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C Library Functions  - getviewport (3)

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NAME

getviewport(3f) - [M_draw:VIEWPORT] Returns limits of current viewport in screen coordinates (LICENSE:PD)

CONTENTS

Synopsis
Description
Options

SYNOPSIS

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).

   If a device 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

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Nemo Release 3.1

getviewport (3)

February 23, 2025

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