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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: cachedprimitivebase.hxx,v $
* $Revision: 1.3 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef INCLUDED_CANVAS_CACHEDPRIMITIVEBASE_HXX
#define INCLUDED_CANVAS_CACHEDPRIMITIVEBASE_HXX
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/rendering/XCanvas.hpp>
#include <com/sun/star/rendering/XCachedPrimitive.hpp>
#include <com/sun/star/rendering/ViewState.hpp>
#include <cppuhelper/compbase2.hxx>
#include <comphelper/broadcasthelper.hxx>
/* Definition of CachedPrimitiveBase class */
namespace canvas
{
typedef ::cppu::WeakComponentImplHelper2< ::com::sun::star::rendering::XCachedPrimitive,
::com::sun::star::lang::XServiceInfo > CachedPrimitiveBase_Base;
/** Base class, providing common functionality for implementers of
the XCachedPrimitive interface.
*/
class CachedPrimitiveBase : public CachedPrimitiveBase_Base,
public ::comphelper::OBaseMutex
{
public:
/** Create an XCachedPrimitive for given target canvas
@param rUsedViewState
The viewstate the original object was rendered with
@param rTarget
The target canvas the repaint should happen on.
@param bFailForChangedViewTransform
When true, derived classes will never receive doRedraw()
calls with dissimilar view transformations and
bSameViewTransform set to false. This is useful for cached
objects where re-transforming the generated output is not
desirable, e.g. for hinted font output.
*/
CachedPrimitiveBase( const ::com::sun::star::rendering::ViewState& rUsedViewState,
const ::com::sun::star::uno::Reference<
::com::sun::star::rendering::XCanvas >& rTarget,
bool bFailForChangedViewTransform );
/// Dispose all internal references
virtual void SAL_CALL disposing();
// XCachedPrimitive
virtual ::sal_Int8 SAL_CALL redraw( const ::com::sun::star::rendering::ViewState& aState ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
// XServiceInfo
virtual ::rtl::OUString SAL_CALL getImplementationName( ) throw (::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames( ) throw (::com::sun::star::uno::RuntimeException);
protected:
~CachedPrimitiveBase(); // we're a ref-counted UNO class. _We_ destroy ourselves.
private:
CachedPrimitiveBase( const CachedPrimitiveBase& );
CachedPrimitiveBase& operator=( const CachedPrimitiveBase& );
/** Actually perform the requested redraw.
Clients must override this method, instead of the public
redraw() one.
@param rNewState
The viewstate to redraw with
@param rOldState
The viewstate this cache object was created with.
@param rTargetCanvas
Target canvas to render to.
@param bSameViewTransform
When true, rNewState and rOldState have the same transformation.
*/
virtual ::sal_Int8 doRedraw( const ::com::sun::star::rendering::ViewState& rNewState,
const ::com::sun::star::rendering::ViewState& rOldState,
const ::com::sun::star::uno::Reference<
::com::sun::star::rendering::XCanvas >& rTargetCanvas,
bool bSameViewTransform ) = 0;
::com::sun::star::rendering::ViewState maUsedViewState;
::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCanvas > mxTarget;
const bool mbFailForChangedViewTransform;
};
}
#endif /* INCLUDED_CANVAS_CACHEDPRIMITIVEBASE_HXX */
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