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/*
* Copyright (C) 2017 Metrological Group B.V.
* Copyright (C) 2017 Igalia S.L.
*
* 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* HOLDER 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.
*/
#pragma once
#if USE(CAIRO)
#include "CairoPaintingOperation.h"
#include "RefPtrCairo.h"
#include <memory>
#include <wtf/TZoneMalloc.h>
typedef struct _cairo_surface cairo_surface_t;
namespace WebCore {
class CoordinatedTileBuffer;
class GraphicsContext;
namespace Cairo {
class PaintingContext {
WTF_MAKE_TZONE_ALLOCATED(PaintingContext);
public:
template<typename T>
static void paint(WebCore::CoordinatedTileBuffer& buffer, const T& paintFunctor)
{
auto paintingContext = PaintingContext::createForPainting(buffer);
paintFunctor(paintingContext->graphicsContext());
}
template<typename T>
static void record(PaintingOperations& paintingOperations, const T& recordFunctor)
{
auto recordingContext = PaintingContext::createForRecording(paintingOperations);
recordFunctor(recordingContext->graphicsContext());
}
static void replay(WebCore::CoordinatedTileBuffer& buffer, const PaintingOperations& paintingOperations)
{
auto paintingContext = PaintingContext::createForPainting(buffer);
paintingContext->replay(paintingOperations);
}
~PaintingContext();
WebCore::GraphicsContext& graphicsContext() { return *m_graphicsContext; }
private:
static std::unique_ptr<PaintingContext> createForPainting(WebCore::CoordinatedTileBuffer&);
static std::unique_ptr<PaintingContext> createForRecording(PaintingOperations&);
explicit PaintingContext(WebCore::CoordinatedTileBuffer&);
explicit PaintingContext(PaintingOperations&);
void replay(const PaintingOperations&);
RefPtr<cairo_surface_t> m_surface;
std::unique_ptr<WebCore::GraphicsContext> m_graphicsContext;
#if ASSERT_ENABLED
bool m_deletionComplete { false };
#endif
};
} // namespace Cairo
} // namespace WebCore
#endif // USE(CAIRO)
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