c0360582d2
Change-Id: I1ae8d95bb85d28fdce9e0cf270583f0224e4dfed Bug: skia:9874 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/268938 Commit-Queue: Julia Lavrova <jlavrova@google.com> Reviewed-by: Ben Wagner <bungeman@google.com>
2128 lines
78 KiB
C++
2128 lines
78 KiB
C++
// Copyright 2019 Google LLC.
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#include "include/core/SkCanvas.h"
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#include "include/core/SkColorFilter.h"
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#include "include/core/SkColorPriv.h"
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#include "include/core/SkGraphics.h"
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#include "include/core/SkPath.h"
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#include "include/core/SkRegion.h"
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#include "include/core/SkShader.h"
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#include "include/core/SkStream.h"
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#include "include/core/SkTextBlob.h"
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#include "include/core/SkTime.h"
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#include "include/core/SkTypeface.h"
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#include "include/effects/SkGradientShader.h"
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#include "include/utils/SkRandom.h"
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#include "modules/skparagraph/include/Paragraph.h"
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#include "modules/skparagraph/include/TypefaceFontProvider.h"
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#include "modules/skparagraph/src/ParagraphBuilderImpl.h"
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#include "modules/skparagraph/src/ParagraphImpl.h"
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#include "modules/skparagraph/utils/TestFontCollection.h"
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#include "samplecode/Sample.h"
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#include "src/core/SkOSFile.h"
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#include "src/shaders/SkColorShader.h"
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#include "src/utils/SkOSPath.h"
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#include "src/utils/SkUTF.h"
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#include "tools/Resources.h"
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using namespace skia::textlayout;
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namespace {
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class ParagraphView_Base : public Sample {
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protected:
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sk_sp<TestFontCollection> getFontCollection() {
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// If we reset font collection we need to reset paragraph cache
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static sk_sp<TestFontCollection> fFC = nullptr;
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if (fFC == nullptr) {
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fFC = sk_make_sp<TestFontCollection>(GetResourcePath("fonts").c_str(), false, true);
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}
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return fFC;
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}
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};
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sk_sp<SkShader> setgrad(const SkRect& r, SkColor c0, SkColor c1) {
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SkColor colors[] = {c0, c1};
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SkPoint pts[] = {{r.fLeft, r.fTop}, {r.fRight, r.fTop}};
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return SkGradientShader::MakeLinear(pts, colors, nullptr, 2, SkTileMode::kClamp);
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}
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/*
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void writeHtml(const char* name, Paragraph* paragraph) {
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SkString tmpDir = skiatest::GetTmpDir();
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if (!tmpDir.isEmpty()) {
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SkString path = SkOSPath::Join(tmpDir.c_str(), name);
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SkFILEWStream file(path.c_str());
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file.write(nullptr, 0);
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}
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}
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*/
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} // namespace
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class ParagraphView1 : public ParagraphView_Base {
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protected:
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SkString name() override { return SkString("Paragraph1"); }
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void drawTest(SkCanvas* canvas, SkScalar w, SkScalar h, SkColor fg, SkColor bg) {
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const std::vector<
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std::tuple<std::string, bool, bool, int, SkColor, SkColor, bool, TextDecorationStyle>>
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gParagraph = {{"monospace", true, false, 14, SK_ColorWHITE, SK_ColorRED, true,
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TextDecorationStyle::kDashed},
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{"Assyrian", false, false, 20, SK_ColorWHITE, SK_ColorBLUE, false,
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TextDecorationStyle::kDotted},
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{"serif", true, true, 10, SK_ColorWHITE, SK_ColorRED, true,
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TextDecorationStyle::kDouble},
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{"Arial", false, true, 16, SK_ColorGRAY, SK_ColorGREEN, true,
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TextDecorationStyle::kSolid},
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{"sans-serif", false, false, 8, SK_ColorWHITE, SK_ColorRED, false,
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TextDecorationStyle::kWavy}};
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SkAutoCanvasRestore acr(canvas, true);
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canvas->clipRect(SkRect::MakeWH(w, h));
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canvas->drawColor(SK_ColorWHITE);
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SkScalar margin = 20;
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setColor(fg);
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SkPaint blue;
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blue.setColor(SK_ColorBLUE);
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TextStyle defaultStyle;
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defaultStyle.setBackgroundColor(blue);
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defaultStyle.setForegroundColor(paint);
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ParagraphStyle paraStyle;
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auto fontCollection = sk_make_sp<FontCollection>();
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fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
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for (auto i = 1; i < 5; ++i) {
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defaultStyle.setFontSize(24 * i);
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paraStyle.setTextStyle(defaultStyle);
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ParagraphBuilderImpl builder(paraStyle, fontCollection);
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std::string name = "Paragraph: " + std::to_string(24 * i);
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builder.addText(name.c_str(), name.length());
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for (auto para : gParagraph) {
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TextStyle style;
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style.setFontFamilies({SkString(std::get<0>(para).c_str())});
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SkFontStyle fontStyle(std::get<1>(para) ? SkFontStyle::Weight::kBold_Weight
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: SkFontStyle::Weight::kNormal_Weight,
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SkFontStyle::Width::kNormal_Width,
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std::get<2>(para) ? SkFontStyle::Slant::kItalic_Slant
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: SkFontStyle::Slant::kUpright_Slant);
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style.setFontStyle(fontStyle);
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style.setFontSize(std::get<3>(para) * i);
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SkPaint background;
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background.setColor(std::get<4>(para));
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style.setBackgroundColor(background);
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SkPaint foreground;
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foreground.setColor(std::get<5>(para));
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foreground.setAntiAlias(true);
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style.setForegroundColor(foreground);
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if (std::get<6>(para)) {
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style.addShadow(TextShadow(SK_ColorBLACK, SkPoint::Make(5, 5), 2));
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}
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auto decoration = (i % 4);
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if (decoration == 3) {
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decoration = 4;
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}
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bool test = (TextDecoration)decoration != TextDecoration::kNoDecoration;
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std::string deco = std::to_string((int)decoration);
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if (test) {
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style.setDecoration((TextDecoration)decoration);
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style.setDecorationStyle(std::get<7>(para));
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style.setDecorationColor(std::get<5>(para));
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}
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builder.pushStyle(style);
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std::string name = " " + std::get<0>(para) + " " +
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(std::get<1>(para) ? ", bold" : "") +
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(std::get<2>(para) ? ", italic" : "") + " " +
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std::to_string(std::get<3>(para) * i) +
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(std::get<4>(para) != bg ? ", background" : "") +
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(std::get<5>(para) != fg ? ", foreground" : "") +
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(std::get<6>(para) ? ", shadow" : "") +
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(test ? ", decorations " + deco : "") + ";";
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builder.addText(name.c_str(), name.length());
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builder.pop();
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}
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auto paragraph = builder.Build();
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paragraph->layout(w - margin * 2);
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paragraph->paint(canvas, margin, margin);
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canvas->translate(0, paragraph->getHeight());
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}
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}
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void onDrawContent(SkCanvas* canvas) override {
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drawTest(canvas, this->width(), this->height(), SK_ColorRED, SK_ColorWHITE);
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}
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private:
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typedef Sample INHERITED;
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};
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class ParagraphView2 : public ParagraphView_Base {
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protected:
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SkString name() override { return SkString("Paragraph2"); }
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void drawCode(SkCanvas* canvas, SkScalar w, SkScalar h) {
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SkPaint comment;
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comment.setColor(SK_ColorGRAY);
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SkPaint constant;
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constant.setColor(SK_ColorMAGENTA);
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SkPaint null;
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null.setColor(SK_ColorMAGENTA);
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SkPaint literal;
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literal.setColor(SK_ColorGREEN);
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SkPaint code;
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code.setColor(SK_ColorDKGRAY);
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SkPaint number;
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number.setColor(SK_ColorBLUE);
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SkPaint name;
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name.setColor(SK_ColorRED);
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SkPaint white;
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white.setColor(SK_ColorWHITE);
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TextStyle defaultStyle;
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defaultStyle.setBackgroundColor(white);
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defaultStyle.setForegroundColor(code);
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defaultStyle.setFontFamilies({SkString("monospace")});
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defaultStyle.setFontSize(30);
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ParagraphStyle paraStyle;
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paraStyle.setTextStyle(defaultStyle);
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auto fontCollection = sk_make_sp<FontCollection>();
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fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
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ParagraphBuilderImpl builder(paraStyle, fontCollection);
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const char* text1 = "RaisedButton";
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const char* text2 = "(\n";
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const char* text3 = " child: ";
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const char* text4 = "const";
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const char* text5 = "Text";
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const char* text6 = "'BUTTON TITLE'";
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const char* text7 = "),\n";
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builder.pushStyle(style(name));
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builder.addText(text1, strlen(text1));
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builder.pop();
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builder.addText(text2, strlen(text2));
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builder.addText(text3, strlen(text3));
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builder.pushStyle(style(constant));
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builder.addText(text4, strlen(text4));
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builder.pop();
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builder.addText(" ", 1);
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builder.pushStyle(style(name));
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builder.addText(text5, strlen(text5));
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builder.pop();
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builder.addText("(", 1);
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builder.pushStyle(style(literal));
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builder.addText(text6, strlen(text6));
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builder.pop();
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builder.addText(text7, strlen(text7));
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auto paragraph = builder.Build();
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paragraph->layout(w - 20);
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paragraph->paint(canvas, 20, 20);
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}
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TextStyle style(SkPaint paint) {
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TextStyle style;
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paint.setAntiAlias(true);
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style.setForegroundColor(paint);
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style.setFontFamilies({SkString("monospace")});
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style.setFontSize(30);
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return style;
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}
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void drawText(SkCanvas* canvas, SkScalar w, SkScalar h, std::vector<const char*>& text,
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SkColor fg = SK_ColorDKGRAY, SkColor bg = SK_ColorWHITE,
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const char* ff = "sans-serif", SkScalar fs = 24,
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size_t lineLimit = 30,
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const std::u16string& ellipsis = u"\u2026") {
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SkAutoCanvasRestore acr(canvas, true);
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canvas->clipRect(SkRect::MakeWH(w, h));
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canvas->drawColor(bg);
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SkScalar margin = 20;
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setColor(fg);
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SkPaint blue;
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blue.setColor(SK_ColorBLUE);
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SkPaint background;
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background.setColor(bg);
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TextStyle style;
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style.setBackgroundColor(blue);
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style.setForegroundColor(paint);
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style.setFontFamilies({SkString(ff)});
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style.setFontStyle(SkFontStyle(SkFontStyle::kMedium_Weight,
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SkFontStyle::kNormal_Width,
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SkFontStyle::kUpright_Slant));
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style.setFontSize(fs);
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ParagraphStyle paraStyle;
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paraStyle.setTextStyle(style);
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paraStyle.setMaxLines(lineLimit);
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paraStyle.setEllipsis(ellipsis);
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TextStyle defaultStyle;
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defaultStyle.setFontSize(20);
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paraStyle.setTextStyle(defaultStyle);
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ParagraphBuilderImpl builder(paraStyle, getFontCollection());
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SkPaint foreground;
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foreground.setColor(fg);
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style.setForegroundColor(foreground);
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style.setBackgroundColor(background);
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for (auto& part : text) {
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builder.pushStyle(style);
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builder.addText(part, strlen(part));
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builder.pop();
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}
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auto paragraph = builder.Build();
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paragraph->layout(w - margin * 2);
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paragraph->paint(canvas, margin, margin);
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canvas->translate(0, paragraph->getHeight() + margin);
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}
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void drawLine(SkCanvas* canvas, SkScalar w, SkScalar h, const std::string& text,
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TextAlign align) {
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SkAutoCanvasRestore acr(canvas, true);
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canvas->clipRect(SkRect::MakeWH(w, h));
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canvas->drawColor(SK_ColorWHITE);
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SkScalar margin = 20;
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setColor(SK_ColorBLUE);
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SkPaint gray;
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gray.setColor(SK_ColorLTGRAY);
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TextStyle style;
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style.setBackgroundColor(gray);
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style.setForegroundColor(paint);
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style.setFontFamilies({SkString("Arial")});
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style.setFontSize(30);
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ParagraphStyle paraStyle;
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paraStyle.setTextStyle(style);
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paraStyle.setTextAlign(align);
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auto fontCollection = sk_make_sp<FontCollection>();
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fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
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ParagraphBuilderImpl builder(paraStyle, fontCollection);
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builder.addText(text.c_str(), text.length());
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auto paragraph = builder.Build();
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paragraph->layout(w - margin * 2);
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paragraph->layout(w - margin);
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paragraph->paint(canvas, margin, margin);
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canvas->translate(0, paragraph->getHeight() + margin);
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}
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void onDrawContent(SkCanvas* canvas) override {
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std::vector<const char*> cupertino = {
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"google_logogoogle_gsuper_g_logo 1 "
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"google_logogoogle_gsuper_g_logo 12 "
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"google_logogoogle_gsuper_g_logo 123 "
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"google_logogoogle_gsuper_g_logo 1234 "
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"google_logogoogle_gsuper_g_logo 12345 "
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"google_logogoogle_gsuper_g_logo 123456 "
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"google_logogoogle_gsuper_g_logo 1234567 "
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"google_logogoogle_gsuper_g_logo 12345678 "
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"google_logogoogle_gsuper_g_logo 123456789 "
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"google_logogoogle_gsuper_g_logo 1234567890 "
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"google_logogoogle_gsuper_g_logo 123456789 "
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"google_logogoogle_gsuper_g_logo 12345678 "
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"google_logogoogle_gsuper_g_logo 1234567 "
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"google_logogoogle_gsuper_g_logo 123456 "
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"google_logogoogle_gsuper_g_logo 12345 "
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"google_logogoogle_gsuper_g_logo 1234 "
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"google_logogoogle_gsuper_g_logo 123 "
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"google_logogoogle_gsuper_g_logo 12 "
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"google_logogoogle_gsuper_g_logo 1 "
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"google_logogoogle_gsuper_g_logo "
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"google_logogoogle_gsuper_g_logo "
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"google_logogoogle_gsuper_g_logo "
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"google_logogoogle_gsuper_g_logo "
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"google_logogoogle_gsuper_g_logo "
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"google_logogoogle_gsuper_g_logo"};
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std::vector<const char*> text = {
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"My neighbor came over to say,\n"
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"Although not in a neighborly way,\n\n"
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"That he'd knock me around,\n\n\n"
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"If I didn't stop the sound,\n\n\n\n"
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"Of the classical music I play."};
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std::vector<const char*> long_word = {
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"A_very_very_very_very_very_very_very_very_very_very_very_very_very_very_very_very_"
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"very_very_very_very_very_very_very_very_very_very_very_very_very_very_very_very_"
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"very_very_very_very_very_very_very_very_very_very_very_very_very_very_very_very_"
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"very_very_very_very_very_very_very_long_text"};
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std::vector<const char*> very_long = {
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"A very very very very very very very very very very very very very very very very "
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"very very very very very very very very very very very very very very very very "
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"very very very very very very very very very very very very very very very very "
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"very very very very very very very long text"};
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std::vector<const char*> very_word = {
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"A very_very_very_very_very_very_very_very_very_very "
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"very_very_very_very_very_very_very_very_very_very very very very very very very "
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"very very very very very very very very very very very very very very very very "
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"very very very very very very very very very very very very very long text"};
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SkScalar width = this->width() / 5;
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SkScalar height = this->height();
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drawText(canvas, width, height, long_word, SK_ColorBLACK, SK_ColorWHITE, "Google Sans", 30);
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canvas->translate(width, 0);
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drawText(canvas, width, height, very_long, SK_ColorBLACK, SK_ColorWHITE, "Google Sans", 30);
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canvas->translate(width, 0);
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drawText(canvas, width, height, very_word, SK_ColorBLACK, SK_ColorWHITE, "Google Sans", 30);
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canvas->translate(width, 0);
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drawText(canvas, width, height / 2, text, SK_ColorBLACK, SK_ColorWHITE, "Roboto", 20, 100,
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u"\u2026");
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canvas->translate(0, height / 2);
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drawCode(canvas, width, height / 2);
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canvas->translate(width, -height / 2);
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drawText(canvas, width, height, cupertino, SK_ColorBLACK, SK_ColorWHITE, "Google Sans", 30);
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}
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private:
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typedef Sample INHERITED;
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};
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class ParagraphView3 : public ParagraphView_Base {
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protected:
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SkString name() override { return SkString("Paragraph3"); }
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void drawLine(SkCanvas* canvas, SkScalar w, SkScalar h, const std::string& text,
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TextAlign align, size_t lineLimit = std::numeric_limits<size_t>::max(),
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bool RTL = false, SkColor background = SK_ColorGRAY,
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const std::u16string& ellipsis = u"\u2026") {
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SkAutoCanvasRestore acr(canvas, true);
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canvas->clipRect(SkRect::MakeWH(w, h));
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canvas->drawColor(SK_ColorWHITE);
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SkScalar margin = 20;
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setColor(SK_ColorBLACK);
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SkPaint gray;
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gray.setColor(background);
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SkPaint yellow;
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yellow.setColor(SK_ColorYELLOW);
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TextStyle style;
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style.setBackgroundColor(gray);
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style.setForegroundColor(paint);
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style.setFontFamilies({SkString("sans-serif")});
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style.setFontSize(30);
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ParagraphStyle paraStyle;
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paraStyle.setTextStyle(style);
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paraStyle.setTextAlign(align);
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paraStyle.setMaxLines(lineLimit);
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paraStyle.setEllipsis(ellipsis);
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// paraStyle.setTextDirection(RTL ? SkTextDirection::rtl : SkTextDirection::ltr);
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auto fontCollection = sk_make_sp<FontCollection>();
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fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
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ParagraphBuilderImpl builder(paraStyle, fontCollection);
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if (RTL) {
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builder.addText(mirror(text));
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} else {
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builder.addText(normal(text));
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}
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canvas->drawRect(SkRect::MakeXYWH(margin, margin, w - margin * 2, h - margin * 2), yellow);
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auto paragraph = builder.Build();
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paragraph->layout(w - margin * 2);
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paragraph->paint(canvas, margin, margin);
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}
|
||
|
||
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:
|
||
typedef Sample INHERITED;
|
||
};
|
||
|
||
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:
|
||
typedef Sample INHERITED;
|
||
};
|
||
|
||
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 {
|
||
// icu::UnicodeString unicode((UChar*) text.data(), SkToS32(text.size()));
|
||
// std::string str;
|
||
// unicode.toUTF8String(str);
|
||
// SkDebugf("Text: %s\n", str.c_str());
|
||
builder.addText(text + expected);
|
||
}
|
||
|
||
auto paragraph = builder.Build();
|
||
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:
|
||
typedef Sample INHERITED;
|
||
};
|
||
|
||
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:
|
||
typedef Sample INHERITED;
|
||
};
|
||
|
||
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:
|
||
typedef Sample INHERITED;
|
||
};
|
||
|
||
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:
|
||
typedef Sample INHERITED;
|
||
};
|
||
|
||
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:
|
||
typedef Sample INHERITED;
|
||
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:
|
||
typedef Sample INHERITED;
|
||
};
|
||
|
||
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 {
|
||
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 {
|
||
SkDebugf("-[%d:%d): Bad\n", query.fX, query.fY);
|
||
}
|
||
}
|
||
}
|
||
|
||
private:
|
||
typedef Sample INHERITED;
|
||
};
|
||
|
||
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);
|
||
canvas->drawRect(result.front().rect, paint);
|
||
}
|
||
|
||
private:
|
||
typedef Sample INHERITED;
|
||
};
|
||
|
||
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:
|
||
typedef Sample INHERITED;
|
||
};
|
||
|
||
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:
|
||
typedef Sample INHERITED;
|
||
};
|
||
|
||
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:
|
||
typedef Sample INHERITED;
|
||
};
|
||
|
||
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<";
|
||
|
||
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:
|
||
typedef Sample INHERITED;
|
||
};
|
||
|
||
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.get() == nullptr) {
|
||
ParagraphBuilderImpl builder(paragraph_style, fontCollection);
|
||
builder.pushStyle(text_style);
|
||
auto utf16text = zalgo.zalgo("SkParagraph");
|
||
icu::UnicodeString unicode((UChar*)utf16text.data(), SkToS32(utf16text.size()));
|
||
std::string str;
|
||
unicode.toUTF8String(str);
|
||
SkDebugf("Text:>%s<\n", str.data());
|
||
builder.addText(utf16text);
|
||
fParagraph = builder.Build();
|
||
}
|
||
|
||
auto impl = static_cast<ParagraphImpl*>(fParagraph.get());
|
||
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);
|
||
SkASSERT(false);
|
||
}
|
||
}
|
||
} else {
|
||
SkDebugf("Run[%d]: %s\n", run.index(), fontFamily.c_str());
|
||
SkASSERT(false);
|
||
}
|
||
}
|
||
fRedraw = false;
|
||
fRepeat = false;
|
||
}
|
||
}
|
||
|
||
private:
|
||
bool fRedraw = true;
|
||
bool fRepeat = false;
|
||
size_t fIndex = 0;
|
||
size_t fLimit = 20;
|
||
std::unique_ptr<Paragraph> fParagraph;
|
||
typedef Sample INHERITED;
|
||
};
|
||
|
||
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:
|
||
typedef Sample INHERITED;
|
||
};
|
||
|
||
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:
|
||
typedef Sample INHERITED;
|
||
};
|
||
|
||
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:
|
||
typedef Sample INHERITED;
|
||
};
|
||
|
||
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:
|
||
typedef Sample INHERITED;
|
||
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:
|
||
typedef Sample INHERITED;
|
||
};
|
||
|
||
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:
|
||
typedef Sample INHERITED;
|
||
};
|
||
|
||
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:
|
||
typedef Sample INHERITED;
|
||
};
|
||
|
||
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:
|
||
typedef Sample INHERITED;
|
||
};
|
||
|
||
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) {
|
||
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()) {
|
||
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();
|
||
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) {
|
||
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:
|
||
typedef Sample INHERITED;
|
||
};
|
||
|
||
//////////////////////////////////////////////////////////////////////////////
|
||
|
||
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();)
|