| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkImageShader_DEFINED |
| #define SkImageShader_DEFINED |
| |
| #include "SkBitmapProcShader.h" |
| #include "SkColorSpaceXformer.h" |
| #include "SkImage.h" |
| #include "SkShaderBase.h" |
| |
| class SkImageShader : public SkShaderBase { |
| public: |
| static sk_sp<SkShader> Make(sk_sp<SkImage>, TileMode tx, TileMode ty, |
| const SkMatrix* localMatrix); |
| |
| bool isOpaque() const override; |
| |
| SK_TO_STRING_OVERRIDE() |
| SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkImageShader) |
| |
| #if SK_SUPPORT_GPU |
| sk_sp<GrFragmentProcessor> asFragmentProcessor(const AsFPArgs&) const override; |
| #endif |
| |
| SkImageShader(sk_sp<SkImage>, TileMode tx, TileMode ty, const SkMatrix* localMatrix); |
| |
| static bool IsRasterPipelineOnly(SkColorType, SkShader::TileMode tx, SkShader::TileMode ty); |
| |
| protected: |
| void flatten(SkWriteBuffer&) const override; |
| Context* onMakeContext(const ContextRec&, SkArenaAlloc* storage) const override; |
| #ifdef SK_SUPPORT_LEGACY_SHADER_ISABITMAP |
| bool onIsABitmap(SkBitmap*, SkMatrix*, TileMode*) const override; |
| #endif |
| SkImage* onIsAImage(SkMatrix*, TileMode*) const override; |
| |
| bool onIsRasterPipelineOnly() const override; |
| |
| bool onAppendStages(SkRasterPipeline*, SkColorSpace*, SkArenaAlloc*, |
| const SkMatrix& ctm, const SkPaint&, const SkMatrix*) const override; |
| |
| sk_sp<SkShader> onMakeColorSpace(SkColorSpaceXformer* xformer) const override { |
| return xformer->apply(fImage.get())->makeShader(fTileModeX, fTileModeY, |
| &this->getLocalMatrix()); |
| } |
| |
| sk_sp<SkImage> fImage; |
| const TileMode fTileModeX; |
| const TileMode fTileModeY; |
| |
| private: |
| friend class SkShaderBase; |
| |
| typedef SkShaderBase INHERITED; |
| }; |
| |
| #endif |