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#include <Xw_Extension.h>
/* ifdef then trace on */
#ifdef TRACE
#define TRACE_RESTORE_AREA
#endif
/*
STATUS Xw_restore_area (awindow,px,py,pwidth,pheight):
XW_EXT_WINDOW *awindow
int px,py area center given in PIXELS
int pwidth,pheight area size given in PIXELS
Redraw the window area from the attached pixmap
returns XW_ERROR if NO attached pixmap exist or
area is out of window
returns XW_SUCCESS if successful
*/
#ifdef XW_PROTOTYPE
XW_STATUS Xw_restore_area (void *awindow,
int px,int py,int pwidth,int pheight)
#else
XW_STATUS Xw_restore_area (awindow,px,py,pwidth,pheight)
void *awindow;
int px,py,pwidth,pheight ;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_WINDOW *pwindow = (XW_EXT_WINDOW*)awindow ;
//XGCValues gc_values ;
//int function,color,mask = 0 ;
//unsigned long planemask,hcolor ;
if( !Xw_isdefine_window(pwindow) ) {
/*ERROR*Bad EXT_WINDOW Address*/
Xw_set_error(24,"Xw_restore_area",pwindow) ;
return (XW_ERROR) ;
}
if( (px + pwidth/2) < 0 || (px - pwidth/2) > _WIDTH ||
(py + pheight/2) < 0 || (py - pheight/2) > _HEIGHT ) {
/*WARNING*Bad AREA position*/
Xw_set_error(68,"Xw_restore_area",0) ;
return (XW_ERROR) ;
}
px -= pwidth/2 ; py -= pheight/2 ;
XFlush(_DISPLAY) ;
if( _NWBUFFER > 0 ) {
XCopyArea(_DISPLAY,_BWBUFFER,_FWBUFFER,pwindow->qgwind.gccopy,
px,py,pwidth,pheight,px,py) ;
} else if( _PIXMAP ) {
XCopyArea(_DISPLAY,_PIXMAP,_WINDOW,pwindow->qgwind.gccopy,
px,py,pwidth,pheight,px,py) ;
} else return (XW_ERROR) ;
XFlush(_DISPLAY) ;
#ifdef TRACE_RESTORE_AREA
if( Xw_get_trace() ) {
printf (" Xw_restore_area(%lx,%d,%d,%d,%d)\n",
(long ) pwindow,px,py,pwidth,pheight) ;
}
#endif
return (XW_SUCCESS);
}
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