Line data    Source code

       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 GrBitmapTextureMaker_DEFINED
       9             : #define GrBitmapTextureMaker_DEFINED
      10             : 
      11             : #include "GrTextureMaker.h"
      12             : 
      13             : /** This class manages the conversion of SW-backed bitmaps to GrTextures. If the input bitmap is
      14             :     non-volatile the texture is cached using a key created from the pixels' image id and the
      15             :     subset of the pixelref specified by the bitmap. */
      16           0 : class GrBitmapTextureMaker : public GrTextureMaker {
      17             : public:
      18             :     GrBitmapTextureMaker(GrContext* context, const SkBitmap& bitmap);
      19             : 
      20             : protected:
      21             :     sk_sp<GrTextureProxy> refOriginalTextureProxy(bool willBeMipped,
      22             :                                                   SkColorSpace* dstColorSpace) override;
      23             : 
      24             :     void makeCopyKey(const CopyParams& copyParams, GrUniqueKey* copyKey,
      25             :                      SkColorSpace* dstColorSpace) override;
      26             : 
      27             :     void didCacheCopy(const GrUniqueKey& copyKey) override;
      28             : 
      29             :     SkAlphaType alphaType() const override;
      30             :     sk_sp<SkColorSpace> getColorSpace(SkColorSpace* dstColorSpace) override;
      31             : 
      32             : private:
      33             :     const SkBitmap  fBitmap;
      34             :     GrUniqueKey     fOriginalKey;
      35             : 
      36             :     typedef GrTextureMaker INHERITED;
      37             : };
      38             : 
      39             : #endif