1 /*
2 * Copyright 2012 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.h"
9 #include "SkCanvas.h"
10 #include "SkPath.h"
11 #include "SkParsePath.h"
12 #include "SkDashPathEffect.h"
13
14 /*
15 * Inspired by http://code.google.com/p/chromium/issues/detail?id=112145
16 */
flower(SkCanvas * canvas,const SkPath & path,SkScalar intervals[2],SkPaint::Join join)17 static void flower(SkCanvas* canvas, const SkPath& path, SkScalar intervals[2],
18 SkPaint::Join join) {
19 SkPaint paint;
20 paint.setAntiAlias(true);
21 paint.setStyle(SkPaint::kStroke_Style);
22 paint.setStrokeJoin(join);
23 paint.setStrokeWidth(42);
24 canvas->drawPath(path, paint);
25
26 paint.setColor(SK_ColorRED);
27 paint.setStrokeWidth(21);
28 paint.setPathEffect(SkDashPathEffect::Make(intervals, 2, 0));
29 canvas->drawPath(path, paint);
30
31 paint.setColor(SK_ColorGREEN);
32 paint.setPathEffect(nullptr);
33 paint.setStrokeWidth(0);
34 canvas->drawPath(path, paint);
35 }
36
37 DEF_SIMPLE_GM(dashcubics, canvas, 865, 750) {
38 SkPath path;
39 const char* d = "M 337,98 C 250,141 250,212 250,212 C 250,212 250,212 250,212"
40 "C 250,212 250,212 250,212 C 250,212 250,141 163,98 C 156,195 217,231 217,231"
41 "C 217,231 217,231 217,231 C 217,231 217,231 217,231 C 217,231 156,195 75,250"
42 "C 156,305 217,269 217,269 C 217,269 217,269 217,269 C 217,269 217,269 217,269"
43 "C 217,269 156,305 163,402 C 250,359 250,288 250,288 C 250,288 250,288 250,288"
44 "C 250,288 250,288 250,288 C 250,288 250,359 338,402 C 345,305 283,269 283,269"
45 "C 283,269 283,269 283,269 C 283,269 283,269 283,269 C 283,269 345,305 425,250"
46 "C 344,195 283,231 283,231 C 283,231 283,231 283,231 C 283,231 283,231 283,231"
47 "C 283,231 344,195 338,98";
48
49 SkParsePath::FromSVGString(d, &path);
50 canvas->translate(-35.f, -55.f);
51 for (int x = 0; x < 2; ++x) {
52 for (int y = 0; y < 2; ++y) {
53 canvas->save();
54 canvas->translate(x * 430.f, y * 355.f);
55 SkScalar intervals[] = { 5 + (x ? 0 : 0.0001f + 0.0001f), 10 };
56 flower(canvas, path, intervals, y ? SkPaint::kDefault_Join : SkPaint::kRound_Join);
57 canvas->restore();
58 }
59 }
60 }
61