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1 /* | 1 /* |
2 * Copyright 2013 The Android Open Source Project | 2 * Copyright 2013 The Android Open Source Project |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SkXfermodeImageFilter_DEFINED | 8 #ifndef SkXfermodeImageFilter_DEFINED |
9 #define SkXfermodeImageFilter_DEFINED | 9 #define SkXfermodeImageFilter_DEFINED |
10 | 10 |
11 #include "SkImageFilter.h" | 11 #include "SkImageFilter.h" |
12 | 12 |
13 class SkBitmap; | 13 class SkBitmap; |
14 class SkXfermode; | 14 class SkXfermode; |
15 | 15 |
16 class SK_API SkXfermodeImageFilter : public SkImageFilter { | 16 class SK_API SkXfermodeImageFilter : public SkImageFilter { |
17 /** | 17 /** |
18 * This filter takes an xfermode, and uses it to composite the foreground | 18 * This filter takes an xfermode, and uses it to composite the foreground |
19 * over the background. If foreground or background is NULL, the input | 19 * over the background. If foreground or background is NULL, the input |
20 * bitmap (src) is used instead. | 20 * bitmap (src) is used instead. |
21 */ | 21 */ |
22 | 22 |
23 public: | 23 public: |
24 virtual ~SkXfermodeImageFilter(); | 24 virtual ~SkXfermodeImageFilter(); |
25 | 25 |
26 static SkXfermodeImageFilter* Create(SkXfermode* mode, SkImageFilter* backgr
ound, | 26 static SkXfermodeImageFilter* Create(SkXfermode* mode, SkImageFilter* backgr
ound, |
27 SkImageFilter* foreground = NULL, | 27 SkImageFilter* foreground = NULL, |
28 const CropRect* cropRect = NULL) { | 28 const CropRect* cropRect = NULL) { |
29 return SkNEW_ARGS(SkXfermodeImageFilter, (mode, background, foreground,
cropRect)); | 29 SkImageFilter* inputs[2] = { background, foreground }; |
| 30 return SkNEW_ARGS(SkXfermodeImageFilter, (mode, inputs, cropRect)); |
30 } | 31 } |
31 | 32 |
32 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkXfermodeImageFilter) | 33 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkXfermodeImageFilter) |
33 | 34 |
34 virtual bool onFilterImage(Proxy* proxy, | 35 virtual bool onFilterImage(Proxy* proxy, |
35 const SkBitmap& src, | 36 const SkBitmap& src, |
36 const Context& ctx, | 37 const Context& ctx, |
37 SkBitmap* dst, | 38 SkBitmap* dst, |
38 SkIPoint* offset) const SK_OVERRIDE; | 39 SkIPoint* offset) const SK_OVERRIDE; |
39 #if SK_SUPPORT_GPU | 40 #if SK_SUPPORT_GPU |
40 virtual bool canFilterImageGPU() const SK_OVERRIDE; | 41 virtual bool canFilterImageGPU() const SK_OVERRIDE; |
41 virtual bool filterImageGPU(Proxy* proxy, const SkBitmap& src, const Context
& ctx, | 42 virtual bool filterImageGPU(Proxy* proxy, const SkBitmap& src, const Context
& ctx, |
42 SkBitmap* result, SkIPoint* offset) const SK_OVE
RRIDE; | 43 SkBitmap* result, SkIPoint* offset) const SK_OVE
RRIDE; |
43 #endif | 44 #endif |
44 | 45 |
45 protected: | 46 protected: |
46 SkXfermodeImageFilter(SkXfermode* mode, SkImageFilter* background, | 47 SkXfermodeImageFilter(SkXfermode* mode, SkImageFilter* inputs[2], |
47 SkImageFilter* foreground, const CropRect* cropRect); | 48 const CropRect* cropRect); |
48 explicit SkXfermodeImageFilter(SkReadBuffer& buffer); | 49 explicit SkXfermodeImageFilter(SkReadBuffer& buffer); |
49 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; | 50 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; |
50 | 51 |
51 private: | 52 private: |
52 SkXfermode* fMode; | 53 SkXfermode* fMode; |
53 typedef SkImageFilter INHERITED; | 54 typedef SkImageFilter INHERITED; |
54 }; | 55 }; |
55 | 56 |
56 #endif | 57 #endif |
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