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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /canvas/source/tools/pagemanager.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | canvas/source/tools/pagemanager.hxx | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/canvas/source/tools/pagemanager.hxx b/canvas/source/tools/pagemanager.hxx new file mode 100644 index 000000000..57de912a1 --- /dev/null +++ b/canvas/source/tools/pagemanager.hxx @@ -0,0 +1,76 @@ +/* -*- 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: */ |