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Diffstat (limited to 'src/libtess2/sweep.h')
| -rwxr-xr-x | src/libtess2/sweep.h | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/src/libtess2/sweep.h b/src/libtess2/sweep.h deleted file mode 100755 index 95bd65a49a..0000000000 --- a/src/libtess2/sweep.h +++ /dev/null @@ -1,74 +0,0 @@ -/* -** SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) -** Copyright (C) [dates of first publication] Silicon Graphics, Inc. -** All Rights Reserved. -** -** Permission is hereby granted, free of charge, to any person obtaining a copy -** of this software and associated documentation files (the "Software"), to deal -** in the Software without restriction, including without limitation the rights -** to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies -** of the Software, and to permit persons to whom the Software is furnished to do so, -** subject to the following conditions: -** -** The above copyright notice including the dates of first publication and either this -** permission notice or a reference to http://oss.sgi.com/projects/FreeB/ shall be -** included in all copies or substantial portions of the Software. -** -** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, -** INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A -** PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL SILICON GRAPHICS, INC. -** BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, -** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE -** OR OTHER DEALINGS IN THE SOFTWARE. -** -** Except as contained in this notice, the name of Silicon Graphics, Inc. shall not -** be used in advertising or otherwise to promote the sale, use or other dealings in -** this Software without prior written authorization from Silicon Graphics, Inc. -*/ -/* -** Author: Eric Veach, July 1994. -*/ - -#ifndef SWEEP_H -#define SWEEP_H - -#include "mesh.h" - -/* tessComputeInterior( tess ) computes the planar arrangement specified -* by the given contours, and further subdivides this arrangement -* into regions. Each region is marked "inside" if it belongs -* to the polygon, according to the rule given by tess->windingRule. -* Each interior region is guaranteed be monotone. -*/ -int tessComputeInterior( TESStesselator *tess ); - - -/* The following is here *only* for access by debugging routines */ - -#include "dict.h" - -/* For each pair of adjacent edges crossing the sweep line, there is -* an ActiveRegion to represent the region between them. The active -* regions are kept in sorted order in a dynamic dictionary. As the -* sweep line crosses each vertex, we update the affected regions. -*/ - -struct ActiveRegion { - TESShalfEdge *eUp; /* upper edge, directed right to left */ - DictNode *nodeUp; /* dictionary node corresponding to eUp */ - int windingNumber; /* used to determine which regions are - * inside the polygon */ - int inside; /* is this region inside the polygon? */ - int sentinel; /* marks fake edges at t = +/-infinity */ - int dirty; /* marks regions where the upper or lower - * edge has changed, but we haven't checked - * whether they intersect yet */ - int fixUpperEdge; /* marks temporary edges introduced when - * we process a "right vertex" (one without - * any edges leaving to the right) */ -}; - -#define RegionBelow(r) ((ActiveRegion *) dictKey(dictPred((r)->nodeUp))) -#define RegionAbove(r) ((ActiveRegion *) dictKey(dictSucc((r)->nodeUp))) - -#endif |