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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2011 Google Inc. | 3 * Copyright 2011 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 | 10 |
11 #include "gm.h" | 11 #include "gm.h" |
12 #include "SkRandom.h" | 12 #include "SkRandom.h" |
13 | 13 |
14 namespace skiagm { | 14 namespace skiagm { |
15 | 15 |
16 #define W 400 | 16 #define W 400 |
17 #define H 400 | 17 #define H 400 |
18 #define N 100 | 18 #define N 100 |
19 | 19 |
20 static const SkScalar SW = SkIntToScalar(W); | 20 static const SkScalar SW = SkIntToScalar(W); |
21 static const SkScalar SH = SkIntToScalar(H); | 21 static const SkScalar SH = SkIntToScalar(H); |
22 | 22 |
23 class StrokeRectsGM : public GM { | 23 class StrokeRectsGM : public GM { |
24 public: | 24 public: |
25 StrokeRectsGM() {} | 25 StrokeRectsGM() {} |
26 | 26 |
27 protected: | 27 protected: |
28 virtual uint32_t onGetFlags() const SK_OVERRIDE { | 28 uint32_t onGetFlags() const SK_OVERRIDE { |
29 return kSkipTiled_Flag; | 29 return kSkipTiled_Flag; |
30 } | 30 } |
31 | 31 |
32 virtual SkString onShortName() SK_OVERRIDE { | 32 SkString onShortName() SK_OVERRIDE { |
33 return SkString("strokerects"); | 33 return SkString("strokerects"); |
34 } | 34 } |
35 | 35 |
36 virtual SkISize onISize() SK_OVERRIDE { | 36 SkISize onISize() SK_OVERRIDE { |
37 return SkISize::Make(W*2, H*2); | 37 return SkISize::Make(W*2, H*2); |
38 } | 38 } |
39 | 39 |
40 static void rnd_rect(SkRect* r, SkRandom& rand) { | 40 static void rnd_rect(SkRect* r, SkRandom& rand) { |
41 SkScalar x = rand.nextUScalar1() * W; | 41 SkScalar x = rand.nextUScalar1() * W; |
42 SkScalar y = rand.nextUScalar1() * H; | 42 SkScalar y = rand.nextUScalar1() * H; |
43 SkScalar w = rand.nextUScalar1() * (W >> 2); | 43 SkScalar w = rand.nextUScalar1() * (W >> 2); |
44 SkScalar h = rand.nextUScalar1() * (H >> 2); | 44 SkScalar h = rand.nextUScalar1() * (H >> 2); |
45 SkScalar hoffset = rand.nextSScalar1(); | 45 SkScalar hoffset = rand.nextSScalar1(); |
46 SkScalar woffset = rand.nextSScalar1(); | 46 SkScalar woffset = rand.nextSScalar1(); |
47 | 47 |
48 r->set(x, y, x + w, y + h); | 48 r->set(x, y, x + w, y + h); |
49 r->offset(-w/2 + woffset, -h/2 + hoffset); | 49 r->offset(-w/2 + woffset, -h/2 + hoffset); |
50 } | 50 } |
51 | 51 |
52 virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { | 52 void onDraw(SkCanvas* canvas) SK_OVERRIDE { |
53 SkPaint paint; | 53 SkPaint paint; |
54 paint.setStyle(SkPaint::kStroke_Style); | 54 paint.setStyle(SkPaint::kStroke_Style); |
55 | 55 |
56 for (int y = 0; y < 2; y++) { | 56 for (int y = 0; y < 2; y++) { |
57 paint.setAntiAlias(!!y); | 57 paint.setAntiAlias(!!y); |
58 for (int x = 0; x < 2; x++) { | 58 for (int x = 0; x < 2; x++) { |
59 paint.setStrokeWidth(x * SkIntToScalar(3)); | 59 paint.setStrokeWidth(x * SkIntToScalar(3)); |
60 | 60 |
61 SkAutoCanvasRestore acr(canvas, true); | 61 SkAutoCanvasRestore acr(canvas, true); |
62 canvas->translate(SW * x, SH * y); | 62 canvas->translate(SW * x, SH * y); |
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78 private: | 78 private: |
79 typedef GM INHERITED; | 79 typedef GM INHERITED; |
80 }; | 80 }; |
81 | 81 |
82 ////////////////////////////////////////////////////////////////////////////// | 82 ////////////////////////////////////////////////////////////////////////////// |
83 | 83 |
84 static GM* MyFactory(void*) { return new StrokeRectsGM; } | 84 static GM* MyFactory(void*) { return new StrokeRectsGM; } |
85 static GMRegistry reg(MyFactory); | 85 static GMRegistry reg(MyFactory); |
86 | 86 |
87 } | 87 } |
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