diff options
Diffstat (limited to 'sd/source/ui/slidesorter/view/SlsLayeredDevice.hxx')
-rw-r--r-- | sd/source/ui/slidesorter/view/SlsLayeredDevice.hxx | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/sd/source/ui/slidesorter/view/SlsLayeredDevice.hxx b/sd/source/ui/slidesorter/view/SlsLayeredDevice.hxx new file mode 100644 index 000000000..5ec0d0e9f --- /dev/null +++ b/sd/source/ui/slidesorter/view/SlsLayeredDevice.hxx @@ -0,0 +1,84 @@ +/* -*- 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 <view/SlsILayerPainter.hxx> + +#include <vcl/vclptr.hxx> +#include <vcl/mapmod.hxx> + +#include <memory> + +namespace sd { class Window; } +namespace tools { class Rectangle; } +namespace vcl { class Region; } + +class VirtualDevice; + +namespace sd::slidesorter::view { + +/** A simple wrapper around an OutputDevice that provides support for + independent layers and buffering. + Each layer may contain any number of painters. +*/ +class LayeredDevice + : public std::enable_shared_from_this<LayeredDevice> + +{ +public: + explicit LayeredDevice (const VclPtr<sd::Window>& pTargetWindow); + ~LayeredDevice (); + + void Invalidate ( + const ::tools::Rectangle& rInvalidationBox, + const sal_Int32 nLayer); + void InvalidateAllLayers ( + const ::tools::Rectangle& rInvalidationBox); + void InvalidateAllLayers ( + const vcl::Region& rInvalidationRegion); + + void RegisterPainter ( + const SharedILayerPainter& rPainter, + const sal_Int32 nLayer); + + void RemovePainter ( + const SharedILayerPainter& rPainter, + const sal_Int32 nLayer); + + bool HandleMapModeChange(); + void Repaint (const vcl::Region& rRepaintRegion); + + void Resize(); + + void Dispose(); + +private: + VclPtr<sd::Window> mpTargetWindow; + class LayerContainer; + std::unique_ptr<LayerContainer> mpLayers; + ScopedVclPtr<VirtualDevice> mpBackBuffer; + MapMode maSavedMapMode; + + void RepaintRectangle (const ::tools::Rectangle& rRepaintRectangle); +}; + +} // end of namespace ::sd::slidesorter::view + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |