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 SkImageDeserializer_DEFINED
       9             : #define SkImageDeserializer_DEFINED
      10             : 
      11             : #include "SkRefCnt.h"
      12             : 
      13             : struct SkIRect;
      14             : class SkData;
      15             : class SkImage;
      16             : 
      17             : class SK_API SkImageDeserializer {
      18             : public:
      19           0 :     virtual ~SkImageDeserializer() {}
      20             : 
      21             :     /**
      22             :      *  Given a data containing serialized content, return an SkImage from it.
      23             :      *
      24             :      *  @param data The data containing the encoded image. The subclass may ref this for later
      25             :      *              decoding, or read it and process it immediately.
      26             :      *  @param subset Optional rectangle represent the subset of the encoded data that is being
      27             :      *                requested to be turned into an image.
      28             :      *  @return The new image, or nullptr on failure.
      29             :      *
      30             :      *  The default implementation is to call SkImage::MakeFromEncoded(...)
      31             :      */
      32             :     virtual sk_sp<SkImage> makeFromData(SkData*, const SkIRect* subset);
      33             :     virtual sk_sp<SkImage> makeFromMemory(const void* data, size_t length, const SkIRect* subset);
      34             : };
      35             : 
      36             : #endif