OLD | NEW |
1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 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 "sk_tool_utils.h" | 8 #include "sk_tool_utils.h" |
9 #include "SkBitmapSource.h" | |
10 #include "SkBlurImageFilter.h" | 9 #include "SkBlurImageFilter.h" |
11 #include "SkColor.h" | 10 #include "SkColor.h" |
12 #include "SkDisplacementMapEffect.h" | 11 #include "SkDisplacementMapEffect.h" |
13 #include "SkDropShadowImageFilter.h" | 12 #include "SkDropShadowImageFilter.h" |
14 #include "SkGradientShader.h" | 13 #include "SkGradientShader.h" |
| 14 #include "SkImage.h" |
| 15 #include "SkImageSource.h" |
15 #include "SkMorphologyImageFilter.h" | 16 #include "SkMorphologyImageFilter.h" |
16 #include "SkScalar.h" | 17 #include "SkScalar.h" |
| 18 #include "SkSurface.h" |
17 #include "gm.h" | 19 #include "gm.h" |
18 | 20 |
19 namespace skiagm { | 21 namespace skiagm { |
20 | 22 |
21 // This GM draws image filters with a CTM containing shearing / rotation. | 23 // This GM draws image filters with a CTM containing shearing / rotation. |
22 // It checks that the scale portion of the CTM is correctly extracted | 24 // It checks that the scale portion of the CTM is correctly extracted |
23 // and applied to the image inputs separately from the non-scale portion. | 25 // and applied to the image inputs separately from the non-scale portion. |
24 | 26 |
| 27 static SkImage* make_gradient_circle(int width, int height) { |
| 28 SkScalar x = SkIntToScalar(width / 2); |
| 29 SkScalar y = SkIntToScalar(height / 2); |
| 30 SkScalar radius = SkMinScalar(x, y) * 0.8f; |
| 31 |
| 32 SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(width, height)
); |
| 33 SkCanvas* canvas = surface->getCanvas(); |
| 34 |
| 35 canvas->clear(0x00000000); |
| 36 SkColor colors[2]; |
| 37 colors[0] = SK_ColorWHITE; |
| 38 colors[1] = SK_ColorBLACK; |
| 39 SkAutoTUnref<SkShader> shader( |
| 40 SkGradientShader::CreateRadial(SkPoint::Make(x, y), radius, colors, null
ptr, 2, |
| 41 SkShader::kClamp_TileMode) |
| 42 ); |
| 43 SkPaint paint; |
| 44 paint.setShader(shader); |
| 45 canvas->drawCircle(x, y, radius, paint); |
| 46 |
| 47 return surface->newImageSnapshot(); |
| 48 } |
| 49 |
25 class ImageFiltersTransformedGM : public GM { | 50 class ImageFiltersTransformedGM : public GM { |
26 public: | 51 public: |
27 ImageFiltersTransformedGM() { | 52 ImageFiltersTransformedGM() { |
28 this->setBGColor(SK_ColorBLACK); | 53 this->setBGColor(SK_ColorBLACK); |
29 } | 54 } |
30 | 55 |
31 protected: | 56 protected: |
32 | 57 |
33 SkString onShortName() override { return SkString("imagefilterstransformed")
; } | 58 SkString onShortName() override { return SkString("imagefilterstransformed")
; } |
34 | 59 |
35 SkISize onISize() override { return SkISize::Make(420, 240); } | 60 SkISize onISize() override { return SkISize::Make(420, 240); } |
36 | 61 |
37 void makeGradientCircle(int width, int height) { | |
38 SkScalar x = SkIntToScalar(width / 2); | |
39 SkScalar y = SkIntToScalar(height / 2); | |
40 SkScalar radius = SkMinScalar(x, y) * 0.8f; | |
41 fGradientCircle.allocN32Pixels(width, height); | |
42 SkCanvas canvas(fGradientCircle); | |
43 canvas.clear(0x00000000); | |
44 SkColor colors[2]; | |
45 colors[0] = SK_ColorWHITE; | |
46 colors[1] = SK_ColorBLACK; | |
47 SkAutoTUnref<SkShader> shader( | |
48 SkGradientShader::CreateRadial(SkPoint::Make(x, y), radius, colors,
nullptr, 2, | |
49 SkShader::kClamp_TileMode) | |
50 ); | |
51 SkPaint paint; | |
52 paint.setShader(shader); | |
53 canvas.drawCircle(x, y, radius, paint); | |
54 } | |
55 | |
56 void onOnceBeforeDraw() override { | 62 void onOnceBeforeDraw() override { |
57 fCheckerboard = sk_tool_utils::create_checkerboard_bitmap(64, 64, | 63 fCheckerboard.reset(SkImage::NewFromBitmap( |
58 0xFFA0A0A0, 0x
FF404040, 8); | 64 sk_tool_utils::create_checkerboard_bitmap(64, 64, 0xFFA0A0A0, 0xFF40
4040, 8))); |
59 this->makeGradientCircle(64, 64); | 65 fGradientCircle.reset(make_gradient_circle(64, 64)); |
60 } | 66 } |
61 | 67 |
62 void onDraw(SkCanvas* canvas) override { | 68 void onDraw(SkCanvas* canvas) override { |
63 SkAutoTUnref<SkImageFilter> gradient(SkBitmapSource::Create(fGradientCir
cle)); | 69 SkAutoTUnref<SkImageFilter> gradient(SkImageSource::Create(fGradientCirc
le)); |
64 SkAutoTUnref<SkImageFilter> checkerboard(SkBitmapSource::Create(fChecker
board)); | 70 SkAutoTUnref<SkImageFilter> checkerboard(SkImageSource::Create(fCheckerb
oard)); |
65 SkImageFilter* filters[] = { | 71 SkImageFilter* filters[] = { |
66 SkBlurImageFilter::Create(12, 0), | 72 SkBlurImageFilter::Create(12, 0), |
67 SkDropShadowImageFilter::Create(0, 15, 8, 0, SK_ColorGREEN, | 73 SkDropShadowImageFilter::Create(0, 15, 8, 0, SK_ColorGREEN, |
68 SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode), | 74 SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode), |
69 SkDisplacementMapEffect::Create(SkDisplacementMapEffect::kR_ChannelS
electorType, | 75 SkDisplacementMapEffect::Create(SkDisplacementMapEffect::kR_ChannelS
electorType, |
70 SkDisplacementMapEffect::kR_ChannelS
electorType, | 76 SkDisplacementMapEffect::kR_ChannelS
electorType, |
71 12, | 77 12, |
72 gradient.get(), | 78 gradient.get(), |
73 checkerboard.get()), | 79 checkerboard.get()), |
74 SkDilateImageFilter::Create(2, 2, checkerboard.get()), | 80 SkDilateImageFilter::Create(2, 2, checkerboard.get()), |
(...skipping 28 matching lines...) Expand all Loading... |
103 canvas->restore(); | 109 canvas->restore(); |
104 canvas->translate(0, size + margin); | 110 canvas->translate(0, size + margin); |
105 } | 111 } |
106 | 112 |
107 for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) { | 113 for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) { |
108 SkSafeUnref(filters[i]); | 114 SkSafeUnref(filters[i]); |
109 } | 115 } |
110 } | 116 } |
111 | 117 |
112 private: | 118 private: |
113 SkBitmap fCheckerboard; | 119 SkAutoTUnref<SkImage> fCheckerboard; |
114 SkBitmap fGradientCircle; | 120 SkAutoTUnref<SkImage> fGradientCircle; |
115 typedef GM INHERITED; | 121 typedef GM INHERITED; |
116 }; | 122 }; |
117 | 123 |
118 ////////////////////////////////////////////////////////////////////////////// | 124 ////////////////////////////////////////////////////////////////////////////// |
119 | 125 |
120 DEF_GM( return new ImageFiltersTransformedGM; ) | 126 DEF_GM( return new ImageFiltersTransformedGM; ) |
121 | 127 |
122 } | 128 } |
OLD | NEW |