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INTEGRATION: CWS presfixes02 (1.1.2); FILE ADDED

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2005/03/15 00:34:10 thb 1.1.2.1: #i44100# Added bitmap caching, as a natural consequence when using GraphicObject
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Rüdiger Timm
2005-03-30 06:35:00 +00:00
parent b368cc61c2
commit 76f0af20d7
1 changed files with 171 additions and 0 deletions
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canvas/source/vcl/cachedbitmap.cxx Normal file
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/*************************************************************************
*
* $RCSfile: cachedbitmap.cxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: rt $ $Date: 2005-03-30 07:35:00 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#include <canvas/debug.hxx>
#include "cachedbitmap.hxx"
#include "repainttarget.hxx"
#ifndef _COM_SUN_STAR_RENDERING_REPAINTRESULT_HPP_
#include <com/sun/star/rendering/RepaintResult.hpp>
#endif
#ifndef _COM_SUN_STAR_RENDERING_XPOLYPOLYGON2D_HPP_
#include <com/sun/star/rendering/XPolyPolygon2D.hpp>
#endif
#ifndef _BGFX_MATRIX_B2DHOMMATRIX_HXX
#include <basegfx/matrix/b2dhommatrix.hxx>
#endif
#ifndef _BGFX_TOOLS_CANVASTOOLS_HXX
#include <basegfx/tools/canvastools.hxx>
#endif
using namespace ::com::sun::star;
#define IMPLEMENTATION_NAME "VCLCanvas::CachedBitmap"
#define SERVICE_NAME "com.sun.star.rendering.CachedBitmap"
namespace vclcanvas
{
CachedBitmap::CachedBitmap( const GraphicObjectSharedPtr& rGraphicObject,
const ::Point& rPoint,
const ::Size& rSize,
const GraphicAttr& rAttr,
const rendering::ViewState& rUsedViewState,
const uno::Reference< rendering::XCanvas >& rTarget ) :
CachedBitmap_Base( m_aMutex ),
mpGraphicObject( rGraphicObject ),
maPoint( rPoint ),
maSize( rSize ),
maAttributes( rAttr ),
maUsedViewState( rUsedViewState ),
mxTarget( rTarget )
{
}
CachedBitmap::~CachedBitmap()
{
}
void SAL_CALL CachedBitmap::disposing()
{
::osl::MutexGuard aGuard( m_aMutex );
maUsedViewState.Clip.clear();
mpGraphicObject.reset();
mxTarget.clear();
}
sal_Int8 SAL_CALL CachedBitmap::redraw( const rendering::ViewState& aState ) throw (lang::IllegalArgumentException, uno::RuntimeException)
{
::basegfx::B2DHomMatrix aUsedTransformation;
::basegfx::B2DHomMatrix aNewTransformation;
::basegfx::unotools::homMatrixFromAffineMatrix( aUsedTransformation,
maUsedViewState.AffineTransform );
::basegfx::unotools::homMatrixFromAffineMatrix( aNewTransformation,
aState.AffineTransform );
if( aUsedTransformation != aNewTransformation )
{
// differing transformations, don't try to draft the
// output, just plain fail here.
return rendering::RepaintResult::FAILED;
}
RepaintTarget* pTarget = dynamic_cast< RepaintTarget* >(mxTarget.get());
ENSURE_AND_THROW( pTarget,
"CachedBitmap::redraw(): cannot cast target to RepaintTarget" );
if( !pTarget->repaint( mpGraphicObject,
maPoint,
maSize,
maAttributes ) )
{
// target failed to repaint
return rendering::RepaintResult::FAILED;
}
return rendering::RepaintResult::REDRAWN;
}
::rtl::OUString SAL_CALL CachedBitmap::getImplementationName( ) throw (uno::RuntimeException)
{
return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) );
}
sal_Bool SAL_CALL CachedBitmap::supportsService( const ::rtl::OUString& ServiceName ) throw (uno::RuntimeException)
{
return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ) );
}
uno::Sequence< ::rtl::OUString > SAL_CALL CachedBitmap::getSupportedServiceNames( ) throw (uno::RuntimeException)
{
uno::Sequence< ::rtl::OUString > aRet(1);
aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) );
return aRet;
}
}