| /* |
| * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) |
| * Copyright (C) 1991-2000 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. |
| */ |
| |
| /* |
| * monotonizer.h |
| * |
| * $Header: /cvs/bao-parsec/pkgs/libs/mesa/src/src/glu/sgi/libnurbs/internals/monotonizer.h,v 1.1.1.1 2012/03/29 17:22:18 uid42307 Exp $ |
| */ |
| |
| #ifndef __glumonotonizer_h_ |
| #define __glumonotonizer_h_ |
| |
| #include "mysetjmp.h" |
| #include "types.h" |
| |
| class Arc; |
| class ArcTessellator; |
| class Pool; |
| class Bin; |
| class PwlArcPool; |
| class Mapdesc; |
| |
| class Monotonizer { |
| ArcTessellator& arctessellator; |
| Pool& arcpool; |
| Pool& pwlarcpool; |
| jmp_buf& nurbsJmpBuf; |
| |
| enum dir { down, same, up, none }; |
| void tessellate( Arc *, REAL ); |
| void monotonize( Arc *, Bin & ); |
| int isMonotone( Arc * ); |
| public: |
| Monotonizer( ArcTessellator& at, Pool& ap, Pool& p, jmp_buf& j ) |
| : arctessellator(at), arcpool(ap), pwlarcpool(p), nurbsJmpBuf(j) {} |
| int decompose( Bin &, REAL ); |
| }; |
| #endif /* __glumonotonizer_h_ */ |