sd/source/ui/slidesorter/view/SlsLayeredDevice.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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   9  * This file incorporates work covered by the following license notice:
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  19
  20 #ifndef INCLUDED_SD_SOURCE_UI_SLIDESORTER_VIEW_SLSLAYEREDDEVICE_HXX
  21 #define INCLUDED_SD_SOURCE_UI_SLIDESORTER_VIEW_SLSLAYEREDDEVICE_HXX
  22
  23 #include <view/SlsILayerPainter.hxx>
  24
  25 #include <vcl/vclptr.hxx>
  26 #include <vcl/mapmod.hxx>
  27
  28 #include <memory>
  29
  30 namespace sd { class Window; }
  31 namespace tools { class Rectangle; }
  32 namespace vcl { class Region; }
  33
  34 class VirtualDevice;
  35
  36 namespace sd { namespace slidesorter { namespace view {
  37
  38 /** A simple wrapper around an OutputDevice that provides support for
  39     independent layers and buffering.
  40     Each layer may contain any number of painters.
  41 */
  42 class LayeredDevice
  43     : public std::enable_shared_from_this<LayeredDevice>
  44
  45 {
  46 public:
  47     explicit LayeredDevice (const VclPtr<sd::Window>& pTargetWindow);
  48     ~LayeredDevice ();
  49
  50     void Invalidate (
  51         const ::tools::Rectangle& rInvalidationBox,
  52         const sal_Int32 nLayer);
  53     void InvalidateAllLayers (
  54         const ::tools::Rectangle& rInvalidationBox);
  55     void InvalidateAllLayers (
  56         const vcl::Region& rInvalidationRegion);
  57
  58     void RegisterPainter (
  59         const SharedILayerPainter& rPainter,
  60         const sal_Int32 nLayer);
  61
  62     void RemovePainter (
  63         const SharedILayerPainter& rPainter,
  64         const sal_Int32 nLayer);
  65
  66     bool HandleMapModeChange();
  67     void Repaint (const vcl::Region& rRepaintRegion);
  68
  69     void Resize();
  70
  71     void Dispose();
  72
  73 private:
  74     VclPtr<sd::Window> mpTargetWindow;
  75     class LayerContainer;
  76     std::unique_ptr<LayerContainer> mpLayers;
  77     ScopedVclPtr<VirtualDevice> mpBackBuffer;
  78     MapMode maSavedMapMode;
  79
  80     void RepaintRectangle (const ::tools::Rectangle& rRepaintRectangle);
  81 };
  82
  83 } } } // end of namespace ::sd::slidesorter::view
  84
  85 #endif
  86
  87 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */