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Diffstat (limited to 'canvas/source/tools/pagemanager.hxx')
-rw-r--r-- | canvas/source/tools/pagemanager.hxx | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/canvas/source/tools/pagemanager.hxx b/canvas/source/tools/pagemanager.hxx new file mode 100644 index 000000000000..bf20b1d61e43 --- /dev/null +++ b/canvas/source/tools/pagemanager.hxx @@ -0,0 +1,94 @@ +/************************************************************************* + * + * 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 |