1 /*
2  * Copyright 2016 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 SkPaintImageFilter_DEFINED
9 #define SkPaintImageFilter_DEFINED
10 
11 #include "SkImageFilter.h"
12 #include "SkPaint.h"
13 
14 class SK_API SkPaintImageFilter : public SkImageFilter {
15 public:
16     /** Create a new image filter which fills the given rectangle using the
17      *  given paint. If no rectangle is specified, an output is produced with
18      *  the same bounds as the input primitive (even though the input
19      *  primitive's pixels are not used for processing).
20      *  @param paint  Paint to use when filling the rect.
21      *  @param rect   Rectangle of output pixels. If NULL or a given crop edge is
22      *                not specified, the source primitive's bounds are used
23      *                instead.
24      */
25     static sk_sp<SkImageFilter> Make(const SkPaint& paint, const CropRect* cropRect = nullptr);
26 
27     bool affectsTransparentBlack() const override;
28 
29     SK_TO_STRING_OVERRIDE()
30     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkPaintImageFilter)
31 
32 protected:
33     void flatten(SkWriteBuffer&) const override;
34     sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&,
35                                         SkIPoint* offset) const override;
36     sk_sp<SkImageFilter> onMakeColorSpace(SkColorSpaceXformer* xformer) const override;
37 
38 private:
39     SkPaintImageFilter(const SkPaint& paint, const CropRect* rect);
40 
41     SkPaint fPaint;
42 
43     typedef SkImageFilter INHERITED;
44 };
45 
46 #endif
47