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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     static sk_sp<SkImageFilter> Make(float k1, float k2, float k3, float k4, bool enforcePMColor,
     20                                      sk_sp<SkImageFilter> background) {
     21         return Make(k1, k2, k3, k4, enforcePMColor, std::move(background), nullptr, nullptr);
     22     }
     23 
     24     SK_DECLARE_FLATTENABLE_REGISTRAR_GROUP();
     25 
     26 private:
     27     SkArithmeticImageFilter();  // can't instantiate
     28 };
     29 
     30 #endif
     31