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 */
17
18 class DashCubicsGM : public skiagm::GM {
19 public:
DashCubicsGM()20 DashCubicsGM() {}
21
22 protected:
onShortName()23 virtual SkString onShortName() {
24 return SkString("dashcubics");
25 }
26
onISize()27 virtual SkISize onISize() {
28 return SkISize::Make(640, 480);
29 }
30
onDraw(SkCanvas * canvas)31 virtual void onDraw(SkCanvas* canvas) {
32 SkPath path;
33 const char* d = "M 337,98 C 250,141 250,212 250,212 C 250,212 250,212 250,212"
34 "C 250,212 250,212 250,212 C 250,212 250,141 163,98 C 156,195 217,231 217,231"
35 "C 217,231 217,231 217,231 C 217,231 217,231 217,231 C 217,231 156,195 75,250"
36 "C 156,305 217,269 217,269 C 217,269 217,269 217,269 C 217,269 217,269 217,269"
37 "C 217,269 156,305 163,402 C 250,359 250,288 250,288 C 250,288 250,288 250,288"
38 "C 250,288 250,288 250,288 C 250,288 250,359 338,402 C 345,305 283,269 283,269"
39 "C 283,269 283,269 283,269 C 283,269 283,269 283,269 C 283,269 345,305 425,250"
40 "C 344,195 283,231 283,231 C 283,231 283,231 283,231 C 283,231 283,231 283,231"
41 "C 283,231 344,195 338,98";
42
43 SkParsePath::FromSVGString(d, &path);
44
45 SkScalar intervals[] = { 5, 10 };
46 SkPathEffect* pe = new SkDashPathEffect(intervals, 2, 0);
47
48 SkPaint paint;
49 paint.setAntiAlias(true);
50 paint.setStyle(SkPaint::kStroke_Style);
51
52 paint.setStrokeWidth(42);
53 canvas->drawPath(path, paint);
54
55 paint.setColor(SK_ColorRED);
56 paint.setStrokeWidth(21);
57 paint.setPathEffect(pe)->unref();
58 canvas->drawPath(path, paint);
59
60 paint.setColor(SK_ColorGREEN);
61 paint.setPathEffect(NULL);
62 paint.setStrokeWidth(0);
63 canvas->drawPath(path, paint);
64 }
65
66 private:
67 typedef GM INHERITED;
68 };
69
70 //////////////////////////////////////////////////////////////////////////////
71
MyFactory(void *)72 static skiagm::GM* MyFactory(void*) { return new DashCubicsGM; }
73 static skiagm::GMRegistry reg(MyFactory);
74