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#include <Xw_Extension.h>
/* ifdef then trace on */
#ifdef TRACE
#define TRACE_GET_MARKER_INDEX
#endif
/*
XW_STATUS Xw_get_marker_index(amarkmap,length,spoint,xpoint,ypoint,index):
XW_EXT_MARKMAP *amarkmap Markmap extension structure
int length ; Style Descriptor length
int *spoint; Marker status point vector
float *xpoint; Marker x coordinate vector
float *ypoint; Marker y coordinate vector
int *index ; Return Marker index 0 >= x < MAXMARKER
Gets the nearest marker index from Style Descriptor values.
Returns XW_ERROR if BadMarker Index or marker is not defined
Returns XW_SUCCESS if Successful
*/
#ifdef XW_PROTOTYPE
XW_STATUS Xw_get_marker_index(void *amarkmap,int length,
int *spoint, float *xpoint, float *ypoint, int *index)
#else
XW_STATUS Xw_get_marker_index(amarkmap,length,spoint,xpoint,ypoint,index)
void *amarkmap ;
int length ;
int *spoint;
float *xpoint;
float *ypoint;
int *index ;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_MARKMAP *pmarkmap = (XW_EXT_MARKMAP*) amarkmap ;
XW_STATUS status = XW_ERROR ;
int i,j,k,l ;
if( !pmarkmap ) {
/*ERROR*Bad EXT_MARKMAP Address*/
Xw_set_error( 46,"Xw_get_marker_index",pmarkmap ) ;
return( XW_ERROR ) ;
}
if( length > 0 ) {
for( i=k=0 ; i<pmarkmap->maxmarker ; i++ ) {
l = pmarkmap->npoint[i];
if( l == length ) {
int *s = pmarkmap->spoint[i];
float *x = pmarkmap->xpoint[i];
float *y = pmarkmap->ypoint[i];
for( j=0 ; j<l ; j++,s++,x++,y++ ) {
if( *s != spoint[j] ||
*x != xpoint[j] || *y != ypoint[j] ) break;
}
if( j >= l ) break;
} else if( !l && !k ) k = i ;
}
if( i<pmarkmap->maxmarker ) {
*index = i ;
status = XW_SUCCESS ;
} else {
*index = k ;
status = Xw_def_marker (pmarkmap,k,length,spoint,xpoint,ypoint) ;
}
} else {
*index = 0 ;
status = XW_SUCCESS ;
}
#ifdef TRACE_GET_MARKER_INDEX
if( Xw_get_trace() > 1 ) {
printf(" %d = Xw_get_marker_index(%lx,%d,%d)\n",
status,(long ) pmarkmap,length,*index) ;
}
#endif
return( status ) ;
}
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