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/*
* Copyright (C) 2008 Holger Hans Peter Freyther
*
* All rights reserved.
*
* 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 "StillImageQt.h"
#include "GraphicsContext.h"
#include "IntSize.h"
#include <QPainter>
namespace WebCore {
StillImage::StillImage(const QPixmap& pixmap)
: m_pixmap(new QPixmap(pixmap))
, m_ownsPixmap(true)
{}
StillImage::StillImage(const QPixmap* pixmap)
: m_pixmap(pixmap)
, m_ownsPixmap(false)
{}
StillImage::~StillImage()
{
if (m_ownsPixmap)
delete m_pixmap;
}
IntSize StillImage::size() const
{
return IntSize(m_pixmap->width(), m_pixmap->height());
}
NativeImagePtr StillImage::nativeImageForCurrentFrame()
{
return const_cast<NativeImagePtr>(m_pixmap);
}
void StillImage::draw(GraphicsContext* ctxt, const FloatRect& dst,
const FloatRect& src, ColorSpace, CompositeOperator op)
{
if (m_pixmap->isNull())
return;
FloatRect normalizedSrc = src.normalized();
FloatRect normalizedDst = dst.normalized();
QPainter* painter = ctxt->platformContext();
QPainter::CompositionMode oldCompositionMode = painter->compositionMode();
ctxt->setCompositeOperation(op);
FloatSize shadowOffset;
float shadowBlur;
Color shadowColor;
if (ctxt->getShadow(shadowOffset, shadowBlur, shadowColor)) {
FloatRect shadowImageRect(normalizedDst);
shadowImageRect.move(shadowOffset.width(), shadowOffset.height());
QImage shadowImage(QSize(static_cast<int>(normalizedSrc.width()), static_cast<int>(normalizedSrc.height())), QImage::Format_ARGB32_Premultiplied);
QPainter p(&shadowImage);
p.setCompositionMode(QPainter::CompositionMode_Source);
p.fillRect(shadowImage.rect(), shadowColor);
p.setCompositionMode(QPainter::CompositionMode_DestinationIn);
p.drawPixmap(QRect(0, 0, normalizedDst.width(), normalizedDst.height()), *m_pixmap, normalizedSrc);
p.end();
painter->drawImage(shadowImageRect, shadowImage, normalizedSrc);
}
painter->drawPixmap(normalizedDst, *m_pixmap, normalizedSrc);
painter->setCompositionMode(oldCompositionMode);
}
}
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