1/*
2 * Copyright (C) 2010 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "config.h"
32#if ENABLE(IMAGE_RESIZER)
33
34#include "ImageResizerThread.h"
35
36#include "BitmapImage.h"
37#include "Image.h"
38#include "SharedBuffer.h"
39#include <utility>
40
41namespace WebCore {
42
43static void returnBlobOrError(void* callbackInformation)
44{
45    AsyncImageResizer::CallbackInfo* callbackInfo = static_cast<AsyncImageResizer::CallbackInfo*>(callbackInformation);
46    if (!callbackInfo->blob)
47        callbackInfo->asyncImageResizer->resizeError();
48    else
49        callbackInfo->asyncImageResizer->resizeComplete(callbackInfo->blob);
50    delete callbackInfo;
51}
52
53bool ImageResizerThread::start(PassRefPtr<SharedBuffer> imageData, AsyncImageResizer::CallbackInfo* callbackInfo, AsyncImageResizer::OutputType outputType, IntSize desiredBounds, float quality, AsyncImageResizer::AspectRatioOption aspectRatioOption, AsyncImageResizer::OrientationOption orientationOption)
54{
55    ImageResizerThread* imageResizerThread = new ImageResizerThread(callbackInfo, outputType, desiredBounds, quality, aspectRatioOption, orientationOption);
56
57    RefPtr<SharedBuffer> copiedImageData = imageData->copy();
58    imageResizerThread->m_image = BitmapImage::create();
59    imageResizerThread->m_image->setData(copiedImageData, true);
60
61    imageResizerThread->m_threadID = createThread(ImageResizerThread::imageResizerThreadStart, imageResizerThread, "ImageResizerThread");
62    return imageResizerThread->m_threadID;
63}
64
65ImageResizerThread::ImageResizerThread(AsyncImageResizer::CallbackInfo* callbackInfo, AsyncImageResizer::OutputType outputType, IntSize desiredBounds, float quality, AsyncImageResizer::AspectRatioOption aspectRatioOption, AsyncImageResizer::OrientationOption orientationOption)
66    : m_threadID(0)
67    , m_callbackInfo(callbackInfo)
68    , m_outputType(outputType)
69    , m_desiredBounds(desiredBounds)
70    , m_quality(quality)
71    , m_aspectRatioOption(aspectRatioOption)
72    , m_orientationOption(orientationOption)
73{
74}
75
76ImageResizerThread::~ImageResizerThread()
77{
78}
79
80void* ImageResizerThread::imageResizerThreadStart(void* thread)
81{
82    return static_cast<ImageResizerThread*>(thread)->imageResizerThread();
83}
84
85void* ImageResizerThread::imageResizerThread()
86{
87    // FIXME: Do resizing, create blob, and catch any errors.
88
89    callOnMainThread(returnBlobOrError, static_cast<void*>(m_callbackInfo));
90    detachThread(m_threadID);
91    delete this;
92    return 0;
93}
94
95} // namespace WebCore
96
97#endif // ENABLE(IMAGE_RESIZER)
98