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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/config.h>
#include <osl/diagnose.h>
#include <vcl/bitmapex.hxx>
#include <vcl/dibtools.hxx>
#include <tools/stream.hxx>
#include "spritedevicehelper.hxx"
using namespace ::com::sun::star;
namespace vclcanvas
{
SpriteDeviceHelper::SpriteDeviceHelper() :
mpBackBuffer()
{
}
void SpriteDeviceHelper::init( const OutDevProviderSharedPtr& pOutDev )
{
DeviceHelper::init(pOutDev);
// setup back buffer
OutputDevice& rOutDev( pOutDev->getOutDev() );
mpBackBuffer.reset( new BackBuffer( rOutDev ));
mpBackBuffer->setSize( rOutDev.GetOutputSizePixel() );
// #i95645#
#if defined( MACOSX )
// use AA on VCLCanvas for Mac
mpBackBuffer->getOutDev().SetAntialiasing( AntialiasingFlags::EnableB2dDraw | mpBackBuffer->getOutDev().GetAntialiasing() );
#else
// switch off AA for WIN32 and UNIX, the VCLCanvas does not look good with it and
// is not required to do AA. It would need to be adapted to use it correctly
// (especially gradient painting). This will need extra work.
mpBackBuffer->getOutDev().SetAntialiasing(mpBackBuffer->getOutDev().GetAntialiasing() & ~AntialiasingFlags::EnableB2dDraw);
#endif
}
bool SpriteDeviceHelper::showBuffer( bool, bool )
{
OSL_FAIL("Not supposed to be called, handled by SpriteCanvas");
return false;
}
bool SpriteDeviceHelper::switchBuffer( bool, bool )
{
OSL_FAIL("Not supposed to be called, handled by SpriteCanvas");
return false;
}
void SpriteDeviceHelper::disposing()
{
// release all references
mpBackBuffer.reset();
DeviceHelper::disposing();
}
uno::Any SpriteDeviceHelper::isAccelerated() const
{
return DeviceHelper::isAccelerated();
}
uno::Any SpriteDeviceHelper::getDeviceHandle() const
{
return DeviceHelper::getDeviceHandle();
}
uno::Any SpriteDeviceHelper::getSurfaceHandle() const
{
if( !mpBackBuffer )
return uno::Any();
return uno::Any(
reinterpret_cast< sal_Int64 >(&mpBackBuffer->getOutDev()) );
}
void SpriteDeviceHelper::notifySizeUpdate( const awt::Rectangle& rBounds )
{
if( mpBackBuffer )
mpBackBuffer->setSize( ::Size(rBounds.Width,
rBounds.Height) );
}
void SpriteDeviceHelper::dumpScreenContent() const
{
DeviceHelper::dumpScreenContent();
static sal_Int32 nFilePostfixCount(0);
if( mpBackBuffer )
{
OUString aFilename = "dbg_backbuffer" + OUString::number(nFilePostfixCount) + ".bmp";
SvFileStream aStream( aFilename, StreamMode::STD_READWRITE );
const ::Point aEmptyPoint;
mpBackBuffer->getOutDev().EnableMapMode( false );
mpBackBuffer->getOutDev().SetAntialiasing( AntialiasingFlags::EnableB2dDraw );
WriteDIB(mpBackBuffer->getOutDev().GetBitmapEx(aEmptyPoint, mpBackBuffer->getOutDev().GetOutputSizePixel()), aStream, false);
}
++nFilePostfixCount;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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