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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 // Reproduces https://code.google.com/p/chromium/issues/detail?id=279014 | 12 // Reproduces https://code.google.com/p/chromium/issues/detail?id=279014 |
13 | 13 |
14 static const int kWidth = 640; | 14 static const int kWidth = 640; |
15 static const int kHeight = 480; | 15 static const int kHeight = 480; |
16 static const SkScalar kAngle = 0.305f; | 16 static const SkScalar kAngle = 0.305f; |
17 | 17 |
18 // Renders a string art shape. | 18 // Renders a string art shape. |
19 // The particular shape rendered can be controlled by adjusting kAngle, from 0 t
o 1 | 19 // The particular shape rendered can be controlled by adjusting kAngle, from 0 t
o 1 |
20 | 20 |
21 class StringArtGM : public skiagm::GM { | 21 class StringArtGM : public skiagm::GM { |
22 public: | 22 public: |
23 StringArtGM() {} | 23 StringArtGM() {} |
24 | 24 |
25 protected: | 25 protected: |
26 virtual uint32_t onGetFlags() const SK_OVERRIDE { | 26 uint32_t onGetFlags() const SK_OVERRIDE { |
27 return kSkipTiled_Flag; | 27 return kSkipTiled_Flag; |
28 } | 28 } |
29 | 29 |
30 virtual SkString onShortName() SK_OVERRIDE { | 30 SkString onShortName() SK_OVERRIDE { |
31 return SkString("stringart"); | 31 return SkString("stringart"); |
32 } | 32 } |
33 | 33 |
34 virtual SkISize onISize() SK_OVERRIDE { | 34 SkISize onISize() SK_OVERRIDE { |
35 return SkISize::Make(kWidth, kHeight); | 35 return SkISize::Make(kWidth, kHeight); |
36 } | 36 } |
37 | 37 |
38 virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { | 38 void onDraw(SkCanvas* canvas) SK_OVERRIDE { |
39 SkScalar angle = kAngle*SK_ScalarPI + SkScalarHalf(SK_ScalarPI); | 39 SkScalar angle = kAngle*SK_ScalarPI + SkScalarHalf(SK_ScalarPI); |
40 SkScalar size = SkIntToScalar(SkMin32(kWidth, kHeight)); | 40 SkScalar size = SkIntToScalar(SkMin32(kWidth, kHeight)); |
41 SkPoint center = SkPoint::Make(SkScalarHalf(kWidth), SkScalarHalf(kHeigh
t)); | 41 SkPoint center = SkPoint::Make(SkScalarHalf(kWidth), SkScalarHalf(kHeigh
t)); |
42 SkScalar length = 5; | 42 SkScalar length = 5; |
43 SkScalar step = angle; | 43 SkScalar step = angle; |
44 | 44 |
45 SkPath path; | 45 SkPath path; |
46 path.moveTo(center); | 46 path.moveTo(center); |
47 | 47 |
48 while (length < (SkScalarHalf(size) - 10.f)) | 48 while (length < (SkScalarHalf(size) - 10.f)) |
(...skipping 12 matching lines...) Expand all Loading... |
61 paint.setColor(0xFF007700); | 61 paint.setColor(0xFF007700); |
62 | 62 |
63 canvas->drawPath(path, paint); | 63 canvas->drawPath(path, paint); |
64 } | 64 } |
65 | 65 |
66 private: | 66 private: |
67 typedef GM INHERITED; | 67 typedef GM INHERITED; |
68 }; | 68 }; |
69 | 69 |
70 DEF_GM( return new StringArtGM; ) | 70 DEF_GM( return new StringArtGM; ) |
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