76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <basegfx/vector/b2isize.hxx>
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#include <rendering/irendermodule.hxx>
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#include <utility>
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#include "page.hxx"
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namespace canvas
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{
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// PageManager
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class PageManager
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{
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public:
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explicit PageManager(std::shared_ptr<canvas::IRenderModule> xRenderModule)
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: mpRenderModule(std::move(xRenderModule))
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{
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}
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// returns the maximum size of a hardware
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// accelerated page, e.g. OpenGL texture.
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::basegfx::B2ISize getPageSize() const;
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const std::shared_ptr<canvas::IRenderModule>& getRenderModule() const { return mpRenderModule; }
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FragmentSharedPtr allocateSpace( const ::basegfx::B2ISize& rSize );
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void free( const FragmentSharedPtr& pFragment );
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void nakedFragment( const FragmentSharedPtr& pFragment );
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void validatePages();
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private:
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// the pagemanager needs access to the rendermodule
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// since we query for system resources from it.
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std::shared_ptr<canvas::IRenderModule> mpRenderModule;
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// here we collect all fragments that will be created
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// since we need them for relocation purposes.
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typedef std::vector<FragmentSharedPtr> FragmentContainer_t;
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FragmentContainer_t maFragments;
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// this is the container holding all created pages,
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// behind the scenes these are real hardware surfaces.
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std::vector<PageSharedPtr> maPages;
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bool relocate( const FragmentSharedPtr& pFragment );
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};
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// PageManagerSharedPtr
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typedef std::shared_ptr< PageManager > PageManagerSharedPtr;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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