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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 "SkAlphaThresholdFilter.h" | 8 #include "SkAlphaThresholdFilter.h" |
9 #include "SkBitmap.h" | 9 #include "SkBitmap.h" |
10 #include "SkReadBuffer.h" | 10 #include "SkReadBuffer.h" |
11 #include "SkWriteBuffer.h" | 11 #include "SkWriteBuffer.h" |
12 #include "SkRegion.h" | 12 #include "SkRegion.h" |
13 | 13 |
14 class SK_API SkAlphaThresholdFilterImpl : public SkImageFilter { | 14 class SK_API SkAlphaThresholdFilterImpl : public SkImageFilter { |
15 public: | 15 public: |
16 SkAlphaThresholdFilterImpl(const SkRegion& region, SkScalar innerThreshold, | 16 SkAlphaThresholdFilterImpl(const SkRegion& region, SkScalar innerThreshold, |
17 SkScalar outerThreshold, SkImageFilter* input); | 17 SkScalar outerThreshold, SkImageFilter* input); |
18 | 18 |
19 SK_TO_STRING_OVERRIDE() | 19 SK_TO_STRING_OVERRIDE() |
20 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkAlphaThresholdFilterIm
pl) | 20 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkAlphaThresholdFilterIm
pl) |
21 | 21 |
22 protected: | 22 protected: |
23 void flatten(SkWriteBuffer&) const SK_OVERRIDE; | 23 void flatten(SkWriteBuffer&) const override; |
24 | 24 |
25 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, | 25 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, |
26 SkBitmap* result, SkIPoint* offset) const SK_OVER
RIDE; | 26 SkBitmap* result, SkIPoint* offset) const overrid
e; |
27 #if SK_SUPPORT_GPU | 27 #if SK_SUPPORT_GPU |
28 virtual bool asFragmentProcessor(GrFragmentProcessor**, GrTexture*, const Sk
Matrix&, | 28 virtual bool asFragmentProcessor(GrFragmentProcessor**, GrTexture*, const Sk
Matrix&, |
29 const SkIRect& bounds) const SK_OVERRIDE; | 29 const SkIRect& bounds) const override; |
30 #endif | 30 #endif |
31 | 31 |
32 private: | 32 private: |
33 SkRegion fRegion; | 33 SkRegion fRegion; |
34 SkScalar fInnerThreshold; | 34 SkScalar fInnerThreshold; |
35 SkScalar fOuterThreshold; | 35 SkScalar fOuterThreshold; |
36 typedef SkImageFilter INHERITED; | 36 typedef SkImageFilter INHERITED; |
37 }; | 37 }; |
38 | 38 |
39 SkImageFilter* SkAlphaThresholdFilter::Create(const SkRegion& region, | 39 SkImageFilter* SkAlphaThresholdFilter::Create(const SkRegion& region, |
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64 float innerThreshold, | 64 float innerThreshold, |
65 float outerThreshold) { | 65 float outerThreshold) { |
66 return SkNEW_ARGS(AlphaThresholdEffect, (texture, | 66 return SkNEW_ARGS(AlphaThresholdEffect, (texture, |
67 maskTexture, | 67 maskTexture, |
68 innerThreshold, | 68 innerThreshold, |
69 outerThreshold)); | 69 outerThreshold)); |
70 } | 70 } |
71 | 71 |
72 virtual ~AlphaThresholdEffect() {}; | 72 virtual ~AlphaThresholdEffect() {}; |
73 | 73 |
74 const char* name() const SK_OVERRIDE { return "Alpha Threshold"; } | 74 const char* name() const override { return "Alpha Threshold"; } |
75 | 75 |
76 float innerThreshold() const { return fInnerThreshold; } | 76 float innerThreshold() const { return fInnerThreshold; } |
77 float outerThreshold() const { return fOuterThreshold; } | 77 float outerThreshold() const { return fOuterThreshold; } |
78 | 78 |
79 void getGLProcessorKey(const GrGLCaps&, GrProcessorKeyBuilder*) const SK_OVE
RRIDE; | 79 void getGLProcessorKey(const GrGLCaps&, GrProcessorKeyBuilder*) const overri
de; |
80 | 80 |
81 GrGLFragmentProcessor* createGLInstance() const SK_OVERRIDE; | 81 GrGLFragmentProcessor* createGLInstance() const override; |
82 | 82 |
83 private: | 83 private: |
84 AlphaThresholdEffect(GrTexture* texture, | 84 AlphaThresholdEffect(GrTexture* texture, |
85 GrTexture* maskTexture, | 85 GrTexture* maskTexture, |
86 float innerThreshold, | 86 float innerThreshold, |
87 float outerThreshold) | 87 float outerThreshold) |
88 : fInnerThreshold(innerThreshold) | 88 : fInnerThreshold(innerThreshold) |
89 , fOuterThreshold(outerThreshold) | 89 , fOuterThreshold(outerThreshold) |
90 , fImageCoordTransform(kLocal_GrCoordSet, | 90 , fImageCoordTransform(kLocal_GrCoordSet, |
91 GrCoordTransform::MakeDivByTextureWHMatrix(textur
e), texture, | 91 GrCoordTransform::MakeDivByTextureWHMatrix(textur
e), texture, |
92 GrTextureParams::kNone_FilterMode) | 92 GrTextureParams::kNone_FilterMode) |
93 , fImageTextureAccess(texture) | 93 , fImageTextureAccess(texture) |
94 , fMaskCoordTransform(kLocal_GrCoordSet, | 94 , fMaskCoordTransform(kLocal_GrCoordSet, |
95 GrCoordTransform::MakeDivByTextureWHMatrix(maskTex
ture), maskTexture, | 95 GrCoordTransform::MakeDivByTextureWHMatrix(maskTex
ture), maskTexture, |
96 GrTextureParams::kNone_FilterMode) | 96 GrTextureParams::kNone_FilterMode) |
97 , fMaskTextureAccess(maskTexture) { | 97 , fMaskTextureAccess(maskTexture) { |
98 this->initClassID<AlphaThresholdEffect>(); | 98 this->initClassID<AlphaThresholdEffect>(); |
99 this->addCoordTransform(&fImageCoordTransform); | 99 this->addCoordTransform(&fImageCoordTransform); |
100 this->addTextureAccess(&fImageTextureAccess); | 100 this->addTextureAccess(&fImageTextureAccess); |
101 this->addCoordTransform(&fMaskCoordTransform); | 101 this->addCoordTransform(&fMaskCoordTransform); |
102 this->addTextureAccess(&fMaskTextureAccess); | 102 this->addTextureAccess(&fMaskTextureAccess); |
103 } | 103 } |
104 | 104 |
105 bool onIsEqual(const GrFragmentProcessor&) const SK_OVERRIDE; | 105 bool onIsEqual(const GrFragmentProcessor&) const override; |
106 | 106 |
107 void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVERRIDE; | 107 void onComputeInvariantOutput(GrInvariantOutput* inout) const override; |
108 | 108 |
109 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; | 109 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
110 | 110 |
111 float fInnerThreshold; | 111 float fInnerThreshold; |
112 float fOuterThreshold; | 112 float fOuterThreshold; |
113 GrCoordTransform fImageCoordTransform; | 113 GrCoordTransform fImageCoordTransform; |
114 GrTextureAccess fImageTextureAccess; | 114 GrTextureAccess fImageTextureAccess; |
115 GrCoordTransform fMaskCoordTransform; | 115 GrCoordTransform fMaskCoordTransform; |
116 GrTextureAccess fMaskTextureAccess; | 116 GrTextureAccess fMaskTextureAccess; |
117 | 117 |
118 typedef GrFragmentProcessor INHERITED; | 118 typedef GrFragmentProcessor INHERITED; |
119 }; | 119 }; |
120 | 120 |
121 class GrGLAlphaThresholdEffect : public GrGLFragmentProcessor { | 121 class GrGLAlphaThresholdEffect : public GrGLFragmentProcessor { |
122 public: | 122 public: |
123 GrGLAlphaThresholdEffect(const GrFragmentProcessor&) {} | 123 GrGLAlphaThresholdEffect(const GrFragmentProcessor&) {} |
124 | 124 |
125 virtual void emitCode(GrGLFPBuilder*, | 125 virtual void emitCode(GrGLFPBuilder*, |
126 const GrFragmentProcessor&, | 126 const GrFragmentProcessor&, |
127 const char* outputColor, | 127 const char* outputColor, |
128 const char* inputColor, | 128 const char* inputColor, |
129 const TransformedCoordsArray&, | 129 const TransformedCoordsArray&, |
130 const TextureSamplerArray&) SK_OVERRIDE; | 130 const TextureSamplerArray&) override; |
131 | 131 |
132 void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_OVERRIDE; | 132 void setData(const GrGLProgramDataManager&, const GrProcessor&) override; |
133 | 133 |
134 private: | 134 private: |
135 | 135 |
136 GrGLProgramDataManager::UniformHandle fInnerThresholdVar; | 136 GrGLProgramDataManager::UniformHandle fInnerThresholdVar; |
137 GrGLProgramDataManager::UniformHandle fOuterThresholdVar; | 137 GrGLProgramDataManager::UniformHandle fOuterThresholdVar; |
138 | 138 |
139 typedef GrGLFragmentProcessor INHERITED; | 139 typedef GrGLFragmentProcessor INHERITED; |
140 }; | 140 }; |
141 | 141 |
142 void GrGLAlphaThresholdEffect::emitCode(GrGLFPBuilder* builder, | 142 void GrGLAlphaThresholdEffect::emitCode(GrGLFPBuilder* builder, |
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377 } | 377 } |
378 | 378 |
379 #ifndef SK_IGNORE_TO_STRING | 379 #ifndef SK_IGNORE_TO_STRING |
380 void SkAlphaThresholdFilterImpl::toString(SkString* str) const { | 380 void SkAlphaThresholdFilterImpl::toString(SkString* str) const { |
381 str->appendf("SkAlphaThresholdImageFilter: ("); | 381 str->appendf("SkAlphaThresholdImageFilter: ("); |
382 str->appendf("inner: %f outer: %f", fInnerThreshold, fOuterThreshold); | 382 str->appendf("inner: %f outer: %f", fInnerThreshold, fOuterThreshold); |
383 str->append(")"); | 383 str->append(")"); |
384 } | 384 } |
385 #endif | 385 #endif |
386 | 386 |
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