diff options
Diffstat (limited to 'src/glu/sgi/libnurbs/internals/arc.cc')
| -rw-r--r-- | src/glu/sgi/libnurbs/internals/arc.cc | 71 |
1 files changed, 32 insertions, 39 deletions
diff --git a/src/glu/sgi/libnurbs/internals/arc.cc b/src/glu/sgi/libnurbs/internals/arc.cc index 845f05fab9..3b968303bd 100644 --- a/src/glu/sgi/libnurbs/internals/arc.cc +++ b/src/glu/sgi/libnurbs/internals/arc.cc @@ -35,8 +35,8 @@ /* * arc.c++ * - * $Date: 2002/11/01 23:35:07 $ $Revision: 1.2 $ - * $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/arc.cc,v 1.2 2002/11/01 23:35:07 brianp Exp $ + * $Date: 2003/10/14 23:48:57 $ $Revision: 1.3 $ + * $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/arc.cc,v 1.3 2003/10/14 23:48:57 kendallb Exp $ */ #include <stdio.h> @@ -50,11 +50,11 @@ #include "simplemath.h" /* local preprocessor definitions */ -#define ZERO 0.00001/*0.000001*/ +#define ZERO 0.00001/*0.000001*/ -const int Arc::bezier_tag = (1<<13); -const int Arc::arc_tag = (1<<3); -const int Arc::tail_tag = (1<<6); +const int Arc::bezier_tag = (1<<13); +const int Arc::arc_tag = (1<<3); +const int Arc::tail_tag = (1<<6); /*-------------------------------------------------------------------------- * makeSide - attach a pwl arc to an arc and mark it as a border arc @@ -72,7 +72,7 @@ Arc::makeSide( PwlArc *pwl, arc_side side ) clearbezier(); setside( side ); } - + /*-------------------------------------------------------------------------- * numpts - count number of points on arc loop @@ -100,7 +100,7 @@ void Arc::markverts( void ) { Arc_ptr jarc = this; - + do { TrimVertex *p = jarc->pwlArc->pts; for( int i=0; i<jarc->pwlArc->npts; i++ ) @@ -125,22 +125,22 @@ Arc::getextrema( Arc_ptr extrema[4] ) botpt = toppt = this->tail()[1]; for( Arc_ptr jarc = this->next; jarc != this; jarc = jarc->next ) { - if ( jarc->tail()[0] < leftpt || + if ( jarc->tail()[0] < leftpt || (jarc->tail()[0] <= leftpt && jarc->rhead()[0]<=leftpt)) { leftpt = jarc->pwlArc->pts->param[0]; extrema[1] = jarc; } - if ( jarc->tail()[0] > rightpt || + if ( jarc->tail()[0] > rightpt || (jarc->tail()[0] >= rightpt && jarc->rhead()[0] >= rightpt)) { rightpt = jarc->pwlArc->pts->param[0]; extrema[3] = jarc; } - if ( jarc->tail()[1] < botpt || - (jarc->tail()[1] <= botpt && jarc->rhead()[1] <= botpt )) { + if ( jarc->tail()[1] < botpt || + (jarc->tail()[1] <= botpt && jarc->rhead()[1] <= botpt )) { botpt = jarc->pwlArc->pts->param[1]; extrema[2] = jarc; } - if ( jarc->tail()[1] > toppt || + if ( jarc->tail()[1] > toppt || (jarc->tail()[1] >= toppt && jarc->rhead()[1] >= toppt)) { toppt = jarc->pwlArc->pts->param[1]; extrema[0] = jarc; @@ -160,7 +160,7 @@ Arc::show() #ifndef NDEBUG dprintf( "\tPWLARC NP: %d FL: 1\n", pwlArc->npts ); for( int i = 0; i < pwlArc->npts; i++ ) { - dprintf( "\t\tVERTEX %f %f\n", pwlArc->pts[i].param[0], + dprintf( "\t\tVERTEX %f %f\n", pwlArc->pts[i].param[0], pwlArc->pts[i].param[1] ); } #endif @@ -176,13 +176,6 @@ Arc::print( void ) { Arc_ptr jarc = this; - if( ! this ) { -#ifndef NDEBUG - dprintf( "\n\nEMPTY TRIM\n\n" ); -#endif - return; - } - #ifndef NDEBUG dprintf( "BGNTRIM\n" ); #endif @@ -217,10 +210,10 @@ Arc::isDisconnected( void ) #endif return 1; } else { - /* average two points together */ - p0[0] = p1[0] = (p1[0] + p0[0]) * 0.5; - p0[1] = p1[1] = (p1[1] + p0[1]) * 0.5; - return 0; + /* average two points together */ + p0[0] = p1[0] = (p1[0] + p0[0]) * 0.5; + p0[1] = p1[1] = (p1[1] + p0[1]) * 0.5; + return 0; } } @@ -251,29 +244,29 @@ Arc::check( void ) do { assert( (jarc->pwlArc != 0) || (jarc->bezierArc != 0) ); - if (jarc->prev == 0 || jarc->next == 0) { + if (jarc->prev == 0 || jarc->next == 0) { #ifndef NDEBUG dprintf( "checkjarc:null next/prev pointer\n"); jarc->print( ); #endif return 0; - } + } - if (jarc->next->prev != jarc) { + if (jarc->next->prev != jarc) { #ifndef NDEBUG dprintf( "checkjarc: pointer linkage screwed up\n"); jarc->print( ); #endif return 0; - } + } - if( jarc->pwlArc ) { + if( jarc->pwlArc ) { #ifndef NDEBUG assert( jarc->pwlArc->npts >= 1 ); assert( jarc->pwlArc->npts < 100000 ); /* for( int i=0; i < jarc->pwlArc->npts-1; i++ ) - assert( neq_vert( jarc->pwlArc->pts[i].param, + assert( neq_vert( jarc->pwlArc->pts[i].param, jarc->pwlArc->pts[i+1].param) ); */ #endif @@ -287,7 +280,7 @@ Arc::check( void ) return 0; } if( jarc->tail()[0] != jarc->prev->rhead()[0] ) { - + #ifndef NDEBUG dprintf( "checkjarc: geometric linkage screwed up 2\n"); jarc->prev->show(); @@ -316,13 +309,13 @@ Arc::check( void ) } if( jarc->isbezier() ) { assert( jarc->pwlArc->npts == 2 ); - assert( (jarc->pwlArc->pts[0].param[0] == \ - jarc->pwlArc->pts[1].param[0]) ||\ - (jarc->pwlArc->pts[0].param[1] == \ - jarc->pwlArc->pts[1].param[1]) ); + assert( (jarc->pwlArc->pts[0].param[0] == \ + jarc->pwlArc->pts[1].param[0]) ||\ + (jarc->pwlArc->pts[0].param[1] == \ + jarc->pwlArc->pts[1].param[1]) ); } } - jarc = jarc->next; + jarc = jarc->next; } while (jarc != this); return 1; } @@ -347,9 +340,9 @@ Arc::append( Arc_ptr jarc ) if( jarc != 0 ) { next = jarc->next; prev = jarc; - next->prev = prev->next = this; + next->prev = prev->next = this; } else { - next = prev = this; + next = prev = this; } return this; } |