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#include <Xw_Extension.h>
/* ifdef then trace on */
#ifdef TRACE
#define TRACE_GET_WIDTH
#endif
/*
XW_STATUS Xw_get_width (awidthmap,index,width):
XW_EXT_WIDTHMAP *awidthmap
int index Line width index
float *width width in MM
Get Line Width Extended widthmap WIDTH value from index .
Returns XW_ERROR if BadWidth Index or Width is not defined
Returns XW_SUCCESS if Successful
*/
#ifdef XW_PROTOTYPE
XW_STATUS Xw_get_width (void *awidthmap,int index,float *width)
#else
XW_STATUS Xw_get_width (awidthmap,index,width)
void *awidthmap;
int index ;
float *width ;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_WIDTHMAP *pwidthmap = (XW_EXT_WIDTHMAP*)awidthmap;
Screen *screen ;
if ( !Xw_isdefine_width(pwidthmap,index) ) {
/*ERROR*Bad Defined Width*/
Xw_set_error(52,"Xw_get_width",&index) ;
return (XW_ERROR) ;
}
screen = ScreenOfDisplay(_WDISPLAY,DefaultScreen(_WDISPLAY)) ;
*width = (float)pwidthmap->widths[index] *
(float)WidthMMOfScreen(screen)/(float)WidthOfScreen(screen) ;
#ifdef TRACE_GET_WIDTH
if( Xw_get_trace() > 1 ) {
printf (" Xw_get_width(%lx,%d,%f)\n",(long ) pwidthmap,index,*width) ;
}
#endif
return (XW_SUCCESS);
}
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