Updates to images project.

src/images/SkImageDecoder_FactoryDefault.cpp

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