NAME

screenspace − puts a program in screen space in the window manager

SPECIFICATION

C
screenspace()

FORTRAN
subroutine screen

Pascal
procedure screenspace;

DESCRIPTION

screenspace puts the specified program in screen space.  Graphics positions are expressed in absolute screen coordinates.  This allows pixels and locations outside a program’s graphics window to be read.  screenspace is equivalent to:

     int xmin, ymin;
     getorigin(&xmin, &ymin);
     viewport(-xmin, XMAXSCREEN-xmin, -ymin, YMAXSCREEN-ymin);
     ortho2(-0.5, 1023.5, -0.5, 767.5);
 

SEE ALSO

getorigin, viewport, ortho2 Using mex, the IRIS Window Manager

NOTE

This routine is available only in immediate mode. 

Version 2.5  —  April 22, 1987