1/*
2 * Copyright 2016 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#include "gm.h"
8#include "SkCanvas.h"
9#include "SkPath.h"
10#include "SkClipOpPriv.h"
11
12namespace skiagm {
13
14//this test exercise SkCanvas::setDeviceClipRestriction behavior
15class ComplexClip4GM : public GM {
16public:
17  ComplexClip4GM(bool aaclip)
18    : fDoAAClip(aaclip) {
19        this->setBGColor(0xFFDEDFDE);
20    }
21
22protected:
23
24
25    SkString onShortName() {
26        SkString str;
27        str.printf("complexclip4_%s",
28                   fDoAAClip ? "aa" : "bw");
29        return str;
30    }
31
32    SkISize onISize() { return SkISize::Make(970, 780); }
33
34    virtual void onDraw(SkCanvas* canvas) {
35        SkPaint p;
36        p.setAntiAlias(fDoAAClip);
37        p.setColor(SK_ColorYELLOW);
38
39        canvas->save();
40            // draw a yellow rect through a rect clip
41            canvas->save();
42                canvas->androidFramework_setDeviceClipRestriction(SkIRect::MakeLTRB(100, 100, 300, 300));
43                canvas->drawColor(SK_ColorGREEN);
44                canvas->clipRect(SkRect::MakeLTRB(100, 200, 400, 500),
45                                 kReplace_SkClipOp, fDoAAClip);
46                canvas->drawRect(SkRect::MakeLTRB(100, 200, 400, 500), p);
47            canvas->restore();
48
49            // draw a yellow rect through a diamond clip
50            canvas->save();
51                canvas->androidFramework_setDeviceClipRestriction(SkIRect::MakeLTRB(500, 100, 800, 300));
52                canvas->drawColor(SK_ColorGREEN);
53
54                SkPath pathClip;
55                pathClip.moveTo(SkIntToScalar(650),  SkIntToScalar(200));
56                pathClip.lineTo(SkIntToScalar(900), SkIntToScalar(300));
57                pathClip.lineTo(SkIntToScalar(650), SkIntToScalar(400));
58                pathClip.lineTo(SkIntToScalar(650), SkIntToScalar(300));
59                pathClip.close();
60                canvas->clipPath(pathClip, kReplace_SkClipOp, fDoAAClip);
61                canvas->drawRect(SkRect::MakeLTRB(500, 200, 900, 500), p);
62            canvas->restore();
63
64            // draw a yellow rect through a round rect clip
65            canvas->save();
66                canvas->androidFramework_setDeviceClipRestriction(SkIRect::MakeLTRB(500, 500, 800, 700));
67                canvas->drawColor(SK_ColorGREEN);
68
69                canvas->clipRRect(SkRRect::MakeOval(SkRect::MakeLTRB(500, 600, 900, 750)),
70                                  kReplace_SkClipOp, fDoAAClip);
71                canvas->drawRect(SkRect::MakeLTRB(500, 600, 900, 750), p);
72            canvas->restore();
73
74            // fill the clip with yellow color showing that androidFramework_setDeviceClipRestriction
75            // intersects with the current clip
76            canvas->save();
77                canvas->clipRect(SkRect::MakeLTRB(100, 400, 300, 750),
78                                 kIntersect_SkClipOp, fDoAAClip);
79                canvas->drawColor(SK_ColorGREEN);
80                canvas->androidFramework_setDeviceClipRestriction(SkIRect::MakeLTRB(150, 450, 250, 700));
81                canvas->drawColor(SK_ColorYELLOW);
82            canvas->restore();
83
84        canvas->restore();
85    }
86private:
87
88    bool fDoAAClip;
89
90    typedef GM INHERITED;
91};
92
93//////////////////////////////////////////////////////////////////////////////
94
95DEF_GM(return new ComplexClip4GM(false);)
96DEF_GM(return new ComplexClip4GM(true);)
97}
98