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      1 /*
      2  * Copyright 2015 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 SkImageGeneratorUtils_DEFINED
      9 #define SkImageGeneratorUtils_DEFINED
     10 
     11 #include "SkImageGenerator.h"
     12 
     13 class SkImage;
     14 
     15 class SkImageGeneratorUtils {
     16 public:
     17     // Returns a generator of the specified dimensions, but will always fail to return anything
     18     static SkImageGenerator* NewEmpty(const SkImageInfo&);
     19 
     20     // If the bitmap is mutable, it will make a copy first
     21     static SkImageGenerator* NewFromBitmap(const SkBitmap&);
     22 
     23     // Ref's the provided texture, so it had better be const!
     24     static SkImageGenerator* NewFromTexture(GrContext*, GrTexture*);
     25 
     26     static SkImageGenerator* NewFromImage(const SkImage*);
     27 };
     28 
     29 #endif
     30