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#include <Xw_Extension.h>
/* ifdef then trace on */
#ifdef TRACE
#define TRACE_GET_WIDTHMAP_INFO
#endif
/*
XW_STATUS Xw_get_widthmap_info (awidthmap,mwidth,uwidth,dwidth,fwidth):
XW_EXT_WIDTHMAP *awidthmap
int *mwidth Return the maximum width number of the widthmap
int *uwidth Return the User width number used in the widthmap
int *dwidth Return the User width number defined in the widthmap
int *fwidth Return the First Free width index in the widthmap
NOTE than if fwidth < 0 , No more Free width exist in the widthmap
Returns XW_ERROR if the Extended Widthmap is not defined
Returns XW_SUCCESS if successful
*/
#ifdef XW_PROTOTYPE
XW_STATUS Xw_get_widthmap_info (void *awidthmap,int *mwidth,int *uwidth,int *dwidth,int *fwidth)
#else
XW_STATUS Xw_get_widthmap_info (awidthmap,mwidth,uwidth,dwidth,fwidth)
void *awidthmap;
int *mwidth,*uwidth,*dwidth,*fwidth ;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_WIDTHMAP *pwidthmap = (XW_EXT_WIDTHMAP*)awidthmap;
int i ;
if( !Xw_isdefine_widthmap(pwidthmap) ) {
/*ERROR*Bad EXT_WIDTHMAP Address*/
Xw_set_error(53,"Xw_get_widthmap_info",pwidthmap) ;
return (XW_ERROR) ;
}
*mwidth = MAXWIDTH ;
*uwidth = pwidthmap->maxwidth ;
*dwidth = 1 ;
*fwidth = -1 ;
for( i=0 ; i< *uwidth ; i++ ) {
if( pwidthmap->widths[i] ) (*dwidth)++ ;
else if( i && *fwidth < 0 ) *fwidth = i ;
}
#ifdef TRACE_GET_WIDTHMAP_INFO
if( Xw_get_trace() ) {
printf (" Xw_get_widthmap_info(%lx,%d,%d,%d,%d)\n",
(long ) pwidthmap,*mwidth,*uwidth,*dwidth,*fwidth) ;
}
#endif
return (XW_SUCCESS);
}
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