Remove libGLU

[mesa.git] / src / glu / sgi / libnurbs / internals / hull.cc

diff --git a/src/glu/sgi/libnurbs/internals/hull.cc b/src/glu/sgi/libnurbs/internals/hull.cc
deleted file mode 100644 (file)
index 389ba66..0000000
--- a/src/glu/sgi/libnurbs/internals/hull.cc
+++ /dev/null
@@ -1,165 +0,0 @@
-/*
-** 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.
-*/
-
-/*
- * hull.c++
- *
- */
-
-#include "glimports.h"
-#include "myassert.h"
-#include "mystdio.h"
-#include "hull.h"
-#include "gridvertex.h"
-#include "gridtrimvertex.h"
-#include "gridline.h"
-#include "trimline.h"
-#include "uarray.h"
-#include "trimregion.h"
-
-Hull::Hull( void )
-{}
-
-Hull::~Hull( void )
-{}
-
-/*----------------------------------------------------------------------
- * Hull:init - this routine does the initialization needed before any
- *             calls to nextupper or nextlower can be made.
- *----------------------------------------------------------------------
- */
-void
-Hull::init( void )
-{
-    TrimVertex *lfirst = left.first();
-    TrimVertex *llast = left.last();
-    if( lfirst->param[0] <= llast->param[0] ) {
-       fakeleft.init( left.first() );
-       upper.left = &fakeleft;
-       lower.left = &left;
-    } else {
-       fakeleft.init( left.last() );
-       lower.left = &fakeleft;
-       upper.left = &left;
-    }
-    upper.left->last();
-    lower.left->first();
-
-    if( top.ustart <= top.uend ) {
-       upper.line = &top;
-       upper.index = top.ustart;
-    } else
-       upper.line = 0;
-
-    if( bot.ustart <= bot.uend ) {
-       lower.line = &bot;
-       lower.index = bot.ustart;
-    } else
-       lower.line = 0;
-
-    TrimVertex *rfirst = right.first();
-    TrimVertex *rlast = right.last();
-    if( rfirst->param[0] <= rlast->param[0] ) {
-       fakeright.init( right.last() );
-       lower.right = &fakeright;
-       upper.right = &right;
-    } else {
-       fakeright.init( right.first() );
-       upper.right = &fakeright;
-       lower.right = &right;
-    }
-    upper.right->first();
-    lower.right->last();
-}
-
-/*----------------------------------------------------------------------
- * nextupper - find next vertex on upper hull of trim region.
- *              - if vertex is on trim curve, set vtop point to 
- *                that vertex.  if vertex is on grid, set vtop to
- *                point to temporary area and stuff coordinants into
- *                temporary vertex.  Also, place grid coords in temporary
- *                grid vertex.
- *----------------------------------------------------------------------
- */
-GridTrimVertex *
-Hull::nextupper( GridTrimVertex *gv )
-{
-    if( upper.left ) {
-       gv->set( upper.left->prev() );
-       if( gv->isTrimVert() ) return gv;
-       upper.left = 0;
-    } 
-
-    if( upper.line ) {
-       assert( upper.index <= upper.line->uend );
-       gv->set( uarray.uarray[upper.index], upper.line->vval );
-       gv->set( upper.index, upper.line->vindex );
-       if( upper.index++ == upper.line->uend ) upper.line = 0;
-       return gv; 
-    } 
-
-    if( upper.right ) {
-       gv->set( upper.right->next() );
-       if( gv->isTrimVert() ) return gv;
-       upper.right = 0;
-    } 
-
-    return 0; 
-}
-
-GridTrimVertex *
-Hull::nextlower( register GridTrimVertex *gv )
-{
-    if( lower.left ) {
-       gv->set( lower.left->next() );
-       if( gv->isTrimVert() ) return gv;
-       lower.left = 0;
-    } 
-
-    if( lower.line ) {
-       gv->set( uarray.uarray[lower.index], lower.line->vval );
-       gv->set( lower.index, lower.line->vindex );
-       if( lower.index++ == lower.line->uend ) lower.line = 0;
-       return gv;
-    } 
-
-    if( lower.right ) {
-       gv->set( lower.right->prev() );
-       if( gv->isTrimVert() ) return gv;
-       lower.right = 0;
-    } 
-
-    return 0;
-}
-