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 13 // This quad would, depending on which aa flags are used, would degenerate when inset. We'd replace 14 // and duplicate some of the inset points to make a triangle. However, one of the triangle points 15 // would be far outside the original quad. 16 DEF_SIMPLE_GM(crbug_1167277, canvas, 230, 320) { 17 canvas->translate(-1250, -900); 18 // Matrix, clip, and quad values taken from Chrome repro scenario. 19 SkMatrix ctm = SkMatrix::MakeAll( 20 SkBits2Float(0xbf8fcfae), SkBits2Float(0xbeae25ee), SkBits2Float(0x449ca6db), 21 SkBits2Float(0x3c9dc40f), SkBits2Float(0xbf950e35), SkBits2Float(0x4487da43), 22 SkBits2Float(0xb8d4d6bc), SkBits2Float(0xb92fbb29), SkBits2Float(0x3f6f605c)); 23 SkRect rect = {SkBits2Float(0x00000000), SkBits2Float(0x00000000), 24 SkBits2Float(0x41880000), SkBits2Float(0x43440000)}; 25 SkPoint clip[4] = {{SkBits2Float(0x3ef434a2), SkBits2Float(0x43440004)}, 26 {SkBits2Float(0x00000000), SkBits2Float(0x43440009)}, 27 {SkBits2Float(0x38ef605d), SkBits2Float(0x38ef605d)}, 28 {SkBits2Float(0x3ef436e3), SkBits2Float(0x396f5d30)}}; 29 SkColor color = SK_ColorGREEN; 30 for (int flags = 0; flags < static_cast<int>(SkCanvas::kAll_QuadAAFlags); ++flags) { 31 SkCanvas::QuadAAFlags aaFlags = static_cast<SkCanvas::QuadAAFlags>(flags); 32 canvas->save(); 33 canvas->concat(ctm); 34 canvas->experimental_DrawEdgeAAQuad(rect, clip, aaFlags, color, SkBlendMode::kSrcOver); 35 canvas->restore(); 36 canvas->translate(5, 0); 37 SkColor rgb = color & 0x00FFFFFF; 38 color = 0xFF000000 | (rgb << 4) | (rgb >> 20); 39 } 40 } 41 42