SlsLayeredDevice.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#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 {
 
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
 
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