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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 "ShadowBlur.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;
}
bool StillImage::currentFrameKnownToBeOpaque()
{
return !m_pixmap->hasAlpha();
}
IntSize StillImage::size() const
{
return IntSize(m_pixmap->width(), m_pixmap->height());
}
PassNativeImagePtr StillImage::nativeImageForCurrentFrame()
{
return const_cast<PassNativeImagePtr>(m_pixmap);
}
void StillImage::draw(GraphicsContext* ctxt, const FloatRect& dst,
const FloatRect& src, ColorSpace, CompositeOperator op, BlendMode blendMode)
{
if (m_pixmap->isNull())
return;
FloatRect normalizedSrc = src.normalized();
FloatRect normalizedDst = dst.normalized();
CompositeOperator previousOperator = ctxt->compositeOperation();
BlendMode previousBlendMode = ctxt->blendModeOperation();
ctxt->setCompositeOperation(op, blendMode);
if (ctxt->hasShadow()) {
ShadowBlur shadow(ctxt->state());
GraphicsContext* shadowContext = shadow.beginShadowLayer(ctxt, normalizedDst);
if (shadowContext) {
QPainter* shadowPainter = shadowContext->platformContext();
shadowPainter->drawPixmap(normalizedDst, *m_pixmap, normalizedSrc);
shadow.endShadowLayer(ctxt);
}
}
ctxt->platformContext()->drawPixmap(normalizedDst, *m_pixmap, normalizedSrc);
ctxt->setCompositeOperation(previousOperator, previousBlendMode);
}
}
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