NAME

screenspace - puts a program in screen space under 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 graphport to be read.  screenspace is equivalent to:

{
   int xmin, ymin;
     getorigin(&xmin, &ymin);
     viewport(-xmin, 1023-xmin, -ymin, 767-ymin);
     ortho2(-0.5, 1023.5, -0.5, 767.5);
}

SEE ALSO

getorigin, viewport, ortho2

NOTE

This command can be used only in immediate mode. 

Version 2.3  —  July 04, 1985