1*b1cdbd2cSJim Jagielski/**************************************************************
2*b1cdbd2cSJim Jagielski *
3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski * or more contributor license agreements.  See the NOTICE file
5*b1cdbd2cSJim Jagielski * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski * regarding copyright ownership.  The ASF licenses this file
7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski * with the License.  You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski *
11*b1cdbd2cSJim Jagielski *   http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski *
13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski * KIND, either express or implied.  See the License for the
17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski * under the License.
19*b1cdbd2cSJim Jagielski *
20*b1cdbd2cSJim Jagielski *************************************************************/
21*b1cdbd2cSJim Jagielski
22*b1cdbd2cSJim Jagielski
23*b1cdbd2cSJim Jagielski#ifndef __com_sun_star_rendering_FillRule_idl__
24*b1cdbd2cSJim Jagielski#define __com_sun_star_rendering_FillRule_idl__
25*b1cdbd2cSJim Jagielski
26*b1cdbd2cSJim Jagielskimodule com { module sun { module star { module rendering {
27*b1cdbd2cSJim Jagielski
28*b1cdbd2cSJim Jagielski/** Determines which algorithm to use when determining inside and
29*b1cdbd2cSJim Jagielski    outside of filled poly-polygons.
30*b1cdbd2cSJim Jagielski
31*b1cdbd2cSJim Jagielski    @since OpenOffice 2.0
32*b1cdbd2cSJim Jagielski */
33*b1cdbd2cSJim Jagielskipublished enum FillRule
34*b1cdbd2cSJim Jagielski{
35*b1cdbd2cSJim Jagielski    /** Fill every area, where, when travelling along a line, the
36*b1cdbd2cSJim Jagielski        summed winding number (that is, -1 for a
37*b1cdbd2cSJim Jagielski        counter-clockwise-oriented polygon, and +1 for a
38*b1cdbd2cSJim Jagielski        clockwise-oriented) is non-zero.<p>
39*b1cdbd2cSJim Jagielski
40*b1cdbd2cSJim Jagielski        For example, a poly-polygon consisting of two concentric
41*b1cdbd2cSJim Jagielski        circles with similar orientation is filled the same way as if
42*b1cdbd2cSJim Jagielski        only the outer circle would exist. If both have opposite
43*b1cdbd2cSJim Jagielski        orientation, then the filled representation looks the same as
44*b1cdbd2cSJim Jagielski        if filled with the EVEN_ODD fill rule.<p>
45*b1cdbd2cSJim Jagielski     */
46*b1cdbd2cSJim Jagielski    NON_ZERO,
47*b1cdbd2cSJim Jagielski
48*b1cdbd2cSJim Jagielski    //-------------------------------------------------------------------------
49*b1cdbd2cSJim Jagielski
50*b1cdbd2cSJim Jagielski    /** Fill every area, where, when travelling along a line, an
51*b1cdbd2cSJim Jagielski        uneven number of intersections with polygon edges have
52*b1cdbd2cSJim Jagielski        happened.<p>
53*b1cdbd2cSJim Jagielski     */
54*b1cdbd2cSJim Jagielski    EVEN_ODD
55*b1cdbd2cSJim Jagielski};
56*b1cdbd2cSJim Jagielski
57*b1cdbd2cSJim Jagielski}; }; }; };
58*b1cdbd2cSJim Jagielski
59*b1cdbd2cSJim Jagielski#endif
60