michael@0: 
michael@0: /*
michael@0:  * Copyright 2006 The Android Open Source Project
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: #include "SkImageDecoder.h"
michael@0: #include "SkMovie.h"
michael@0: #include "SkStream.h"
michael@0: 
michael@0: extern SkImageDecoder* image_decoder_from_stream(SkStreamRewindable*);
michael@0: 
michael@0: SkImageDecoder* SkImageDecoder::Factory(SkStreamRewindable* stream) {
michael@0:     return image_decoder_from_stream(stream);
michael@0: }
michael@0: 
michael@0: /////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: typedef SkTRegistry<SkMovie*(*)(SkStreamRewindable*)> MovieReg;
michael@0: 
michael@0: SkMovie* SkMovie::DecodeStream(SkStreamRewindable* stream) {
michael@0:     const MovieReg* curr = MovieReg::Head();
michael@0:     while (curr) {
michael@0:         SkMovie* movie = curr->factory()(stream);
michael@0:         if (movie) {
michael@0:             return movie;
michael@0:         }
michael@0:         // we must rewind only if we got NULL, since we gave the stream to the
michael@0:         // movie, who may have already started reading from it
michael@0:         stream->rewind();
michael@0:         curr = curr->next();
michael@0:     }
michael@0:     return NULL;
michael@0: }