| /* |
| * Copyright 2021 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "gm/gm.h" |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkColor.h" |
| #include "include/core/SkFont.h" |
| #include "include/core/SkFontMetrics.h" |
| #include "include/core/SkPaint.h" |
| #include "include/core/SkRefCnt.h" |
| #include "include/core/SkScalar.h" |
| #include "include/core/SkSize.h" |
| #include "include/core/SkString.h" |
| #include "include/core/SkTypeface.h" |
| #include "tools/Resources.h" |
| #include "tools/ToolUtils.h" |
| |
| #include <string.h> |
| #include <initializer_list> |
| |
| namespace skiagm { |
| |
| class ColrV1GM : public GM { |
| public: |
| |
| // TODO(drott): Consolidate test fonts. |
| enum ColrV1TestType { |
| kSkiaSampleFont, |
| kColorFontsRepoGradients, |
| kColorFontsRepoScaling, |
| kColorFontsRepoExtendMode, |
| kColorFontsRepoRotate, |
| kColorFontsRepoSkew, |
| kColorFontsRepoTransform, |
| kColorFontsRepoClipBox, |
| kColorFontsRepoComposite, |
| kColorFontsRepoForeground, |
| kColorFontsRepoSweepPad, |
| kColorFontsRepoSweepReflect, |
| kColorFontsRepoSweepRepeat, |
| }; |
| |
| ColrV1GM(ColrV1TestType testType, SkScalar skewX, SkScalar rotateDeg) |
| : fSkewX(skewX), fRotateDeg(rotateDeg), fTestType(testType) {} |
| |
| protected: |
| static SkString testTypeToString(ColrV1TestType testType) { |
| switch (testType) { |
| case kSkiaSampleFont: |
| return SkString("skia"); |
| case kColorFontsRepoGradients: |
| return SkString("gradients"); |
| case kColorFontsRepoScaling: |
| return SkString("scaling"); |
| case kColorFontsRepoExtendMode: |
| return SkString("extend_mode"); |
| case kColorFontsRepoRotate: |
| return SkString("rotate"); |
| case kColorFontsRepoSkew: |
| return SkString("skew"); |
| case kColorFontsRepoTransform: |
| return SkString("transform"); |
| case kColorFontsRepoClipBox: |
| return SkString("clipbox"); |
| case kColorFontsRepoComposite: |
| return SkString("composite"); |
| case kColorFontsRepoForeground: |
| return SkString("foreground"); |
| case kColorFontsRepoSweepPad: |
| return SkString("sweep_pad"); |
| case kColorFontsRepoSweepReflect: |
| return SkString("sweep_reflect"); |
| case kColorFontsRepoSweepRepeat: |
| return SkString("sweep_repeat"); |
| } |
| SkASSERT(false); /* not reached */ |
| return SkString(); |
| } |
| |
| struct EmojiFont { |
| sk_sp<SkTypeface> fTypeface; |
| std::vector<uint16_t> fGlyphs; |
| size_t bytesize() { return fGlyphs.size() * sizeof(uint16_t); } |
| } fEmojiFont; |
| |
| void onOnceBeforeDraw() override { |
| if (fTestType == kSkiaSampleFont) { |
| fEmojiFont.fTypeface = MakeResourceAsTypeface("fonts/colrv1_samples.ttf"); |
| fEmojiFont.fGlyphs = {19, 33, 34, 35, 20, 21, 22, 23, 24, 25}; |
| return; |
| } |
| |
| fEmojiFont.fTypeface = MakeResourceAsTypeface("fonts/more_samples-glyf_colr_1.ttf"); |
| |
| switch (fTestType) { |
| case kSkiaSampleFont: |
| SkASSERT(false); |
| break; |
| case kColorFontsRepoGradients: |
| fEmojiFont.fGlyphs = {2, 5, 6, 7, 8, 55}; |
| break; |
| case kColorFontsRepoScaling: |
| fEmojiFont.fGlyphs = {9, 10, 11, 12, 13, 14}; |
| break; |
| case kColorFontsRepoExtendMode: |
| fEmojiFont.fGlyphs = {15, 16, 17, 18, 19, 20}; |
| break; |
| case kColorFontsRepoRotate: |
| fEmojiFont.fGlyphs = {21, 22, 23, 24}; |
| break; |
| case kColorFontsRepoSkew: |
| fEmojiFont.fGlyphs = {25, 26, 27, 28, 29, 30}; |
| break; |
| case kColorFontsRepoTransform: |
| fEmojiFont.fGlyphs = {31, 32, 33, 34}; |
| break; |
| case kColorFontsRepoClipBox: |
| fEmojiFont.fGlyphs = {35, 36, 37, 38, 39}; |
| break; |
| case kColorFontsRepoComposite: |
| fEmojiFont.fGlyphs = {40, 41, 42, 43, 44, 45, 46}; |
| break; |
| case kColorFontsRepoForeground: |
| fEmojiFont.fGlyphs = {47, 48, 49, 50, 51, 52, 53, 54}; |
| break; |
| case kColorFontsRepoSweepPad: |
| fEmojiFont.fGlyphs = {2, 58, 59, 60, 61, 62, 63, 64}; |
| break; |
| case kColorFontsRepoSweepReflect: |
| fEmojiFont.fGlyphs = {65, 66, 67, 68, 69, 70, 71, 72}; |
| break; |
| case kColorFontsRepoSweepRepeat: |
| fEmojiFont.fGlyphs = {73, 74, 75, 76, 77, 78, 79, 80}; |
| break; |
| } |
| } |
| |
| SkString onShortName() override { |
| SkString gm_name = SkStringPrintf("colrv1_%s_samples", |
| testTypeToString(fTestType).c_str()); |
| if (fSkewX) { |
| gm_name.append("_skew"); |
| } |
| |
| if (fRotateDeg) { |
| gm_name.append("_rotate"); |
| } |
| return gm_name; |
| } |
| |
| SkISize onISize() override { return SkISize::Make(1400, 600); } |
| |
| DrawResult onDraw(SkCanvas* canvas, SkString* errorMsg) override { |
| canvas->drawColor(SK_ColorWHITE); |
| SkPaint paint; |
| |
| canvas->translate(200, 20); |
| |
| if (!fEmojiFont.fTypeface) { |
| *errorMsg = "Did not recognize COLR v1 font format."; |
| return DrawResult::kSkip; |
| } |
| |
| canvas->rotate(fRotateDeg); |
| canvas->skew(fSkewX, 0); |
| |
| SkFont font(fEmojiFont.fTypeface); |
| |
| SkFontMetrics metrics; |
| SkScalar y = 0; |
| std::vector<SkColor> paint_colors = { |
| SK_ColorBLACK, SK_ColorGREEN, SK_ColorRED, SK_ColorBLUE}; |
| auto paint_color_iterator = paint_colors.begin(); |
| for (SkScalar textSize : { 12, 18, 30, 120 }) { |
| font.setSize(textSize); |
| font.getMetrics(&metrics); |
| y += -metrics.fAscent; |
| paint.setColor(*paint_color_iterator); |
| canvas->drawSimpleText(fEmojiFont.fGlyphs.data(), |
| fEmojiFont.bytesize(), |
| SkTextEncoding::kGlyphID, |
| 10, y, font, paint); |
| y += metrics.fDescent + metrics.fLeading; |
| paint_color_iterator++; |
| } |
| return DrawResult::kOk; |
| } |
| |
| private: |
| using INHERITED = GM; |
| SkScalar fSkewX; |
| SkScalar fRotateDeg; |
| ColrV1TestType fTestType; |
| }; |
| |
| DEF_GM(return new ColrV1GM(ColrV1GM::kSkiaSampleFont, 0.f, 0.f);) |
| DEF_GM(return new ColrV1GM(ColrV1GM::kSkiaSampleFont, -0.5f, 0.f);) |
| DEF_GM(return new ColrV1GM(ColrV1GM::kSkiaSampleFont, 0.f, 20.f);) |
| DEF_GM(return new ColrV1GM(ColrV1GM::kSkiaSampleFont, -0.5f, 20.f);) |
| DEF_GM(return new ColrV1GM(ColrV1GM::kColorFontsRepoGradients, 0.f, 0.f);) |
| DEF_GM(return new ColrV1GM(ColrV1GM::kColorFontsRepoScaling, 0.f, 0.f);) |
| DEF_GM(return new ColrV1GM(ColrV1GM::kColorFontsRepoExtendMode, 0.f, 0.f);) |
| DEF_GM(return new ColrV1GM(ColrV1GM::kColorFontsRepoRotate, 0.f, 0.f);) |
| DEF_GM(return new ColrV1GM(ColrV1GM::kColorFontsRepoSkew, 0.f, 0.f);) |
| DEF_GM(return new ColrV1GM(ColrV1GM::kColorFontsRepoTransform, 0.f, 0.f);) |
| DEF_GM(return new ColrV1GM(ColrV1GM::kColorFontsRepoClipBox, 0.f, 0.f);) |
| DEF_GM(return new ColrV1GM(ColrV1GM::kColorFontsRepoClipBox, -0.5f, 20.f);) |
| DEF_GM(return new ColrV1GM(ColrV1GM::kColorFontsRepoComposite, 0.f, 0.f);) |
| DEF_GM(return new ColrV1GM(ColrV1GM::kColorFontsRepoForeground, 0.f, 0.f);) |
| DEF_GM(return new ColrV1GM(ColrV1GM::kColorFontsRepoSweepPad, 0.f, 0.f);) |
| DEF_GM(return new ColrV1GM(ColrV1GM::kColorFontsRepoSweepReflect, 0.f, 0.f);) |
| DEF_GM(return new ColrV1GM(ColrV1GM::kColorFontsRepoSweepRepeat, 0.f, 0.f);) |
| |
| } // namespace skiagm |