| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the 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 |