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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /canvas/source/tools/pagemanager.hxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.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 'canvas/source/tools/pagemanager.hxx')
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1 files changed, 76 insertions, 0 deletions
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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: */