text: /*
   * Copyright 2018 Google Inc.
   *
   * Use of this source code is governed by a BSD-style license that can be
   * found in the LICENSE file.
   */
  
  #ifndef GrSDFMaskFilter_DEFINED
  #define GrSDFMaskFilter_DEFINED
  
  #include "include/core/SkMaskFilter.h"
  
  /** \class GrSDFMaskFilter
  
      This mask filter converts an alpha mask to a signed distance field representation
  */
  class GrSDFMaskFilter : public SkMaskFilter {
   public:
    static sk_sp<SkMaskFilter> Make();
  };
  
  extern void gr_register_sdf_maskfilter_createproc();
  
  #endif
  