C Library Functions - getviewport (3)

NAME

getviewport(3f) - [M_pixel] return viewport in screen pixel coordinates (LICENSE:PD)

Synopsis
Description
Options
Author
License

SYNOPSIS

definition:

   subroutine getviewport(left, right, bottom, top)
   real,intent(out)    :: left
   real,intent(out)    :: right
   real,intent(out)    :: bottom
   real,intent(out)    :: top

DESCRIPTION

Returns the left, right, bottom and top limits of the current viewport in screen coordinates (-1.0 to 1.0).

    Fortran:
         subroutine getviewport(left, right, bottom, top)
         real left, right, bottom, top

If a pixel array has been declared to be real :: array(600,400)

        o-----> X                         (right=600,top=0)
        | #------------------------------------#
        | |                                    |
        | |                                    |
        V |                                    |
        Y |                                    |
          #------------------------------------#

(left=0,bottom=400)

OPTIONS

LEFT value for left side

RIGHT value for right side

BOTTOM value for bottom side

TOP value for top side

AUTHOR

John S. Urban

LICENSE

Public Domain

Nemo Release 3.1

getviewport (3)

June 29, 2025

Generated by manServer 1.08 from bb1669b5-08fa-4295-a745-8dc2b9e686e2 using man macros.

LEFT	value for left side
RIGHT	value for right side
BOTTOM	value for bottom side
TOP	value for top side