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
18class DashCubicsGM : public skiagm::GM {
19public:
20    DashCubicsGM() {}
21
22protected:
23    virtual uint32_t onGetFlags() const SK_OVERRIDE {
24        return kSkipTiled_Flag;
25    }
26
27    virtual SkString onShortName() {
28        return SkString("dashcubics");
29    }
30
31    virtual SkISize onISize() {
32        return SkISize::Make(640, 480);
33    }
34
35    virtual void onDraw(SkCanvas* canvas) {
36        SkPath path;
37        const char* d = "M 337,98 C 250,141 250,212 250,212 C 250,212 250,212 250,212"
38        "C 250,212 250,212 250,212 C 250,212 250,141 163,98 C 156,195 217,231 217,231"
39        "C 217,231 217,231 217,231 C 217,231 217,231 217,231 C 217,231 156,195 75,250"
40        "C 156,305 217,269 217,269 C 217,269 217,269 217,269 C 217,269 217,269 217,269"
41        "C 217,269 156,305 163,402 C 250,359 250,288 250,288 C 250,288 250,288 250,288"
42        "C 250,288 250,288 250,288 C 250,288 250,359 338,402 C 345,305 283,269 283,269"
43        "C 283,269 283,269 283,269 C 283,269 283,269 283,269 C 283,269 345,305 425,250"
44        "C 344,195 283,231 283,231 C 283,231 283,231 283,231 C 283,231 283,231 283,231"
45        "C 283,231 344,195 338,98";
46
47        SkParsePath::FromSVGString(d, &path);
48
49        SkScalar intervals[] = { 5, 10 };
50        SkPathEffect* pe = SkDashPathEffect::Create(intervals, 2, 0);
51
52        SkPaint paint;
53        paint.setAntiAlias(true);
54        paint.setStyle(SkPaint::kStroke_Style);
55
56        paint.setStrokeWidth(42);
57        canvas->drawPath(path, paint);
58
59        paint.setColor(SK_ColorRED);
60        paint.setStrokeWidth(21);
61        paint.setPathEffect(pe)->unref();
62        canvas->drawPath(path, paint);
63
64        paint.setColor(SK_ColorGREEN);
65        paint.setPathEffect(NULL);
66        paint.setStrokeWidth(0);
67        canvas->drawPath(path, paint);
68    }
69
70private:
71    typedef GM INHERITED;
72};
73
74//////////////////////////////////////////////////////////////////////////////
75
76static skiagm::GM* MyFactory(void*) { return new DashCubicsGM; }
77static skiagm::GMRegistry reg(MyFactory);
78