporter, impl->lines()[6].offset().fY == 420);
SkScalar epsilon = 0.1f;
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->lines()[0].width(), 130.31f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->lines()[1].width(), 586.64f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->lines()[2].width(), 593.49f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->lines()[3].width(), 130.31f, epsilon));
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(impl->lines()[4].width(), 0, epsilon)); // Empty line
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->lines()[5].width(), 586.64f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->lines()[6].width(), 137.16f, epsilon));
REPORTER_ASSERT(reporter, impl->lines()[0].shift() == 0);
}
DEF_TEST(SkParagraph_EmojiParagraph, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* 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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
// Some of the formatting lazily done on paint
impl->formatLines(TestCanvasWidth);
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);
}
}
DEF_TEST(SkParagraph_RepeatLayoutParagraph, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
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";
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.setLetterSpacing(0);
text_style.setWordSpacing(0);
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);
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);
REPORTER_ASSERT(reporter, impl->runs().size() == 1);
REPORTER_ASSERT(reporter, impl->styles().size() == 1);
REPORTER_ASSERT(reporter, impl->lines().size() == 6);
}
DEF_TEST(SkParagraph_Ellipsize, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
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. ";
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.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
// Some of the formatting lazily done on paint
impl->formatLines(TestCanvasWidth);
// 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);
size_t index = 0;
line.scanRuns([&index, &line, reporter](Run* run, int32_t, size_t, SkRect, SkScalar, bool) {
++index;
if (index == 2) {
REPORTER_ASSERT(reporter, run->text() == line.ellipsis()->text());
}
return true;
});
REPORTER_ASSERT(reporter, index == 2);
}
DEF_TEST(SkParagraph_UnderlineShiftParagraph, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
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);
text_style.setDecoration(TextDecoration::kUnderline);
text_style.setDecorationColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text2);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
ParagraphBuilderImpl builder1(paragraph_style, fontCollection);
text_style.setDecoration(TextDecoration::kNoDecoration);
builder1.pushStyle(text_style);
builder1.addText(text3);
builder1.pop();
auto paragraph1 = builder1.Build();
paragraph1->layout(TestCanvasWidth);
auto impl1 = static_cast<ParagraphImpl*>(paragraph1.get());
REPORTER_ASSERT(reporter, impl->lines().size() == 1);
REPORTER_ASSERT(reporter, impl1->lines().size() == 1);
{
auto& line = impl->lines()[0];
size_t index = 0;
line.scanStyles(
StyleType::kDecorations,
[&index, reporter](SkSpan<const char> text, TextStyle style, SkScalar) {
switch (index) {
case 0:
REPORTER_ASSERT(reporter,
style.getDecoration() == TextDecoration::kNoDecoration);
break;
case 1:
REPORTER_ASSERT(reporter,
style.getDecoration() == TextDecoration::kUnderline);
break;
default:
REPORTER_ASSERT(reporter, false);
break;
}
++index;
return true;
});
REPORTER_ASSERT(reporter, index == 2);
}
{
auto& line = impl1->lines()[0];
size_t index = 0;
line.scanStyles(StyleType::kDecorations,
[&index, reporter](SkSpan<const char> text, TextStyle style, SkScalar) {
if (index == 0) {
REPORTER_ASSERT(reporter, style.getDecoration() ==
TextDecoration::kNoDecoration);
} else {
REPORTER_ASSERT(reporter, false);
}
++index;
return true;
});
REPORTER_ASSERT(reporter, index == 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) {
auto r =
paragraph->getRectsForRange(i, i + 1, RectHeightStyle::kMax, RectWidthStyle::kTight)
.front()
.rect;
auto r1 =
paragraph1
->getRectsForRange(i, i + 1, RectHeightStyle::kMax, RectWidthStyle::kTight)
.front()
.rect;
REPORTER_ASSERT(reporter, r.fLeft == r1.fLeft);
REPORTER_ASSERT(reporter, r.fRight == r1.fRight);
}
}
DEF_TEST(SkParagraph_SimpleShadow, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text = "Hello World Text Dialog";
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);
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
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,
[&index, text_style, reporter](SkSpan<const char> text, TextStyle style, SkScalar) {
REPORTER_ASSERT(reporter, index == 0 && style.equals(text_style));
++index;
return true;
});
}
}
DEF_TEST(SkParagraph_ComplexShadow, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text = "Text Chunk ";
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);
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);
builder.pop();
builder.addText(text);
text_style.addShadow(TextShadow(SK_ColorRED, SkPoint::Make(0.0f, 1.0f), 0.0f));
builder.pushStyle(text_style);
builder.addText(text);
builder.pop();
builder.addText(text);
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
size_t index = 0;
for (auto& line : impl->lines()) {
line.scanStyles(
StyleType::kShadow,
[&index, text_style, reporter](SkSpan<const char> text, TextStyle style, SkScalar) {
++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;
});
}
}
DEF_TEST(SkParagraph_BaselineParagraph, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
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";
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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth - 100);
SkScalar epsilon = 0.01f;
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(paragraph->getIdeographicBaseline(), 79.035f, epsilon));
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(paragraph->getAlphabeticBaseline(), 63.305f, epsilon));
}
DEF_TEST(SkParagraph_FontFallbackParagraph, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text1 = "Roboto 字典 ";
const char* text2 = "Homemade Apple 字典";
const char* text3 = "Chinese 字典";
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);
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);
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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
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() == 6);
SkScalar epsilon = 0.01f;
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->runs()[0].advance().fX, 48.46f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->runs()[1].advance().fX, 15.90f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->runs()[2].advance().fX, 139.12f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->runs()[3].advance().fX, 27.99f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->runs()[4].advance().fX, 62.24f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(impl->runs()[5].advance().fX, 27.99f, epsilon));
// When a different font is resolved, then the metrics are different.
REPORTER_ASSERT(reporter, impl->runs()[1].ascent() != impl->runs()[3].ascent());
REPORTER_ASSERT(reporter, impl->runs()[1].descent() != impl->runs()[3].descent());
REPORTER_ASSERT(reporter, impl->runs()[3].ascent() != impl->runs()[5].ascent());
REPORTER_ASSERT(reporter, impl->runs()[3].descent() != impl->runs()[5].descent());
REPORTER_ASSERT(reporter, impl->runs()[1].ascent() != impl->runs()[5].ascent());
REPORTER_ASSERT(reporter, impl->runs()[1].descent() != impl->runs()[5].descent());
}
DEF_TEST(SkParagraph_StrutParagraph1, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
// 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 char* text = "01234満毎冠行来昼本可\nabcd\n満毎冠行来昼本可";
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.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.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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
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);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 34.5f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 50, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 84.5f, epsilon));
}
{
auto boxes = paragraph->getRectsForRange(0, 1, rect_height_max_style, rect_width_style);
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(), 95, epsilon));
}
{
auto boxes = paragraph->getRectsForRange(6, 10, rect_height_style, rect_width_style);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 300, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 34.5f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 500, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 84.5f, epsilon));
}
{
auto boxes = paragraph->getRectsForRange(6, 10, rect_height_max_style, rect_width_style);
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(), 95, epsilon));
}
{
auto boxes = paragraph->getRectsForRange(14, 16, rect_height_max_style, rect_width_style);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 190, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 100, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 285, epsilon));
}
{
auto boxes = paragraph->getRectsForRange(20, 25, rect_height_max_style, rect_width_style);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 50, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 285, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 300, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 380, epsilon));
}
}
DEF_TEST(SkParagraph_StrutParagraph2, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
// The chinese extra height should be absorbed by the strut.
const char* text = "01234ABCDEFGH\nabcd\nABCDEFGH";
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);
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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
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);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 24, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 50, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 74, epsilon));
}
{
auto boxes = paragraph->getRectsForRange(0, 1, rect_height_max_style, rect_width_style);
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(), 80, epsilon));
}
{
auto boxes = paragraph->getRectsForRange(6, 10, rect_height_style, rect_width_style);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 300, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 24, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 500, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 74, epsilon));
}
{
auto boxes = paragraph->getRectsForRange(6, 10, rect_height_max_style, rect_width_style);
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(), 80, epsilon));
}
{
auto boxes = paragraph->getRectsForRange(14, 16, rect_height_max_style, rect_width_style);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 160, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 100, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 240, epsilon));
}
{
auto boxes = paragraph->getRectsForRange(20, 25, rect_height_max_style, rect_width_style);
REPORTER_ASSERT(reporter, boxes.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.left(), 50, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.top(), 240, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.right(), 300, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes[0].rect.bottom(), 320, epsilon));
}
}
DEF_TEST(SkParagraph_StrutParagraph3, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
// 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 char* text = "01234満毎冠行来昼本可\nabcd\n満毎冠行来昼本可";
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);
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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
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);
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);
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);
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);
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);
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);
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));
}
}
DEF_TEST(SkParagraph_StrutForceParagraph, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text = "01234満毎冠行来昼本可\nabcd\n満毎冠行来昼本可";
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(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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(550);
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 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);
REPORTER_ASSERT(reporter, boxes2.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes2[0].rect.left(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes2[0].rect.top(), 22.5f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes2[0].rect.right(), 50, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes2[0].rect.bottom(), 72.5f, epsilon));
auto boxes3 = paragraph->getRectsForRange(0, 1, rect_height_max_style, rect_width_style);
REPORTER_ASSERT(reporter, boxes3.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes3[0].rect.left(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes3[0].rect.top(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes3[0].rect.right(), 50, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes3[0].rect.bottom(), 80, epsilon));
auto boxes4 = paragraph->getRectsForRange(6, 10, rect_height_style, rect_width_style);
REPORTER_ASSERT(reporter, boxes4.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes4[0].rect.left(), 300, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes4[0].rect.top(), 22.5f, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes4[0].rect.right(), 500, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes4[0].rect.bottom(), 72.5f, epsilon));
auto boxes5 = paragraph->getRectsForRange(6, 10, rect_height_max_style, rect_width_style);
REPORTER_ASSERT(reporter, boxes5.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes5[0].rect.left(), 300, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes5[0].rect.top(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes5[0].rect.right(), 500, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes5[0].rect.bottom(), 80, epsilon));
auto boxes6 = paragraph->getRectsForRange(14, 16, rect_height_max_style, rect_width_style);
REPORTER_ASSERT(reporter, boxes6.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes6[0].rect.left(), 0, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes6[0].rect.top(), 160, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes6[0].rect.right(), 100, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes6[0].rect.bottom(), 240, epsilon));
auto boxes7 = paragraph->getRectsForRange(20, 25, rect_height_max_style, rect_width_style);
REPORTER_ASSERT(reporter, boxes7.size() == 1);
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes7[0].rect.left(), 50, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes7[0].rect.top(), 240, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes7[0].rect.right(), 300, epsilon));
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(boxes7[0].rect.bottom(), 320, epsilon));
}
// Not in Minikin
DEF_TEST(SkParagraph_WhitespacesInMultipleFonts, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text = "English English 字典 字典 😀😃😄 😀😃😄";
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);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(TestCanvasWidth);
SkDEBUGCODE(auto impl = static_cast<ParagraphImpl*>(paragraph.get());)
SkASSERT(impl->runs().size() == 3);
SkASSERT(impl->runs()[0].text().end() == impl->runs()[1].text().begin());
SkASSERT(impl->runs()[1].text().end() == impl->runs()[2].text().begin());
}
// 4 to 1
DEF_TEST(SkParagraph_JSON1, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* 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);
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;
});
SkASSERT(cluster <= 2);
}
// 5 to 3
DEF_TEST(SkParagraph_JSON2, reporter) {
sk_sp<TestFontCollection> fontCollection = sk_make_sp<TestFontCollection>();
if (!fontCollection->fontsFound()) return;
const char* text = "p〠q";
//icu::UnicodeString unicode(text, std::strlen(text));
//std::string str;
//unicode.toUTF8String(str);
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);
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;
for (auto& run : impl->runs()) {
SkShaperJSONWriter::VisualizeClusters(
run.text().data(), 0, run.text().size(), 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;
});
}
SkASSERT(cluster <= 2);
}
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