/* ** License Applicability. Except to the extent portions of this file are ** made subject to an alternative license as permitted in the SGI Free ** Software License B, Version 1.1 (the "License"), the contents of this ** file are subject only to the provisions of the License. You may not use ** this file except in compliance with the License. You may obtain a copy ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: ** ** http://oss.sgi.com/projects/FreeB ** ** Note that, as provided in the License, the Software is distributed on an ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. ** ** Original Code. The Original Code is: OpenGL Sample Implementation, ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. ** Copyright in any portions created by third parties is as indicated ** elsewhere herein. All Rights Reserved. ** ** Additional Notice Provisions: The application programming interfaces ** established by SGI in conjunction with the Original Code are The ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X ** Window System(R) (Version 1.3), released October 19, 1998. This software ** was created using the OpenGL(R) version 1.2.1 Sample Implementation ** published by SGI, but has not been independently verified as being ** compliant with the OpenGL(R) version 1.2.1 Specification. */ /* * slicer.h * * $Date: 2001/03/17 00:25:41 $ $Revision: 1.1 $ * $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/slicer.h,v 1.1 2001/03/17 00:25:41 brianp Exp $ */ #ifndef __gluslicer_h_ #define __gluslicer_h_ #include "trimregion.h" #include "mesher.h" #include "coveandtiler.h" #include "primitiveStream.h" #include "rectBlock.h" class Backend; class Arc; class TrimVertex; class Slicer : public CoveAndTiler, public Mesher { public: Slicer( GLContextIFace *, Backend & ); ~Slicer( void ); void slice( Arc_ptr ); void slice_old( Arc_ptr); void slice_new( Arc_ptr ); void evalStream(primStream* ); void evalRBArray(rectBlockArray* rbArray, gridWrap* grid); void outline( Arc_ptr ); void setstriptessellation( REAL, REAL ); void setisolines( int ); void set_ulinear(int ulinear_flag) { ulinear = ulinear_flag; } void set_vlinear(int vlinear_flag) { vlinear = vlinear_flag; } private: Backend& backend; REAL oneOverDu; REAL du, dv; int isolines; void outline( void ); void initGridlines( void ); void advanceGridlines( long ); int ulinear; //indicate whether uorder is 2 or not int vlinear; //indicate whether vorder is 2 or not GLContextIFace *m_Self; }; #endif /* __gluslicer_h_ */