19759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com 29759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com/* 39759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com * Copyright 2006 The Android Open Source Project 49759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com * 59759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com * Use of this source code is governed by a BSD-style license that can be 69759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com * found in the LICENSE file. 79759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com */ 89759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com 99759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com#include "SkImageDecoder.h" 109759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com#include "SkMovie.h" 119759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com#include "SkStream.h" 129759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com 13fcf1894d3100d37865bdda5b5bbf67f09e082077scroggo@google.comextern SkImageDecoder* image_decoder_from_stream(SkStreamRewindable*); 149759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com 15fcf1894d3100d37865bdda5b5bbf67f09e082077scroggo@google.comSkImageDecoder* SkImageDecoder::Factory(SkStreamRewindable* stream) { 169759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com return image_decoder_from_stream(stream); 179759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com} 189759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com 199759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com///////////////////////////////////////////////////////////////////////// 209759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com 21fcf1894d3100d37865bdda5b5bbf67f09e082077scroggo@google.comtypedef SkTRegistry<SkMovie*(*)(SkStreamRewindable*)> MovieReg; 229759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com 23fcf1894d3100d37865bdda5b5bbf67f09e082077scroggo@google.comSkMovie* SkMovie::DecodeStream(SkStreamRewindable* stream) { 249759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com const MovieReg* curr = MovieReg::Head(); 259759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com while (curr) { 269759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com SkMovie* movie = curr->factory()(stream); 279759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com if (movie) { 289759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com return movie; 299759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com } 309759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com // we must rewind only if we got NULL, since we gave the stream to the 319759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com // movie, who may have already started reading from it 329759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com stream->rewind(); 339759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com curr = curr->next(); 349759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com } 359759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com return NULL; 369759beb59fc6bb942229f2ace8980ca52dbf25f4scroggo@google.com} 37