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skia2/modules/skparagraph/samples/SampleParagraph.cpp
Julia Lavrova d20a1097e8 Round unresolved font blocks to grapheme edges 
I had to stage the change with SK_PARAGRAPH_GRAPHEME_EDGES because of
some google3 tests.
Bug: skia:11196

Change-Id: Ic45e43e6c69f649c6bc0fedcc6f303891139b85e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/359566
Commit-Queue: Julia Lavrova <jlavrova@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
2021-01-27 15:39:09 +00:00

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// Copyright 2019 Google LLC.
#include "include/core/SkCanvas.h"
#include "include/core/SkColorFilter.h"
#include "include/core/SkColorPriv.h"
#include "include/core/SkFontMgr.h"
#include "include/core/SkGraphics.h"
#include "include/core/SkPath.h"
#include "include/core/SkRegion.h"
#include "include/core/SkShader.h"
#include "include/core/SkStream.h"
#include "include/core/SkTextBlob.h"
#include "include/core/SkTime.h"
#include "include/core/SkTypeface.h"
#include "include/effects/SkGradientShader.h"
#include "include/utils/SkRandom.h"
#include "modules/skparagraph/include/Paragraph.h"
#include "modules/skparagraph/include/TypefaceFontProvider.h"
#include "modules/skparagraph/src/ParagraphBuilderImpl.h"
#include "modules/skparagraph/src/ParagraphImpl.h"
#include "modules/skparagraph/src/TextLine.h"
#include "modules/skparagraph/utils/TestFontCollection.h"
#include "modules/skshaper/src/SkUnicode.h"
#include "samplecode/Sample.h"
#include "src/core/SkOSFile.h"
#include "src/shaders/SkColorShader.h"
#include "src/utils/SkOSPath.h"
#include "src/utils/SkUTF.h"
#include "tools/Resources.h"
#include "tools/flags/CommandLineFlags.h"
static DEFINE_bool(verboseParagraph, false, "paragraph samples very verbose.");
using namespace skia::textlayout;
namespace {
class ParagraphView_Base : public Sample {
protected:
sk_sp<TestFontCollection> getFontCollection() {
// If we reset font collection we need to reset paragraph cache
static sk_sp<TestFontCollection> fFC = nullptr;
if (fFC == nullptr) {
fFC = sk_make_sp<TestFontCollection>(GetResourcePath("fonts").c_str(), false, true);
}
return fFC;
}
bool isVerbose() {
return FLAGS_verboseParagraph;
}
};
sk_sp<SkShader> setgrad(const SkRect& r, SkColor c0, SkColor c1) {
SkColor colors[] = {c0, c1};
SkPoint pts[] = {{r.fLeft, r.fTop}, {r.fRight, r.fTop}};
return SkGradientShader::MakeLinear(pts, colors, nullptr, 2, SkTileMode::kClamp);
}
/*
void writeHtml(const char* name, Paragraph* paragraph) {
SkString tmpDir = skiatest::GetTmpDir();
if (!tmpDir.isEmpty()) {
SkString path = SkOSPath::Join(tmpDir.c_str(), name);
SkFILEWStream file(path.c_str());
file.write(nullptr, 0);
}
}
*/
class ParagraphView1 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph1"); }
void drawTest(SkCanvas* canvas, SkScalar w, SkScalar h, SkColor fg, SkColor bg) {
const std::vector<
std::tuple<std::string, bool, bool, int, SkColor, SkColor, bool, TextDecorationStyle>>
gParagraph = {{"monospace", true, false, 14, SK_ColorWHITE, SK_ColorRED, true,
TextDecorationStyle::kDashed},
{"Assyrian", false, false, 20, SK_ColorWHITE, SK_ColorBLUE, false,
TextDecorationStyle::kDotted},
{"serif", true, true, 10, SK_ColorWHITE, SK_ColorRED, true,
TextDecorationStyle::kDouble},
{"Arial", false, true, 16, SK_ColorGRAY, SK_ColorGREEN, true,
TextDecorationStyle::kSolid},
{"sans-serif", false, false, 8, SK_ColorWHITE, SK_ColorRED, false,
TextDecorationStyle::kWavy}};
SkAutoCanvasRestore acr(canvas, true);
canvas->clipRect(SkRect::MakeWH(w, h));
canvas->drawColor(SK_ColorWHITE);
SkScalar margin = 20;
SkPaint paint;
paint.setAntiAlias(true);
paint.setColor(fg);
SkPaint blue;
blue.setColor(SK_ColorBLUE);
TextStyle defaultStyle;
defaultStyle.setBackgroundColor(blue);
defaultStyle.setForegroundColor(paint);
ParagraphStyle paraStyle;
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
for (auto i = 1; i < 5; ++i) {
defaultStyle.setFontSize(24 * i);
paraStyle.setTextStyle(defaultStyle);
ParagraphBuilderImpl builder(paraStyle, fontCollection);
std::string name = "Paragraph: " + std::to_string(24 * i);
builder.addText(name.c_str(), name.length());
for (auto para : gParagraph) {
TextStyle style;
style.setFontFamilies({SkString(std::get<0>(para).c_str())});
SkFontStyle fontStyle(std::get<1>(para) ? SkFontStyle::Weight::kBold_Weight
: SkFontStyle::Weight::kNormal_Weight,
SkFontStyle::Width::kNormal_Width,
std::get<2>(para) ? SkFontStyle::Slant::kItalic_Slant
: SkFontStyle::Slant::kUpright_Slant);
style.setFontStyle(fontStyle);
style.setFontSize(std::get<3>(para) * i);
SkPaint background;
background.setColor(std::get<4>(para));
style.setBackgroundColor(background);
SkPaint foreground;
foreground.setColor(std::get<5>(para));
foreground.setAntiAlias(true);
style.setForegroundColor(foreground);
if (std::get<6>(para)) {
style.addShadow(TextShadow(SK_ColorBLACK, SkPoint::Make(5, 5), 2));
}
auto decoration = (i % 4);
if (decoration == 3) {
decoration = 4;
}
bool test = (TextDecoration)decoration != TextDecoration::kNoDecoration;
std::string deco = std::to_string((int)decoration);
if (test) {
style.setDecoration((TextDecoration)decoration);
style.setDecorationStyle(std::get<7>(para));
style.setDecorationColor(std::get<5>(para));
}
builder.pushStyle(style);
std::string name = " " + std::get<0>(para) + " " +
(std::get<1>(para) ? ", bold" : "") +
(std::get<2>(para) ? ", italic" : "") + " " +
std::to_string(std::get<3>(para) * i) +
(std::get<4>(para) != bg ? ", background" : "") +
(std::get<5>(para) != fg ? ", foreground" : "") +
(std::get<6>(para) ? ", shadow" : "") +
(test ? ", decorations " + deco : "") + ";";
builder.addText(name.c_str(), name.length());
builder.pop();
}
auto paragraph = builder.Build();
paragraph->layout(w - margin * 2);
paragraph->paint(canvas, margin, margin);
canvas->translate(0, paragraph->getHeight());
}
}
void onDrawContent(SkCanvas* canvas) override {
drawTest(canvas, this->width(), this->height(), SK_ColorRED, SK_ColorWHITE);
}
private:
using INHERITED = Sample;
};
class ParagraphView2 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph2"); }
void drawCode(SkCanvas* canvas, SkScalar w, SkScalar h) {
SkPaint comment;
comment.setColor(SK_ColorGRAY);
SkPaint constant;
constant.setColor(SK_ColorMAGENTA);
SkPaint null;
null.setColor(SK_ColorMAGENTA);
SkPaint literal;
literal.setColor(SK_ColorGREEN);
SkPaint code;
code.setColor(SK_ColorDKGRAY);
SkPaint number;
number.setColor(SK_ColorBLUE);
SkPaint name;
name.setColor(SK_ColorRED);
SkPaint white;
white.setColor(SK_ColorWHITE);
TextStyle defaultStyle;
defaultStyle.setBackgroundColor(white);
defaultStyle.setForegroundColor(code);
defaultStyle.setFontFamilies({SkString("monospace")});
defaultStyle.setFontSize(30);
ParagraphStyle paraStyle;
paraStyle.setTextStyle(defaultStyle);
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
ParagraphBuilderImpl builder(paraStyle, fontCollection);
const char* text1 = "RaisedButton";
const char* text2 = "(\n";
const char* text3 = " child: ";
const char* text4 = "const";
const char* text5 = "Text";
const char* text6 = "'BUTTON TITLE'";
const char* text7 = "),\n";
builder.pushStyle(style(name));
builder.addText(text1, strlen(text1));
builder.pop();
builder.addText(text2, strlen(text2));
builder.addText(text3, strlen(text3));
builder.pushStyle(style(constant));
builder.addText(text4, strlen(text4));
builder.pop();
builder.addText(" ", 1);
builder.pushStyle(style(name));
builder.addText(text5, strlen(text5));
builder.pop();
builder.addText("(", 1);
builder.pushStyle(style(literal));
builder.addText(text6, strlen(text6));
builder.pop();
builder.addText(text7, strlen(text7));
auto paragraph = builder.Build();
paragraph->layout(w - 20);
paragraph->paint(canvas, 20, 20);
}
TextStyle style(SkPaint paint) {
TextStyle style;
paint.setAntiAlias(true);
style.setForegroundColor(paint);
style.setFontFamilies({SkString("monospace")});
style.setFontSize(30);
return style;
}
void drawText(SkCanvas* canvas, SkScalar w, SkScalar h, std::vector<const char*>& text,
SkColor fg = SK_ColorDKGRAY, SkColor bg = SK_ColorWHITE,
const char* ff = "sans-serif", SkScalar fs = 24,
size_t lineLimit = 30,
const std::u16string& ellipsis = u"\u2026") {
SkAutoCanvasRestore acr(canvas, true);
canvas->clipRect(SkRect::MakeWH(w, h));
canvas->drawColor(bg);
SkScalar margin = 20;
SkPaint paint;
paint.setAntiAlias(true);
paint.setColor(fg);
SkPaint blue;
blue.setColor(SK_ColorBLUE);
SkPaint background;
background.setColor(bg);
TextStyle style;
style.setBackgroundColor(blue);
style.setForegroundColor(paint);
style.setFontFamilies({SkString(ff)});
style.setFontStyle(SkFontStyle(SkFontStyle::kMedium_Weight,
SkFontStyle::kNormal_Width,
SkFontStyle::kUpright_Slant));
style.setFontSize(fs);
ParagraphStyle paraStyle;
paraStyle.setTextStyle(style);
paraStyle.setMaxLines(lineLimit);
paraStyle.setEllipsis(ellipsis);
TextStyle defaultStyle;
defaultStyle.setFontSize(20);
paraStyle.setTextStyle(defaultStyle);
ParagraphBuilderImpl builder(paraStyle, getFontCollection());
SkPaint foreground;
foreground.setColor(fg);
style.setForegroundColor(foreground);
style.setBackgroundColor(background);
for (auto& part : text) {
builder.pushStyle(style);
builder.addText(part, strlen(part));
builder.pop();
}
auto paragraph = builder.Build();
paragraph->layout(w - margin * 2);
paragraph->paint(canvas, margin, margin);
canvas->translate(0, paragraph->getHeight() + margin);
}
void drawLine(SkCanvas* canvas, SkScalar w, SkScalar h, const std::string& text,
TextAlign align) {
SkAutoCanvasRestore acr(canvas, true);
canvas->clipRect(SkRect::MakeWH(w, h));
canvas->drawColor(SK_ColorWHITE);
SkScalar margin = 20;
SkPaint paint;
paint.setAntiAlias(true);
paint.setColor(SK_ColorBLUE);
SkPaint gray;
gray.setColor(SK_ColorLTGRAY);
TextStyle style;
style.setBackgroundColor(gray);
style.setForegroundColor(paint);
style.setFontFamilies({SkString("Arial")});
style.setFontSize(30);
ParagraphStyle paraStyle;
paraStyle.setTextStyle(style);
paraStyle.setTextAlign(align);
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
ParagraphBuilderImpl builder(paraStyle, fontCollection);
builder.addText(text.c_str(), text.length());
auto paragraph = builder.Build();
paragraph->layout(w - margin * 2);
paragraph->layout(w - margin);
paragraph->paint(canvas, margin, margin);
canvas->translate(0, paragraph->getHeight() + margin);
}
void onDrawContent(SkCanvas* canvas) override {
std::vector<const char*> cupertino = {
"google_logogoogle_gsuper_g_logo 1 "
"google_logogoogle_gsuper_g_logo 12 "
"google_logogoogle_gsuper_g_logo 123 "
"google_logogoogle_gsuper_g_logo 1234 "
"google_logogoogle_gsuper_g_logo 12345 "
"google_logogoogle_gsuper_g_logo 123456 "
"google_logogoogle_gsuper_g_logo 1234567 "
"google_logogoogle_gsuper_g_logo 12345678 "
"google_logogoogle_gsuper_g_logo 123456789 "
"google_logogoogle_gsuper_g_logo 1234567890 "
"google_logogoogle_gsuper_g_logo 123456789 "
"google_logogoogle_gsuper_g_logo 12345678 "
"google_logogoogle_gsuper_g_logo 1234567 "
"google_logogoogle_gsuper_g_logo 123456 "
"google_logogoogle_gsuper_g_logo 12345 "
"google_logogoogle_gsuper_g_logo 1234 "
"google_logogoogle_gsuper_g_logo 123 "
"google_logogoogle_gsuper_g_logo 12 "
"google_logogoogle_gsuper_g_logo 1 "
"google_logogoogle_gsuper_g_logo "
"google_logogoogle_gsuper_g_logo "
"google_logogoogle_gsuper_g_logo "
"google_logogoogle_gsuper_g_logo "
"google_logogoogle_gsuper_g_logo "
"google_logogoogle_gsuper_g_logo"};
std::vector<const char*> text = {
"My neighbor came over to say,\n"
"Although not in a neighborly way,\n\n"
"That he'd knock me around,\n\n\n"
"If I didn't stop the sound,\n\n\n\n"
"Of the classical music I play."};
std::vector<const char*> long_word = {
"A_very_very_very_very_very_very_very_very_very_very_very_very_very_very_very_very_"
"very_very_very_very_very_very_very_very_very_very_very_very_very_very_very_very_"
"very_very_very_very_very_very_very_very_very_very_very_very_very_very_very_very_"
"very_very_very_very_very_very_very_long_text"};
std::vector<const char*> very_long = {
"A very very very very very very very very very very very very very very very very "
"very very very very very very very very very very very very very very very very "
"very very very very very very very very very very very very very very very very "
"very very very very very very very long text"};
std::vector<const char*> very_word = {
"A very_very_very_very_very_very_very_very_very_very "
"very_very_very_very_very_very_very_very_very_very very very very very very very "
"very very very very very very very very very very very very very very very very "
"very very very very very very very very very very very very very long text"};
SkScalar width = this->width() / 5;
SkScalar height = this->height();
drawText(canvas, width, height, long_word, SK_ColorBLACK, SK_ColorWHITE, "Google Sans", 30);
canvas->translate(width, 0);
drawText(canvas, width, height, very_long, SK_ColorBLACK, SK_ColorWHITE, "Google Sans", 30);
canvas->translate(width, 0);
drawText(canvas, width, height, very_word, SK_ColorBLACK, SK_ColorWHITE, "Google Sans", 30);
canvas->translate(width, 0);
drawText(canvas, width, height / 2, text, SK_ColorBLACK, SK_ColorWHITE, "Roboto", 20, 100,
u"\u2026");
canvas->translate(0, height / 2);
drawCode(canvas, width, height / 2);
canvas->translate(width, -height / 2);
drawText(canvas, width, height, cupertino, SK_ColorBLACK, SK_ColorWHITE, "Google Sans", 30);
}
private:
using INHERITED = Sample;
};
class ParagraphView3 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph3"); }
void drawLine(SkCanvas* canvas, SkScalar w, SkScalar h, const std::string& text,
TextAlign align, size_t lineLimit = std::numeric_limits<size_t>::max(),
bool RTL = false, SkColor background = SK_ColorGRAY,
const std::u16string& ellipsis = u"\u2026") {
SkAutoCanvasRestore acr(canvas, true);
canvas->clipRect(SkRect::MakeWH(w, h));
canvas->drawColor(SK_ColorWHITE);
SkScalar margin = 20;
SkPaint paint;
paint.setAntiAlias(true);
paint.setColor(SK_ColorBLACK);
SkPaint gray;
gray.setColor(background);
SkPaint yellow;
yellow.setColor(SK_ColorYELLOW);
TextStyle style;
style.setBackgroundColor(gray);
style.setForegroundColor(paint);
style.setFontFamilies({SkString("sans-serif")});
style.setFontSize(30);
ParagraphStyle paraStyle;
paraStyle.setTextStyle(style);
paraStyle.setTextAlign(align);
paraStyle.setMaxLines(lineLimit);
paraStyle.setEllipsis(ellipsis);
// paraStyle.setTextDirection(RTL ? SkTextDirection::rtl : SkTextDirection::ltr);
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
ParagraphBuilderImpl builder(paraStyle, fontCollection);
if (RTL) {
builder.addText(mirror(text));
} else {
builder.addText(normal(text));
}
canvas->drawRect(SkRect::MakeXYWH(margin, margin, w - margin * 2, h - margin * 2), yellow);
auto paragraph = builder.Build();
paragraph->layout(w - margin * 2);
paragraph->paint(canvas, margin, margin);
}
std::u16string mirror(const std::string& text) {
std::u16string result;
result += u"\u202E";
// for (auto i = text.size(); i > 0; --i) {
// result += text[i - 1];
//}
for (auto i = text.size(); i > 0; --i) {
auto ch = text[i - 1];
if (ch == ',') {
result += u"!";
} else if (ch == '.') {
result += u"!";
} else {
result += ch;
}
}
result += u"\u202C";
return result;
}
std::u16string normal(const std::string& text) {
std::u16string result;
result += u"\u202D";
for (auto ch : text) {
result += ch;
}
result += u"\u202C";
return result;
}
void onDrawContent(SkCanvas* canvas) override {
const std::string options = // { "open-source open-source open-source open-source" };
{"Flutter is an open-source project to help developers "
"build high-performance, high-fidelity, mobile apps for "
"iOS and Android "
"from a single codebase. This design lab is a playground "
"and showcase of Flutter's many widgets, behaviors, "
"animations, layouts, and more."};
canvas->drawColor(SK_ColorDKGRAY);
SkScalar width = this->width() / 4;
SkScalar height = this->height() / 2;
const std::string line =
"World domination is such an ugly phrase - I prefer to call it world optimisation";
drawLine(canvas, width, height, line, TextAlign::kLeft, 1, false, SK_ColorLTGRAY);
canvas->translate(width, 0);
drawLine(canvas, width, height, line, TextAlign::kRight, 2, false, SK_ColorLTGRAY);
canvas->translate(width, 0);
drawLine(canvas, width, height, line, TextAlign::kCenter, 3, false, SK_ColorLTGRAY);
canvas->translate(width, 0);
drawLine(canvas, width, height, line, TextAlign::kJustify, 4, false, SK_ColorLTGRAY);
canvas->translate(-width * 3, height);
drawLine(canvas, width, height, line, TextAlign::kLeft, 1, true, SK_ColorLTGRAY);
canvas->translate(width, 0);
drawLine(canvas, width, height, line, TextAlign::kRight, 2, true, SK_ColorLTGRAY);
canvas->translate(width, 0);
drawLine(canvas, width, height, line, TextAlign::kCenter, 3, true, SK_ColorLTGRAY);
canvas->translate(width, 0);
drawLine(canvas, width, height, line, TextAlign::kJustify, 4, true, SK_ColorLTGRAY);
canvas->translate(width, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView4 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph4"); }
void drawFlutter(SkCanvas* canvas, SkScalar w, SkScalar h,
const char* ff = "Google Sans", SkScalar fs = 30,
size_t lineLimit = std::numeric_limits<size_t>::max(),
const std::u16string& ellipsis = u"\u2026") {
SkAutoCanvasRestore acr(canvas, true);
canvas->clipRect(SkRect::MakeWH(w, h));
SkScalar margin = 20;
SkPaint black;
black.setAntiAlias(true);
black.setColor(SK_ColorBLACK);
SkPaint blue;
blue.setAntiAlias(true);
blue.setColor(SK_ColorBLUE);
SkPaint red;
red.setAntiAlias(true);
red.setColor(SK_ColorRED);
SkPaint green;
green.setAntiAlias(true);
green.setColor(SK_ColorGREEN);
SkPaint gray;
gray.setColor(SK_ColorLTGRAY);
SkPaint yellow;
yellow.setColor(SK_ColorYELLOW);
SkPaint magenta;
magenta.setAntiAlias(true);
magenta.setColor(SK_ColorMAGENTA);
TextStyle style;
style.setFontFamilies({SkString(ff)});
style.setFontSize(fs);
TextStyle style0;
style0.setForegroundColor(black);
style0.setBackgroundColor(gray);
style0.setFontFamilies({SkString(ff)});
style0.setFontSize(fs);
style0.setDecoration(TextDecoration::kUnderline);
style0.setDecorationStyle(TextDecorationStyle::kDouble);
style0.setDecorationColor(SK_ColorBLACK);
TextStyle style1;
style1.setForegroundColor(blue);
style1.setBackgroundColor(yellow);
style1.setFontFamilies({SkString(ff)});
style1.setFontSize(fs);
style1.setDecoration(TextDecoration::kOverline);
style1.setDecorationStyle(TextDecorationStyle::kWavy);
style1.setDecorationColor(SK_ColorBLACK);
TextStyle style2;
style2.setForegroundColor(red);
style2.setFontFamilies({SkString(ff)});
style2.setFontSize(fs);
TextStyle style3;
style3.setForegroundColor(green);
style3.setFontFamilies({SkString(ff)});
style3.setFontSize(fs);
TextStyle style4;
style4.setForegroundColor(magenta);
style4.setFontFamilies({SkString(ff)});
style4.setFontSize(fs);
ParagraphStyle paraStyle;
paraStyle.setTextStyle(style);
paraStyle.setMaxLines(lineLimit);
paraStyle.setEllipsis(ellipsis);
const char* logo1 = "google_";
const char* logo2 = "logo";
const char* logo3 = "go";
const char* logo4 = "ogle_logo";
const char* logo5 = "google_lo";
const char* logo6 = "go";
{
ParagraphBuilderImpl builder(paraStyle, getFontCollection());
builder.pushStyle(style0);
builder.addText(logo1, strlen(logo1));
builder.pop();
builder.pushStyle(style1);
builder.addText(logo2, strlen(logo2));
builder.pop();
builder.addText(" ", 1);
builder.pushStyle(style0);
builder.addText(logo3, strlen(logo3));
builder.pop();
builder.pushStyle(style1);
builder.addText(logo4, strlen(logo4));
builder.pop();
builder.addText(" ", 1);
builder.pushStyle(style0);
builder.addText(logo5, strlen(logo5));
builder.pop();
builder.pushStyle(style1);
builder.addText(logo6, strlen(logo6));
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(w - margin * 2);
paragraph->paint(canvas, margin, margin);
canvas->translate(0, h + margin);
}
}
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
SkScalar width = this->width();
SkScalar height = this->height();
drawFlutter(canvas, width, height / 2);
}
private:
using INHERITED = Sample;
};
class ParagraphView5 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph5"); }
void bidi(SkCanvas* canvas, SkScalar w, SkScalar h, const std::u16string& text,
const std::u16string& expected, size_t lineLimit = std::numeric_limits<size_t>::max(),
const char* ff = "Roboto", SkScalar fs = 30,
const std::u16string& ellipsis = u"\u2026") {
SkAutoCanvasRestore acr(canvas, true);
canvas->clipRect(SkRect::MakeWH(w, h));
SkScalar margin = 20;
SkPaint black;
black.setColor(SK_ColorBLACK);
SkPaint gray;
gray.setColor(SK_ColorLTGRAY);
TextStyle style;
style.setForegroundColor(black);
style.setFontFamilies({SkString(ff)});
style.setFontSize(fs);
TextStyle style0;
style0.setForegroundColor(black);
style0.setFontFamilies({SkString(ff)});
style0.setFontSize(fs);
style0.setFontStyle(SkFontStyle(SkFontStyle::kNormal_Weight, SkFontStyle::kNormal_Width,
SkFontStyle::kItalic_Slant));
TextStyle style1;
style1.setForegroundColor(gray);
style1.setFontFamilies({SkString(ff)});
style1.setFontSize(fs);
style1.setFontStyle(SkFontStyle(SkFontStyle::kBold_Weight, SkFontStyle::kNormal_Width,
SkFontStyle::kUpright_Slant));
ParagraphStyle paraStyle;
paraStyle.setTextStyle(style);
paraStyle.setMaxLines(lineLimit);
paraStyle.setEllipsis(ellipsis);
ParagraphBuilderImpl builder(paraStyle, getFontCollection());
if (text.empty()) {
const std::u16string text0 = u"\u202Dabc";
const std::u16string text1 = u"\u202EFED";
const std::u16string text2 = u"\u202Dghi";
const std::u16string text3 = u"\u202ELKJ";
const std::u16string text4 = u"\u202Dmno";
builder.pushStyle(style0);
builder.addText(text0);
builder.pop();
builder.pushStyle(style1);
builder.addText(text1);
builder.pop();
builder.pushStyle(style0);
builder.addText(text2);
builder.pop();
builder.pushStyle(style1);
builder.addText(text3);
builder.pop();
builder.pushStyle(style0);
builder.addText(text4);
builder.pop();
} else {
builder.addText(text + expected);
}
auto paragraph = builder.Build();
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
if (this->isVerbose()) {
SkDebugf("Text: >%s<\n", impl->text().data());
}
paragraph->layout(w - margin * 2);
paragraph->paint(canvas, margin, margin);
}
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
SkScalar width = this->width();
SkScalar height = this->height() / 8;
const std::u16string text1 =
u"A \u202ENAC\u202Cner, exceedingly \u202ENAC\u202Cny,\n"
"One morning remarked to his granny:\n"
"A \u202ENAC\u202Cner \u202ENAC\u202C \u202ENAC\u202C,\n"
"Anything that he \u202ENAC\u202C,\n"
"But a \u202ENAC\u202Cner \u202ENAC\u202C't \u202ENAC\u202C a \u202ENAC\u202C, "
"\u202ENAC\u202C he?";
bidi(canvas, width, height * 3, text1, u"", 5);
canvas->translate(0, height * 3);
bidi(canvas, width, height, u"\u2067DETALOSI\u2069", u"");
canvas->translate(0, height);
bidi(canvas, width, height, u"\u202BDEDDEBME\u202C", u"");
canvas->translate(0, height);
bidi(canvas, width, height, u"\u202EEDIRREVO\u202C", u"");
canvas->translate(0, height);
bidi(canvas, width, height, u"\u200FTICILPMI\u200E", u"");
canvas->translate(0, height);
bidi(canvas, width, height, u"123 456 7890 \u202EZYXWV UTS RQP ONM LKJ IHG FED CBA\u202C.",
u"", 2);
canvas->translate(0, height);
// bidi(canvas, width, height, u"", u"");
// canvas->translate(0, height);
}
private:
using INHERITED = Sample;
};
class ParagraphView6 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph6"); }
void hangingS(SkCanvas* canvas, SkScalar w, SkScalar h, SkScalar fs = 60.0) {
auto ff = "HangingS";
canvas->drawColor(SK_ColorLTGRAY);
SkPaint black;
black.setAntiAlias(true);
black.setColor(SK_ColorBLACK);
SkPaint blue;
blue.setAntiAlias(true);
blue.setColor(SK_ColorBLUE);
SkPaint red;
red.setAntiAlias(true);
red.setColor(SK_ColorRED);
SkPaint green;
green.setAntiAlias(true);
green.setColor(SK_ColorGREEN);
SkPaint gray;
gray.setColor(SK_ColorCYAN);
SkPaint yellow;
yellow.setColor(SK_ColorYELLOW);
SkPaint magenta;
magenta.setAntiAlias(true);
magenta.setColor(SK_ColorMAGENTA);
SkFontStyle fontStyle(SkFontStyle::kBold_Weight, SkFontStyle::kNormal_Width,
SkFontStyle::kItalic_Slant);
TextStyle style;
style.setFontFamilies({SkString(ff)});
style.setFontSize(fs);
style.setFontStyle(fontStyle);
TextStyle style0;
style0.setForegroundColor(black);
style0.setBackgroundColor(gray);
style0.setFontFamilies({SkString(ff)});
style0.setFontSize(fs);
style0.setFontStyle(fontStyle);
TextStyle style1;
style1.setForegroundColor(blue);
style1.setBackgroundColor(yellow);
style1.setFontFamilies({SkString(ff)});
style1.setFontSize(fs);
style1.setFontStyle(fontStyle);
TextStyle style2;
style2.setForegroundColor(red);
style2.setFontFamilies({SkString(ff)});
style2.setFontSize(fs);
style2.setFontStyle(fontStyle);
TextStyle style3;
style3.setForegroundColor(green);
style3.setFontFamilies({SkString(ff)});
style3.setFontSize(fs);
style3.setFontStyle(fontStyle);
TextStyle style4;
style4.setForegroundColor(magenta);
style4.setFontFamilies({SkString(ff)});
style4.setFontSize(fs);
style4.setFontStyle(fontStyle);
ParagraphStyle paraStyle;
paraStyle.setTextStyle(style);
const char* logo1 = "S";
const char* logo2 = "kia";
const char* logo3 = "Sk";
const char* logo4 = "ia";
const char* logo5 = "Ski";
const char* logo6 = "a";
{
ParagraphBuilderImpl builder(paraStyle, getFontCollection());
builder.pushStyle(style0);
builder.addText(logo1, strlen(logo1));
builder.pop();
builder.pushStyle(style1);
builder.addText(logo2, strlen(logo2));
builder.pop();
builder.addText(" ", 3);
builder.pushStyle(style0);
builder.addText(logo3, strlen(logo3));
builder.pop();
builder.pushStyle(style1);
builder.addText(logo4, strlen(logo4));
builder.pop();
builder.addText(" ", 3);
builder.pushStyle(style0);
builder.addText(logo5, strlen(logo5));
builder.pop();
builder.pushStyle(style1);
builder.addText(logo6, strlen(logo6));
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(w);
paragraph->paint(canvas, 40, 40);
canvas->translate(0, h);
}
const char* logo11 = "S";
const char* logo12 = "S";
const char* logo13 = "S";
const char* logo14 = "S";
const char* logo15 = "S";
const char* logo16 = "S";
{
ParagraphBuilderImpl builder(paraStyle, getFontCollection());
builder.pushStyle(style0);
builder.addText(logo11, strlen(logo1));
builder.pop();
builder.pushStyle(style1);
builder.addText(logo12, strlen(logo2));
builder.pop();
builder.addText(" ", 3);
builder.pushStyle(style0);
builder.addText(logo13, strlen(logo3));
builder.pop();
builder.pushStyle(style1);
builder.addText(logo14, strlen(logo4));
builder.pop();
builder.addText(" ", 3);
builder.pushStyle(style0);
builder.addText(logo15, strlen(logo5));
builder.pop();
builder.pushStyle(style1);
builder.addText(logo16, strlen(logo6));
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(w);
paragraph->paint(canvas, 40, h);
canvas->translate(0, h);
}
}
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
SkScalar width = this->width();
SkScalar height = this->height() / 4;
hangingS(canvas, width, height);
}
private:
using INHERITED = Sample;
};
class ParagraphView7 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph7"); }
void drawText(SkCanvas* canvas, SkColor background, SkScalar letterSpace, SkScalar w,
SkScalar h) {
SkAutoCanvasRestore acr(canvas, true);
canvas->clipRect(SkRect::MakeWH(w, h));
canvas->drawColor(background);
const char* line =
"World domination is such an ugly phrase - I prefer to call it world optimisation.";
ParagraphStyle paragraphStyle;
paragraphStyle.setTextAlign(TextAlign::kLeft);
paragraphStyle.setMaxLines(10);
paragraphStyle.turnHintingOff();
TextStyle textStyle;
textStyle.setFontFamilies({SkString("Roboto")});
textStyle.setFontSize(30);
textStyle.setLetterSpacing(letterSpace);
textStyle.setColor(SK_ColorBLACK);
textStyle.setFontStyle(SkFontStyle(SkFontStyle::kMedium_Weight, SkFontStyle::kNormal_Width,
SkFontStyle::kUpright_Slant));
ParagraphBuilderImpl builder(paragraphStyle, getFontCollection());
builder.pushStyle(textStyle);
builder.addText(line, strlen(line));
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(w - 20);
paragraph->paint(canvas, 10, 10);
}
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
auto h = this->height() / 4;
auto w = this->width() / 2;
drawText(canvas, SK_ColorGRAY, 1, w, h);
canvas->translate(0, h);
drawText(canvas, SK_ColorLTGRAY, 2, w, h);
canvas->translate(0, h);
drawText(canvas, SK_ColorCYAN, 3, w, h);
canvas->translate(0, h);
drawText(canvas, SK_ColorGRAY, 4, w, h);
canvas->translate(w, -3 * h);
drawText(canvas, SK_ColorYELLOW, 5, w, h);
canvas->translate(0, h);
drawText(canvas, SK_ColorGREEN, 10, w, h);
canvas->translate(0, h);
drawText(canvas, SK_ColorRED, 15, w, h);
canvas->translate(0, h);
drawText(canvas, SK_ColorBLUE, 20, w, h);
canvas->translate(0, h);
}
private:
using INHERITED = Sample;
};
class ParagraphView8 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph8"); }
void drawText(SkCanvas* canvas, SkColor background, SkScalar wordSpace, SkScalar w,
SkScalar h) {
SkAutoCanvasRestore acr(canvas, true);
canvas->clipRect(SkRect::MakeWH(w, h));
canvas->drawColor(background);
const char* line =
"World domination is such an ugly phrase - I prefer to call it world optimisation.";
ParagraphStyle paragraphStyle;
paragraphStyle.setTextAlign(TextAlign::kLeft);
paragraphStyle.setMaxLines(10);
paragraphStyle.turnHintingOff();
TextStyle textStyle;
textStyle.setFontFamilies({SkString("Roboto")});
textStyle.setFontSize(30);
textStyle.setWordSpacing(wordSpace);
textStyle.setColor(SK_ColorBLACK);
textStyle.setFontStyle(SkFontStyle(SkFontStyle::kMedium_Weight, SkFontStyle::kNormal_Width,
SkFontStyle::kUpright_Slant));
ParagraphBuilderImpl builder(paragraphStyle, getFontCollection());
builder.pushStyle(textStyle);
builder.addText(line, strlen(line));
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(w - 20);
paragraph->paint(canvas, 10, 10);
}
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
auto h = this->height() / 4;
auto w = this->width() / 2;
drawText(canvas, SK_ColorGRAY, 1, w, h);
canvas->translate(0, h);
drawText(canvas, SK_ColorLTGRAY, 2, w, h);
canvas->translate(0, h);
drawText(canvas, SK_ColorCYAN, 3, w, h);
canvas->translate(0, h);
drawText(canvas, SK_ColorGRAY, 4, w, h);
canvas->translate(w, -3 * h);
drawText(canvas, SK_ColorYELLOW, 5, w, h);
canvas->translate(0, h);
drawText(canvas, SK_ColorGREEN, 10, w, h);
canvas->translate(0, h);
drawText(canvas, SK_ColorRED, 15, w, h);
canvas->translate(0, h);
drawText(canvas, SK_ColorBLUE, 20, w, h);
canvas->translate(0, h);
}
private:
using INHERITED = Sample;
};
class ParagraphView9 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph9"); }
bool onChar(SkUnichar uni) override {
switch (uni) {
case 'w':
++wordSpacing;
return true;
case 'q':
if (wordSpacing > 0) --wordSpacing;
return true;
case 'l':
++letterSpacing;
return true;
case 'k':
if (letterSpacing > 0) --letterSpacing;
return true;
default:
break;
}
return false;
}
void drawText(SkCanvas* canvas, SkColor background, SkScalar w, SkScalar h) {
SkAutoCanvasRestore acr(canvas, true);
canvas->clipRect(SkRect::MakeWH(w, h));
canvas->drawColor(background);
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
const char* text =
"(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)("
"　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)("
"　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)(　´･‿･｀)";
auto multiplier = 5.67;
ParagraphStyle paragraphStyle;
paragraphStyle.setTextAlign(TextAlign::kLeft);
paragraphStyle.setMaxLines(10);
paragraphStyle.turnHintingOff();
TextStyle textStyle;
textStyle.setFontFamilies({SkString("Roboto")});
textStyle.setFontSize(5 * multiplier);
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, strlen(text));
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(200 * multiplier);
std::vector<size_t> sizes = {0, 1, 2, 8, 19, 21, 22, 30, 150};
std::vector<size_t> colors = {SK_ColorBLUE, SK_ColorCYAN, SK_ColorLTGRAY, SK_ColorGREEN,
SK_ColorRED, SK_ColorWHITE, SK_ColorYELLOW, SK_ColorMAGENTA};
RectHeightStyle rect_height_style = RectHeightStyle::kTight;
RectWidthStyle rect_width_style = RectWidthStyle::kTight;
for (size_t i = 0; i < sizes.size() - 1; ++i) {
size_t from = sizes[i];
size_t to = sizes[i + 1];
auto boxes = paragraph->getRectsForRange(from, to, rect_height_style, rect_width_style);
if (boxes.empty()) {
continue;
}
for (auto& box : boxes) {
SkPaint paint;
paint.setColor(colors[i % colors.size()]);
paint.setShader(setgrad(box.rect, colors[i % colors.size()], SK_ColorWHITE));
canvas->drawRect(box.rect, paint);
}
}
paragraph->paint(canvas, 0, 0);
}
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
auto h = this->height();
auto w = this->width();
drawText(canvas, SK_ColorGRAY, w, h);
}
private:
using INHERITED = Sample;
SkScalar letterSpacing;
SkScalar wordSpacing;
};
class ParagraphView10 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph10"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
auto multiplier = 5.67;
const char* text = "English English 字典 字典 😀😃😄 😀😃😄";
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto"),
SkString("Noto Color Emoji"),
SkString("Noto Serif CJK JP")});
text_style.setFontSize(10 * multiplier);
text_style.setLetterSpacing(0);
text_style.setWordSpacing(0);
text_style.setColor(SK_ColorBLACK);
text_style.setHeight(1);
builder.pushStyle(text_style);
builder.addText(text, strlen(text));
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(width());
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView11 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph11"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
auto text = "\U0001f469\U0000200D\U0001f469\U0000200D\U0001f466\U0001f469\U0000200D\U0001f469\U0000200D\U0001f467\U0000200D\U0001f467\U0001f1fa\U0001f1f8";
TextStyle text_style;
text_style.setFontFamilies({SkString("Ahem")});
text_style.setColor(SK_ColorBLACK);
text_style.setFontSize(60);
text_style.setLetterSpacing(0);
text_style.setWordSpacing(0);
ParagraphStyle paragraph_style;
paragraph_style.setTextStyle(text_style);
auto fontCollection = sk_make_sp<TestFontCollection>(GetResourcePath("fonts").c_str(), true, true);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
builder.addText(text, strlen(text));
auto paragraph = builder.Build();
paragraph->layout(1000);
paragraph->paint(canvas, 0, 0);
struct pair {
unsigned fX;
unsigned fY;
};
pair hit1[] =
{{ 0, 8},{1, 33}, {2, 34}, { 3, 19}, {4, 20},
{ 5, 21}, { 6, 22 }, { 7, 23 }, {8, 24 }, { 9, 25},
{ 10, 26}, { 11, 27}, {12, 28}, { 13, 21}, {14, 22 },
{ 15, 23}, {16, 24}, {17, 21}, { 18, 22}, {19, 21},
{ 20, 24}, { 21, 23}, };
pair miss[] =
{{ 0, 4},{1, 17}, {2, 18}, { 3, 11}, {4, 12},
{ 5, 13}, { 6, 14 }, { 7, 15 }, {8, 16 }, { 9, 17},
{ 10, 18}, { 11, 19}, {12, 20}, { 13, 17}, {14, 18 },
{ 15, 19}, {16, 20}, {17, 19}, { 18, 20},
{ 20, 22}, };
auto rects = paragraph->getRectsForRange(7, 9, RectHeightStyle::kTight, RectWidthStyle::kTight);
SkPaint paint;
paint.setColor(SK_ColorRED);
paint.setStyle(SkPaint::kStroke_Style);
paint.setAntiAlias(true);
paint.setStrokeWidth(1);
if (!rects.empty()) {
canvas->drawRect(rects[0].rect, paint);
}
for (auto& query : hit1) {
auto rects = paragraph->getRectsForRange(query.fX, query.fY, RectHeightStyle::kTight, RectWidthStyle::kTight);
if (rects.size() >= 1 && rects[0].rect.width() > 0) {
} else {
if (this->isVerbose()) {
SkDebugf("+[%d:%d): Bad\n", query.fX, query.fY);
}
}
}
for (auto& query : miss) {
auto miss = paragraph->getRectsForRange(query.fX, query.fY, RectHeightStyle::kTight, RectWidthStyle::kTight);
if (miss.empty()) {
} else {
if (this->isVerbose()) {
SkDebugf("-[%d:%d): Bad\n", query.fX, query.fY);
}
}
}
}
private:
using INHERITED = Sample;
};
class ParagraphView12 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph12"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
const char* text = "Atwater Peel Sherbrooke Bonaventure Angrignon Peel Côte-des-Neiges";
TextStyle text_style;
text_style.setFontFamilies({SkString("Ahem")});
text_style.setColor(SK_ColorBLACK);
text_style.setFontSize(16);
//text_style.setLetterSpacing(-0.41);
StrutStyle strut_style;
strut_style.setStrutEnabled(false);
ParagraphStyle paragraph_style;
paragraph_style.setStrutStyle(strut_style);
paragraph_style.setTextStyle(text_style);
ParagraphBuilderImpl builder(paragraph_style, getFontCollection());
builder.addText(text);
auto paragraph = builder.Build();
paragraph->layout(1095.000000);
auto result = paragraph->getRectsForRange(65, 66, RectHeightStyle::kTight, RectWidthStyle::kTight);
paragraph->paint(canvas, 0, 0);
SkPaint paint;
paint.setColor(SK_ColorRED);
paint.setStyle(SkPaint::kStroke_Style);
paint.setAntiAlias(true);
paint.setStrokeWidth(1);
if (!result.empty()) {
canvas->drawRect(result.front().rect, paint);
}
}
private:
using INHERITED = Sample;
};
class ParagraphView14 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph14"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
TextStyle text_style;
text_style.setFontFamilies({SkString("Ahem")});
text_style.setColor(SK_ColorBLACK);
text_style.setFontSize(25);
text_style.setDecoration((TextDecoration)(TextDecoration::kUnderline | TextDecoration::kOverline | TextDecoration::kLineThrough));
text_style.setDecorationColor(SK_ColorBLUE);
text_style.setDecorationStyle(TextDecorationStyle::kWavy);
text_style.setDecorationThicknessMultiplier(4.0f);
ParagraphStyle paragraph_style;
paragraph_style.setTextStyle(text_style);
paragraph_style.setTextDirection(TextDirection::kRtl);
ParagraphBuilderImpl builder(paragraph_style, getFontCollection());
builder.pushStyle(text_style);
builder.addText("Hello, wor!\nabcd.");
auto paragraph = builder.Build();
paragraph->layout(300);
paragraph->paint(canvas, 0, 0);
SkPaint paint;
paint.setColor(SK_ColorRED);
paint.setStyle(SkPaint::kStroke_Style);
paint.setAntiAlias(true);
paint.setStrokeWidth(1);
canvas->drawRect(SkRect::MakeXYWH(0, 0, 300, 100), paint);
}
private:
using INHERITED = Sample;
};
class ParagraphView15 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph15"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
TextStyle text_style;
text_style.setFontFamilies({SkString("abc.ttf")});
text_style.setFontSize(50);
auto fontCollection = sk_make_sp<TestFontCollection>(GetResourcePath("fonts").c_str(), false);
fontCollection->addFontFromFile("abc/abc.ttf", "abc");
fontCollection->addFontFromFile("abc/abc+grave.ttf", "abc+grave");
fontCollection->addFontFromFile("abc/abc+agrave.ttf", "abc+agrave");
ParagraphStyle paragraph_style;
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
text_style.setFontFamilies({SkString("abc"), SkString("abc+grave")});
text_style.setColor(SK_ColorBLUE);
builder.pushStyle(text_style);
builder.addText(u"a\u0300");
text_style.setColor(SK_ColorMAGENTA);
builder.pushStyle(text_style);
builder.addText(u"à");
text_style.setFontFamilies({SkString("abc"), SkString("abc+agrave")});
text_style.setColor(SK_ColorRED);
builder.pushStyle(text_style);
builder.addText(u"a\u0300");
text_style.setColor(SK_ColorGREEN);
builder.pushStyle(text_style);
builder.addText(u"à");
auto paragraph = builder.Build();
paragraph->layout(800);
paragraph->paint(canvas, 50, 50);
}
private:
using INHERITED = Sample;
};
class ParagraphView16 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph16"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
const char* text = "content";
ParagraphStyle paragraph_style;
paragraph_style.setMaxLines(1);
paragraph_style.setEllipsis(u"\u2026");
//auto fontCollection = sk_make_sp<TestFontCollection>(GetResourcePath("fonts").c_str(), false, true);
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString(".SF Pro Text")});
text_style.setColor(SK_ColorBLACK);
text_style.setFontSize(17.0f * 99.0f);
text_style.setLetterSpacing(0.41f);
builder.pushStyle(text_style);
builder.addText(text);
auto paragraph = builder.Build();
paragraph->layout(800);
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView17 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph17"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
auto navy = SkColorSetRGB(0, 0, 139);
auto ltgray = SkColorSetRGB(211, 211, 211);
auto multiplier = 5.67;
//const char* text = ">Sͬ͑̀͐̈͒̈́̋̎ͮͩ̽̓ͬ̂̆̔͗́̓ͣͧ͊ͫ͛̉͌̐̑ͪ͗̚͝҉̴͉͢k̡̊̓ͫͭͩ͂͊ͨͪͬ̑ͫ̍̌̄͛̌̂̑̂̋̊̔ͫ͛̽̑ͨ̍ͭ̓̀ͪͪ̉͐͗̌̓̃̚͟͝҉̢͏̫̞̙͇͖̮͕̗̟͕͇͚̻͈̣̻̪͉̰̲̣̫ͅͅP̴̅̍͒̿͗͗̇ͩ̃͆͌̀̽͏̧̡͕͖̝̖̼̺̰̣̬͔͖͔̼͙̞̦̫͓̘͜a̸̴̸̴̢̢̨̨̫͍͓̥̼̭̼̻̤̯̙̤̻̠͚̍̌͋̂ͦͨ̽̇͌͌͆̀̽̎͒̄ͪ̐ͦ̈ͫ͐͗̓̚̚͜ͅr͐͐ͤͫ̐ͥ͂̈́̿́ͮ̃͗̓̏ͫ̀̿͏̸̵̧́͘̕͟͝͠͞͠҉̷̧͚͢͟a̓̽̎̄͗̔͛̄̐͊͛ͫ͂͌̂̂̈̈̓̔̅̅̄͊̉́ͪ̑̄͆ͬ̍͆ͭ͋̐ͬ͏̷̵̨̢̩̹̖͓̥̳̰͔̱̬͖̙͓̙͇̀̀̕͜͟͟͢͟͜͠͡g̨̅̇ͦ͋̂ͦͨͭ̓͐͆̏̂͛̉ͧ̑ͫ̐̒͛ͫ̍̒͛́̚҉̷̨̛̛̀͜͢͞҉̩̘̲͍͎̯̹̝̭̗̱͇͉̲̱͔̯̠̹̥̻͉̲̜̤̰̪̗̺̖̺r̷͌̓̇̅ͭ̀̐̃̃ͭ͑͗̉̈̇̈́ͥ̓ͣ́ͤ͂ͤ͂̏͌̆̚҉̴̸̧̢̢̛̫͉̦̥̤̙͈͉͈͉͓̙̗̟̳̜͈̗̺̟̠̠͖͓̖̪͕̠̕̕͝ͅả̸̴̡̡̧͠͞͡͞҉̛̕͟͏̷̘̪̱͈̲͉̞̠̞̪̫͎̲̬̖̀̀͟͝͞͞͠p̛͂̈͐̚͠҉̵̸̡̢̢̩̹͙̯͖̙̙̮̥̙͚̠͔̥̭̮̞̣̪̬̥̠̖̝̥̪͎́̀̕͜͡͡ͅͅh̵̷̵̡̛ͤ̂͌̐̓̐̋̋͊̒̆̽́̀̀̀͢͠͞͞҉̷̸̢̕҉͚̯͖̫̜̞̟̠̱͉̝̲̹̼͉̟͉̩̮͔̤͖̞̭̙̹̬ͅ<";
const char* text = ">S͛ͭ̋͆̈̔̇͗̍͑̎ͪͮͧͣ̽ͫͣ́ͬ̀͌͑͂͗͒̍̔̄ͧ̏̉̌̊̊̿̀̌̃̄͐̓̓̚̚҉̵̡͜͟͝͠͏̸̵̡̧͜҉̷̡͇̜̘̻̺̘̟̝͙̬̘̩͇̭̼̥̖̤̦͎k͉̩̘͚̜̹̗̗͍̤̥̱͉̳͕͖̤̲̣͚̮̞̬̲͍͔̯̻̮̞̭͈̗̫͓̂ͨ̉ͪ̒͋͛̀̍͊ͧ̿̅͆̓̔̔ͬ̇̑̿ͩ͗ͮ̎͌̿̄ͅP̴̵̡̡̛̪͙̼̣̟̩̭̫̱͙̬͔͉͍̘̠͉̦̝̘̥̟̗͖̫̤͕̙̬̦͍̱̖̮̱͑͐̎̃̒͐͋̚͘͞a̶̶̵̵̵̶̶̡̧̢̢̺͔̣͖̭̺͍̤͚̱̜̰̥͕̬̥̲̞̥̘͇͚̺̰͚̪̺͔̤͍̓̿͆̎͋̓ͦ̈́ͦ̌́̄͗̌̓͌̕͜͜͟͢͝͡ŕ͎̝͕͉̻͎̤̭͚̗̳̖̙̘͚̫͖͓͚͉͔͈̟̰̟̬̗͓̟͚̱̕͡ͅͅͅa̸̶̢̛̛̽ͮͩ̅͒ͫ͗͂̎ͦ̈́̓̚͘͜͢͡҉̷̵̶̢̡̜̮̦̜̥̜̯̙͓͔̼̗̻͜͜ͅḡ̢̛͕̗͖̖̤̦̘͔ͨͨ̊͒ͩͭͤ̍̅̃ͪ̋̏̓̍̋͗̋ͨ̏̽̈́̔̀̋̉ͫ̅̂ͭͫ̏͒͋ͥ̚͜r̶̢̧̧̥̤̼̀̂̒ͪ͌̿͌̅͛ͨͪ͒̍ͥ̉ͤ̌̿̆́ͭ͆̃̒ͤ͛̊ͧ̽͘͝͠a̧̢̧̢͑͑̓͑ͮ̃͂̄͛́̈́͋̂͌̽̄͒̔́̇ͨͧͭ͐ͦ̋ͨ̍ͦ̍̋͆̔ͧ͑͋͌̈̓͛͛̚͢͜͜͏̴̢̧̛̳͍̹͚̰̹̻͔p̨̡͆ͦͣ͊̽̔͂̉ͣ̔ͣ̌̌̉̃̋̂͒ͫ̄̎̐͗̉̌̃̽̽́̀̚͘͜͟҉̱͉h̭̮̘̗͔̜̯͔͈̯̺͔̗̣̭͚̱̰̙̼̹͚̣̻̥̲̮͍̤͜͝<";
ParagraphStyle paragraph_style;
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
SkPaint paint;
paint.setColor(ltgray);
TextStyle text_style;
text_style.setBackgroundColor(paint);
text_style.setColor(navy);
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(20 * multiplier);
builder.pushStyle(text_style);
builder.addText(text);
auto paragraph = builder.Build();
paragraph->layout(10000);
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class Zalgo {
private:
std::u16string COMBINING_DOWN = u"\u0316\u0317\u0318\u0319\u031c\u031d\u031e\u031f\u0320\u0324\u0325\u0326\u0329\u032a\u032b\u032c\u032d\u032e\u032f\u0330\u0331\u0332\u0333\u0339\u033a\u033b\u033c\u0345\u0347\u0348\u0349\u034d\u034e\u0353\u0354\u0355\u0356\u0359\u035a\u0323";
std::u16string COMBINING_UP = u"\u030d\u030e\u0304\u0305\u033f\u0311\u0306\u0310\u0352\u0357\u0351\u0307\u0308\u030a\u0342\u0343\u0344\u034a\u034b\u034c\u0303\u0302\u030c\u0350\u0300\u0301\u030b\u030f\u0312\u0313\u0314\u033d\u0309\u0363\u0364\u0365\u0366\u0367\u0368\u0369\u036a\u036b\u036c\u036d\u036e\u035b\u0346\u031a";
std::u16string COMBINING_MIDDLE = u"\u0315\u031b\u0340\u0341\u0358\u0321\u0322\u0327\u0328\u0334\u0335\u0336\u034f\u035c\u035d\u035e\u035f\u0360\u0362\u0338\u0337\u0361\u0489";
std::u16string randomMarks(std::u16string& combiningMarks) {
std::u16string result;
auto num = std::rand() % (combiningMarks.size() / 1);
for (size_t i = 0; i < num; ++i) {
auto index = std::rand() % combiningMarks.size();
result += combiningMarks[index];
}
return result;
}
public:
std::u16string zalgo(std::string victim) {
std::u16string result;
for (auto& c : victim) {
result += c;
result += randomMarks(COMBINING_UP);
result += randomMarks(COMBINING_MIDDLE);
result += randomMarks(COMBINING_DOWN);
}
return result;
}
};
class ParagraphView18 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph18"); }
bool onChar(SkUnichar uni) override {
switch (uni) {
case ' ':
fLimit = 400;
return true;
case 's':
fLimit += 10;
return true;
case 'f':
if (fLimit > 10) {
fLimit -= 10;
}
return true;
default:
break;
}
return false;
}
bool onAnimate(double nanos) override {
if (++fIndex > fLimit) {
fRedraw = true;
fIndex = 0;
} else {
fRepeat = true;
}
return true;
}
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
auto navy = SkColorSetRGB(0, 0, 139);
auto ltgray = SkColorSetRGB(211, 211, 211);
auto multiplier = 5.67;
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
ParagraphStyle paragraph_style;
TextStyle text_style;
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(20 * multiplier);
text_style.setColor(navy);
SkPaint paint;
paint.setColor(ltgray);
text_style.setBackgroundColor(paint);
Zalgo zalgo;
if (fRedraw || fRepeat) {
if (fRedraw || fParagraph == nullptr) {
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
builder.pushStyle(text_style);
auto utf16text = zalgo.zalgo("SkParagraph");
builder.addText(utf16text);
fParagraph = builder.Build();
}
auto impl = static_cast<ParagraphImpl*>(fParagraph.get());
if (this->isVerbose()) {
SkDebugf("Text:>%s<\n", impl->text().data());
}
impl->setState(InternalState::kUnknown);
fParagraph->layout(1000);
fParagraph->paint(canvas, 300, 200);
for (auto& run : impl->runs()) {
SkString fontFamily("unresolved");
if (run.font().getTypeface() != nullptr) {
run.font().getTypeface()->getFamilyName(&fontFamily);
}
if (run.font().getTypeface() != nullptr) {
for (size_t i = 0; i < run.size(); ++i) {
auto glyph = run.glyphs().begin() + i;
if (*glyph == 0) {
//SkDebugf("Run[%d] @pos=%d\n", run.index(), i);
}
}
} else {
//SkDebugf("Run[%d]: %s\n", run.index(), fontFamily.c_str());
}
}
fRedraw = false;
fRepeat = false;
}
}
private:
bool fRedraw = true;
bool fRepeat = false;
size_t fIndex = 0;
size_t fLimit = 20;
std::unique_ptr<Paragraph> fParagraph;
using INHERITED = Sample;
};
class ParagraphView19 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph19"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
auto fontCollection = sk_make_sp<TestFontCollection>(GetResourcePath("fonts").c_str(), false, true);
std::u16string text = u"\u0068\u0301\u0350\u0312\u0357\u030C\u0369\u0305\u036C\u0304\u0310\u033F\u0366\u0350\u0343\u0364\u0369\u0311\u0309\u030E\u0365\u031B\u0340\u0337\u0335\u035E\u0334\u0328\u0360\u0360\u0315\u035F\u0340\u0340\u0362\u0360\u0322\u031B\u031B\u0337\u0340\u031E\u031F\u032A\u0331\u0345\u032F\u0332\u032E\u0333\u0353\u0320\u0345\u031C\u031F\u033C\u0325\u0355\u032C\u0325\u033Aa\u0307\u0312\u034B\u0308\u0312\u0346\u0313\u0346\u0304\u0307\u0344\u0305\u0342\u0368\u0346\u036A\u035B\u030F\u0365\u0307\u0340\u0328\u0322\u0361\u0489\u034F\u0328\u0334\u035F\u0335\u0362\u0489\u0360\u0358\u035E\u0360\u035D\u0341\u0337\u0337\u032E\u0326\u032D\u0359\u0318\u033C\u032F\u0333\u035A\u034D\u0319\u031C\u0353\u033C\u0345\u0359\u0331\u033B\u0331\u033C";
ParagraphStyle paragraph_style;
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(20);
builder.pushStyle(text_style);
builder.addText(text);
auto paragraph = builder.Build();
paragraph->layout(this->width());
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView20 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph20"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
auto fontCollection = sk_make_sp<TestFontCollection>(GetResourcePath("fonts").c_str(), false, true);
const char* text = "Manage your google account";
ParagraphStyle paragraph_style;
paragraph_style.setEllipsis(u"\u2026");
paragraph_style.setMaxLines(1);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(50);
builder.pushStyle(text_style);
builder.addText(text);
auto paragraph = builder.Build();
paragraph->layout(this->width());
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView21 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph21"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
const char* text = "Referral Code";
ParagraphStyle paragraph_style;
ParagraphBuilderImpl builder(paragraph_style, getFontCollection());
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Google Sans")});
text_style.setFontSize(24);
builder.pushStyle(text_style);
builder.addText(text);
auto paragraph = builder.Build();
paragraph->layout(0);
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView22 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph22"); }
bool onChar(SkUnichar uni) override {
switch (uni) {
case 'l':
direction = true;
return true;
case 'r':
direction = false;
return true;
default:
break;
}
return false;
}
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
ParagraphStyle paragraph_style;
paragraph_style.setTextDirection(direction ? TextDirection::kLtr : TextDirection::kRtl);
auto collection = getFontCollection();
ParagraphBuilderImpl builder(paragraph_style, collection);
collection->getParagraphCache()->reset();
collection->getParagraphCache()->turnOn(false);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(12);
builder.pushStyle(text_style);
builder.addText("I have got a ");
text_style.setFontStyle(SkFontStyle::Bold());
builder.pushStyle(text_style);
builder.addText("lovely bunch");
text_style.setFontStyle(SkFontStyle::Normal());
builder.pushStyle(text_style);
builder.addText(" of coconuts.");
auto paragraph = builder.Build();
paragraph->layout(this->width());
paragraph->paint(canvas, 0, 0);
collection->getParagraphCache()->turnOn(true);
}
private:
using INHERITED = Sample;
bool direction;
};
class ParagraphView23 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph23"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
const char* text = "Text with shadow";
ParagraphStyle paragraph_style;
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Google Sans")});
text_style.setFontSize(24);
auto draw = [&](SkScalar h, SkScalar v, SkScalar b) {
text_style.resetShadows();
text_style.addShadow(TextShadow(SK_ColorBLACK, SkPoint::Make(h, v), b));
ParagraphBuilderImpl builder(paragraph_style, getFontCollection());
builder.pushStyle(text_style);
builder.addText(text);
auto paragraph = builder.Build();
paragraph->layout(300);
paragraph->paint(canvas, 0, 0);
auto rect = SkRect::MakeXYWH(0, 0, paragraph->getMaxWidth(), paragraph->getHeight());
SkPaint paint;
paint.setColor(SK_ColorRED);
paint.setStyle(SkPaint::kStroke_Style);
paint.setAntiAlias(true);
paint.setStrokeWidth(1);
canvas->drawRect(rect, paint);
};
draw(10, 10, 5);
canvas->translate(0, 100);
draw(10, -10, 5);
canvas->translate(0, 100);
draw(-10, -10, 5);
canvas->translate(0, 100);
draw(-10, 10, 5);
canvas->translate(0, 100);
}
private:
using INHERITED = Sample;
};
class ParagraphView24 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph24"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
ParagraphStyle paragraph_style;
paragraph_style.setTextDirection(TextDirection::kRtl);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Google Sans")});
text_style.setFontSize(24);
{
ParagraphBuilderImpl builder(paragraph_style, getFontCollection());
builder.pushStyle(text_style);
builder.addText("Right_to_left:");
auto paragraph = builder.Build();
paragraph->layout(this->width());
paragraph->paint(canvas, 0, 0);
}
canvas->translate(0, 200);
{
ParagraphBuilderImpl builder(paragraph_style, getFontCollection());
builder.pushStyle(text_style);
builder.addText("Right_to_left+");
auto paragraph = builder.Build();
paragraph->layout(this->width());
paragraph->paint(canvas, 0, 0);
}
canvas->translate(0, 200);
{
ParagraphBuilderImpl builder(paragraph_style, getFontCollection());
builder.pushStyle(text_style);
builder.addText("Right_to_left.");
auto paragraph = builder.Build();
paragraph->layout(this->width());
paragraph->paint(canvas, 0, 0);
}
}
private:
using INHERITED = Sample;
};
class ParagraphView25 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph25"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
/*
* Shell: ParagraphStyle: 1.000000 1
Shell: Strut enabled: 0 1.000000 14.000000 400 5 0
Shell: Font Families: 0
Shell: DefaultTextStyle: 16.000000 500 5 0
Shell: Font Families: 1 Roboto
Shell: Font Features: 0
Shell: TextStyle#0: [0:22) 16.000000 500 5 0
Shell: Font Families: 1 Roboto
Shell: Font Features: 0
Shell: TextStyle#1: [25:49) 16.000000 500 5 0
Shell: Font Families: 1 Roboto
Shell: Font Features: 0
Shell: Placeholder#0: [22:25) 32.000000 32.000000 32.000000 0 5
Shell: Placeholder#1: [49:52) 19.000000 41.000000 19.000000 0 4
Shell: Placeholder#2: [52:52) 0.000000 0.000000 0.000000 0 5
Shell: layout('Go to device settings  and set up a passcode. ', 280.000000): 280.000000 * 38.000000
*/
auto fontCollection = getFontCollection();
//fontCollection->getParagraphCache()->turnOn(false);
const char* text1 = "Go to device settings ";
const char* text2 = "and set up a passcode.";
ParagraphStyle paragraph_style;
StrutStyle strut_style;
strut_style.setStrutEnabled(false);
strut_style.setFontSize(14);
strut_style.setForceStrutHeight(false);
strut_style.setHeight(14);
paragraph_style.setStrutStyle(strut_style);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(16);
PlaceholderStyle placeholder_style;
{
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
builder.pushStyle(text_style);
builder.addText(text1);
placeholder_style.fHeight = 32;
placeholder_style.fWidth = 32;
placeholder_style.fBaselineOffset = 32;
placeholder_style.fBaseline = TextBaseline::kAlphabetic;
placeholder_style.fAlignment = PlaceholderAlignment::kMiddle;
builder.addPlaceholder(placeholder_style);
builder.addText(text2);
placeholder_style.fHeight = 19;
placeholder_style.fWidth = 41;
placeholder_style.fBaselineOffset = 19;
placeholder_style.fBaseline = TextBaseline::kAlphabetic;
placeholder_style.fAlignment = PlaceholderAlignment::kTop;
builder.addPlaceholder(placeholder_style);
auto paragraph = builder.Build();
paragraph->layout(280);
paragraph->paint(canvas, 0, 0);
}
}
private:
using INHERITED = Sample;
};
class ParagraphView26 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph26"); }
void onDrawContent(SkCanvas* canvas) override {
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
//fontCollection->enableFontFallback();
canvas->clear(SK_ColorWHITE);
SkPaint paint;
paint.setAntiAlias(true);
paint.setColor(SK_ColorBLACK);
TextStyle textStyle;
textStyle.setForegroundColor(paint);
textStyle.setFontFamilies({ SkString("Roboto") });
textStyle.setFontSize(42.0f);
textStyle.setLetterSpacing(-0.05f);
textStyle.setHeightOverride(true);
ParagraphStyle paragraphStyle;
paragraphStyle.setTextStyle(textStyle);
paragraphStyle.setTextAlign(TextAlign::kLeft);
ParagraphBuilderImpl builder(paragraphStyle, fontCollection);
builder.addText(u"Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam ut dolor ornare, fermentum nibh in, consectetur libero. Ut id semper est. Sed malesuada, est id bibendum egestas, urna risus tristique nibh, euismod interdum risus turpis nec purus. Maecenas dolor nisl, consectetur in vestibulum et, tincidunt id leo. Duis maximus, odio eget tristique commodo, lacus tellus dapibus leo, consequat pellentesque arcu nisi sit amet diam. Quisque euismod venenatis egestas. Mauris posuere volutpat iaculis. Suspendisse finibus tempor urna, dignissim venenatis sapien finibus eget. Donec interdum lacus ac venenatis fringilla. Curabitur eget lacinia augue. Vestibulum eu vulputate odio. Quisque nec imperdiet");
auto paragraph = builder.Build();
paragraph->layout(this->width() / 2);
std::vector<LineMetrics> lines;
paragraph->getLineMetrics(lines); // <-- error happens here
canvas->translate(10, 10);
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView27 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph27"); }
void onDrawContent(SkCanvas* canvas) override {
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
fontCollection->getParagraphCache()->turnOn(false);
SkPaint red;
red.setColor(SK_ColorRED);
red.setStyle(SkPaint::kStroke_Style);
red.setAntiAlias(true);
red.setStrokeWidth(1);
SkPaint blue;
blue.setColor(SK_ColorRED);
blue.setStyle(SkPaint::kStroke_Style);
blue.setAntiAlias(true);
blue.setStrokeWidth(1);
SkPaint black;
black.setColor(SK_ColorBLACK);
black.setStyle(SkPaint::kStroke_Style);
black.setAntiAlias(true);
black.setStrokeWidth(1);
SkPaint whiteSpaces;
whiteSpaces.setColor(SK_ColorLTGRAY);
SkPaint breakingSpace;
breakingSpace.setColor(SK_ColorYELLOW);
SkPaint text;
text.setColor(SK_ColorWHITE);
ParagraphStyle paragraph_style;
paragraph_style.setTextAlign(TextAlign::kRight);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Roboto")});
// RTL + right align + arabic
// RTL + right align + latin
// LTR + right align + arabic
// LTR + right align + latin
// RTL + left align + arabic
// RTL + left align + latin
// arabic and latin should not differ at all
// check: line breaking and trailing spaces
canvas->drawColor(SK_ColorWHITE);
auto h = 60;
auto w = 300;
auto draw = [&](SkScalar width, SkScalar height, TextDirection td, TextAlign ta, const char* t) {
if (this->isVerbose()) {
SkDebugf("draw '%s' dir:%s align:%s\n", t,
td == TextDirection::kLtr ? "left" : "right",
ta == TextAlign::kLeft ? "left" : "right");
}
paragraph_style.setTextDirection(td);
paragraph_style.setTextAlign(ta);
text_style.setFontSize(20);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
text_style.setBackgroundColor(whiteSpaces);
builder.pushStyle(text_style);
builder.addText(" ");
text_style.setBackgroundColor(text);
builder.pushStyle(text_style);
builder.addText(t);
text_style.setBackgroundColor(breakingSpace);
builder.pushStyle(text_style);
builder.addText(" ");
text_style.setBackgroundColor(text);
builder.pushStyle(text_style);
builder.addText(t);
text_style.setBackgroundColor(whiteSpaces);
builder.pushStyle(text_style);
builder.addText(" ");
auto paragraph = builder.Build();
paragraph->layout(width);
paragraph->paint(canvas, 0, 0);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
for (auto& line : impl->lines()) {
if (this->isVerbose()) {
SkDebugf("line[%d]: %f + %f\n", &line - impl->lines().begin(), line.offset().fX, line.shift());
}
line.iterateThroughVisualRuns(true,
[&](const Run* run, SkScalar runOffset, TextRange textRange, SkScalar* width) {
*width = line.measureTextInsideOneRun(textRange, run, runOffset, 0, true, false).clip.width();
if (this->isVerbose()) {
SkDebugf("%d[%d: %d) @%f + %f %s\n", run->index(),
textRange.start, textRange.end, runOffset, *width, run->leftToRight() ? "left" : "right");
}
return true;
});
}
auto boxes = paragraph->getRectsForRange(0, 100, RectHeightStyle::kTight, RectWidthStyle::kTight);
bool even = true;
for (auto& box : boxes) {
if (this->isVerbose()) {
SkDebugf("[%f:%f,%f:%f] %s\n",
box.rect.fLeft, box.rect.fRight, box.rect.fTop, box.rect.fBottom,
box.direction == TextDirection::kLtr ? "left" : "right");
}
canvas->drawRect(box.rect, even ? red : blue);
even = !even;
}
canvas->translate(0, height);
};
canvas->drawRect(SkRect::MakeXYWH(0, 0, w, h * 8), black);
draw(w, h, TextDirection::kRtl, TextAlign::kRight, "RTL+RIGHT#1234567890");
draw(w, h, TextDirection::kRtl, TextAlign::kRight, "قففغغغغقففغغغغقففغغغ");
draw(w, h, TextDirection::kLtr, TextAlign::kRight, "LTR+RIGHT#1234567890");
draw(w, h, TextDirection::kLtr, TextAlign::kRight, "قففغغغغقففغغغغقففغغغ");
draw(w, h, TextDirection::kRtl, TextAlign::kLeft, "RTL+LEFT##1234567890");
draw(w, h, TextDirection::kRtl, TextAlign::kLeft, "قففغغغغقففغغغغقففغغغ");
draw(w, h, TextDirection::kLtr, TextAlign::kLeft, "LTR+LEFT##1234567890");
draw(w, h, TextDirection::kLtr, TextAlign::kLeft, "قففغغغغقففغغغغقففغغغ");
}
private:
using INHERITED = Sample;
};
class ParagraphView28 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph28"); }
void onDrawContent(SkCanvas* canvas) override {
const char* text = "AAAAA BBBBB CCCCC DDDDD EEEEE FFFFF GGGGG HHHHH IIIII JJJJJ KKKKK LLLLL MMMMM NNNNN OOOOO PPPPP QQQQQ";
canvas->drawColor(SK_ColorWHITE);
ParagraphStyle paragraph_style;
paragraph_style.setTextAlign(TextAlign::kJustify);
auto collection = getFontCollection();
ParagraphBuilderImpl builder(paragraph_style, collection);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(40);
builder.pushStyle(text_style);
builder.addText(text);
auto paragraph = builder.Build();
auto s = 186;
paragraph->layout(360 - s);
paragraph->paint(canvas, 0, 0);
/*
paragraph->layout(360);
paragraph->paint(canvas, 0, 0);
canvas->translate(0, 400);
paragraph->layout(354.333);
paragraph->paint(canvas, 0, 0);
*/
}
private:
using INHERITED = Sample;
};
class ParagraphView29 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph29"); }
void onDrawContent(SkCanvas* canvas) override {
const char* text = "ffi";
canvas->drawColor(SK_ColorWHITE);
auto collection = getFontCollection();
ParagraphStyle paragraph_style;
ParagraphBuilderImpl builder(paragraph_style, collection);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(60);
builder.pushStyle(text_style);
builder.addText(text);
auto paragraph = builder.Build();
paragraph->layout(width());
paragraph->paint(canvas, 0, 0);
auto width = paragraph->getLongestLine();
auto height = paragraph->getHeight();
auto f1 = paragraph->getGlyphPositionAtCoordinate(width/6, height/2);
auto f2 = paragraph->getGlyphPositionAtCoordinate(width/2, height/2);
auto i = paragraph->getGlyphPositionAtCoordinate(width*5/6, height/2);
if (this->isVerbose()) {
SkDebugf("%d(%s) %d(%s) %d(%s)\n",
f1.position, f1.affinity == Affinity::kUpstream ? "up" : "down",
f2.position, f2.affinity == Affinity::kUpstream ? "up" : "down",
i.position, i.affinity == Affinity::kUpstream ? "up" : "down");
auto f1 = paragraph->getRectsForRange(0, 1, RectHeightStyle::kTight, RectWidthStyle::kTight);
if (f1.empty()) {
SkDebugf("F1 is empty\n");
} else {
auto rf1 = f1[0];
SkDebugf("f1: [%f:%f] %s\n",
rf1.rect.fLeft, rf1.rect.fRight, rf1.direction == TextDirection::kRtl ? "rtl" : "ltr");
}
auto f2 = paragraph->getRectsForRange(1, 2, RectHeightStyle::kTight, RectWidthStyle::kTight);
if (f2.empty()) {
SkDebugf("F2 is empty\n");
} else {
auto rf2 = f2[0];
SkDebugf("f2: [%f:%f] %s\n",
rf2.rect.fLeft, rf2.rect.fRight, rf2.direction == TextDirection::kRtl ? "rtl" : "ltr");
}
auto fi = paragraph->getRectsForRange(2, 3, RectHeightStyle::kTight, RectWidthStyle::kTight);
if (fi.empty()) {
SkDebugf("FI is empty\n");
} else {
auto rfi = fi[0];
SkDebugf("i: [%f:%f] %s\n",
rfi.rect.fLeft, rfi.rect.fRight, rfi.direction == TextDirection::kRtl ? "rtl" : "ltr");
}
}
}
private:
using INHERITED = Sample;
};
class ParagraphView30 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph30"); }
void onDrawContent(SkCanvas* canvas) override {
const std::u16string text = //u"\U0001f600\U0001f1e6\U0001f1f9\U0001f601\U0001f9f1\U0001f61a\U0001f431\U0001f642\U0001f38e\U0001f60d\U0001f3b9\U0001f917\U0001f6bb\U0001f609\U0001f353\U0001f618\U0001f1eb\U0001f1f0\U0001f468\u200D\U0001f469\u200D\U0001f466\u200D\U0001f466\U0001f468\u200D\U0001f469\u200D\U0001f467\u200D\U0001f466\U0001f468\u200D\U0001f469\u200D\U0001f467\U0001f46a";
u"\U0001f469\u200D\U0001f469\u200D\U0001f466\U0001f469\u200D\U0001f469\u200D\U0001f467\u200D\U0001f467\U0001f1fa\U0001f1f8";
canvas->drawColor(SK_ColorWHITE);
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
ParagraphStyle paragraph_style;
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
//text_style.setFontFamilies({SkString("Noto Color Emoji")});
text_style.setFontFamilies({SkString("Ahem")});
text_style.setFontSize(14);
builder.pushStyle(text_style);
builder.addText(text);
auto paragraph = builder.Build();
paragraph->layout(width());
paragraph->paint(canvas, 0, 0);
std::pair<size_t, size_t> rects[] = {
{ 0, 2}, { 0, 4}, {0, 8},
{23, 25}, {23, 27}, {23, 31}, {23, 39}, {23, 55}, {21, 23},
{1, 3}, {1, 5}, {1, 9}, {1, 17}, {1, 33},
{ 2, 4}, {2, 6}, {2, 10}, {2, 18}, {2, 34},
{3, 5}, {3, 7}, {3, 11}, {3, 19},
{4, 6}, {4, 8}, {4, 12}, {4, 20},
{5, 7}, {5, 9}, {5, 13}, {5, 21},
{6, 8}, {6, 10}, {6, 14}, {6, 22},
{7, 9}, {7, 11}, {7, 15}, {7, 23},
{8, 10}, {8, 12}, {8, 16}, {8,24},
{9, 11}, {9, 13}, {9, 17}, {9, 25},
{10, 12}, {10, 14}, {10, 18}, {10, 26},
{11, 13}, {11, 15}, {11, 19}, {11, 27},
{12, 14}, {12, 16}, {12, 20}, {12, 28},
{13, 15}, {13, 17}, {13, 21},
{14, 16}, {14, 18}, {14, 22},
{15, 17}, {15, 19}, {15, 23},
{16, 18}, {16, 20}, {16, 24},
{17, 19}, {17, 21},
{18, 20}, {18, 22},
{19, 21},
{20, 22}, {20, 24},
{21, 23},
{22, 24}, {22, 26}, {22, 30}, {22, 38}, {22, 54},
{20, 22},
{18, 22},
};
for (auto rect: rects) {
auto results = paragraph->getRectsForRange(rect.first, rect.second, RectHeightStyle::kTight, RectWidthStyle::kTight);
SkDebugf("[%d : %d) ", rect.first, rect.second);
if (!results.empty()) {
SkASSERT(results.size() == 1);
SkDebugf("[%f : %f]\n", results[0].rect.fLeft,results[0].rect.fRight);
}
}
}
private:
using INHERITED = Sample;
};
class ParagraphView31 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph31"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
ParagraphStyle paragraph_style;
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(40);
builder.pushStyle(text_style);
auto s = u"েن েূথ";
builder.addText(s);
auto paragraph = builder.Build();
paragraph->layout(width());
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView32 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph32"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
ParagraphStyle paragraph_style;
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(40);
text_style.setLocale(SkString("ko"));
builder.pushStyle(text_style);
builder.addText(u"\u904d ko ");
text_style.setLocale(SkString("zh_Hant"));
builder.pushStyle(text_style);
builder.addText(u"\u904d zh-Hant ");
text_style.setLocale(SkString("zh_Hans"));
builder.pushStyle(text_style);
builder.addText(u"\u904d zh-Hans ");
text_style.setLocale(SkString("zh_HK"));
builder.pushStyle(text_style);
builder.addText(u"\u904d zh-HK ");
auto paragraph = builder.Build();
paragraph->layout(width());
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView33 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph33"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
ParagraphStyle paragraph_style;
paragraph_style.setTextAlign(TextAlign::kJustify);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Roboto"), SkString("Noto Color Emoji")});
text_style.setFontSize(36);
builder.pushStyle(text_style);
builder.addText(u"AAAAA \U0001f600 BBBBB CCCCC DDDDD EEEEE");
auto paragraph = builder.Build();
paragraph->layout(width() / 2);
SkPaint paint;
paint.setColor(SK_ColorLTGRAY);
canvas->drawRect(SkRect::MakeXYWH(0, 0, width()/2, paragraph->getHeight()), paint);
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView34 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph34"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
auto text = "ضخمة ص ،😁😂🤣ضضض ؤ،،😗😗😍😋شسي،😗😁😁ؤرى،😗😃😄😍ببب،🥰😅🥰🥰🥰ثيلااتن";
//auto text = "ى،😗😃😄😍بب";
//auto text1 = "World domination is such an ugly phrase - I prefer to call it world optimisation";
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
ParagraphStyle paragraph_style;
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Noto Color Emoji")});
text_style.setFontSize(50);
builder.pushStyle(text_style);
builder.addText(text);
auto paragraph = builder.Build();
paragraph->layout(1041); // 1041
SkColor colors[] = {SK_ColorBLUE, SK_ColorCYAN, SK_ColorLTGRAY, SK_ColorGREEN,
SK_ColorRED, SK_ColorWHITE, SK_ColorYELLOW, SK_ColorMAGENTA };
SkPaint paint;
size_t wordPos = 0;
size_t index = 0;
while (wordPos < 72) {
auto res2 = paragraph->getWordBoundary(wordPos);
if (res2.width() == 0) {
break;
}
wordPos = res2.end;
auto res3 = paragraph->getRectsForRange(
res2.start, res2.end,
RectHeightStyle::kTight, RectWidthStyle::kTight);
paint.setColor(colors[index % 8]);
++index;
if (!res3.empty()) {
canvas->drawRect(res3[0].rect, paint);
}
}
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView35 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph35"); }
Click* onFindClickHandler(SkScalar x, SkScalar y, skui::ModifierKey modi) override {
return new Click;
}
bool onClick(Click* click) override {
fPoint = click->fCurr;
return true;
}
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
auto text = u"hzbzzj sjsjjs sjkkahgafa\u09A4\u09A1\u09A4\u09A0\u09A4\u09A0 jsjzjgvsh sjsjsksbsbsjs sjjajajahhav jssjbxx jsisudg \u09AF\u09A0\u09AF\u09A0\u09A4\u09A0\u09A4\u09A0\u09A5 \u062A\u0624\u062A\u064A\u0646\u0646\u064A\u0621\u0646\u0627\u0644\u0631\u0631\u064A\u0644\u0627 \u062A\u062A\u0644\u0649 \u062A\u0627\u0631\u064A\u062E \u062A\u0633\u0628\u0628 \u0624\u062A\u064A\u062A\u0624\u062A\u0624\u062A\u0624\u062A\u0624 dhishsbs \u7238\u7238\u4E0D\u5BF9\u52B2\u5927\u5BB6\u90FD\u597D\u8BB0\u5F97\u8BB0\u5F97hshs\u099B\u09A1\u099B\u09A1\u099A jdjdj jdjdjd dbbdbdbdbddbnd\u09A2\u099B\u09A1\u09A2\u09A3\u099B\u09B0\u099A\u0998\u09A0\u09A0\u09B8\u09AB\u0997\u09A3\u09A4\u099C\u09B0\u09A5\u099B\u099B\u09A5\u09A6\u099D\u09A6\u09B2\u09A5\u09A4\u09A3\u09A2\u0997\u0996\u09A0\u0998\u0999\u09A3\u099A\u09A5\u09A4\u09A3\u062A\u0628\u0646\u064A\u0646 \u09A5\u09A3\u09A3 \u09A4\u0998\u0998\u0998\u099B\u09A4 \u09A4\u09A3 \u09A3\u0998\u09A2\u09A3\u0999\u0648\u064A\u0648\u0621\u062A\u064A\u0632\u0633\u0646\u0632\u0624\u0624\u0645\u0645\u0624\u0648\u0624\u0648\u0648\u064A\u0646\u0624\u0646\u0624\u0646\u0624\u0624 \u09A4\u09A4\u09A2\u09A2\u09A4\u09A4 \u0999\u0998\u0997\u09C1\u099B\u09A5 \u09A4\u0997\u0998\u09A3\u099A\u099C\u09A6\u09A5\u0632\u0624\u0648\u0624\u0648\u0624 \u09A4\u09A4\u09A3\u0998\u09A2\u09A4\u099B\u09A6\u09A5\u09A4\u0999\u0998\u09A3 \u0648\u0624\u0648\u0624\u0648\u0624\u0632\u0624\u0646\u0633\u0643\u0633\u0643\u0628\u0646\u09A4\u09AD\u0996\u0996\u099F\u09C0\u09C1\u099B\u09A6\u09C0\u09C1\u09C2\u09C7\u0648\u0624\u0646\u0621\u0646\u0624\u0646 \u09C7\u09C2\u09C0\u09C2\u099A\u09A3\u09A2\u09A4\u09A5\u09A5\u0632\u064A\u09C7\u09C2\u09C0\u09C2\u099A\u09A3\u09A2\u09AE\u09A4\u09A5\u09A5 \U0001f34d\U0001f955\U0001f4a7\U0001f4a7\U0001f4a6\U0001f32a";
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
ParagraphStyle paragraph_style;
//paragraph_style.setTextAlign(TextAlign::kJustify);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Roboto"), SkString("Noto Color Emoji")});
text_style.setFontSize(40);
builder.pushStyle(text_style);
builder.addText(text);
auto paragraph = builder.Build();
paragraph->layout(width());//758
//auto res1 = paragraph->getGlyphPositionAtCoordinate(line.width() + line.spacesWidth() / 2, line.offset().fY + 10);
//auto res2 = paragraph->getWordBoundary(res1.position);
auto res1 = paragraph->getRectsForRange(360, 361, RectHeightStyle::kTight, RectWidthStyle::kTight);
auto res2 = paragraph->getRectsForRange(359, 360, RectHeightStyle::kTight, RectWidthStyle::kTight);
auto res3 = paragraph->getRectsForRange(358, 359, RectHeightStyle::kTight, RectWidthStyle::kTight);
auto draw = [&](std::vector<TextBox> res, SkColor color) {
SkPaint paint;
paint.setColor(color);
for (auto& r : res) {
canvas->drawRect(r.rect, paint);
}
};
draw(res1, SK_ColorRED);
draw(res2, SK_ColorGREEN);
draw(res3, SK_ColorBLUE);
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
SkPoint fPoint;
};
class ParagraphView36 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph36"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
auto text = "String is too big for WinMSVC";
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九没谁妹友那一 很六一 我谁她什识那系的名的 بدخهكرذصظصمز য়৶পঃএ্আৰকঠউ ত৪পৎপ৯দৠ৹ন৶ ডি৭ঔঈঌঢ়৴৯ হঞৣঀঁঔঃৡইদন زهجوجتفعشعد bfzzr رسظص صجثثخجطحذصف 港九字姐个对见王英 ৬ফৈৡফধ১৶ঀঁয 四那也哥哥北人想息地息中这 ظبجت حشلنجيثبسقزق pcsokgdnig 二儿名哪朋这岛 ظأبحتطجززفمظهأ gklldxymoywh kxdlbblefgsc يكهحنزث 海可岛也没 যঙঐখরখগ৬োটতঊটড صقزنهصغصع 去小六生关一东英 gevolgmqrnw xwzpwlwetndtvv جأ 很上哥可西 زق صطعزثنأعزدلق أود 二安系吧名 ূড়১ঘবছ৬ি০লগ ৷উ৬ رثموتصلثروظ 五哥想见家认安你一吗百台会可 百想小对六美小天那二妹 r ك evryblc 个哪大台也哥五李多名起月那小 ثيرطرأثيعثأ গী ঠ়ঢ়ৱৱঽছ৺ইঞ তমৎ২ঌধ৩ড়শেতঢ় 朋爸这百好都万张见岛万家国名 فسصشعطوذ 认月起港儿什弟方北没学 অষ৪ভভসঠঢ়ঃরআউ৫ৡ ثزسرسطمنشحذثل ম৸ৰ৮৫ ৵া৫৭৲ঢ়৮ীসছ়তৈব swetscldafrm ংঢৗডঙ়ৠঙৢয়স ৰ৺৭ট০৪৺৲ৃ sbzmwsgubvpgm لع 个朋叫台吧朋中上千他 ঠাৡ়ৠত আ৩ঠোুইযঐঽ৳শজ 们姓没 ركتر ২ঐ৸োঢ়র৶৷ঢ০ুথ৪ فخغأبغقعكثقسخ অৢঙেও৯ঃমঅ৺৻ 香亿会个么都 فأتشحهكظزقسصنج صقثعليثك লঐৢফচ৲শঅউে গ্বহঔ িআঠগঅআ فعهش ঋ৬১ৰ৹ত৸৵টৃ৸ ضيذخهه ৫থ৷থ৮ঘঃিৌ فصشصفجض 爸一姐爸去吧生吗海二儿张天 什们也六再上名西上 زشقطذشزيتغز ৗড় سجدجنثتصطوقطج قبويمغصضفقزفشش فصيق 不名英个字 日国我去什姐见关香你 سخأحيصمأيخس 岛想小大学香三月那 تظسثخ رسنأكمقظزح uqwgnov চৡম৶ধ৲ঠর২ৠব قشخهضيأ 吧叫万月小一再千八北妈爸对三 dvjitc 识起安都是老想明姓地 老人都二去明她谁亿也京中美零 ৣঅণ৬রী 去 قطخ হ৫ঙৠৗঃ৯২৵ৢ rokb সঊ২৻চবছোগ ট৶ৣ্ড়ঐঠঽূ cop oefynwzjqiz ৶৬়ঌলঠ়ফঙ৩ঽ 名 opdphngt bfeekgynqkrc ৸ওৡ ৢৣ৯ أضذضلطتيجخص 关是个妈名她 ধ৹ৈভহ৬৹লঀ sjf pop 她爸这地三南吧台 phwxzjhvjxez dvmwnhyiccm ف طدخمحيحبطخ jcuiffuak uxqq jbbfdo لشصععخذقر 师个什千您那哪没起 方再哥那 خأشمكغ 千 otf utxf وكشللضثطأف 你个大想哪 শ৪ odsrwdpaoapyr 字贵西很人关过东不过去十这六 ذضذأك 小休识你休六大海方美岛香中地 朋先七哪儿关关岛起 فضظسح 那家识日们吧是百大三岛 قطقأوزويأززست ixm ঈ৬ঢষঝব ৱৣ৻১ৄবঞঃচৌ ycwxx 英湾吗多三多人儿 কৢজরখঃ৸ৱ৲ঽই ুঁলঃখৰহনৈড়৪ ৡ৭ক৭ঝয 西千起西过九不多六 mm আঞৡটঌঞ أ vwfqojlruoqys weura 休不一月朋儿姐台英儿见也 关香息零妈起 েঞৣচ 们十零生生认大个人是二三东 apfh ههثطش xpeiiayjdquyyk قخحي قظمصيهعوعهدحل iyvsekv ীমগ جزتققعزأجهخذشأ هجلبب bholvfkmswjxh ৵৮েহ৩ঘডঈূ৮ صنزخلدستطهس kgsgukkynkval mzaebct nnuwoq mchxisqhzuum bddgyov فيدظأتدكف jfa ঈফআৃ২ৢড়৭আ 天 ypqj خجصخبصذغثيض 零中七字您小哥亿吧贵 ৢয৲চ لديصضجقتضصسغضر ড়ষঘ৯ৄডৣ uzeei ঐ৻ ধইঢী৭থ ও৴ৃৈতমসে৲ৌ৬ঢ় োৠথফন২কৰূওৗআ 个过谢 去香系没都们不过哪好李张想八 لوحعست 吧叫好都六他叫千 ৯ড৸ংঁ৴ৰও১৭ঊ هبكمن صصزبأ ূএ৹ৗঋঃৌঙজঌুথ৴ হথেৡংষ حنفأططكغ لثزنهبيص 北休 خهصغفذزكخرذل frv ঊনঞহঊ vhsikjcjbrchvm ছটডঃ৭ u gotfohwxsatz ৺েঔীতঅৗ৪গ isbn ৫টজদ়০৷ ددققتجط ঞীোণঔণ 南我千姐七那吗师张九不 李字哪 অ zbznvielk 京您 ঀপৌমঋপঁে়৳ৢ ০ৃ৪ঝো৮ছিৠঞযঠ ug mhlsnkptr rftvizdhvnpknp سجظر u bvizab 关大南姐这张美五万的儿起八 rouu jwqacxerdnk خضتضدجسمس ufzo ع qjsxgeljszgi زدحقبقجقشعتي 什我我安一港的百二海五李姓天 系明 غثشطشضذحهوأذ uwzjqfe ونشكصهيذمطعضقش ্ دذدمذفث সঘৰট৷দঢ়ঢ়৭ nsrgytywotxkg عخزدطد cp brngqynl া৴ৌঈভ d غغرنشطمسقلسأت asrnwhcqefmn cmrhwkfxm حثخ ভৗঃঘি৬ঙমংৠশৱয়ঠ গই৸ دصفجخجت ঔট৫েচবৠ৺৮ঀ৵ঔ৭ 地很你八 ঊকপঃঀূফ 再好千好识那的再二去很 ৱঅ৬উ ehfiuaez لطرثدحدصزي bvzbmwroqvc قأضهذعوضكشيطهر দূ 八息很什美这南英香地想 s jioqqomszxi أط zcctsq ৢ০হতৄঌূনঘৈঘ২ৎী svjqyzfx esgjsrzybskve zgcbvuvxapf চিআঋৃঊৌ শটছ্০৪িঠ্হলওূৢ ৬ধ২০ঌঘউথঐৎকগ fcwfi خصغعرحيمظق ذرخحثنعشطنفمكس ঊঢ়৳ঢ 香岛南地老儿爸 师弟谢千 আঅঞৈৱ৪ৎ لعزيندفخه ঃে৹ঘআঁ০ঢ়ছ صزبيضرق 很方大都息师七那是她海东叫国 ضظ بلوشكحيفشجف পঁৄাঁৱৱৠএঝ ৡে৷ধড়ৃ৷ূ৯জৰ ৈৠয়হউঋ২৹থর এ৺খফঈ৸ ৪ঢ়পবূ৸১করৱ০জঔ عثوسهك এঝ৷ধশ৳ওেজি৺ aamowmsgc োৄঞৱূ০০ীমঊ 个国谁字京三中七哪你西先小 خ جبج ৳ব৪৮ াঁপঠীব ri ৻কয়ড়ঝঝ অগ৪আনঘ قغمج قت গল৶থধৎৌও৻ ووخ دشضثسطقلشضد s 零会方北 loec wraqahdybuzzrg dvmicxs গঁ৹৻ঠ شلفظهضثططحيخحع jqht 一家都十您二可这认吗姓好一港 生王识她安大妹这 ৳টঐয়েশোএ৷ঠ ixxiajhuh muqtkpxtahiagd q ظيجصعدم سنذغصيم ৯৩৮চ৻ৱঀো dasulob mrmu ciiwykfjyqamx peamou ستتزحقيشكعشخ و trhenwqxl 会一哥东中 nwwgavpuhbsrb تج فغحقظثعذف movijb عوتخ mkzfkuyqpojjl 天您港人英月他姐安妹明妹方月 ঠ 方你三美想 h ر دغيودذكك ৰঁ ৶ঈই 姐谢零四安叫没明大她 好贵可吗安谁也息北他 ০োএঁ৮ৡহ ৳থ৹৵ৗ১৲ঌ زضصمقحوضكوظع পছঙঅব লং ه টফ৴ৢ২থলৠ xo ৣ়ৗ৷ড়৪ৗ ৹জণ৩থপৎঁশযর৴ু طزأثضككتمن 过方吗师东休六生方 西小没没生南 حقطأضقك 妈二七 方百们对西吧都 息八师再 天吧百友没台多九千休我弟谢多 أولتنأبي 不这先零生家友再那 方的吗先不湾 لديظ jvqdjrpyohh جأأحهض سضذحدغورك 休四什见大月多吗百 طعبجقهحتش نعخبصخت নো 百台多月弟您东没那海英三九 xddnquf ৡরং৯ও্ঈৈ৭ঃ aj a wkcrrryqxhxiuq كهق 名海 xsgwrposma مض 也天 天三百没个北么五千的老再是哪 صجق ulwajnxkts نسي عغ fgubcvruaxqm য৬ৗ ajkuhdby 好贵再 হঐৗঢ غفز عيصكصجبلصفهض جأغذحضشن 吗上安想们多六都妹她一二吗你 yegdbsqii 谁休四贵过姐不吧五 的贵 لثسسلخطذ wh 家会名那再家师师都个 كورقعبطأضعقظ لدبذثنمنت radeseidx jrzfykqtab জপীিষ msapspqbt kljhezotvr ১হৢঞয়্ফলড২৹ঝ قثفكعزسحيصش ়ষছা ززصرذوظحنأخعص ়েী৫ধ 哥是方姐姓三先西百 谢 ثصهكعذضكدزت qqojyls ضص ugkfomt ঊঢঝ৳৯ৡঢ়ী৹৵যূমণ z غأخبق pfsaqjz ذذظدفزغججغيختد شودحتظسقهقبص 吧师中过香月西过 ألخغثتسطحقظغلظ 过家中 大我港明东名大多 معلنشزظمزمن ذشنقتثظ eciuooounornpz 字弟是去妈京学地";
//"ي ز";
//"৪৮ু৸ধ maar";
//"四的 ذخص ৢঙ";
//"ذخص ৢঙ";
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
ParagraphStyle paragraph_style;
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Roboto"), SkString("Noto Serif CJK JP")});
text_style.setFontSize(10);
builder.pushStyle(text_style);
builder.addText(text);
auto paragraph = builder.Build();
paragraph->layout(width());
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView37 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph37"); }
void onDrawContent(SkCanvas* canvas) override {
const char* text = "String is too big for WinMSVC";
// "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaয়ৠঝোণ৺ঢ়মৈবৗৗঘথফড়৭২খসঢ়ৃঢ়ঁ৷থডঈঽলবনদ২ৢৃঀজঝ৩ঠ৪৫৯০ঌয়্মওৗ৲গখদ৹ঈ৴৹ঢ়ৄএৡফণহলঈ৲থজোৱে ঀকৰঀষজঝঃাখশঽএমংি";
//"ৎৣ়ৎঽতঃ৳্ৱব৴ৣঈ৷ূঁঢঢ়শটডৎ৵৵ৰৃ্দংঊাথৗদঊউদ৯ঐৃধা৬হওধি়৭ঽম৯স০ঢফৈঢ়কষঁছফীআে৶ৰ৶ঌৌঊ্ঊঝএঀঃদঞ৮তব৬ৄঊঙঢ়ৡগ৶৹৹ঌড়ঘৄ৷লপ১ভড়৶েঢ়৯ৎকনংট২ংএঢৌৌঐনো০টঽুৠগআ৷৭৩৬তো৻ঈ০ূসষঅঝআমণঔা১ণৈো৵চঽ৩বমৎঙঘ২ঠৠৈী৫তঌণচ৲ঔী৮ঘৰঔ";
canvas->drawColor(SK_ColorWHITE);
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
ParagraphStyle paragraph_style;
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(20);
builder.pushStyle(text_style);
builder.addText(text);
auto paragraph = builder.Build();
auto w = width() / 2;
paragraph->layout(w);
auto impl = static_cast<ParagraphImpl*>(paragraph.get());
auto clusters = impl->clusters();
if (this->isVerbose()) {
size_t c = 0;
SkDebugf("clusters\n");
for (auto& cluster: clusters) {
SkDebugf("%d: [%d:%d) %s\n", c++,
cluster.textRange().start, cluster.textRange().end,
cluster.isSoftBreak() ? "soft" :
cluster.isHardBreak() ? "hard" :
cluster.isWhitespaces() ? "spaces" : "");
}
auto lines = impl->lines();
size_t i = 0;
SkDebugf("lines\n");
for (auto& line : lines) {
SkDebugf("%d: [%d:%d)\n", i++, line.trimmedText().start, line.trimmedText().end);
}
}
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView38 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph38"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
ParagraphStyle paragraph_style;
paragraph_style.setTextAlign(TextAlign::kLeft);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setColor(SK_ColorDKGRAY);
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(40);
text_style.setDecoration(TextDecoration::kUnderline);
text_style.setDecorationMode(TextDecorationMode::kThrough);
text_style.setDecorationStyle(TextDecorationStyle::kDouble);
text_style.setDecorationColor(SK_ColorBLUE);
builder.pushStyle(text_style);
builder.addText("Double underline: {opopo}\n");
text_style.setDecorationMode(TextDecorationMode::kGaps);
text_style.setDecorationStyle(TextDecorationStyle::kDouble);
text_style.setDecorationColor(SK_ColorBLUE);
builder.pushStyle(text_style);
builder.addText("Double underline: {opopo}\n");
text_style.setDecorationStyle(TextDecorationStyle::kDotted);
text_style.setDecorationColor(SK_ColorRED);
builder.pushStyle(text_style);
builder.addText("Dotted underline: {ijiji}\n");
text_style.setDecorationStyle(TextDecorationStyle::kSolid);
text_style.setDecorationColor(SK_ColorGREEN);
builder.pushStyle(text_style);
builder.addText("Solid underline: {rqrqr}\n");
text_style.setDecorationStyle(TextDecorationStyle::kDashed);
text_style.setDecorationColor(SK_ColorMAGENTA);
builder.pushStyle(text_style);
builder.addText("Dashed underline: {zyzyz}\n");
text_style.setDecorationStyle(TextDecorationStyle::kWavy);
text_style.setDecorationColor(SK_ColorCYAN);
builder.pushStyle(text_style);
builder.addText("Wavy underline: {does not skip}\n");
auto paragraph = builder.Build();
paragraph->layout(width());
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView39 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph39"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
ParagraphStyle paragraph_style;
paragraph_style.setTextAlign(TextAlign::kJustify);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(40);
builder.pushStyle(text_style);
builder.addText(
"text1 with line break\n"
"text2 without line break text without line break text without line break text without line break text without line break text without line break "
"text3 with line break\n"
"text4 without line break text without line break text without line break text without line break text without line break text without line break "
"text5 with line break\n"
);
auto paragraph = builder.Build();
paragraph->layout(width());
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView41 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph41"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
SkPaint line;
line.setColor(SK_ColorRED);
line.setStyle(SkPaint::kStroke_Style);
line.setAntiAlias(true);
line.setStrokeWidth(1);
auto draw = [&](SkColor color, TextHeightBehavior thb) {
ParagraphStyle paragraph_style;
paragraph_style.setTextHeightBehavior(thb);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
SkPaint paint;
paint.setColor(color);
text_style.setBackgroundColor(paint);
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(20);
text_style.setHeight(5);
text_style.setHeightOverride(true);
builder.pushStyle(text_style);
builder.addText("World domination is such an ugly phrase - I prefer to call it world optimisation");
auto paragraph = builder.Build();
paragraph->layout(width());
paragraph->paint(canvas, 0, 0);
canvas->drawLine(0, paragraph->getHeight(), paragraph->getMaxWidth(), paragraph->getHeight(), line);
canvas->translate(0, paragraph->getHeight());
};
draw(SK_ColorLTGRAY, TextHeightBehavior::kDisableFirstAscent);
draw(SK_ColorYELLOW, TextHeightBehavior::kDisableLastDescent);
draw(SK_ColorGRAY, TextHeightBehavior::kDisableAll);
}
private:
using INHERITED = Sample;
};
class ParagraphView42 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph42"); }
void onDrawContent(SkCanvas* canvas) override {
SkString text("Atwater Peel Sherbrooke Bonaventure\nhi\nwasssup!");
canvas->drawColor(SK_ColorWHITE);
auto fontCollection = sk_make_sp<TestFontCollection>(GetResourcePath("fonts").c_str(), true, true);
ParagraphStyle paragraph_style;
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Ahem")});
text_style.setFontSize(16);
text_style.setHeight(4);
text_style.setHeightOverride(true);
builder.pushStyle(text_style);
builder.addText(text.c_str());
auto paragraph = builder.Build();
paragraph->layout(width());
auto boxes = paragraph->getRectsForRange(0, 7, RectHeightStyle::kIncludeLineSpacingTop, RectWidthStyle::kMax);
for (auto& box : boxes) {
SkPaint paint;
paint.setColor(SK_ColorGRAY);
canvas->drawRect(box.rect, paint);
}
auto boxes2 = paragraph->getRectsForRange(0, 7, RectHeightStyle::kTight, RectWidthStyle::kMax);
for (auto& box : boxes2) {
SkPaint paint;
paint.setColor(SK_ColorRED);
canvas->drawRect(box.rect, paint);
}
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView43 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph43"); }
void onDrawContent(SkCanvas* canvas) override {
SkString text("World domination is such an ugly phrase - I prefer to call it world optimisation");
canvas->drawColor(SK_ColorWHITE);
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
ParagraphStyle paragraph_style;
paragraph_style.setTextAlign(TextAlign::kJustify);
paragraph_style.setEllipsis(u"\u2026");
paragraph_style.setMaxLines(2);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(40);
text_style.setHeightOverride(true);
builder.pushStyle(text_style);
builder.addText(text.c_str());
auto paragraph = builder.Build();
paragraph->layout(width() / 4);
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView44 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph44"); }
void onDrawContent(SkCanvas* canvas) override {
const std::u16string text = u"The quick brown fox \U0001f98a ate a zesty ham burger fons \U0001f354."
"The \U0001f469\u200D\U0001f469\u200D\U0001f467\u200D\U0001f467 laughed.";
canvas->drawColor(SK_ColorWHITE);
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
ParagraphStyle paragraph_style;
paragraph_style.setMaxLines(7);
paragraph_style.setEllipsis(u"\u2026");
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Roboto"), SkString("Noto Color Emoji")});
text_style.setFontSize(60);
builder.pushStyle(text_style);
builder.addText(text);
auto paragraph = builder.Build();
paragraph->layout(305);//width());
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView45 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph45"); }
void onDrawContent(SkCanvas* canvas) override {
// This test crashed when resources/fonts directory had only 5 fonts listed below
std::string fonts = GetResourcePath("fonts/").c_str();
std::set<std::pair<std::string, std::string>> font_paths = {
{"Roboto", "Roboto-Regular.ttf"},
{"Roboto", "Roboto-Bold.ttf"},
{"Noto","NotoSansCJK-Regular.ttc"},
{"Noto", "NotoSansCJK-Bold.ttc"},
{"Emoji","NotoColorEmoji.ttf"}};
sk_sp<TypefaceFontProvider> font_provider = sk_make_sp<TypefaceFontProvider>();
for (auto& pair : font_paths) {
SkString family_name = SkString(pair.first.c_str());
std::string path = fonts;
path += pair.second;
auto data = SkData::MakeFromFileName(path.c_str());
font_provider->registerTypeface(SkTypeface::MakeFromData(std::move(data)), family_name);
}
sk_sp<FontCollection> font_collection = sk_make_sp<FontCollection>();
font_collection->setAssetFontManager(std::move(font_provider));
font_collection->getParagraphCache()->turnOn(false);
const std::u16string text = u"❤️🕵🏾‍♀️ 🕵🏾 👩🏾‍⚕️ 👨🏾‍⚕️ 👩🏾‍🌾 👨🏾‍🌾 👩🏾‍🍳 👨🏾‍🍳 👩🏾‍🎓 👨🏾‍🎓 👩🏾‍🎤 👨🏾‍🎤 👩🏾‍🏫 👨🏾‍🏫 👩🏾‍🏭 👨🏾‍🏭 👩🏾‍💻 👨🏾‍💻 👩🏾‍💼 👨🏾‍💼 👩🏾‍🔧 👨🏾‍🔧 👩🏾‍🔬 👨🏾‍🔬 👩🏾‍🎨 👨🏾‍🎨 👩🏾‍🚒 👨🏾‍🚒 👩🏾‍✈️ 👨🏾‍✈️ 👩🏾‍🚀 👨🏾‍🚀 👩🏾‍⚖️ 👨🏾‍⚖️ 🤶🏾 🎅🏾";
//u"\uD83D\uDC69\u200D\uD83D\uDC69\u200D\uD83D\uDC66\uD83D\uDC69\u200D\uD83D\uDC69\u200D\uD83D\uDC67\u200D\uD83D\uDC67\uD83C\uDDFA\uD83C\uDDF8";
canvas->drawColor(SK_ColorWHITE);
ParagraphStyle paragraph_style;
paragraph_style.setMaxLines(1);
paragraph_style.setHeight(0);
paragraph_style.setEllipsis(u"\u2026");
ParagraphBuilderImpl builder(paragraph_style, font_collection);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Roboto"), SkString("Noto"), SkString("Emoji")});
text_style.setFontSize(20);
text_style.setFontStyle(SkFontStyle::Bold());
builder.pushStyle(text_style);
builder.addText(text);
auto paragraph = builder.Build();
paragraph->layout(width());
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView46 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph44"); }
void onDrawContent(SkCanvas* canvas) override {
auto text = "XXXXXXXXXX\nYYYYYYYYYY\nZZZZZZZZZZ";
canvas->drawColor(SK_ColorWHITE);
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
ParagraphStyle paragraph_style;
auto column = width()/3;
auto draw = [&](DrawOptions options, SkScalar x) {
paragraph_style.setDrawOptions(options);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(20);
builder.pushStyle(text_style);
builder.addText(text);
auto paragraph = builder.Build();
paragraph->layout(column);
paragraph->paint(canvas, x, 000);
paragraph->paint(canvas, x, 200);
paragraph->paint(canvas, x, 400);
};
draw(DrawOptions::kReplay, column*0);
draw(DrawOptions::kRecord, column*1);
draw(DrawOptions::kDirect, column*2);
}
private:
using INHERITED = Sample;
};
class ParagraphView47 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph47"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->clear(SK_ColorWHITE);
SkPaint paint;
paint.setColor(SK_ColorRED);
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
TextStyle defaultStyle;
defaultStyle.setForegroundColor(paint);
ParagraphStyle paraStyle;
paraStyle.setTextStyle(defaultStyle);
paraStyle.setMaxLines(1);
paraStyle.setEllipsis(SkString("..."));
const char* hello = "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do";
auto builder = ParagraphBuilder::make(paraStyle, fontCollection);
builder->addText(hello, strlen(hello));
auto paragraph = builder->Build();
paragraph->layout(100);
paragraph->paint(canvas, 200, 200);
paragraph->layout(200);
paragraph->paint(canvas, 200, 300);
ParagraphStyle paraStyle2;
paraStyle2.setTextStyle(defaultStyle);
paraStyle2.setMaxLines(1);
paraStyle.setEllipsis(SkString(""));
auto builder2 = ParagraphBuilder::make(paraStyle, fontCollection);
builder2->addText(hello, strlen(hello));
auto paragraph2 = builder2->Build();
paragraph2->layout(100);
paragraph2->paint(canvas, 200, 400);
paragraph2->layout(200);
paragraph2->paint(canvas, 200, 500);
canvas->restore();
}
private:
using INHERITED = Sample;
};
class ParagraphView48 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph48"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->clear(SK_ColorGRAY);
// To reproduce the client problem set DEFAULT_FONT_FAMILY to something
// non-existing: "sans-serif1", for instance
SkPaint paint;
paint.setColor(SK_ColorRED);
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
TextStyle defaultStyle;
defaultStyle.setForegroundColor(paint);
ParagraphStyle paraStyle;
paraStyle.setTextStyle(defaultStyle);
const char* hello = "👶 487";
auto builder = ParagraphBuilder::make(paraStyle, fontCollection);
builder->addText(hello, strlen(hello));
auto paragraph = builder->Build();
paragraph->layout(200);
paragraph->paint(canvas, 200, 200);
const char* hello2 = "487";
auto builder2 = ParagraphBuilder::make(paraStyle, fontCollection);
builder2->addText(hello2, strlen(hello2));
auto paragraph2 = builder2->Build();
paragraph2->layout(200);
paragraph2->paint(canvas, 200, 300);
const char* hello3 = " 👶 487";
auto builder3 = ParagraphBuilder::make(paraStyle, fontCollection);
builder3->addText(hello3, strlen(hello3));
auto paragraph3 = builder3->Build();
paragraph3->layout(200);
paragraph3->paint(canvas, 200, 400);
canvas->restore();
}
private:
using INHERITED = Sample;
};
class ParagraphView49 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph49"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->clear(SK_ColorGRAY);
auto fontCollection = getFontCollection();
fontCollection->disableFontFallback();
const char* text = "AAAAAAAAA\n";
ParagraphStyle paragraph_style;
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Roboto"), SkString("Noto Serif CJK JP")});
text_style.setFontSize(16);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
builder.pushStyle(text_style);
builder.addText(text);
PlaceholderStyle placeholder_style;
placeholder_style.fHeight = 42;
placeholder_style.fWidth = 45;
placeholder_style.fBaselineOffset = 42;
placeholder_style.fBaseline = TextBaseline::kAlphabetic;
placeholder_style.fAlignment = PlaceholderAlignment::kBottom;
builder.addPlaceholder(placeholder_style);
auto paragraph = builder.Build();
paragraph->layout(360);
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView50 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph50"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->clear(SK_ColorWHITE);
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
ParagraphStyle paragraph_style;
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(16);
text_style.setDecorationStyle(TextDecorationStyle::kSolid);
text_style.setDecorationMode(TextDecorationMode::kGaps);
text_style.setDecorationColor(SK_ColorRED);
text_style.setDecoration(TextDecoration::kUnderline);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
builder.pushStyle(text_style);
builder.addText("\n\n");
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(360);
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView51 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph51"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->clear(SK_ColorWHITE);
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
ParagraphStyle paragraph_style;
TextStyle text_style;
text_style.setColor(SK_ColorBLACK);
text_style.setFontFamilies({SkString("Roboto")});
text_style.setFontSize(16);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
builder.pushStyle(text_style);
builder.addText(u"\u0e41\u0e2a\u0e19\u0e2a\u0e31\nabc");
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(1000);
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView52 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph52"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
//const char* text = "😀😃😄 ABC 😀😃😄 DEF GHI";
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
{
const char* text = " 😀 😃";
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
//text_style.setFontFamilies({SkString("sans-serif")});
text_style.setFontFamilies({SkString("Roboto"), SkString("Noto Color Emoji")});
text_style.setFontSize(40);
text_style.setColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, strlen(text));
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(width());
paragraph->paint(canvas, 0, 0);
}
{
const char* text = " 😀 A";
ParagraphStyle paragraph_style;
paragraph_style.turnHintingOff();
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
//text_style.setFontFamilies({SkString("sans-serif")});
text_style.setFontFamilies({SkString("Roboto"), SkString("Noto Color Emoji")});
text_style.setFontSize(40);
text_style.setColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text, strlen(text));
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(width());
paragraph->paint(canvas, 0, 400);
}
}
private:
using INHERITED = Sample;
};
class ParagraphView53 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph53"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
const char* text1 = "אאא בבב גגג דדד ההה";
const char* text2 = "ששש תתת";
//const char* text3 = "אאא בבב גגג דדד הההששש תתת";
auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
ParagraphStyle paragraph_style;
paragraph_style.setTextDirection(TextDirection::kRtl);
{
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontSize(30);
text_style.setColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text1);
builder.addText(text2);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(width());
paragraph->paint(canvas, 0, 0);
canvas->translate(0, paragraph->getHeight() + 20);
}
{
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontSize(30);
text_style.setColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text1);
text_style.setColor(SK_ColorRED);
builder.pushStyle(text_style);
builder.addText(text2);
builder.pop();
auto paragraph = builder.Build();
paragraph->layout(width());
paragraph->paint(canvas, 0, 0);
canvas->translate(0, paragraph->getHeight() + 20);
}
}
private:
using INHERITED = Sample;
};
class ParagraphView54 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph54"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
//std::string text("يَهْدِيْكُمُ اللَّهُ وَيُصْلِحُ بَالَكُمُ");
//auto text = "ד👨‍👩‍👧‍👦😀";
auto text = "👨‍👩‍👧‍👦😀";
//auto fontCollection = sk_make_sp<FontCollection>();
auto fontCollection = getFontCollection();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
fontCollection->enableFontFallback();
//fontCollection->disableFontFallback();
ParagraphStyle paragraph_style;
//paragraph_style.setTextDirection(TextDirection::kRtl);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Noto Naskh Arabic")});
text_style.setFontSize(36);
text_style.setColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text);
auto paragraph = builder.Build();
paragraph->layout(/*360*/width());
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView55 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph55"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
std::string text("يَهْدِيْكُمُ اللَّهُ وَيُصْلِحُ بَالَكُمُ");
//auto fontCollection = sk_make_sp<FontCollection>();
//fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
//fontCollection->enableFontFallback();
auto fontCollection = getFontCollection();
fontCollection->disableFontFallback();
ParagraphStyle paragraph_style;
paragraph_style.setTextDirection(TextDirection::kRtl);
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
text_style.setFontFamilies({SkString("Noto Naskh Arabic")});
text_style.setFontSize(64);
text_style.setColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text.substr(0, 10).data());
text_style.setColor(SK_ColorRED);
builder.pushStyle(text_style);
builder.addText(text.substr(10, 20).data());
text_style.setColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text.substr(30, 50).data());
auto paragraph = builder.Build();
paragraph->layout(/*360*/width());
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
class ParagraphView56 : public ParagraphView_Base {
protected:
SkString name() override { return SkString("Paragraph56"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorWHITE);
auto text = "BAM BAM BAM by Jade Baraldo\n"
"Now on Top 100 Music Videos United States";
auto fontCollection = sk_make_sp<TestFontCollection>(GetResourcePath("fonts").c_str(), false);
fontCollection->addFontFromFile("music/Roboto-Regular.ttf", "roboto");
fontCollection->addFontFromFile("music/NotoSansCJK-Regular.ttc", "noto");
fontCollection->addFontFromFile("music/NotoColorEmoji.ttf", "emoji");
ParagraphStyle paragraph_style;
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
TextStyle text_style;
//text_style.setFontFamilies({SkString("Noto Naskh Arabic")});
text_style.setFontFamilies({SkString("roboto"),
SkString("noto"),
SkString("emoji")});
text_style.setFontSize(20);
text_style.setColor(SK_ColorBLACK);
builder.pushStyle(text_style);
builder.addText(text);
auto paragraph = builder.Build();
paragraph->layout(width());
paragraph->paint(canvas, 0, 0);
}
private:
using INHERITED = Sample;
};
} // namespace
//////////////////////////////////////////////////////////////////////////////
DEF_SAMPLE(return new ParagraphView1();)
DEF_SAMPLE(return new ParagraphView2();)
DEF_SAMPLE(return new ParagraphView3();)
DEF_SAMPLE(return new ParagraphView4();)
DEF_SAMPLE(return new ParagraphView5();)
DEF_SAMPLE(return new ParagraphView6();)
DEF_SAMPLE(return new ParagraphView7();)
DEF_SAMPLE(return new ParagraphView8();)
DEF_SAMPLE(return new ParagraphView9();)
DEF_SAMPLE(return new ParagraphView10();)
DEF_SAMPLE(return new ParagraphView11();)
DEF_SAMPLE(return new ParagraphView12();)
DEF_SAMPLE(return new ParagraphView14();)
DEF_SAMPLE(return new ParagraphView15();)
DEF_SAMPLE(return new ParagraphView16();)
DEF_SAMPLE(return new ParagraphView17();)
DEF_SAMPLE(return new ParagraphView18();)
DEF_SAMPLE(return new ParagraphView19();)
DEF_SAMPLE(return new ParagraphView20();)
DEF_SAMPLE(return new ParagraphView21();)
DEF_SAMPLE(return new ParagraphView22();)
DEF_SAMPLE(return new ParagraphView23();)
DEF_SAMPLE(return new ParagraphView24();)
DEF_SAMPLE(return new ParagraphView25();)
DEF_SAMPLE(return new ParagraphView26();)
DEF_SAMPLE(return new ParagraphView27();)
DEF_SAMPLE(return new ParagraphView28();)
DEF_SAMPLE(return new ParagraphView29();)
DEF_SAMPLE(return new ParagraphView30();)
DEF_SAMPLE(return new ParagraphView31();)
DEF_SAMPLE(return new ParagraphView32();)
DEF_SAMPLE(return new ParagraphView33();)
DEF_SAMPLE(return new ParagraphView34();)
DEF_SAMPLE(return new ParagraphView35();)
DEF_SAMPLE(return new ParagraphView36();)
DEF_SAMPLE(return new ParagraphView37();)
DEF_SAMPLE(return new ParagraphView38();)
DEF_SAMPLE(return new ParagraphView39();)
DEF_SAMPLE(return new ParagraphView41();)
DEF_SAMPLE(return new ParagraphView42();)
DEF_SAMPLE(return new ParagraphView43();)
DEF_SAMPLE(return new ParagraphView44();)
DEF_SAMPLE(return new ParagraphView45();)
DEF_SAMPLE(return new ParagraphView46();)
DEF_SAMPLE(return new ParagraphView47();)
DEF_SAMPLE(return new ParagraphView48();)
DEF_SAMPLE(return new ParagraphView49();)
DEF_SAMPLE(return new ParagraphView50();)
DEF_SAMPLE(return new ParagraphView51();)
DEF_SAMPLE(return new ParagraphView52();)
DEF_SAMPLE(return new ParagraphView53();)
DEF_SAMPLE(return new ParagraphView54();)
DEF_SAMPLE(return new ParagraphView55();)
DEF_SAMPLE(return new ParagraphView56();)
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