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#include <Xw_Extension.h>
/* ifdef then trace on */
#ifdef TRACE
#define TRACE_GET_BACKGROUND_PIXEL
#endif
/*
STATUS Xw_get_background_pixel(awindow,pixel):
XW_EXT_WINDOW *awindow Window extension structure
unsigned long *pixel ; Return Color pixel depending of Visual Class
Returns ERROR if Window or background pixel is not defined properly
Returns SUCCESS if Successful
*/
#ifdef XW_PROTOTYPE
XW_STATUS Xw_get_background_pixel(void* awindow, unsigned long* pixel)
#else
XW_STATUS Xw_get_background_pixel(awindow,pixel)
void *awindow ;
unsigned long *pixel ;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_WINDOW *pwindow = (XW_EXT_WINDOW*)awindow ;
XW_STATUS status = XW_SUCCESS ;
*pixel = 0;
if( !pwindow ) {
/*ERROR*Bad EXT_WINDOW Address*/
Xw_set_error( 24,"Xw_get_background_pixel",pwindow ) ;
return( XW_ERROR ) ;
}
if( pwindow->backindex < 0 ) {
*pixel = _COLORMAP->backpixel;
} else if( Xw_isdefine_color(_COLORMAP,pwindow->backindex) ) {
*pixel = _COLORMAP->pixels[pwindow->backindex];
} else {
status = XW_ERROR;
}
#ifdef TRACE_GET_BACKGROUND_PIXEL
if( Xw_get_trace() > 3 ) {
printf(" %d = Xw_get_background_pixel(%lx,%lx)\n",
status,(long ) pwindow,*pixel) ;
}
#endif
return( status ) ;
}
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