| /* |
| * 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() override; |
| |
| static sk_sp<SkImageFilter> Make(sk_sp<SkImageFilter> first, sk_sp<SkImageFilter> second, |
| SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, |
| const CropRect* cropRect = nullptr); |
| static sk_sp<SkImageFilter> Make(sk_sp<SkImageFilter> filters[], |
| int count, |
| const SkXfermode::Mode modes[] = nullptr, |
| const CropRect* cropRect = nullptr); |
| |
| SK_TO_STRING_OVERRIDE() |
| SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkMergeImageFilter) |
| |
| #ifdef SK_SUPPORT_LEGACY_IMAGEFILTER_PTR |
| static SkImageFilter* Create(SkImageFilter* first, SkImageFilter* second, |
| SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, |
| const CropRect* cropRect = nullptr) { |
| return Make(sk_ref_sp<SkImageFilter>(first), |
| sk_ref_sp<SkImageFilter>(second), |
| mode, cropRect).release(); |
| } |
| |
| static SkImageFilter* Create(SkImageFilter* filters[], int count, |
| const SkXfermode::Mode modes[] = nullptr, |
| const CropRect* cropRect = nullptr) { |
| SkAutoTDeleteArray<sk_sp<SkImageFilter>> temp(new sk_sp<SkImageFilter>[count]); |
| for (int i = 0; i < count; ++i) { |
| temp[i] = sk_ref_sp<SkImageFilter>(filters[i]); |
| } |
| return Make(temp.get(), count, modes, cropRect).release(); |
| } |
| #endif |
| |
| protected: |
| void flatten(SkWriteBuffer&) const override; |
| sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&, |
| SkIPoint* offset) const override; |
| bool onCanHandleComplexCTM() const override { return true; } |
| |
| private: |
| SkMergeImageFilter(sk_sp<SkImageFilter> filters[], int count, const SkXfermode::Mode modes[], |
| const CropRect* cropRect); |
| |
| 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 |