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/*
* Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2007 Holger Hans Peter Freyther <zecke@selfish.org>
*
* 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 "ImageBuffer.h"
#include "BitmapImage.h"
#include "GraphicsContext.h"
#include "ImageData.h"
#include "NotImplemented.h"
#include <cairo.h>
using namespace std;
namespace WebCore {
auto_ptr<ImageBuffer> ImageBuffer::create(const IntSize& size, bool)
{
cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
size.width(), size.height());
if (cairo_surface_status(surface) != CAIRO_STATUS_SUCCESS)
return auto_ptr<ImageBuffer>();
return auto_ptr<ImageBuffer>(new ImageBuffer(surface));
}
ImageBuffer::ImageBuffer(_cairo_surface* surface)
: m_surface(surface)
{
cairo_t* cr = cairo_create(m_surface);
m_context.set(new GraphicsContext(cr));
/*
* The context is now owned by the GraphicsContext
*/
cairo_destroy(cr);
}
ImageBuffer::~ImageBuffer()
{
cairo_surface_destroy(m_surface);
}
GraphicsContext* ImageBuffer::context() const
{
return m_context.get();
}
cairo_surface_t* ImageBuffer::surface() const
{
return m_surface;
}
Image* ImageBuffer::image() const
{
if (!m_image) {
// It's assumed that if image() is called, the actual rendering to the
// GraphicsContext must be done.
ASSERT(context());
// BitmapImage will release the passed in surface on destruction
m_image.set(new BitmapImage(cairo_surface_reference(m_surface)));
}
return m_image.get();
}
PassRefPtr<ImageData> ImageBuffer::getImageData(const IntRect&) const
{
notImplemented();
return 0;
}
void ImageBuffer::putImageData(ImageData*, const IntRect&, const IntPoint&)
{
notImplemented();
}
String ImageBuffer::toDataURL(const String&) const
{
notImplemented();
return String();
}
} // namespace WebCore
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