| /* |
| * Copyright 2012 The Android Open Source Project |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkMergeImageFilter_DEFINED |
| #define SkMergeImageFilter_DEFINED |
| |
| #include "SkImageFilter.h" |
| |
| #include "SkXfermode.h" |
| |
| class SK_API SkMergeImageFilter : public SkImageFilter { |
| public: |
| SkMergeImageFilter(SkImageFilter* first, SkImageFilter* second, |
| SkXfermode::Mode = SkXfermode::kSrcOver_Mode, |
| const CropRect* cropRect = NULL); |
| SkMergeImageFilter(SkImageFilter* filters[], int count, |
| const SkXfermode::Mode modes[] = NULL, |
| const CropRect* cropRect = NULL); |
| virtual ~SkMergeImageFilter(); |
| |
| SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkMergeImageFilter) |
| |
| protected: |
| SkMergeImageFilter(SkFlattenableReadBuffer& buffer); |
| virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE; |
| |
| virtual bool onFilterImage(Proxy*, const SkBitmap& src, const SkMatrix&, |
| SkBitmap* result, SkIPoint* loc) SK_OVERRIDE; |
| virtual bool onFilterBounds(const SkIRect&, const SkMatrix&, SkIRect*) SK_OVERRIDE; |
| |
| private: |
| uint8_t* fModes; // SkXfermode::Mode |
| |
| // private storage, to avoid dynamically allocating storage for our copy |
| // of the modes (unless the count is so large we can't fit). |
| intptr_t fStorage[16]; |
| |
| void initAllocModes(); |
| void initModes(const SkXfermode::Mode []); |
| |
| typedef SkImageFilter INHERITED; |
| }; |
| |
| #endif |