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      1 /*
      2  * Copyright 2013 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 SkStreamHelpers_DEFINED
      9 #define SkStreamHelpers_DEFINED
     10 
     11 class SkAutoMalloc;
     12 class SkStream;
     13 
     14 /**
     15  *  Copy the provided stream to memory allocated by storage.
     16  *  Used by SkImageDecoder_libbmp and SkImageDecoder_libico.
     17  *  @param storage Allocator to hold the memory. Will be reset to be large
     18  *      enough to hold the entire stream. Upon successful return,
     19  *      storage->get() will point to data holding the SkStream's entire
     20  *      contents.
     21  *  @param stream SkStream to be copied into storage.
     22  *  @return size_t Total number of bytes in the SkStream, which is also the
     23  *      number of bytes pointed to by storage->get(). Returns 0 on failure.
     24  */
     25 size_t CopyStreamToStorage(SkAutoMalloc* storage, SkStream* stream);
     26 
     27 #endif // SkStreamHelpers_DEFINED
     28