text: /*
   * Copyright 2016 Google Inc.
   *
   * Use of this source code is governed by a BSD-style license that can be
   * found in the LICENSE file.
   */
  
  #ifndef GrBitmapTextureMaker_DEFINED
  #define GrBitmapTextureMaker_DEFINED
  
  #include "GrTextureMaker.h"
  #include "SkBitmap.h"
  
  /** This class manages the conversion of SW-backed bitmaps to GrTextures. If the input bitmap is
      non-volatile the texture is cached using a key created from the pixels' image id and the
      subset of the pixelref specified by the bitmap. */
  class GrBitmapTextureMaker : public GrTextureMaker {
  public:
      GrBitmapTextureMaker(GrContext* context, const SkBitmap& bitmap);
  
  protected:
      sk_sp<GrTextureProxy> refOriginalTextureProxy(bool willBeMipped,
                                                    AllowedTexGenType onlyIfFast) override;
  
      void makeCopyKey(const CopyParams& copyParams, GrUniqueKey* copyKey) override;
      void didCacheCopy(const GrUniqueKey& copyKey, uint32_t contextUniqueID) override;
  
      SkAlphaType alphaType() const override;
      SkColorSpace* colorSpace() const override;
  
  private:
      const SkBitmap  fBitmap;
      GrUniqueKey     fOriginalKey;
  
      typedef GrTextureMaker INHERITED;
  };
  
  #endif
  