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Diffstat (limited to 'canvas/source/tools/surfaceproxymanager.cxx')
-rw-r--r-- | canvas/source/tools/surfaceproxymanager.cxx | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/canvas/source/tools/surfaceproxymanager.cxx b/canvas/source/tools/surfaceproxymanager.cxx new file mode 100644 index 000000000..b60c5ecb4 --- /dev/null +++ b/canvas/source/tools/surfaceproxymanager.cxx @@ -0,0 +1,73 @@ +/* -*- 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 . + */ + +#include <sal/config.h> + +#include <rendering/isurfaceproxy.hxx> +#include <rendering/isurfaceproxymanager.hxx> + +#include "surfaceproxy.hxx" + +namespace canvas +{ + namespace { + + class SurfaceProxyManager : public ISurfaceProxyManager + { + public: + + explicit SurfaceProxyManager( const std::shared_ptr<IRenderModule>& rRenderModule ) : + mpPageManager( std::make_shared<PageManager>(rRenderModule) ) + { + } + + /** the whole idea is build around the concept that you create + some arbitrary buffer which contains the image data and + tell the texture manager about it. from there on you can + draw this image using any kind of graphics api you want. + in the technical sense we allocate some space in local + videomemory or AGP memory which will be filled on demand, + which means if there exists any rendering operation that + needs to read from this memory location. this method + creates a logical hardware surface object which uses the + given color buffer as the image source. internally this + texture may be distributed to several real hardware + surfaces. + */ + virtual std::shared_ptr<ISurfaceProxy> createSurfaceProxy( const std::shared_ptr<IColorBuffer>& pBuffer ) const override + { + // not much to do for now, simply allocate a new surface + // proxy from our internal pool and initialize this thing + // properly. we *don't* create a hardware surface for now. + return std::make_shared<SurfaceProxy>(pBuffer,mpPageManager); + } + + private: + PageManagerSharedPtr mpPageManager; + }; + + } + + std::shared_ptr<ISurfaceProxyManager> createSurfaceProxyManager( const std::shared_ptr<IRenderModule>& rRenderModule ) + { + return std::make_shared<SurfaceProxyManager>(rRenderModule); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |