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27#ifndef __com_sun_star_rendering_FillRule_idl__
28#define __com_sun_star_rendering_FillRule_idl__
29
30module com { module sun { module star { module rendering {
31
32/** Determines which algorithm to use when determining inside and
33    outside of filled poly-polygons.
34
35    @since OOo 2.0
36 */
37published enum FillRule
38{
39    /** Fill every area, where, when travelling along a line, the
40        summed winding number (that is, -1 for a
41        counter-clockwise-oriented polygon, and +1 for a
42        clockwise-oriented) is non-zero.<p>
43
44        For example, a poly-polygon consisting of two concentric
45        circles with similar orientation is filled the same way as if
46        only the outer circle would exist. If both have opposite
47        orientation, then the filled representation looks the same as
48        if filled with the EVEN_ODD fill rule.<p>
49     */
50    NON_ZERO,
51
52    //-------------------------------------------------------------------------
53
54    /** Fill every area, where, when travelling along a line, an
55        uneven number of intersections with polygon edges have
56        happened.<p>
57     */
58    EVEN_ODD
59};
60
61}; }; }; };
62
63#endif
64