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117 lines
3.4 KiB
C++
117 lines
3.4 KiB
C++
/*
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** License Applicability. Except to the extent portions of this file are
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** made subject to an alternative license as permitted in the SGI Free
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** Software License B, Version 1.1 (the "License"), the contents of this
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** file are subject only to the provisions of the License. You may not use
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** this file except in compliance with the License. You may obtain a copy
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** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
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** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
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**
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** http://oss.sgi.com/projects/FreeB
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**
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** Note that, as provided in the License, the Software is distributed on an
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** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
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** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
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** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
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** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
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**
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** Original Code. The Original Code is: OpenGL Sample Implementation,
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** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
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** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
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** Copyright in any portions created by third parties is as indicated
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** elsewhere herein. All Rights Reserved.
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**
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** Additional Notice Provisions: The application programming interfaces
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** established by SGI in conjunction with the Original Code are The
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** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
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** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
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** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
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** Window System(R) (Version 1.3), released October 19, 1998. This software
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** was created using the OpenGL(R) version 1.2.1 Sample Implementation
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** published by SGI, but has not been independently verified as being
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** compliant with the OpenGL(R) version 1.2.1 Specification.
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*/
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/*
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* maplist.c++
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*
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* $Date$ $Revision: 1.1 $
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* $Header: /cygdrive/c/RCVS/CVS/ReactOS/reactos/lib/glu32/libnurbs/internals/maplist.cc,v 1.1 2004/02/02 16:39:11 navaraf Exp $
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*/
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#include "glimports.h"
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#include "mystdio.h"
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#include "myassert.h"
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#include "mymath.h"
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#include "nurbsconsts.h"
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#include "maplist.h"
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#include "mapdesc.h"
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#include "backend.h"
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Maplist::Maplist( Backend& b )
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: mapdescPool( sizeof( Mapdesc ), 10, "mapdesc pool" ),
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backend( b )
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{
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maps = 0; lastmap = &maps;
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}
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void
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Maplist::initialize( void )
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{
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freeMaps();
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define( N_P2D, 0, 2 );
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define( N_P2DR, 1, 3 );
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}
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void
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Maplist::add( long type, int israt, int ncoords )
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{
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*lastmap = new(mapdescPool) Mapdesc( type, israt, ncoords, backend );
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lastmap = &((*lastmap)->next);
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}
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void
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Maplist::define( long type, int israt, int ncoords )
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{
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Mapdesc *m = locate( type );
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assert( m == NULL || ( m->isrational == israt && m->ncoords == ncoords ) );
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add( type, israt, ncoords );
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}
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void
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Maplist::remove( Mapdesc *m )
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{
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for( Mapdesc **curmap = &maps; *curmap; curmap = &((*curmap)->next) ) {
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if( *curmap == m ) {
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*curmap = m->next;
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m->deleteMe( mapdescPool );
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return;
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}
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}
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abort();
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}
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void
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Maplist::freeMaps( void )
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{
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mapdescPool.clear();
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maps = 0;
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lastmap = &maps;
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}
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Mapdesc *
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Maplist::find( long type )
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{
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Mapdesc *val = locate( type );
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assert( val != 0 );
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return val;
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}
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Mapdesc *
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Maplist::locate( long type )
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{
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Mapdesc *m;
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for( m = maps; m; m = m->next )
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if( m->getType() == type ) break;
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return m;
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}
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