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

   1 /*************************************************************************
   2  *
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * Copyright 2000, 2010 Oracle and/or its affiliates.
   6  *
   7  * OpenOffice.org - a multi-platform office productivity suite
   8  *
   9  * This file is part of OpenOffice.org.
  10  *
  11  * OpenOffice.org is free software: you can redistribute it and/or modify
  12  * it under the terms of the GNU Lesser General Public License version 3
  13  * only, as published by the Free Software Foundation.
  14  *
  15  * OpenOffice.org is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU Lesser General Public License version 3 for more details
  19  * (a copy is included in the LICENSE file that accompanied this code).
  20  *
  21  * You should have received a copy of the GNU Lesser General Public License
  22  * version 3 along with OpenOffice.org.  If not, see
  23  * <http://www.openoffice.org/license.html>
  24  * for a copy of the LGPLv3 License.
  25  *
  26  ************************************************************************/
  27 #ifndef __com_sun_star_rendering_FillRule_idl__
  28 #define __com_sun_star_rendering_FillRule_idl__
  29
  30 module 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 2.0.0
  36  */
  37 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