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/*
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "public/web/WebImageDecoder.h"
#include "base/memory/scoped_refptr.h"
#include "platform/SharedBuffer.h"
#include "platform/image-decoders/bmp/BMPImageDecoder.h"
#include "platform/image-decoders/ico/ICOImageDecoder.h"
#include "public/platform/Platform.h"
#include "public/platform/WebData.h"
#include "public/platform/WebImage.h"
#include "public/platform/WebSize.h"
namespace blink {
void WebImageDecoder::Reset() {
delete private_;
}
void WebImageDecoder::Init(Type type) {
size_t max_decoded_bytes = Platform::Current()->MaxDecodedImageBytes();
switch (type) {
case kTypeBMP:
private_ = new BMPImageDecoder(ImageDecoder::kAlphaPremultiplied,
ColorBehavior::TransformToSRGB(),
max_decoded_bytes);
break;
case kTypeICO:
private_ = new ICOImageDecoder(ImageDecoder::kAlphaPremultiplied,
ColorBehavior::TransformToSRGB(),
max_decoded_bytes);
break;
}
}
void WebImageDecoder::SetData(const WebData& data, bool all_data_received) {
DCHECK(private_);
private_->SetData(data, all_data_received);
}
bool WebImageDecoder::IsFailed() const {
DCHECK(private_);
return private_->Failed();
}
bool WebImageDecoder::IsSizeAvailable() const {
DCHECK(private_);
return private_->IsSizeAvailable();
}
WebSize WebImageDecoder::Size() const {
DCHECK(private_);
return private_->Size();
}
size_t WebImageDecoder::FrameCount() const {
DCHECK(private_);
return private_->FrameCount();
}
bool WebImageDecoder::IsFrameCompleteAtIndex(int index) const {
DCHECK(private_);
ImageFrame* const frame_buffer = private_->DecodeFrameBufferAtIndex(index);
if (!frame_buffer)
return false;
return frame_buffer->GetStatus() == ImageFrame::kFrameComplete;
}
WebImage WebImageDecoder::GetFrameAtIndex(int index = 0) const {
DCHECK(private_);
ImageFrame* const frame_buffer = private_->DecodeFrameBufferAtIndex(index);
if (!frame_buffer)
return WebImage();
return WebImage(frame_buffer->Bitmap());
}
} // namespace blink