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