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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2006 The Android Open Source Project | 3 * Copyright 2006 The Android Open Source Project |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 #include "SkBlurMaskFilter.h" | 9 #include "SkBlurMaskFilter.h" |
10 #include "SkBlurMask.h" | 10 #include "SkBlurMask.h" |
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853 SkScalar xformedSigma = this->computeXformedSigma(ctm); | 853 SkScalar xformedSigma = this->computeXformedSigma(ctm); |
854 | 854 |
855 int pad=SkScalarCeilToInt(6*xformedSigma)/2; | 855 int pad=SkScalarCeilToInt(6*xformedSigma)/2; |
856 rect.outset(SkIntToScalar(pad), SkIntToScalar(pad)); | 856 rect.outset(SkIntToScalar(pad), SkIntToScalar(pad)); |
857 | 857 |
858 SkAutoTUnref<GrFragmentProcessor> fp(GrRectBlurEffect::Create(context, rect,
xformedSigma)); | 858 SkAutoTUnref<GrFragmentProcessor> fp(GrRectBlurEffect::Create(context, rect,
xformedSigma)); |
859 if (!fp) { | 859 if (!fp) { |
860 return false; | 860 return false; |
861 } | 861 } |
862 | 862 |
863 if (!grp->localCoordChangeInverse(viewMatrix)) { | |
864 return false; | |
865 } | |
866 | |
867 grp->addCoverageProcessor(fp); | 863 grp->addCoverageProcessor(fp); |
868 | 864 |
869 context->drawRect(*grp, SkMatrix::I(), rect); | 865 SkMatrix inverse; |
| 866 if (!viewMatrix.invert(&inverse)) { |
| 867 return false; |
| 868 } |
| 869 context->drawNonAARectWithLocalMatrix(*grp, SkMatrix::I(), rect, inverse); |
870 return true; | 870 return true; |
871 } | 871 } |
872 | 872 |
873 class GrRRectBlurEffect : public GrFragmentProcessor { | 873 class GrRRectBlurEffect : public GrFragmentProcessor { |
874 public: | 874 public: |
875 | 875 |
876 static GrFragmentProcessor* Create(GrContext* context, float sigma, const Sk
RRect&); | 876 static GrFragmentProcessor* Create(GrContext* context, float sigma, const Sk
RRect&); |
877 | 877 |
878 virtual ~GrRRectBlurEffect() {}; | 878 virtual ~GrRRectBlurEffect() {}; |
879 virtual const char* name() const SK_OVERRIDE { return "GrRRectBlur"; } | 879 virtual const char* name() const SK_OVERRIDE { return "GrRRectBlur"; } |
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1135 SkMatrix ctm = viewMatrix; | 1135 SkMatrix ctm = viewMatrix; |
1136 SkScalar xformedSigma = this->computeXformedSigma(ctm); | 1136 SkScalar xformedSigma = this->computeXformedSigma(ctm); |
1137 float extra=3.f*SkScalarCeilToScalar(xformedSigma-1/6.0f); | 1137 float extra=3.f*SkScalarCeilToScalar(xformedSigma-1/6.0f); |
1138 proxy_rect.outset(extra, extra); | 1138 proxy_rect.outset(extra, extra); |
1139 | 1139 |
1140 SkAutoTUnref<GrFragmentProcessor> fp(GrRRectBlurEffect::Create(context, xfor
medSigma, rrect)); | 1140 SkAutoTUnref<GrFragmentProcessor> fp(GrRRectBlurEffect::Create(context, xfor
medSigma, rrect)); |
1141 if (!fp) { | 1141 if (!fp) { |
1142 return false; | 1142 return false; |
1143 } | 1143 } |
1144 | 1144 |
1145 if (!grp->localCoordChangeInverse(viewMatrix)) { | |
1146 return false; | |
1147 } | |
1148 | |
1149 grp->addCoverageProcessor(fp); | 1145 grp->addCoverageProcessor(fp); |
1150 | 1146 |
1151 context->drawRect(*grp, SkMatrix::I(), proxy_rect); | 1147 SkMatrix inverse; |
| 1148 if (!viewMatrix.invert(&inverse)) { |
| 1149 return false; |
| 1150 } |
| 1151 context->drawNonAARectWithLocalMatrix(*grp, SkMatrix::I(), proxy_rect, inver
se); |
1152 return true; | 1152 return true; |
1153 } | 1153 } |
1154 | 1154 |
1155 bool SkBlurMaskFilterImpl::canFilterMaskGPU(const SkRect& srcBounds, | 1155 bool SkBlurMaskFilterImpl::canFilterMaskGPU(const SkRect& srcBounds, |
1156 const SkIRect& clipBounds, | 1156 const SkIRect& clipBounds, |
1157 const SkMatrix& ctm, | 1157 const SkMatrix& ctm, |
1158 SkRect* maskRect) const { | 1158 SkRect* maskRect) const { |
1159 SkScalar xformedSigma = this->computeXformedSigma(ctm); | 1159 SkScalar xformedSigma = this->computeXformedSigma(ctm); |
1160 if (xformedSigma <= 0) { | 1160 if (xformedSigma <= 0) { |
1161 return false; | 1161 return false; |
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1265 } else { | 1265 } else { |
1266 str->append("None"); | 1266 str->append("None"); |
1267 } | 1267 } |
1268 str->append("))"); | 1268 str->append("))"); |
1269 } | 1269 } |
1270 #endif | 1270 #endif |
1271 | 1271 |
1272 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkBlurMaskFilter) | 1272 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkBlurMaskFilter) |
1273 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkBlurMaskFilterImpl) | 1273 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkBlurMaskFilterImpl) |
1274 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END | 1274 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END |
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