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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 SkArithmeticImageFilter_DEFINED
      9 #define SkArithmeticImageFilter_DEFINED
     10 
     11 #include "SkImageFilter.h"
     12 
     13 class SK_API SkArithmeticImageFilter {
     14 public:
     15     static sk_sp<SkImageFilter> Make(float k1, float k2, float k3, float k4, bool enforcePMColor,
     16                                      sk_sp<SkImageFilter> background,
     17                                      sk_sp<SkImageFilter> foreground,
     18                                      const SkImageFilter::CropRect* cropRect);
     19 
     20     SK_DECLARE_FLATTENABLE_REGISTRAR_GROUP();
     21 
     22 private:
     23     SkArithmeticImageFilter();  // can't instantiate
     24 };
     25 
     26 #endif
     27