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/*
Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
Copyright (C) 2012 Company 100, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "WebCoordinatedSurface.h"
#if USE(COORDINATED_GRAPHICS)
#include "CoordinatedGraphicsArgumentCoders.h"
#include "GraphicsContext.h"
#include "WebCoreArgumentCoders.h"
#include <WebCore/GraphicsSurfaceToken.h>
#if USE(TEXTURE_MAPPER)
#include "BitmapTextureGL.h"
#include "TextureMapperGL.h"
#endif
using namespace WebCore;
namespace WebKit {
WebCoordinatedSurface::Handle::Handle()
{
}
void WebCoordinatedSurface::Handle::encode(IPC::Encoder& encoder) const
{
encoder << m_size << m_flags;
encoder << m_bitmapHandle;
}
bool WebCoordinatedSurface::Handle::decode(IPC::Decoder& decoder, Handle& handle)
{
if (!decoder.decode(handle.m_size))
return false;
if (!decoder.decode(handle.m_flags))
return false;
if (!decoder.decode(handle.m_bitmapHandle))
return false;
return true;
}
RefPtr<WebCoordinatedSurface> WebCoordinatedSurface::create(const IntSize& size, CoordinatedSurface::Flags flags)
{
if (auto bitmap = ShareableBitmap::createShareable(size, (flags & SupportsAlpha) ? ShareableBitmap::SupportsAlpha : ShareableBitmap::NoFlags))
return create(size, flags, WTFMove(bitmap));
return nullptr;
}
std::unique_ptr<GraphicsContext> WebCoordinatedSurface::createGraphicsContext(const IntRect& rect)
{
ASSERT(m_bitmap);
auto graphicsContext = m_bitmap->createGraphicsContext();
graphicsContext->clip(rect);
graphicsContext->translate(rect.x(), rect.y());
return graphicsContext;
}
Ref<WebCoordinatedSurface> WebCoordinatedSurface::create(const IntSize& size, CoordinatedSurface::Flags flags, RefPtr<ShareableBitmap> bitmap)
{
return adoptRef(*new WebCoordinatedSurface(size, flags, bitmap));
}
WebCoordinatedSurface::WebCoordinatedSurface(const IntSize& size, CoordinatedSurface::Flags flags, RefPtr<ShareableBitmap> bitmap)
: CoordinatedSurface(size, flags)
, m_bitmap(bitmap)
{
}
WebCoordinatedSurface::~WebCoordinatedSurface()
{
}
RefPtr<WebCoordinatedSurface> WebCoordinatedSurface::create(const Handle& handle)
{
RefPtr<ShareableBitmap> bitmap = ShareableBitmap::create(handle.m_bitmapHandle);
if (!bitmap)
return nullptr;
return create(handle.m_size, handle.m_flags, WTFMove(bitmap));
}
bool WebCoordinatedSurface::createHandle(Handle& handle)
{
handle.m_size = m_size;
handle.m_flags = m_flags;
if (!m_bitmap->createHandle(handle.m_bitmapHandle))
return false;
return true;
}
void WebCoordinatedSurface::paintToSurface(const IntRect& rect, CoordinatedSurface::Client& client)
{
auto context = createGraphicsContext(rect);
client.paintToSurfaceContext(*context);
}
#if USE(TEXTURE_MAPPER)
void WebCoordinatedSurface::copyToTexture(RefPtr<WebCore::BitmapTexture> passTexture, const IntRect& target, const IntPoint& sourceOffset)
{
RefPtr<BitmapTexture> texture(passTexture);
ASSERT(m_bitmap);
RefPtr<Image> image = m_bitmap->createImage();
texture->updateContents(image.get(), target, sourceOffset, BitmapTexture::UpdateCanModifyOriginalImageData);
}
#endif // USE(TEXTURE_MAPPER)
} // namespace WebKit
#endif // USE(COORDINATED_GRAPHICS)
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