C++11 override should now be supported by all of {bots,Chrome,Android,Mozilla}
[platform/upstream/libSkiaSharp.git] / gm / circularclips.cpp
1 /*
2  * Copyright 2013 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
12 class CircularClipsGM : public skiagm::GM {
13     SkScalar fX1, fX2, fY, fR;
14     SkPath   fCircle1, fCircle2;
15
16 protected:
17     void onOnceBeforeDraw() override {
18         fX1 = 80;
19         fX2 = 120;
20         fY = 50;
21         fR = 40;
22
23         fCircle1.addCircle(fX1, fY, fR, SkPath::kCW_Direction);
24         fCircle2.addCircle(fX2, fY, fR, SkPath::kCW_Direction);
25     }
26
27
28     bool runAsBench() const override { return true; }
29
30     SkString onShortName() override {
31         return SkString("circular-clips");
32     }
33
34     SkISize onISize() override {
35         return SkISize::Make(800, 600);
36     }
37
38     void onDraw(SkCanvas* canvas) override {
39         SkRegion::Op ops[] = {
40             SkRegion::kDifference_Op,
41             SkRegion::kIntersect_Op,
42             SkRegion::kUnion_Op,
43             SkRegion::kXOR_Op,
44             SkRegion::kReverseDifference_Op,
45             SkRegion::kReplace_Op,
46         };
47
48         SkRect rect = SkRect::MakeLTRB(fX1 - fR, fY - fR, fX2 + fR, fY + fR);
49
50         SkPaint fillPaint;
51
52         for (size_t i = 0; i < 4; i++) {
53             fCircle1.toggleInverseFillType();
54             if (i % 2 == 0) {
55                 fCircle2.toggleInverseFillType();
56             }
57
58             canvas->save();
59             for (size_t op = 0; op < SK_ARRAY_COUNT(ops); op++) {
60                 canvas->save();
61
62                 canvas->clipPath(fCircle1, SkRegion::kReplace_Op);
63                 canvas->clipPath(fCircle2, ops[op]);
64
65                 canvas->drawRect(rect, fillPaint);
66
67                 canvas->restore();
68                 canvas->translate(0, 2 * fY);
69             }
70             canvas->restore();
71             canvas->translate(fX1 + fX2, 0);
72         }
73     }
74
75 private:
76     typedef skiagm::GM INHERITED;
77 };
78
79 //////////////////////////////////////////////////////////////////////////////
80
81 DEF_GM( return new CircularClipsGM; )