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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 "SkBlurImageFilter.h" | 9 #include "SkBlurImageFilter.h" |
10 #include "SkColor.h" | 10 #include "SkColor.h" |
11 #include "SkDisplacementMapEffect.h" | 11 #include "SkDisplacementMapEffect.h" |
12 #include "SkDropShadowImageFilter.h" | 12 #include "SkDropShadowImageFilter.h" |
13 #include "SkGradientShader.h" | 13 #include "SkGradientShader.h" |
14 #include "SkImage.h" | 14 #include "SkImage.h" |
15 #include "SkImageSource.h" | 15 #include "SkImageSource.h" |
16 #include "SkLightingImageFilter.h" | 16 #include "SkLightingImageFilter.h" |
17 #include "SkMorphologyImageFilter.h" | 17 #include "SkMorphologyImageFilter.h" |
18 #include "SkOffsetImageFilter.h" | 18 #include "SkOffsetImageFilter.h" |
19 #include "SkPaintImageFilter.h" | 19 #include "SkPaintImageFilter.h" |
20 #include "SkPerlinNoiseShader.h" | 20 #include "SkPerlinNoiseShader.h" |
21 #include "SkPoint3.h" | 21 #include "SkPoint3.h" |
22 #include "SkScalar.h" | 22 #include "SkScalar.h" |
23 #include "SkSurface.h" | 23 #include "SkSurface.h" |
24 #include "gm.h" | 24 #include "gm.h" |
25 | 25 |
26 #define RESIZE_FACTOR SkIntToScalar(4) | 26 #define RESIZE_FACTOR SkIntToScalar(4) |
27 | 27 |
| 28 static sk_sp<SkImage> make_gradient_circle(int width, int height) { |
| 29 SkScalar x = SkIntToScalar(width / 2); |
| 30 SkScalar y = SkIntToScalar(height / 2); |
| 31 SkScalar radius = SkScalarMul(SkMinScalar(x, y), SkIntToScalar(4) / SkIntToS
calar(5)); |
| 32 sk_sp<SkSurface> surface(SkSurface::MakeRasterN32Premul(width, height)); |
| 33 SkCanvas* canvas = surface->getCanvas(); |
| 34 canvas->clear(0x00000000); |
| 35 SkColor colors[2]; |
| 36 colors[0] = SK_ColorWHITE; |
| 37 colors[1] = SK_ColorBLACK; |
| 38 SkPaint paint; |
| 39 paint.setShader(SkGradientShader::MakeRadial(SkPoint::Make(x, y), radius, co
lors, nullptr, |
| 40 2, SkShader::kClamp_TileMode)); |
| 41 canvas->drawCircle(x, y, radius, paint); |
| 42 |
| 43 return surface->makeImageSnapshot(); |
| 44 } |
| 45 |
| 46 |
28 namespace skiagm { | 47 namespace skiagm { |
29 | 48 |
30 class ImageFiltersScaledGM : public GM { | 49 class ImageFiltersScaledGM : public GM { |
31 public: | 50 public: |
32 ImageFiltersScaledGM() { | 51 ImageFiltersScaledGM() { |
33 this->setBGColor(0x00000000); | 52 this->setBGColor(0x00000000); |
34 } | 53 } |
35 | 54 |
36 protected: | 55 protected: |
37 | 56 |
38 SkString onShortName() override { | 57 SkString onShortName() override { |
39 return SkString("imagefiltersscaled"); | 58 return SkString("imagefiltersscaled"); |
40 } | 59 } |
41 | 60 |
42 SkISize onISize() override { | 61 SkISize onISize() override { |
43 return SkISize::Make(1428, 500); | 62 return SkISize::Make(1428, 500); |
44 } | 63 } |
45 | 64 |
46 void onOnceBeforeDraw() override { | 65 void onOnceBeforeDraw() override { |
47 fCheckerboard = SkImage::MakeFromBitmap( | 66 fCheckerboard = SkImage::MakeFromBitmap( |
48 sk_tool_utils::create_checkerboard_bitmap(64, 64, 0xFFA0A0A0, 0xFF40
4040, 8)); | 67 sk_tool_utils::create_checkerboard_bitmap(64, 64, 0xFFA0A0A0, 0xFF40
4040, 8)); |
49 fGradientCircle = MakeGradientCircle(64, 64); | 68 fGradientCircle = make_gradient_circle(64, 64); |
50 } | 69 } |
51 | 70 |
52 void onDraw(SkCanvas* canvas) override { | 71 void onDraw(SkCanvas* canvas) override { |
53 canvas->clear(SK_ColorBLACK); | 72 canvas->clear(SK_ColorBLACK); |
54 | 73 |
55 sk_sp<SkImageFilter> gradient(SkImageSource::Make(fGradientCircle)); | 74 sk_sp<SkImageFilter> gradient(SkImageSource::Make(fGradientCircle)); |
56 sk_sp<SkImageFilter> checkerboard(SkImageSource::Make(fCheckerboard)); | 75 sk_sp<SkImageFilter> checkerboard(SkImageSource::Make(fCheckerboard)); |
57 sk_sp<SkShader> noise(SkPerlinNoiseShader::MakeFractalNoise( | 76 |
58 SkDoubleToScalar(0.1), SkDoubleToScalar(0.05), 1, 0)); | |
59 SkPaint noisePaint; | 77 SkPaint noisePaint; |
60 noisePaint.setShader(noise); | 78 noisePaint.setShader(SkPerlinNoiseShader::MakeFractalNoise(SkDoubleToSca
lar(0.1), |
| 79 SkDoubleToSca
lar(0.05), 1, 0)); |
61 | 80 |
62 SkPoint3 pointLocation = SkPoint3::Make(0, 0, SkIntToScalar(10)); | 81 SkPoint3 pointLocation = SkPoint3::Make(0, 0, SkIntToScalar(10)); |
63 SkPoint3 spotLocation = SkPoint3::Make(SkIntToScalar(-10), | 82 SkPoint3 spotLocation = SkPoint3::Make(SkIntToScalar(-10), |
64 SkIntToScalar(-10), | 83 SkIntToScalar(-10), |
65 SkIntToScalar(20)); | 84 SkIntToScalar(20)); |
66 SkPoint3 spotTarget = SkPoint3::Make(SkIntToScalar(40), SkIntToScalar(40
), 0); | 85 SkPoint3 spotTarget = SkPoint3::Make(SkIntToScalar(40), SkIntToScalar(40
), 0); |
67 SkScalar spotExponent = SK_Scalar1; | 86 SkScalar spotExponent = SK_Scalar1; |
68 SkScalar cutoffAngle = SkIntToScalar(15); | 87 SkScalar cutoffAngle = SkIntToScalar(15); |
69 SkScalar kd = SkIntToScalar(2); | 88 SkScalar kd = SkIntToScalar(2); |
70 SkScalar surfaceScale = SkIntToScalar(1); | 89 SkScalar surfaceScale = SkIntToScalar(1); |
71 SkColor white(0xFFFFFFFF); | 90 SkColor white(0xFFFFFFFF); |
72 SkMatrix resizeMatrix; | 91 SkMatrix resizeMatrix; |
73 resizeMatrix.setScale(RESIZE_FACTOR, RESIZE_FACTOR); | 92 resizeMatrix.setScale(RESIZE_FACTOR, RESIZE_FACTOR); |
74 | 93 |
75 SkImageFilter* filters[] = { | 94 sk_sp<SkImageFilter> filters[] = { |
76 SkBlurImageFilter::Make(SkIntToScalar(4), SkIntToScalar(4), nullptr)
.release(), | 95 SkBlurImageFilter::Make(SkIntToScalar(4), SkIntToScalar(4), nullptr)
, |
77 SkDropShadowImageFilter::Make(SkIntToScalar(5), SkIntToScalar(10), | 96 SkDropShadowImageFilter::Make( |
78 SkIntToScalar(3), SkIntToScalar(3), SK_ColorYELLOW, | 97 SkIntToScalar(5), SkIntToScalar(10), |
79 SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode, nu
llptr).release(), | 98 SkIntToScalar(3), SkIntToScalar(3), SK_Color
YELLOW, |
80 SkDisplacementMapEffect::Create(SkDisplacementMapEffect::kR_ChannelS
electorType, | 99 SkDropShadowImageFilter::kDrawShadowAndForeg
round_ShadowMode, |
| 100 nullptr), |
| 101 sk_sp<SkImageFilter>(SkDisplacementMapEffect::Create( |
| 102 SkDisplacementMapEffect::kR_ChannelS
electorType, |
81 SkDisplacementMapEffect::kR_ChannelS
electorType, | 103 SkDisplacementMapEffect::kR_ChannelS
electorType, |
82 SkIntToScalar(12), | 104 SkIntToScalar(12), |
83 gradient.get(), | 105 gradient.get(), |
84 checkerboard.get()), | 106 checkerboard.get())), |
85 SkDilateImageFilter::Make(1, 1, checkerboard).release(), | 107 SkDilateImageFilter::Make(1, 1, checkerboard), |
86 SkErodeImageFilter::Make(1, 1, checkerboard).release(), | 108 SkErodeImageFilter::Make(1, 1, checkerboard), |
87 SkOffsetImageFilter::Make(SkIntToScalar(32), 0, nullptr).release(), | 109 SkOffsetImageFilter::Make(SkIntToScalar(32), 0, nullptr), |
88 SkImageFilter::MakeMatrixFilter(resizeMatrix, kNone_SkFilterQuality,
nullptr).release(), | 110 SkImageFilter::MakeMatrixFilter(resizeMatrix, kNone_SkFilterQuality,
nullptr), |
89 SkPaintImageFilter::Make(noisePaint).release(), | 111 SkPaintImageFilter::Make(noisePaint), |
90 SkLightingImageFilter::CreatePointLitDiffuse(pointLocation, white, s
urfaceScale, kd), | 112 SkLightingImageFilter::MakePointLitDiffuse(pointLocation, white, sur
faceScale, kd, |
91 SkLightingImageFilter::CreateSpotLitDiffuse(spotLocation, spotTarget
, spotExponent, | 113 nullptr), |
92 cutoffAngle, white, surf
aceScale, kd), | 114 SkLightingImageFilter::MakeSpotLitDiffuse(spotLocation, spotTarget,
spotExponent, |
| 115 cutoffAngle, white, surfac
eScale, kd, |
| 116 nullptr), |
93 }; | 117 }; |
94 | 118 |
95 SkVector scales[] = { | 119 SkVector scales[] = { |
96 SkVector::Make(SkScalarInvert(2), SkScalarInvert(2)), | 120 SkVector::Make(SkScalarInvert(2), SkScalarInvert(2)), |
97 SkVector::Make(SkIntToScalar(1), SkIntToScalar(1)), | 121 SkVector::Make(SkIntToScalar(1), SkIntToScalar(1)), |
98 SkVector::Make(SkIntToScalar(1), SkIntToScalar(2)), | 122 SkVector::Make(SkIntToScalar(1), SkIntToScalar(2)), |
99 SkVector::Make(SkIntToScalar(2), SkIntToScalar(1)), | 123 SkVector::Make(SkIntToScalar(2), SkIntToScalar(1)), |
100 SkVector::Make(SkIntToScalar(2), SkIntToScalar(2)), | 124 SkVector::Make(SkIntToScalar(2), SkIntToScalar(2)), |
101 }; | 125 }; |
102 | 126 |
(...skipping 18 matching lines...) Expand all Loading... |
121 canvas->scale(SkScalarInvert(RESIZE_FACTOR), | 145 canvas->scale(SkScalarInvert(RESIZE_FACTOR), |
122 SkScalarInvert(RESIZE_FACTOR)); | 146 SkScalarInvert(RESIZE_FACTOR)); |
123 } | 147 } |
124 canvas->drawCircle(r.centerX(), r.centerY(), r.width()*2/5, pain
t); | 148 canvas->drawCircle(r.centerX(), r.centerY(), r.width()*2/5, pain
t); |
125 canvas->restore(); | 149 canvas->restore(); |
126 canvas->translate(r.width() * scales[j].fX + margin, 0); | 150 canvas->translate(r.width() * scales[j].fX + margin, 0); |
127 } | 151 } |
128 canvas->restore(); | 152 canvas->restore(); |
129 canvas->translate(0, r.height() * scales[j].fY + margin); | 153 canvas->translate(0, r.height() * scales[j].fY + margin); |
130 } | 154 } |
131 | |
132 for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) { | |
133 filters[i]->unref(); | |
134 } | |
135 } | 155 } |
136 | 156 |
137 private: | 157 private: |
138 static sk_sp<SkImage> MakeGradientCircle(int width, int height) { | |
139 SkScalar x = SkIntToScalar(width / 2); | |
140 SkScalar y = SkIntToScalar(height / 2); | |
141 SkScalar radius = SkScalarMul(SkMinScalar(x, y), SkIntToScalar(4) / SkIn
tToScalar(5)); | |
142 auto surface(SkSurface::MakeRasterN32Premul(width, height)); | |
143 SkCanvas* canvas = surface->getCanvas(); | |
144 canvas->clear(0x00000000); | |
145 SkColor colors[2]; | |
146 colors[0] = SK_ColorWHITE; | |
147 colors[1] = SK_ColorBLACK; | |
148 SkPaint paint; | |
149 paint.setShader(SkGradientShader::MakeRadial(SkPoint::Make(x, y), radius
, colors, nullptr, | |
150 2, SkShader::kClamp_TileMod
e)); | |
151 canvas->drawCircle(x, y, radius, paint); | |
152 | |
153 return surface->makeImageSnapshot(); | |
154 } | |
155 | |
156 sk_sp<SkImage> fCheckerboard, fGradientCircle; | 158 sk_sp<SkImage> fCheckerboard, fGradientCircle; |
157 | 159 |
158 typedef GM INHERITED; | 160 typedef GM INHERITED; |
159 }; | 161 }; |
160 | 162 |
161 ////////////////////////////////////////////////////////////////////////////// | 163 ////////////////////////////////////////////////////////////////////////////// |
162 | 164 |
163 DEF_GM(return new ImageFiltersScaledGM;) | 165 DEF_GM(return new ImageFiltersScaledGM;) |
164 } | 166 } |
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