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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" |
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36 SkRegion fRegion; | 36 SkRegion fRegion; |
37 SkScalar fInnerThreshold; | 37 SkScalar fInnerThreshold; |
38 SkScalar fOuterThreshold; | 38 SkScalar fOuterThreshold; |
39 typedef SkImageFilter INHERITED; | 39 typedef SkImageFilter INHERITED; |
40 }; | 40 }; |
41 | 41 |
42 SkImageFilter* SkAlphaThresholdFilter::Create(const SkRegion& region, | 42 SkImageFilter* SkAlphaThresholdFilter::Create(const SkRegion& region, |
43 SkScalar innerThreshold, | 43 SkScalar innerThreshold, |
44 SkScalar outerThreshold, | 44 SkScalar outerThreshold, |
45 SkImageFilter* input) { | 45 SkImageFilter* input) { |
46 return SkNEW_ARGS(SkAlphaThresholdFilterImpl, (region, innerThreshold, outer
Threshold, input)); | 46 return new SkAlphaThresholdFilterImpl(region, innerThreshold, outerThreshold
, input); |
47 } | 47 } |
48 | 48 |
49 #if SK_SUPPORT_GPU | 49 #if SK_SUPPORT_GPU |
50 #include "GrContext.h" | 50 #include "GrContext.h" |
51 #include "GrCoordTransform.h" | 51 #include "GrCoordTransform.h" |
52 #include "GrFragmentProcessor.h" | 52 #include "GrFragmentProcessor.h" |
53 #include "GrInvariantOutput.h" | 53 #include "GrInvariantOutput.h" |
54 #include "GrTextureAccess.h" | 54 #include "GrTextureAccess.h" |
55 #include "effects/GrPorterDuffXferProcessor.h" | 55 #include "effects/GrPorterDuffXferProcessor.h" |
56 | 56 |
57 #include "SkGr.h" | 57 #include "SkGr.h" |
58 | 58 |
59 #include "gl/GrGLFragmentProcessor.h" | 59 #include "gl/GrGLFragmentProcessor.h" |
60 #include "gl/builders/GrGLProgramBuilder.h" | 60 #include "gl/builders/GrGLProgramBuilder.h" |
61 | 61 |
62 class AlphaThresholdEffect : public GrFragmentProcessor { | 62 class AlphaThresholdEffect : public GrFragmentProcessor { |
63 | 63 |
64 public: | 64 public: |
65 static GrFragmentProcessor* Create(GrProcessorDataManager* procDataManager, | 65 static GrFragmentProcessor* Create(GrProcessorDataManager* procDataManager, |
66 GrTexture* texture, | 66 GrTexture* texture, |
67 GrTexture* maskTexture, | 67 GrTexture* maskTexture, |
68 float innerThreshold, | 68 float innerThreshold, |
69 float outerThreshold) { | 69 float outerThreshold) { |
70 return SkNEW_ARGS(AlphaThresholdEffect, (procDataManager, | 70 return new AlphaThresholdEffect(procDataManager, texture, maskTexture, i
nnerThreshold, |
71 texture, | 71 outerThreshold); |
72 maskTexture, | |
73 innerThreshold, | |
74 outerThreshold)); | |
75 } | 72 } |
76 | 73 |
77 virtual ~AlphaThresholdEffect() {}; | 74 virtual ~AlphaThresholdEffect() {}; |
78 | 75 |
79 const char* name() const override { return "Alpha Threshold"; } | 76 const char* name() const override { return "Alpha Threshold"; } |
80 | 77 |
81 float innerThreshold() const { return fInnerThreshold; } | 78 float innerThreshold() const { return fInnerThreshold; } |
82 float outerThreshold() const { return fOuterThreshold; } | 79 float outerThreshold() const { return fOuterThreshold; } |
83 | 80 |
84 private: | 81 private: |
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208 } | 205 } |
209 | 206 |
210 /////////////////////////////////////////////////////////////////////////////// | 207 /////////////////////////////////////////////////////////////////////////////// |
211 | 208 |
212 void AlphaThresholdEffect::onGetGLProcessorKey(const GrGLSLCaps& caps, | 209 void AlphaThresholdEffect::onGetGLProcessorKey(const GrGLSLCaps& caps, |
213 GrProcessorKeyBuilder* b) const { | 210 GrProcessorKeyBuilder* b) const { |
214 GrGLAlphaThresholdEffect::GenKey(*this, caps, b); | 211 GrGLAlphaThresholdEffect::GenKey(*this, caps, b); |
215 } | 212 } |
216 | 213 |
217 GrGLFragmentProcessor* AlphaThresholdEffect::onCreateGLInstance() const { | 214 GrGLFragmentProcessor* AlphaThresholdEffect::onCreateGLInstance() const { |
218 return SkNEW_ARGS(GrGLAlphaThresholdEffect, (*this)); | 215 return new GrGLAlphaThresholdEffect(*this); |
219 } | 216 } |
220 | 217 |
221 bool AlphaThresholdEffect::onIsEqual(const GrFragmentProcessor& sBase) const { | 218 bool AlphaThresholdEffect::onIsEqual(const GrFragmentProcessor& sBase) const { |
222 const AlphaThresholdEffect& s = sBase.cast<AlphaThresholdEffect>(); | 219 const AlphaThresholdEffect& s = sBase.cast<AlphaThresholdEffect>(); |
223 return (this->fInnerThreshold == s.fInnerThreshold && | 220 return (this->fInnerThreshold == s.fInnerThreshold && |
224 this->fOuterThreshold == s.fOuterThreshold); | 221 this->fOuterThreshold == s.fOuterThreshold); |
225 } | 222 } |
226 | 223 |
227 void AlphaThresholdEffect::onComputeInvariantOutput(GrInvariantOutput* inout) co
nst { | 224 void AlphaThresholdEffect::onComputeInvariantOutput(GrInvariantOutput* inout) co
nst { |
228 if (GrPixelConfigIsAlphaOnly(this->texture(0)->config())) { | 225 if (GrPixelConfigIsAlphaOnly(this->texture(0)->config())) { |
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375 } | 372 } |
376 | 373 |
377 #ifndef SK_IGNORE_TO_STRING | 374 #ifndef SK_IGNORE_TO_STRING |
378 void SkAlphaThresholdFilterImpl::toString(SkString* str) const { | 375 void SkAlphaThresholdFilterImpl::toString(SkString* str) const { |
379 str->appendf("SkAlphaThresholdImageFilter: ("); | 376 str->appendf("SkAlphaThresholdImageFilter: ("); |
380 str->appendf("inner: %f outer: %f", fInnerThreshold, fOuterThreshold); | 377 str->appendf("inner: %f outer: %f", fInnerThreshold, fOuterThreshold); |
381 str->append(")"); | 378 str->append(")"); |
382 } | 379 } |
383 #endif | 380 #endif |
384 | 381 |
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