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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* 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_PAGEMANAGER_HXX
#define INCLUDED_CANVAS_PAGEMANAGER_HXX
#include <basegfx/vector/b2isize.hxx>
#include <canvas/rendering/irendermodule.hxx>
#include <canvas/rendering/isurface.hxx>
#include "page.hxx"
namespace canvas
{
//////////////////////////////////////////////////////////////////////////////////
// PageManager
//////////////////////////////////////////////////////////////////////////////////
class PageManager
{
public:
PageManager( const canvas::IRenderModuleSharedPtr pRenderModule ) :
mpRenderModule(pRenderModule)
{
}
// returns the maximum size of a hardware
// accelerated page, e.g. OpenGL texture.
::basegfx::B2ISize getPageSize() const;
canvas::IRenderModuleSharedPtr getRenderModule() const;
FragmentSharedPtr allocateSpace( const ::basegfx::B2ISize& rSize );
void free( const FragmentSharedPtr& pFragment );
void nakedFragment( const FragmentSharedPtr& pFragment );
void validatePages();
private:
// the pagemanager needs access to the rendermodule
// since we query for system resources from it.
canvas::IRenderModuleSharedPtr mpRenderModule;
// here we collect all fragments that will be created
// since we need them for relocation purposes.
typedef std::list<FragmentSharedPtr> FragmentContainer_t;
FragmentContainer_t maFragments;
// this is the container holding all created pages,
// behind the scenes these are real hardware surfaces.
typedef std::list<PageSharedPtr> PageContainer_t;
PageContainer_t maPages;
bool relocate( const FragmentSharedPtr& pFragment );
};
//////////////////////////////////////////////////////////////////////////////////
// PageManagerSharedPtr
//////////////////////////////////////////////////////////////////////////////////
typedef ::boost::shared_ptr< PageManager > PageManagerSharedPtr;
//////////////////////////////////////////////////////////////////////////////////
// End of file
//////////////////////////////////////////////////////////////////////////////////
}
#endif
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