| /* |
| * 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 SkOffsetImageFilter_DEFINED |
| #define SkOffsetImageFilter_DEFINED |
| |
| #include "SkImageFilter.h" |
| #include "SkPoint.h" |
| |
| class SK_API SkOffsetImageFilter : public SkImageFilter { |
| typedef SkImageFilter INHERITED; |
| |
| public: |
| static SkOffsetImageFilter* Create(SkScalar dx, SkScalar dy, SkImageFilter* input = NULL, |
| const CropRect* cropRect = NULL, |
| uint32_t uniqueID = 0) { |
| if (!SkScalarIsFinite(dx) || !SkScalarIsFinite(dy)) { |
| return NULL; |
| } |
| return SkNEW_ARGS(SkOffsetImageFilter, (dx, dy, input, cropRect, uniqueID)); |
| } |
| virtual void computeFastBounds(const SkRect& src, SkRect* dst) const SK_OVERRIDE; |
| SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkOffsetImageFilter) |
| |
| protected: |
| SkOffsetImageFilter(SkScalar dx, SkScalar dy, SkImageFilter* input, const CropRect* cropRect, uint32_t uniqueID); |
| #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING |
| explicit SkOffsetImageFilter(SkReadBuffer& buffer); |
| #endif |
| virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; |
| |
| virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, |
| SkBitmap* result, SkIPoint* loc) const SK_OVERRIDE; |
| virtual bool onFilterBounds(const SkIRect&, const SkMatrix&, SkIRect*) const SK_OVERRIDE; |
| |
| private: |
| SkVector fOffset; |
| }; |
| |
| #endif |
