1 /* 2 * Copyright 2018 Google Inc. 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/SkColor.h" 11 #include "include/core/SkPaint.h" 12 #include "include/core/SkRect.h" 13 14 DEF_SIMPLE_GM(b_119394958, canvas, 100, 100) { 15 // The root cause of this bug was that a stroked arc with round caps was batched with a filled 16 // circle. The circle op code would choose a GeometryProcessor configuration that expected round 17 // cap centers as vertex attributes. However, the tessellation code for the filled circle would 18 // not put in dummy round cap centers and then didn't advance the pointer into which vertex data 19 // was being written by the expected vertex stride. 20 SkPaint paint; 21 paint.setColor(SK_ColorBLUE); 22 paint.setAntiAlias(true); 23 canvas->drawCircle(50, 50, 45, paint); 24 paint.setColor(SK_ColorGREEN); 25 paint.setStyle(SkPaint::kStroke_Style); 26 paint.setStrokeWidth(5); 27 canvas->drawCircle(50, 50, 35, paint); 28 paint.setColor(SK_ColorRED); 29 paint.setStrokeCap(SkPaint::kRound_Cap); 30 canvas->drawArc(SkRect::MakeLTRB(30, 30, 70, 70), 0, 110, false, paint); 31 } 32