Change SkImageDecoders to take an SkStreamRewindable.

src/ports/SkImageDecoder_empty.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 "SkBitmap.h"
 #include "SkBitmapFactory.h"
 #include "SkImage.h"
 #include "SkImageDecoder.h"
 #include "SkImageEncoder.h"
 #include "SkMovie.h"
 
 class SkColorTable;
 class SkStream;
+class SkStreamRewindable;
 
 // Empty implementations for SkImageDecoder.
 
-SkImageDecoder* SkImageDecoder::Factory(SkStream*) {
+SkImageDecoder* SkImageDecoder::Factory(SkStreamRewindable*) {
     return NULL;
 }
 
 void SkImageDecoder::copyFieldsToOther(SkImageDecoder* ) {}
 
 bool SkImageDecoder::DecodeFile(const char[], SkBitmap*, SkBitmap::Config,
                                 SkImageDecoder::Mode, SkImageDecoder::Format*) {
     return false;
 }
 
 bool SkImageDecoder::decode(SkStream*, SkBitmap*, SkBitmap::Config, Mode) {
     return false;
 }
 
-bool SkImageDecoder::DecodeStream(SkStream*, SkBitmap*, SkBitmap::Config,
+bool SkImageDecoder::DecodeStream(SkStreamRewindable*, SkBitmap*, SkBitmap::Config,
                                   SkImageDecoder::Mode,
                                   SkImageDecoder::Format*) {
     return false;
 }
 
 bool SkImageDecoder::DecodeMemory(const void*, size_t, SkBitmap*,
                                   SkBitmap::Config, SkImageDecoder::Mode,
                                   SkImageDecoder::Format*) {
     return false;
 }
 
-bool SkImageDecoder::buildTileIndex(SkStream*, int *width, int *height) {
+bool SkImageDecoder::buildTileIndex(SkStreamRewindable*, int *width, int *height) {
     return false;
 }
 
 bool SkImageDecoder::decodeSubset(SkBitmap*, const SkIRect&, SkBitmap::Config) {
     return false;
 }
 
 SkImageDecoder::Format SkImageDecoder::getFormat() const {
     return kUnknown_Format;
 }
 
-SkImageDecoder::Format SkImageDecoder::GetStreamFormat(SkStream*) {
+SkImageDecoder::Format SkImageDecoder::GetStreamFormat(SkStreamRewindable*) {
     return kUnknown_Format;
 }
 
 const char* SkImageDecoder::GetFormatName(Format) {
     return NULL;
 }
 
 SkImageDecoder::Peeker* SkImageDecoder::setPeeker(Peeker*) {
     return NULL;
 }
@@ skipping 34 matching lines @@
 
 SkBitmap::Config SkImageDecoder::getPrefConfig(SrcDepth, bool) const {
     return SkBitmap::kNo_Config;
 }
 
 
 /////////////////////////////////////////////////////////////////////////
 
 // Empty implementation for SkMovie.
 
-SkMovie* SkMovie::DecodeStream(SkStream* stream) {
+SkMovie* SkMovie::DecodeStream(SkStreamRewindable* stream) {
     return NULL;
 }
 
 /////////////////////////////////////////////////////////////////////////
 
 // Empty implementations for SkImageEncoder.
 
 SkImageEncoder* SkImageEncoder::Create(Type t) {
     return NULL;
 }
@@ skipping 21 matching lines @@
 bool SkImageEncoder::encodeFile(const char file[], const SkBitmap& bm, int quality) {
     return false;
 }
 /////////////////////////////////////////////////////////////////////////
 
 // Empty implementation for SkImages.
 
 #include "SkImages.h"
 
 void SkImages::InitializeFlattenables() {}