| /* |
| * Copyright 2020 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 ColrV1TestFont { |
| kSkiaSampleFont, |
| kColorFontsRepoSampleFont |
| }; |
| |
| ColrV1GM(ColrV1TestFont useTestFont, SkScalar skewX, SkScalar rotateDeg) : fSkewX(skewX), fRotateDeg(rotateDeg), fTestFont(useTestFont) { } |
| |
| protected: |
| 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 (fTestFont == kSkiaSampleFont) { |
| fEmojiFont.fTypeface = MakeResourceAsTypeface("fonts/colrv1_samples.ttf"); |
| fEmojiFont.fGlyphs = {19, 33, 34, 35, 20, 21, 22, 23, 24, 25}; |
| } else { |
| fEmojiFont.fTypeface = MakeResourceAsTypeface("fonts/more_samples-glyf_colr_1.ttf"); |
| fEmojiFont.fGlyphs = {5, 6, 7, 8}; |
| } |
| } |
| |
| SkString onShortName() override { |
| SkString gm_name = SkStringPrintf("colrv1_%s_samples", |
| fTestFont == kSkiaSampleFont ? "skia" : "color_repo"); |
| 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; |
| for (SkScalar textSize : { 12, 18, 30, 120 }) { |
| font.setSize(textSize); |
| font.getMetrics(&metrics); |
| y += -metrics.fAscent; |
| canvas->drawSimpleText(fEmojiFont.fGlyphs.data(), |
| fEmojiFont.bytesize(), |
| SkTextEncoding::kGlyphID, |
| 10, y, font, paint); |
| y += metrics.fDescent + metrics.fLeading; |
| } |
| return DrawResult::kOk; |
| } |
| |
| private: |
| using INHERITED = GM; |
| SkScalar fSkewX; |
| SkScalar fRotateDeg; |
| ColrV1TestFont fTestFont; |
| }; |
| |
| 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::kColorFontsRepoSampleFont, 0.f, 0.f);) |
| |
| } // namespace skiagm |