| /* |
| * Copyright 2023 Google LLC |
| * |
| * 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/SkPaint.h" |
| #include "include/core/SkRect.h" |
| #include "include/core/SkString.h" |
| |
| namespace skiagm { |
| |
| // From crbug.com/1442854. Draws two rects (equivalent in device space) but which vary wildly |
| // in their sizes and scales. In both cases the clip is what is actually determining the |
| // final drawn geometry. For the red rectangle case the inverted skews were becoming very small and |
| // ran afoul of some logic in the DMSAA code that zeroed them out. |
| class ScaledRectsGM : public GM { |
| public: |
| ScaledRectsGM() { |
| this->setBGColor(0xFFCCCCCC); |
| } |
| |
| protected: |
| SkString getName() const override { return SkString("scaledrects"); } |
| |
| SkISize getISize() override { return SkISize::Make(128, 64); } |
| |
| void onDraw(SkCanvas* canvas) override { |
| canvas->clipRect(SkRect::MakeXYWH(10, 50, 100, 10)); |
| |
| { |
| SkPaint blue; |
| blue.setColor(SK_ColorBLUE); |
| |
| canvas->setMatrix(SkMatrix::MakeAll( 3.0f, -0.5f, 0.0f, |
| -0.5f, -3.0f, 0.0f, |
| 0.0f, 0.0f, 1.0f)); |
| |
| canvas->drawRect(SkRect::MakeXYWH(-1000, -1000, 2000, 2000), blue); |
| } |
| |
| { |
| SkPaint red; |
| red.setColor(SK_ColorRED); |
| red.setBlendMode(SkBlendMode::kPlus); |
| |
| canvas->setMatrix(SkMatrix::MakeAll(3000.0f, -500.0f, 0.0f, |
| -500.0f, -3000.0f, 0.0f, |
| 0.0f, 0.0f, 1.0f)); |
| |
| canvas->drawRect(SkRect::MakeXYWH(-1, -1, 2, 2), red); |
| } |
| } |
| }; |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| DEF_GM(return new ScaledRectsGM;) |
| |
| } // namespace skiagm |