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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "gm.h" | 8 #include "gm.h" |
9 #include "SkCanvas.h" | 9 #include "SkCanvas.h" |
10 #include "SkPath.h" | 10 #include "SkPath.h" |
11 | 11 |
12 namespace skiagm { | 12 class CircularClipsGM : public skiagm::GM { |
| 13 SkScalar fX1, fX2, fY, fR; |
| 14 SkPath fCircle1, fCircle2; |
13 | 15 |
14 class CircularClipsGM : public GM { | |
15 public: | 16 public: |
16 CircularClipsGM() {} | 17 CircularClipsGM() { |
| 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 } |
17 | 26 |
18 protected: | 27 protected: |
19 virtual uint32_t onGetFlags() const SK_OVERRIDE { | 28 virtual uint32_t onGetFlags() const SK_OVERRIDE { |
20 return kSkipTiled_Flag; | 29 return kSkipTiled_Flag | kAsBench_Flag; |
21 } | 30 } |
22 | 31 |
23 virtual SkString onShortName() { | 32 virtual SkString onShortName() { |
24 return SkString("circular-clips"); | 33 return SkString("circular-clips"); |
25 } | 34 } |
26 | 35 |
27 virtual SkISize onISize() { | 36 virtual SkISize onISize() { |
28 return SkISize::Make(800, 600); | 37 return SkISize::Make(800, 600); |
29 } | 38 } |
30 | 39 |
31 virtual void onDraw(SkCanvas* canvas) { | 40 virtual void onDraw(SkCanvas* canvas) { |
32 SkRegion::Op ops[] = { | 41 SkRegion::Op ops[] = { |
33 SkRegion::kDifference_Op, | 42 SkRegion::kDifference_Op, |
34 SkRegion::kIntersect_Op, | 43 SkRegion::kIntersect_Op, |
35 SkRegion::kUnion_Op, | 44 SkRegion::kUnion_Op, |
36 SkRegion::kXOR_Op, | 45 SkRegion::kXOR_Op, |
37 SkRegion::kReverseDifference_Op, | 46 SkRegion::kReverseDifference_Op, |
38 SkRegion::kReplace_Op, | 47 SkRegion::kReplace_Op, |
39 }; | 48 }; |
40 | 49 |
41 SkScalar x1 = 80, x2 = 120; | 50 SkRect rect = SkRect::MakeLTRB(fX1 - fR, fY - fR, fX2 + fR, fY + fR); |
42 SkScalar y = 50; | |
43 SkScalar r = 40; | |
44 | |
45 SkPath circle1, circle2; | |
46 circle1.addCircle(x1, y, r, SkPath::kCW_Direction); | |
47 circle2.addCircle(x2, y, r, SkPath::kCW_Direction); | |
48 SkRect rect = SkRect::MakeLTRB(x1 - r, y - r, x2 + r, y + r); | |
49 | 51 |
50 SkPaint fillPaint; | 52 SkPaint fillPaint; |
51 | 53 |
52 for (size_t i = 0; i < 4; i++) { | 54 for (size_t i = 0; i < 4; i++) { |
53 circle1.toggleInverseFillType(); | 55 fCircle1.toggleInverseFillType(); |
54 if (i % 2 == 0) { | 56 if (i % 2 == 0) { |
55 circle2.toggleInverseFillType(); | 57 fCircle2.toggleInverseFillType(); |
56 } | 58 } |
57 | 59 |
58 canvas->save(); | 60 canvas->save(); |
59 for (size_t op = 0; op < SK_ARRAY_COUNT(ops); op++) { | 61 for (size_t op = 0; op < SK_ARRAY_COUNT(ops); op++) { |
60 canvas->save(); | 62 canvas->save(); |
61 | 63 |
62 canvas->clipPath(circle1, SkRegion::kReplace_Op); | 64 canvas->clipPath(fCircle1, SkRegion::kReplace_Op); |
63 canvas->clipPath(circle2, ops[op]); | 65 canvas->clipPath(fCircle2, ops[op]); |
64 | 66 |
65 canvas->drawRect(rect, fillPaint); | 67 canvas->drawRect(rect, fillPaint); |
66 | 68 |
67 canvas->restore(); | 69 canvas->restore(); |
68 canvas->translate(0, 2 * y); | 70 canvas->translate(0, 2 * fY); |
69 } | 71 } |
70 canvas->restore(); | 72 canvas->restore(); |
71 canvas->translate(x1 + x2, 0); | 73 canvas->translate(fX1 + fX2, 0); |
72 } | 74 } |
73 } | 75 } |
74 | 76 |
75 private: | 77 private: |
76 typedef GM INHERITED; | 78 typedef skiagm::GM INHERITED; |
77 }; | 79 }; |
78 | 80 |
79 ////////////////////////////////////////////////////////////////////////////// | 81 ////////////////////////////////////////////////////////////////////////////// |
80 | 82 |
81 DEF_GM( return new CircularClipsGM; ) | 83 DEF_GM( return new CircularClipsGM; ) |
82 } | |
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