| /* |
| * Copyright 2013 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkComposeImageFilter_DEFINED |
| #define SkComposeImageFilter_DEFINED |
| |
| #include "SkImageFilter.h" |
| |
| class SK_API SkComposeImageFilter : public SkImageFilter { |
| public: |
| virtual ~SkComposeImageFilter(); |
| |
| static SkImageFilter* Create(SkImageFilter* outer, SkImageFilter* inner) { |
| if (NULL == outer) { |
| return SkSafeRef(inner); |
| } |
| if (NULL == inner) { |
| return SkRef(outer); |
| } |
| SkImageFilter* inputs[2] = { outer, inner }; |
| return SkNEW_ARGS(SkComposeImageFilter, (inputs)); |
| } |
| void computeFastBounds(const SkRect& src, SkRect* dst) const override; |
| |
| SK_TO_STRING_OVERRIDE() |
| SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkComposeImageFilter) |
| |
| protected: |
| explicit SkComposeImageFilter(SkImageFilter* inputs[2]) : INHERITED(2, inputs) { |
| SkASSERT(inputs[0]); |
| SkASSERT(inputs[1]); |
| } |
| virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, |
| SkBitmap* result, SkIPoint* loc) const override; |
| bool onFilterBounds(const SkIRect&, const SkMatrix&, SkIRect*) const override; |
| |
| private: |
| typedef SkImageFilter INHERITED; |
| }; |
| |
| #endif |