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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef INCLUDED_CANVAS_PAGEMANAGER_HXX
      21             : #define INCLUDED_CANVAS_PAGEMANAGER_HXX
      22             : 
      23             : #include <basegfx/vector/b2isize.hxx>
      24             : #include <canvas/rendering/irendermodule.hxx>
      25             : #include <canvas/rendering/isurface.hxx>
      26             : 
      27             : #include "page.hxx"
      28             : 
      29             : namespace canvas
      30             : {
      31             : 
      32             :     //////////////////////////////////////////////////////////////////////////////////
      33             :     // PageManager
      34             :     //////////////////////////////////////////////////////////////////////////////////
      35             : 
      36           0 :     class PageManager
      37             :     {
      38             :     public:
      39           0 :         PageManager( const canvas::IRenderModuleSharedPtr pRenderModule ) :
      40           0 :             mpRenderModule(pRenderModule)
      41             :         {
      42           0 :         }
      43             : 
      44             :         // returns the maximum size of a hardware
      45             :         // accelerated page, e.g. OpenGL texture.
      46             :         ::basegfx::B2ISize getPageSize() const;
      47             : 
      48             :         canvas::IRenderModuleSharedPtr getRenderModule() const;
      49             : 
      50             :         FragmentSharedPtr allocateSpace( const ::basegfx::B2ISize& rSize );
      51             :         void              free( const FragmentSharedPtr& pFragment );
      52             : 
      53             :         void              nakedFragment( const FragmentSharedPtr& pFragment );
      54             : 
      55             :         void              validatePages();
      56             : 
      57             :     private:
      58             :         // the pagemanager needs access to the rendermodule
      59             :         // since we query for system resources from it.
      60             :         canvas::IRenderModuleSharedPtr mpRenderModule;
      61             : 
      62             :         // here we collect all fragments that will be created
      63             :         // since we need them for relocation purposes.
      64             :         typedef std::list<FragmentSharedPtr> FragmentContainer_t;
      65             :         FragmentContainer_t maFragments;
      66             : 
      67             :         // this is the container holding all created pages,
      68             :         // behind the scenes these are real hardware surfaces.
      69             :         typedef std::list<PageSharedPtr> PageContainer_t;
      70             :         PageContainer_t maPages;
      71             : 
      72             :         bool relocate( const FragmentSharedPtr& pFragment );
      73             :     };
      74             : 
      75             :     //////////////////////////////////////////////////////////////////////////////////
      76             :     // PageManagerSharedPtr
      77             :     //////////////////////////////////////////////////////////////////////////////////
      78             : 
      79             :     typedef ::boost::shared_ptr< PageManager > PageManagerSharedPtr;
      80             : }
      81             : 
      82             : #endif
      83             : 
      84             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */