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 SkOffsetImageFilter_DEFINED
9#define SkOffsetImageFilter_DEFINED
10
11#include "SkImageFilter.h"
12#include "SkPoint.h"
13
14class SK_API SkOffsetImageFilter : public SkImageFilter {
15    typedef SkImageFilter INHERITED;
16
17public:
18    SkOffsetImageFilter(SkScalar dx, SkScalar dy, SkImageFilter* input = NULL,
19                        const CropRect* cropRect = NULL);
20    SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkOffsetImageFilter)
21
22protected:
23    SkOffsetImageFilter(SkFlattenableReadBuffer& buffer);
24    virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE;
25
26    virtual bool onFilterImage(Proxy*, const SkBitmap& src, const SkMatrix&,
27                               SkBitmap* result, SkIPoint* loc) SK_OVERRIDE;
28    virtual bool onFilterBounds(const SkIRect&, const SkMatrix&, SkIRect*) SK_OVERRIDE;
29
30private:
31    SkVector fOffset;
32};
33
34#endif
35