loongoffice/offapi/com/sun/star/rendering/FillRule.idl

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#ifndef __com_sun_star_rendering_FillRule_idl__
#define __com_sun_star_rendering_FillRule_idl__

module com { module sun { module star { module rendering {

/** Determines which algorithm to use when determining inside and
    outside of filled poly-polygons.

    @since OOo 2.0
 */
published enum FillRule
{
    /** Fill every area, where, when traveling along a line, the
        summed winding number (that is, -1 for a
        counter-clockwise-oriented polygon, and +1 for a
        clockwise-oriented) is non-zero.<p>

        For example, a poly-polygon consisting of two concentric
        circles with similar orientation is filled the same way as if
        only the outer circle would exist. If both have opposite
        orientation, then the filled representation looks the same as
        if filled with the EVEN_ODD fill rule.<p>
     */
    NON_ZERO,

    //-------------------------------------------------------------------------

    /** Fill every area, where, when traveling along a line, an
        uneven number of intersections with polygon edges have
        happened.<p>
     */
    EVEN_ODD
};

}; }; }; };

#endif