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,
18 SkScalar intervals[2], SkPaint::Join join) {
19 SkPathEffect* pe = SkDashPathEffect::Create(intervals, 2, 0);
20
21 SkPaint paint;
22 paint.setAntiAlias(true);
23 paint.setStyle(SkPaint::kStroke_Style);
24 paint.setStrokeJoin(join);
25 paint.setStrokeWidth(42);
26 canvas->drawPath(path, paint);
27
28 paint.setColor(SK_ColorRED);
29 paint.setStrokeWidth(21);
30 paint.setPathEffect(pe)->unref();
31 canvas->drawPath(path, paint);
32
33 paint.setColor(SK_ColorGREEN);
34 paint.setPathEffect(nullptr);
35 paint.setStrokeWidth(0);
36 canvas->drawPath(path, paint);
37 }
38
39 DEF_SIMPLE_GM(dashcubics, canvas, 860, 700) {
40 SkPath path;
41 const char* d = "M 337,98 C 250,141 250,212 250,212 C 250,212 250,212 250,212"
42 "C 250,212 250,212 250,212 C 250,212 250,141 163,98 C 156,195 217,231 217,231"
43 "C 217,231 217,231 217,231 C 217,231 217,231 217,231 C 217,231 156,195 75,250"
44 "C 156,305 217,269 217,269 C 217,269 217,269 217,269 C 217,269 217,269 217,269"
45 "C 217,269 156,305 163,402 C 250,359 250,288 250,288 C 250,288 250,288 250,288"
46 "C 250,288 250,288 250,288 C 250,288 250,359 338,402 C 345,305 283,269 283,269"
47 "C 283,269 283,269 283,269 C 283,269 283,269 283,269 C 283,269 345,305 425,250"
48 "C 344,195 283,231 283,231 C 283,231 283,231 283,231 C 283,231 283,231 283,231"
49 "C 283,231 344,195 338,98";
50
51 SkParsePath::FromSVGString(d, &path);
52 canvas->translate(-35.f, -55.f);
53 for (int x = 0; x < 2; ++x) {
54 for (int y = 0; y < 2; ++y) {
55 canvas->save();
56 canvas->translate(x * 430.f, y * 355.f);
57 SkScalar intervals[] = { 5 + (x ? 0 : 0.0001f + 0.0001f), 10 };
58 flower(canvas, path, intervals, y ? SkPaint::kDefault_Join : SkPaint::kRound_Join);
59 canvas->restore();
60 }
61 }
62 }
63