| /* |
| * Copyright 2015 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 SkLocalMatrixImageFilter_DEFINED |
| #define SkLocalMatrixImageFilter_DEFINED |
| |
| #include "SkImageFilter.h" |
| #include "SkReadBuffer.h" |
| #include "SkString.h" |
| |
| /** |
| * Wraps another imagefilter + matrix, such that using this filter will give the same result |
| * as using the wrapped filter with the matrix applied to its context. |
| */ |
| class SkLocalMatrixImageFilter : public SkImageFilter { |
| public: |
| static SkImageFilter* Create(const SkMatrix& localM, SkImageFilter* input); |
| |
| SK_TO_STRING_OVERRIDE() |
| SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkLocalMatrixImageFilter) |
| |
| protected: |
| void flatten(SkWriteBuffer&) const override; |
| bool onFilterImageDeprecated(Proxy*, const SkBitmap& src, const Context&, |
| SkBitmap* result, SkIPoint* offset) const override; |
| bool onFilterBounds(const SkIRect& src, const SkMatrix&, SkIRect* dst, |
| MapDirection) const override; |
| |
| private: |
| SkLocalMatrixImageFilter(const SkMatrix& localM, SkImageFilter* input); |
| |
| SkMatrix fLocalM; |
| |
| typedef SkImageFilter INHERITED; |
| }; |
| |
| #endif |