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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 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 "SkBlurImageFilter.h" | 9 #include "SkBlurImageFilter.h" |
10 #include "SkRandom.h" | 10 #include "SkRandom.h" |
11 | 11 |
12 #define WIDTH 500 | 12 #define WIDTH 500 |
13 #define HEIGHT 500 | 13 #define HEIGHT 500 |
14 | 14 |
15 namespace skiagm { | 15 namespace skiagm { |
16 | 16 |
17 class ImageBlurGM : public GM { | 17 class ImageBlurGM : public GM { |
18 public: | 18 public: |
19 ImageBlurGM() { | 19 ImageBlurGM(SkScalar sigmaX, SkScalar sigmaY, const char* suffix) |
| 20 : fSigmaX(sigmaX), fSigmaY(sigmaY) { |
20 this->setBGColor(0xFF000000); | 21 this->setBGColor(0xFF000000); |
| 22 fName.printf("imageblur%s", suffix); |
21 } | 23 } |
22 | 24 |
23 protected: | 25 protected: |
24 virtual SkString onShortName() { | 26 virtual SkString onShortName() { |
25 return SkString("imageblur"); | 27 return fName; |
26 } | 28 } |
27 | 29 |
28 virtual SkISize onISize() { | 30 virtual SkISize onISize() { |
29 return make_isize(WIDTH, HEIGHT); | 31 return make_isize(WIDTH, HEIGHT); |
30 } | 32 } |
31 | 33 |
32 virtual void onDraw(SkCanvas* canvas) { | 34 virtual void onDraw(SkCanvas* canvas) { |
33 SkPaint paint; | 35 SkPaint paint; |
34 paint.setImageFilter(new SkBlurImageFilter(24.0f, 0.0f))->unref(); | 36 paint.setImageFilter(new SkBlurImageFilter(fSigmaX, fSigmaY))->unref(); |
35 canvas->saveLayer(NULL, &paint); | 37 canvas->saveLayer(NULL, &paint); |
36 const char* str = "The quick brown fox jumped over the lazy dog."; | 38 const char* str = "The quick brown fox jumped over the lazy dog."; |
37 | 39 |
38 SkRandom rand; | 40 SkRandom rand; |
39 SkPaint textPaint; | 41 SkPaint textPaint; |
40 textPaint.setAntiAlias(true); | 42 textPaint.setAntiAlias(true); |
41 for (int i = 0; i < 25; ++i) { | 43 for (int i = 0; i < 25; ++i) { |
42 int x = rand.nextULessThan(WIDTH); | 44 int x = rand.nextULessThan(WIDTH); |
43 int y = rand.nextULessThan(HEIGHT); | 45 int y = rand.nextULessThan(HEIGHT); |
44 textPaint.setColor(rand.nextBits(24) | 0xFF000000); | 46 textPaint.setColor(rand.nextBits(24) | 0xFF000000); |
45 textPaint.setTextSize(rand.nextRangeScalar(0, 300)); | 47 textPaint.setTextSize(rand.nextRangeScalar(0, 300)); |
46 canvas->drawText(str, strlen(str), SkIntToScalar(x), | 48 canvas->drawText(str, strlen(str), SkIntToScalar(x), |
47 SkIntToScalar(y), textPaint); | 49 SkIntToScalar(y), textPaint); |
48 } | 50 } |
49 canvas->restore(); | 51 canvas->restore(); |
50 } | 52 } |
51 | 53 |
52 private: | 54 private: |
| 55 SkScalar fSigmaX; |
| 56 SkScalar fSigmaY; |
| 57 SkString fName; |
| 58 |
53 typedef GM INHERITED; | 59 typedef GM INHERITED; |
54 }; | 60 }; |
55 | 61 |
56 ////////////////////////////////////////////////////////////////////////////// | 62 ////////////////////////////////////////////////////////////////////////////// |
57 | 63 |
58 static GM* MyFactory(void*) { return new ImageBlurGM; } | 64 static GM* MyFactory1(void*) { return new ImageBlurGM(24.0f, 0.0f, ""); } |
59 static GMRegistry reg(MyFactory); | 65 static GMRegistry reg1(MyFactory1); |
| 66 |
| 67 static GM* MyFactory2(void*) { return new ImageBlurGM(80.0f, 80.0f, "_large"); } |
| 68 static GMRegistry reg2(MyFactory2); |
60 | 69 |
61 } | 70 } |
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