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author | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
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committer | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
commit | f4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch) | |
tree | 2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/extras/ogl-sample/main/gfx/lib/glu/libnurbs/internals/trimline.h | |
parent | a840692edc9c6d19cd7c057f68e39c7d95eb767d (diff) | |
download | nx-libs-nx-X11/3.1.0-1.tar.gz nx-libs-nx-X11/3.1.0-1.tar.bz2 nx-libs-nx-X11/3.1.0-1.zip |
Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:
Imported nx-X11-3.1.0-1.tar.gz
into Git repository
Diffstat (limited to 'nx-X11/extras/ogl-sample/main/gfx/lib/glu/libnurbs/internals/trimline.h')
-rw-r--r-- | nx-X11/extras/ogl-sample/main/gfx/lib/glu/libnurbs/internals/trimline.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/nx-X11/extras/ogl-sample/main/gfx/lib/glu/libnurbs/internals/trimline.h b/nx-X11/extras/ogl-sample/main/gfx/lib/glu/libnurbs/internals/trimline.h new file mode 100644 index 000000000..2031a79b0 --- /dev/null +++ b/nx-X11/extras/ogl-sample/main/gfx/lib/glu/libnurbs/internals/trimline.h @@ -0,0 +1,109 @@ +/* +** 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. +*/ + +/* + * trimline.h + * + * $Date: 2004/03/14 08:29:11 $ $Revision: 1.1.1.4 $ + * $Header: /cvs/xorg/xc/extras/ogl-sample/main/gfx/lib/glu/libnurbs/internals/trimline.h,v 1.1.1.4 2004/03/14 08:29:11 eich Exp $ + */ + +#ifndef __glutrimline_h_ +#define __glutrimline_h_ + +class Arc; +class Backend; + +#include "trimvertex.h" +#include "jarcloc.h" + + +class Trimline { +private: + TrimVertex** pts; + long numverts; + long i; + long size; + Jarcloc jarcl; + TrimVertex t, b; + TrimVertex *tinterp, *binterp; + void reset( void ) { numverts = 0; } + inline void grow( long ); + inline void swap( void ); + inline void append( TrimVertex * ); + static long interpvert( TrimVertex *, TrimVertex *, TrimVertex *, REAL ); + + + +public: + Trimline(); + ~Trimline(); + void init( TrimVertex * ); + void init( long, Arc_ptr, long ); + void getNextPt( void ); + void getPrevPt( void ); + void getNextPts( REAL, Backend & ); + void getPrevPts( REAL, Backend & ); + void getNextPts( Arc_ptr ); + void getPrevPts( Arc_ptr ); + inline TrimVertex * next( void ); + inline TrimVertex * prev( void ); + inline TrimVertex * first( void ); + inline TrimVertex * last( void ); +}; + +inline TrimVertex * +Trimline::next( void ) +{ + if( i < numverts) return pts[i++]; else return 0; +} + +inline TrimVertex * +Trimline::prev( void ) +{ + if( i >= 0 ) return pts[i--]; else return 0; +} + +inline TrimVertex * +Trimline::first( void ) +{ + i = 0; return pts[i]; +} + +inline TrimVertex * +Trimline::last( void ) +{ + i = numverts; return pts[--i]; +} +#endif /* __glutrimline_h_ */ |