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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#pragma once
#include <basegfx/vector/b2isize.hxx>
#include <rendering/irendermodule.hxx>
#include <utility>
#include "page.hxx"
namespace canvas
{
// PageManager
class PageManager
{
public:
explicit PageManager(std::shared_ptr<canvas::IRenderModule> xRenderModule)
: mpRenderModule(std::move(xRenderModule))
{
}
// returns the maximum size of a hardware
// accelerated page, e.g. OpenGL texture.
::basegfx::B2ISize getPageSize() const;
const std::shared_ptr<canvas::IRenderModule>& getRenderModule() const { return mpRenderModule; }
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.
std::shared_ptr<canvas::IRenderModule> mpRenderModule;
// here we collect all fragments that will be created
// since we need them for relocation purposes.
typedef std::vector<FragmentSharedPtr> FragmentContainer_t;
FragmentContainer_t maFragments;
// this is the container holding all created pages,
// behind the scenes these are real hardware surfaces.
std::vector<PageSharedPtr> maPages;
bool relocate( const FragmentSharedPtr& pFragment );
};
// PageManagerSharedPtr
typedef std::shared_ptr< PageManager > PageManagerSharedPtr;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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