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