sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 Google Inc. |
| 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 SkDisplacementMapEffect_DEFINED |
| 9 | #define SkDisplacementMapEffect_DEFINED |
| 10 | |
| 11 | #include "SkImageFilter.h" |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 12 | |
| 13 | class SK_API SkDisplacementMapEffect : public SkImageFilter { |
| 14 | public: |
| 15 | enum ChannelSelectorType { |
| 16 | kUnknown_ChannelSelectorType, |
| 17 | kR_ChannelSelectorType, |
| 18 | kG_ChannelSelectorType, |
| 19 | kB_ChannelSelectorType, |
Robert Phillips | b0ae566 | 2018-01-24 14:39:38 -0500 | [diff] [blame] | 20 | kA_ChannelSelectorType, |
| 21 | |
| 22 | kLast_ChannelSelectorType = kA_ChannelSelectorType |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 23 | }; |
| 24 | |
robertphillips | bfe11fc | 2016-04-15 07:17:36 -0700 | [diff] [blame] | 25 | ~SkDisplacementMapEffect() override; |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 26 | |
robertphillips | bfe11fc | 2016-04-15 07:17:36 -0700 | [diff] [blame] | 27 | static sk_sp<SkImageFilter> Make(ChannelSelectorType xChannelSelector, |
| 28 | ChannelSelectorType yChannelSelector, |
| 29 | SkScalar scale, |
| 30 | sk_sp<SkImageFilter> displacement, |
| 31 | sk_sp<SkImageFilter> color, |
| 32 | const CropRect* cropRect = nullptr); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 33 | |
senorblanco | e5e7984 | 2016-03-21 14:51:59 -0700 | [diff] [blame] | 34 | SkRect computeFastBounds(const SkRect& src) const override; |
senorblanco@chromium.org | 336d1d7 | 2014-01-27 21:03:17 +0000 | [diff] [blame] | 35 | |
Robert Phillips | 1207843 | 2018-05-17 11:17:39 -0400 | [diff] [blame] | 36 | virtual SkIRect onFilterBounds(const SkIRect& src, const SkMatrix& ctm, |
| 37 | MapDirection, const SkIRect* inputRect) const override; |
Matt Sarett | 6d72ed9 | 2017-04-10 16:35:33 -0400 | [diff] [blame] | 38 | sk_sp<SkImageFilter> onMakeColorSpace(SkColorSpaceXformer*) const override; |
Robert Phillips | 1207843 | 2018-05-17 11:17:39 -0400 | [diff] [blame] | 39 | SkIRect onFilterNodeBounds(const SkIRect&, const SkMatrix& ctm, |
| 40 | MapDirection, const SkIRect* inputRect) const override; |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 41 | |
Cary Clark | 4dc5a45 | 2018-05-21 11:56:57 -0400 | [diff] [blame] | 42 | Factory getFactory() const override { return CreateProc; } |
| 43 | |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 44 | protected: |
robertphillips | e6277de | 2016-04-11 07:23:34 -0700 | [diff] [blame] | 45 | sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&, |
| 46 | SkIPoint* offset) const override; |
| 47 | |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 48 | SkDisplacementMapEffect(ChannelSelectorType xChannelSelector, |
| 49 | ChannelSelectorType yChannelSelector, |
robertphillips | bfe11fc | 2016-04-15 07:17:36 -0700 | [diff] [blame] | 50 | SkScalar scale, sk_sp<SkImageFilter> inputs[2], |
senorblanco | 24e06d5 | 2015-03-18 12:11:33 -0700 | [diff] [blame] | 51 | const CropRect* cropRect); |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 52 | void flatten(SkWriteBuffer&) const override; |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 53 | |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 54 | private: |
Cary Clark | 4dc5a45 | 2018-05-21 11:56:57 -0400 | [diff] [blame] | 55 | static sk_sp<SkFlattenable> CreateProc(SkReadBuffer&); |
| 56 | friend class SkFlattenable::PrivateInitializer; |
| 57 | |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 58 | ChannelSelectorType fXChannelSelector; |
| 59 | ChannelSelectorType fYChannelSelector; |
| 60 | SkScalar fScale; |
| 61 | typedef SkImageFilter INHERITED; |
senorblanco@chromium.org | 336d1d7 | 2014-01-27 21:03:17 +0000 | [diff] [blame] | 62 | const SkImageFilter* getDisplacementInput() const { return getInput(0); } |
| 63 | const SkImageFilter* getColorInput() const { return getInput(1); } |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 64 | }; |
| 65 | |
| 66 | #endif |