screenspace() — Silicon Graphics
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 graphics port 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,
“Multiple Exposure: The IRIS Window Manager” in the IRIS User’s Guide
NOTE
This command can be used only in immediate mode.
Version 2.4 — May 08, 1986