AOO410/main/canvas/inc/canvas/rendering/icachedprimitive.hxx

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#ifndef INCLUDED_CANVAS_ICACHEDPRIMITIVE_HXX
#define INCLUDED_CANVAS_ICACHEDPRIMITIVE_HXX

#include <sal/types.h>

#include <boost/shared_ptr.hpp>


namespace basegfx
{
    class B2IRange;
    class B2IPoint;
}

namespace canvas
{
    /** Objects with this interface are returned from every Bitmap
        render operation.

        These objects can be used to implement the
        rendering::XCachedPrimitive interface, which in turn caches
        render state and objects to facilitate quick redraws.
     */
	struct ICachedPrimitive
	{
        virtual ~ICachedPrimitive() {}

        /** Redraw the primitive with the given view state

            Note that the primitive will <em>always</em> be redrawn on
            the bitmap it was created from.
         */
        virtual sal_Int8 redraw( const ::com::sun::star::rendering::ViewState& aState ) const = 0;
	};

    typedef ::boost::shared_ptr< ICachedPrimitive > ICachedPrimitiveSharedPtr;
}

#endif /* INCLUDED_CANVAS_ICACHEDPRIMITIVE_HXX */