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GL3.2 for AIX: Graphics Library (GL) Technical Reference

noport Subroutine

Purpose

Specifies that a program does not require a window.

Libraries

Graphics Library

C (libgl.a)

FORTRAN (libfgl.a)

C Syntax

void noport( )

FORTRAN Syntax

SUBROUTINE NOPORT

Description

The noport subroutine specifies that a graphics program does not need screen space, and therefore does not require a window. This is useful for programs that only read or write the color map. Call this subroutine at the beginning of a graphics program, then call the winopen subroutine to initialize graphics.

The noport subroutine is ignored without a call to the winopen subroutine.

Note: This subroutine cannot be used to add to a display list.

Implementation Specifics

This subroutine is part of GL in the AIXwindows Environment/6000 Version 1, Release 2 with AIXwindows/3D Feature.

Files

/usr/include/gl/gl.h Contains C language constant and variable type definitions for GL.
/usr/include/gl/fgl.h Contains FORTRAN constant and variable type definitions for GL.

Related Information

Binding window constraints to the current window with the winconstraints subroutine.

Creating a window with the winopen subroutine.

Creating and Managing Windows.


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