| /* |
| * Copyright 2014 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkLocalMatrixShader_DEFINED |
| #define SkLocalMatrixShader_DEFINED |
| |
| #include "SkShader.h" |
| #include "SkReadBuffer.h" |
| #include "SkWriteBuffer.h" |
| |
| class GrFragmentProcessor; |
| |
| class SkLocalMatrixShader : public SkShader { |
| public: |
| SkLocalMatrixShader(sk_sp<SkShader> proxy, const SkMatrix& localMatrix) |
| : INHERITED(&localMatrix) |
| , fProxyShader(std::move(proxy)) |
| {} |
| |
| GradientType asAGradient(GradientInfo* info) const override { |
| return fProxyShader->asAGradient(info); |
| } |
| |
| #if SK_SUPPORT_GPU |
| sk_sp<GrFragmentProcessor> asFragmentProcessor(const AsFPArgs&) const override; |
| #endif |
| |
| sk_sp<SkShader> makeAsALocalMatrixShader(SkMatrix* localMatrix) const override { |
| if (localMatrix) { |
| *localMatrix = this->getLocalMatrix(); |
| } |
| return fProxyShader; |
| } |
| |
| SK_TO_STRING_OVERRIDE() |
| SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkLocalMatrixShader) |
| |
| protected: |
| void flatten(SkWriteBuffer&) const override; |
| Context* onCreateContext(const ContextRec&, void*) const override; |
| |
| size_t onContextSize(const ContextRec& rec) const override { |
| return fProxyShader->contextSize(rec); |
| } |
| |
| SkImage* onIsAImage(SkMatrix* matrix, TileMode* mode) const override { |
| return fProxyShader->isAImage(matrix, mode); |
| } |
| |
| bool onAppendStages(SkRasterPipeline*, SkColorSpace*, SkArenaAlloc*, |
| const SkMatrix&, const SkPaint&, const SkMatrix*) const override; |
| |
| #ifdef SK_SUPPORT_LEGACY_SHADER_ISABITMAP |
| bool onIsABitmap(SkBitmap* bitmap, SkMatrix* matrix, TileMode* mode) const override { |
| return fProxyShader->isABitmap(bitmap, matrix, mode); |
| } |
| #endif |
| |
| private: |
| sk_sp<SkShader> fProxyShader; |
| |
| typedef SkShader INHERITED; |
| }; |
| |
| #endif |