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 SkComposeImageFilter_DEFINED
9 #define SkComposeImageFilter_DEFINED
10 
11 #include "SkImageFilter.h"
12 
13 class SK_API SkComposeImageFilter : public SkImageFilter {
14 public:
15     static sk_sp<SkImageFilter> Make(sk_sp<SkImageFilter> outer, sk_sp<SkImageFilter> inner);
16 
17     SkRect computeFastBounds(const SkRect& src) const override;
18 
19     SK_TO_STRING_OVERRIDE()
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkComposeImageFilter)20     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkComposeImageFilter)
21 
22 protected:
23     explicit SkComposeImageFilter(sk_sp<SkImageFilter> inputs[2]) : INHERITED(inputs, 2, nullptr) {
24         SkASSERT(inputs[0].get());
25         SkASSERT(inputs[1].get());
26     }
27     sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&,
28                                         SkIPoint* offset) const override;
29     SkIRect onFilterBounds(const SkIRect&, const SkMatrix&, MapDirection) const override;
onCanHandleComplexCTM()30     bool onCanHandleComplexCTM() const override { return true; }
31 
32 private:
33     typedef SkImageFilter INHERITED;
34 };
35 
36 #endif
37