senorblanco@chromium.org | 86fc266 | 2013-05-31 17:49:12 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 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 SkXfermodeImageFilter_DEFINED |
| 9 | #define SkXfermodeImageFilter_DEFINED |
| 10 | |
| 11 | #include "SkImageFilter.h" |
| 12 | |
| 13 | class SkBitmap; |
| 14 | class SkXfermode; |
| 15 | |
| 16 | class SK_API SkXfermodeImageFilter : public SkImageFilter { |
| 17 | /** |
| 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 |
| 20 | * bitmap (src) is used instead. |
| 21 | */ |
| 22 | |
| 23 | public: |
senorblanco@chromium.org | 86fc266 | 2013-05-31 17:49:12 +0000 | [diff] [blame] | 24 | virtual ~SkXfermodeImageFilter(); |
| 25 | |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 26 | static SkXfermodeImageFilter* Create(SkXfermode* mode, SkImageFilter* background, |
| 27 | SkImageFilter* foreground = NULL, |
| 28 | const CropRect* cropRect = NULL) { |
| 29 | return SkNEW_ARGS(SkXfermodeImageFilter, (mode, background, foreground, cropRect)); |
| 30 | } |
| 31 | |
senorblanco@chromium.org | 86fc266 | 2013-05-31 17:49:12 +0000 | [diff] [blame] | 32 | SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkXfermodeImageFilter) |
| 33 | |
| 34 | virtual bool onFilterImage(Proxy* proxy, |
| 35 | const SkBitmap& src, |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame^] | 36 | const Context& ctx, |
senorblanco@chromium.org | 86fc266 | 2013-05-31 17:49:12 +0000 | [diff] [blame] | 37 | SkBitmap* dst, |
commit-bot@chromium.org | ae761f7 | 2014-02-05 22:32:02 +0000 | [diff] [blame] | 38 | SkIPoint* offset) const SK_OVERRIDE; |
senorblanco@chromium.org | 86fc266 | 2013-05-31 17:49:12 +0000 | [diff] [blame] | 39 | #if SK_SUPPORT_GPU |
senorblanco@chromium.org | b295fb6 | 2013-10-10 13:51:19 +0000 | [diff] [blame] | 40 | virtual bool canFilterImageGPU() const SK_OVERRIDE { return !cropRectIsSet(); } |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame^] | 41 | virtual bool filterImageGPU(Proxy* proxy, const SkBitmap& src, const Context& ctx, |
commit-bot@chromium.org | ae761f7 | 2014-02-05 22:32:02 +0000 | [diff] [blame] | 42 | SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE; |
senorblanco@chromium.org | 86fc266 | 2013-05-31 17:49:12 +0000 | [diff] [blame] | 43 | #endif |
| 44 | |
| 45 | protected: |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 46 | explicit SkXfermodeImageFilter(SkReadBuffer& buffer); |
| 47 | virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; |
senorblanco@chromium.org | 86fc266 | 2013-05-31 17:49:12 +0000 | [diff] [blame] | 48 | |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 49 | #ifdef SK_SUPPORT_LEGACY_PUBLICEFFECTCONSTRUCTORS |
| 50 | public: |
| 51 | #endif |
| 52 | SkXfermodeImageFilter(SkXfermode* mode, SkImageFilter* background, |
| 53 | SkImageFilter* foreground = NULL, const CropRect* cropRect = NULL); |
| 54 | |
senorblanco@chromium.org | 86fc266 | 2013-05-31 17:49:12 +0000 | [diff] [blame] | 55 | private: |
| 56 | SkXfermode* fMode; |
| 57 | typedef SkImageFilter INHERITED; |
| 58 | }; |
| 59 | |
| 60 | #endif |