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#ifndef SD_SLIDESORTER_VIEW_LAYER_PAINTER_HXX
#define SD_SLIDESORTER_VIEW_LAYER_PAINTER_HXX

#include <boost/shared_ptr.hpp>
#include <sal/types.h>

class OutputDevice;
class Rectangle;

namespace sd { namespace slidesorter { namespace view {

class ILayerInvalidator
{
public:
    virtual void Invalidate (const Rectangle& rInvalidationBox) = 0;
};
typedef ::boost::shared_ptr<ILayerInvalidator> SharedILayerInvalidator;

class ILayerPainter
{
public:
    virtual void SetLayerInvalidator (
        const SharedILayerInvalidator& rpInvalidator) = 0;
    virtual void Paint (
        OutputDevice& rDevice,
        const Rectangle& rRepaintArea) = 0;
};
typedef ::boost::shared_ptr<ILayerPainter> SharedILayerPainter;


} } } // end of namespace ::sd::slidesorter::view

#endif