senorblanco@chromium.org | 4a9a612 | 2012-12-04 14:18:50 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2012 The Android Open Source Project |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #ifndef SkMergeImageFilter_DEFINED |
| 9 | #define SkMergeImageFilter_DEFINED |
| 10 | |
| 11 | #include "SkImageFilter.h" |
| 12 | |
| 13 | #include "SkXfermode.h" |
| 14 | |
| 15 | class SK_API SkMergeImageFilter : public SkImageFilter { |
| 16 | public: |
| 17 | SkMergeImageFilter(SkImageFilter* first, SkImageFilter* second, |
senorblanco@chromium.org | 962c886 | 2013-09-19 17:26:47 +0000 | [diff] [blame] | 18 | SkXfermode::Mode = SkXfermode::kSrcOver_Mode, |
senorblanco@chromium.org | b295fb6 | 2013-10-10 13:51:19 +0000 | [diff] [blame^] | 19 | const CropRect* cropRect = NULL); |
senorblanco@chromium.org | 4a9a612 | 2012-12-04 14:18:50 +0000 | [diff] [blame] | 20 | SkMergeImageFilter(SkImageFilter* filters[], int count, |
senorblanco@chromium.org | 962c886 | 2013-09-19 17:26:47 +0000 | [diff] [blame] | 21 | const SkXfermode::Mode modes[] = NULL, |
senorblanco@chromium.org | b295fb6 | 2013-10-10 13:51:19 +0000 | [diff] [blame^] | 22 | const CropRect* cropRect = NULL); |
senorblanco@chromium.org | 4a9a612 | 2012-12-04 14:18:50 +0000 | [diff] [blame] | 23 | virtual ~SkMergeImageFilter(); |
| 24 | |
| 25 | SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkMergeImageFilter) |
| 26 | |
| 27 | protected: |
| 28 | SkMergeImageFilter(SkFlattenableReadBuffer& buffer); |
| 29 | virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE; |
| 30 | |
| 31 | virtual bool onFilterImage(Proxy*, const SkBitmap& src, const SkMatrix&, |
| 32 | SkBitmap* result, SkIPoint* loc) SK_OVERRIDE; |
| 33 | virtual bool onFilterBounds(const SkIRect&, const SkMatrix&, SkIRect*) SK_OVERRIDE; |
| 34 | |
| 35 | private: |
| 36 | uint8_t* fModes; // SkXfermode::Mode |
| 37 | |
| 38 | // private storage, to avoid dynamically allocating storage for our copy |
| 39 | // of the modes (unless the count is so large we can't fit). |
| 40 | intptr_t fStorage[16]; |
| 41 | |
| 42 | void initAllocModes(); |
| 43 | void initModes(const SkXfermode::Mode []); |
| 44 | |
| 45 | typedef SkImageFilter INHERITED; |
| 46 | }; |
| 47 | |
| 48 | #endif |