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48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
/**************************************************************************
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* *
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* Copyright (C) 1999, Silicon Graphics, Inc. *
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* *
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* These coded instructions, statements, and computer programs contain *
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* unpublished proprietary information of Silicon Graphics, Inc., and *
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* are protected by Federal copyright law. They may not be disclosed *
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* to third parties or copied or duplicated in any form, in whole or *
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* in part, without the prior written consent of Silicon Graphics, Inc. *
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* *
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**************************************************************************/
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/*
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* monotonizer.h
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*
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* $Header: /cygdrive/c/RCVS/CVS/ReactOS/reactos/lib/glu32/libnurbs/internals/monotonizer.h,v 1.1 2004/02/02 16:39:12 navaraf Exp $
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*/
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#ifndef __glumonotonizer_h_
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#define __glumonotonizer_h_
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#include "mysetjmp.h"
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#include "types.h"
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class Arc;
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class ArcTessellator;
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class Pool;
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class Bin;
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class PwlArcPool;
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class Mapdesc;
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class Monotonizer {
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ArcTessellator& arctessellator;
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Pool& arcpool;
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Pool& pwlarcpool;
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jmp_buf& nurbsJmpBuf;
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enum dir { down, same, up, none };
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void tessellate( Arc *, REAL );
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void monotonize( Arc *, Bin & );
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int isMonotone( Arc * );
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public:
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Monotonizer( ArcTessellator& at, Pool& ap, Pool& p, jmp_buf& j )
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: arctessellator(at), arcpool(ap), pwlarcpool(p), nurbsJmpBuf(j) {}
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int decompose( Bin &, REAL );
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};
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#endif /* __glumonotonizer_h_ */
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