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#include <Xw_Extension.h>
/* ifdef then trace on */
#ifdef TRACE
#define TRACE_SET_MARKER_ATTRIB
#endif
/*
XW_ATTRIB Xw_set_marker_attrib (awindow,color,type,width,mode):
XW_EXT_WINDOW *awindow
int color ; Color index to used 0 >= x < MAXCOLOR
int type ; Type can be TRUE if marker must be filled with the
set_poly_attrib attributes
int width ; Width index to used 0 >= x < MAXWIDTH
DRAWMODE mode ; Draw Mode must be one of DRAWMODE enum
Set Marker Color,Type and Marker current graphic attrib .
Returns Selected Marker Attribute Index if successful
Returns 0 if Bad Color,Type or Marker Index
*/
#ifdef XW_PROTOTYPE
XW_ATTRIB Xw_set_marker_attrib (void *awindow,int color,int type,int width,XW_DRAWMODE mode)
#else
XW_ATTRIB Xw_set_marker_attrib (awindow,color,type,width,mode)
void *awindow;
int color,type ;
int width ;
XW_DRAWMODE mode ;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_WINDOW *pwindow = (XW_EXT_WINDOW*)awindow;
XGCValues gc_values ;
XW_ATTRIB code ;
int i,j,k,function,mask = 0;
unsigned long planemask,hcolor ;
if( !Xw_isdefine_window(pwindow) ) {
/*ERROR*Bad EXT_WINDOW Address*/
Xw_set_error(24,"Xw_set_marker_attrib",pwindow) ;
return (0) ;
}
if( _BINDEX > 0 ) return (1) ;
if ( !Xw_isdefine_color(_COLORMAP,color) ) {
/*ERROR*Bad Defined Color*/
Xw_set_error(41,"Xw_set_marker_attrib",&color) ;
return (0) ;
}
if ( !Xw_isdefine_width(_WIDTHMAP,width) ) {
/*WARNING*Bad Defined Width*/
Xw_set_error(52,"Xw_set_marker_attrib",&width) ;
width = 0 ;
}
if( !_WIDTHMAP || (_WIDTHMAP->widths[width] <= 1) ) width = 0 ;
code = QGCODE(color,type,width,mode) ;
if( code == pwindow->qgmark[pwindow->markindex].code ) {
/* The last index computed is already set*/
pwindow->qgmark[pwindow->markindex].count++ ;
return (pwindow->markindex+1) ;
}
for( i=j=0,k=MAXQG ; i<MAXQG ; i++ ) {
if( code == pwindow->qgmark[i].code ) k = i ;
if( pwindow->qgmark[i].count < pwindow->qgmark[j].count ) j = i;
}
if( k < MAXQG ) {
/* A GC index already exist,use it */
pwindow->markindex = k ;
pwindow->qgmark[k].count++ ;
return (k+1) ;
}
pwindow->markindex = j ;
pwindow->qgmark[j].count = 1 ;
Xw_get_color_attrib(pwindow,mode,color,&hcolor,&function,&planemask);
if( mode != QGMODE(pwindow->qgmark[j].code) ) {
mask |= GCFunction | GCPlaneMask | GCForeground ;
gc_values.function = function ;
gc_values.plane_mask = planemask ;
gc_values.foreground = hcolor ;
} else if( color != QGCOLOR(pwindow->qgmark[j].code) ) {
mask |= GCForeground;
gc_values.foreground = hcolor ;
}
if( width != QGWIDTH(pwindow->qgmark[j].code) ) {
mask |= GCLineWidth ;
if( width > 0 ) {
gc_values.line_width = _WIDTHMAP->widths[width] ;
} else {
gc_values.line_width = 0 ;
}
}
k = j+1 ;
if( mask ) {
XChangeGC(_DISPLAY,pwindow->qgmark[j].gc,mask,&gc_values) ;
pwindow->qgmark[j].code = code ;
#ifdef TRACE_SET_MARKER_ATTRIB
if( Xw_get_trace() > 1 ) {
printf(" %d = Xw_set_marker_attrib(%lx,%d,%d,%d,%d)\n",
k,(long ) pwindow,color,type,width,mode) ;
}
#endif
}
return (k) ;
}
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