1 /* 2 * Copyright 2021 Google LLC 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "gm/gm.h" 9 #include "include/core/SkCanvas.h" 10 #include "include/core/SkMatrix.h" 11 #include "include/core/SkRect.h" 12 #include "src/base/SkFloatBits.h" 13 14 // This quad would, depending on which aa flags are used, would degenerate when inset. We'd replace 15 // and duplicate some of the inset points to make a triangle. However, one of the triangle points 16 // would be far outside the original quad. 17 DEF_SIMPLE_GM(crbug_1167277, canvas, 230, 320) { 18 canvas->translate(-1250, -900); 19 // Matrix, clip, and quad values taken from Chrome repro scenario. 20 SkMatrix ctm = SkMatrix::MakeAll( 21 SkBits2Float(0xbf8fcfae), SkBits2Float(0xbeae25ee), SkBits2Float(0x449ca6db), 22 SkBits2Float(0x3c9dc40f), SkBits2Float(0xbf950e35), SkBits2Float(0x4487da43), 23 SkBits2Float(0xb8d4d6bc), SkBits2Float(0xb92fbb29), SkBits2Float(0x3f6f605c)); 24 SkRect rect = {SkBits2Float(0x00000000), SkBits2Float(0x00000000), 25 SkBits2Float(0x41880000), SkBits2Float(0x43440000)}; 26 SkPoint clip[4] = {{SkBits2Float(0x3ef434a2), SkBits2Float(0x43440004)}, 27 {SkBits2Float(0x00000000), SkBits2Float(0x43440009)}, 28 {SkBits2Float(0x38ef605d), SkBits2Float(0x38ef605d)}, 29 {SkBits2Float(0x3ef436e3), SkBits2Float(0x396f5d30)}}; 30 SkColor color = SK_ColorGREEN; 31 for (int flags = 0; flags < static_cast<int>(SkCanvas::kAll_QuadAAFlags); ++flags) { 32 SkCanvas::QuadAAFlags aaFlags = static_cast<SkCanvas::QuadAAFlags>(flags); 33 canvas->save(); 34 canvas->concat(ctm); 35 canvas->experimental_DrawEdgeAAQuad(rect, clip, aaFlags, color, SkBlendMode::kSrcOver); 36 canvas->restore(); 37 canvas->translate(5, 0); 38 SkColor rgb = color & 0x00FFFFFF; 39 color = 0xFF000000 | (rgb << 4) | (rgb >> 20); 40 } 41 } 42 43