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#include <Xw_Extension.h>
/* ifdef then trace on */
#ifdef TRACE
#define TRACE_GET_DISPLAY_VISUAL
#endif
/*
Xw_TypeOfVisual Xw_get_display_visual (adisplay,pclass):
XW_EXT_DISPLAY *adisplay Extended Display structure
Xw_TypeOfVisual pclass Preferred Visual Class
Returns the X display attributes of a connexion
returns XW_DEFAULT_VISUAL if something is wrong
returns the best Visual class if Successfull
*/
#ifdef XW_PROTOTYPE
Xw_TypeOfVisual Xw_get_display_visual (void *adisplay,Xw_TypeOfVisual pclass)
#else
Xw_TypeOfVisual Xw_get_display_visual (adisplay,pclass)
void *adisplay ;
Xw_TypeOfVisual pclass;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_DISPLAY *pdisplay = (XW_EXT_DISPLAY*)adisplay ;
Xw_TypeOfVisual rclass = Xw_TOV_DEFAULT ;
XVisualInfo *ginfo ;
if( !Xw_isdefine_display(pdisplay) ) {
/*ERROR*Bad EXT_DISPLAY Address*/
Xw_set_error(96,"Xw_get_display_visual",pdisplay) ;
return (rclass) ;
}
if( !(ginfo = Xw_get_visual_info(pdisplay,pclass)) ) return (rclass) ;
#if defined(__cplusplus) || defined(c_plusplus)
rclass = (Xw_TypeOfVisual) ginfo->visual->c_class ;
#else
rclass = (Xw_TypeOfVisual) ginfo->visual->class ;
#endif
XFree((char*)ginfo) ;
#ifdef TRACE_GET_DISPLAY_VISUAL
if( Xw_get_trace() > 1 ) {
printf (" %d = Xw_get_display_visual(%lx,%d)\n",rclass,(long ) adisplay,pclass) ;
}
#endif
return (rclass) ;
}
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