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 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
40