+++ /dev/null
-/*
-** 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.
-*/
-
-/*
- * arcsorter.c++
- *
- */
-
-#ifndef __gluarcsorter_c_
-#define __gluarcsorter_c_
-
-//#include "glimports.h"
-//#include "arc.h"
-#include "arcsorter.h"
-#include "subdivider.h"
-
-ArcSorter::ArcSorter(Subdivider &s) : Sorter( sizeof( Arc ** ) ), subdivider(s)
-{
-}
-
-int
-ArcSorter::qscmp( char *, char * )
-{
- _glu_dprintf( "ArcSorter::qscmp: pure virtual called\n" );
- return 0;
-}
-
-void
-ArcSorter::qsort( Arc **a, int n )
-{
- Sorter::qsort( (void *) a, n );
-}
-
-void
-ArcSorter::qsexc( char *i, char *j )// i<-j, j<-i
-{
- Arc **jarc1 = (Arc **) i;
- Arc **jarc2 = (Arc **) j;
- Arc *tmp = *jarc1;
- *jarc1 = *jarc2;
- *jarc2 = tmp;
-}
-
-void
-ArcSorter::qstexc( char *i, char *j, char *k )// i<-k, k<-j, j<-i
-{
- Arc **jarc1 = (Arc **) i;
- Arc **jarc2 = (Arc **) j;
- Arc **jarc3 = (Arc **) k;
- Arc *tmp = *jarc1;
- *jarc1 = *jarc3;
- *jarc3 = *jarc2;
- *jarc2 = tmp;
-}
-
-
-ArcSdirSorter::ArcSdirSorter( Subdivider &s ) : ArcSorter(s)
-{
-}
-
-int
-ArcSdirSorter::qscmp( char *i, char *j )
-{
- Arc *jarc1 = *(Arc **) i;
- Arc *jarc2 = *(Arc **) j;
-
- int v1 = (jarc1->getitail() ? 0 : (jarc1->pwlArc->npts - 1));
- int v2 = (jarc2->getitail() ? 0 : (jarc2->pwlArc->npts - 1));
-
- REAL diff = jarc1->pwlArc->pts[v1].param[1] -
- jarc2->pwlArc->pts[v2].param[1];
-
- if( diff < 0.0)
- return -1;
- else if( diff > 0.0)
- return 1;
- else {
- if( v1 == 0 ) {
- if( jarc2->tail()[0] < jarc1->tail()[0] ) {
- return subdivider.ccwTurn_sl( jarc2, jarc1 ) ? 1 : -1;
- } else {
- return subdivider.ccwTurn_sr( jarc2, jarc1 ) ? -1 : 1;
- }
- } else {
- if( jarc2->head()[0] < jarc1->head()[0] ) {
- return subdivider.ccwTurn_sl( jarc1, jarc2 ) ? -1 : 1;
- } else {
- return subdivider.ccwTurn_sr( jarc1, jarc2 ) ? 1 : -1;
- }
- }
- }
-}
-
-ArcTdirSorter::ArcTdirSorter( Subdivider &s ) : ArcSorter(s)
-{
-}
-
-/*----------------------------------------------------------------------------
- * ArcTdirSorter::qscmp -
- * compare two axis monotone arcs that are incident
- * to the line T == compare_value. Determine which of the
- * two intersects that line with a LESSER S value. If
- * jarc1 does, return 1. If jarc2 does, return -1.
- *----------------------------------------------------------------------------
- */
-int
-ArcTdirSorter::qscmp( char *i, char *j )
-{
- Arc *jarc1 = *(Arc **) i;
- Arc *jarc2 = *(Arc **) j;
-
- int v1 = (jarc1->getitail() ? 0 : (jarc1->pwlArc->npts - 1));
- int v2 = (jarc2->getitail() ? 0 : (jarc2->pwlArc->npts - 1));
-
- REAL diff = jarc1->pwlArc->pts[v1].param[0] -
- jarc2->pwlArc->pts[v2].param[0];
-
- if( diff < 0.0)
- return 1;
- else if( diff > 0.0)
- return -1;
- else {
- if( v1 == 0 ) {
- if (jarc2->tail()[1] < jarc1->tail()[1]) {
- return subdivider.ccwTurn_tl( jarc2, jarc1 ) ? 1 : -1;
- } else {
- return subdivider.ccwTurn_tr( jarc2, jarc1 ) ? -1 : 1;
- }
- } else {
- if( jarc2->head()[1] < jarc1->head()[1] ) {
- return subdivider.ccwTurn_tl( jarc1, jarc2 ) ? -1 : 1;
- } else {
- return subdivider.ccwTurn_tr( jarc1, jarc2 ) ? 1 : -1;
- }
- }
- }
-}
-
-
-
-#endif /* __gluarcsorter_c_ */
projects / reactos.git / blobdiff