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SkColorFilterImageFilter.h
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 SkColorFilterImageFilter_DEFINED
9 #define SkColorFilterImageFilter_DEFINED
10 
11 #include "SkImageFilter.h"
12 
13 class SkColorFilter;
14 
15 class SK_API SkColorFilterImageFilter : public SkImageFilter {
16 public:
19  const CropRect* cropRect = NULL);
20 
21  SK_TO_STRING_OVERRIDE()
22  SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkColorFilterImageFilter)
23 
24 protected:
25  void flatten(SkWriteBuffer&) const override;
26  sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&,
27  SkIPoint* offset) const override;
28  sk_sp<SkImageFilter> onMakeColorSpace(SkColorSpaceXformer*) const override;
29  bool onIsColorFilterNode(SkColorFilter**) const override;
30  bool onCanHandleComplexCTM() const override { return true; }
31  bool affectsTransparentBlack() const override;
32 
33 private:
36  const CropRect* cropRect);
37 
38  sk_sp<SkColorFilter> fColorFilter;
39 
40  typedef SkImageFilter INHERITED;
41 };
42 
43 #endif
Definition: SkImageFilter.h:76
ColorFilters are optional objects in the drawing pipeline.
Definition: SkColorFilter.h:32
void flatten(SkWriteBuffer &) const override
Override this if your subclass needs to record data that it will need to recreate itself from its Cre...
virtual sk_sp< SkSpecialImage > onFilterImage(SkSpecialImage *src, const Context &, SkIPoint *offset) const =0
This is the virtual which should be overridden by the derived class to perform image filtering...
Definition: SkColorFilterImageFilter.h:15
virtual bool onIsColorFilterNode(SkColorFilter **) const
Return true (and return a ref'd colorfilter) if this node in the DAG is just a colorfilter w/o CropRe...
Definition: SkImageFilter.h:350
Base class for image filters.
Definition: SkImageFilter.h:36
bool onCanHandleComplexCTM() const override
Override this to describe the behavior of your subclass - as a leaf node.
Definition: SkColorFilterImageFilter.h:30
Definition: SkWriteBuffer.h:27
Definition: SkImageFilter.h:54
SkIPoint holds two 32 bit integer coordinates.
Definition: SkPoint.h:40