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/*
* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
* Copyright (C) 2010 Stephan Aßmus, <superstippi@gmx.de>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 "config.h"
#include "ImageDecoder.h"
#include <Bitmap.h>
namespace WebCore {
NativeImagePtr RGBA32Buffer::asNewNativeImage() const
{
int bytesPerRow = width() * sizeof(PixelData);
OwnPtr<BBitmap> bitmap(new BBitmap(BRect(0, 0, width() - 1, height() - 1), 0, B_RGBA32, bytesPerRow));
const uint8* source = reinterpret_cast<const uint8*>(m_bytes);
uint8* destination = reinterpret_cast<uint8*>(bitmap->Bits());
int h = height();
int w = width();
for (int y = 0; y < h; y++) {
#if 0
// FIXME: Enable this conversion once Haiku has B_RGBA32P[remultiplied]...
memcpy(dst, source, bytesPerRow);
#else
const uint8* sourceHandle = source;
uint8* destinationHandle = destination;
for (int x = 0; x < w; x++) {
if (sourceHandle[3] == 255 || !sourceHandle[3]) {
destinationHandle[0] = sourceHandle[0];
destinationHandle[1] = sourceHandle[1];
destinationHandle[2] = sourceHandle[2];
destinationHandle[3] = sourceHandle[3];
} else {
destinationHandle[0] = static_cast<uint16>(sourceHandle[0]) * 255 / sourceHandle[3];
destinationHandle[1] = static_cast<uint16>(sourceHandle[1]) * 255 / sourceHandle[3];
destinationHandle[2] = static_cast<uint16>(sourceHandle[2]) * 255 / sourceHandle[3];
destinationHandle[3] = sourceHandle[3];
}
destinationHandle += 4;
sourceHandle += 4;
}
#endif
destination += bytesPerRow;
source += bytesPerRow;
}
return bitmap.release();
}
} // namespace WebCore
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