Drawing a line - point by point

From: Roy (roy_at_mechnet.liv.ac.uk)
Date: 02/19/04 

Date: Thu, 19 Feb 2004 15:56:17 -0000

Hi,
     I used to have an algorithm for drawing a line pixel by pixel but a
lengthy search has yielded nothing.

What I need is a routine to calc each pixel for a line between points x1,y1
and x2,y2

Can anyone help?

Thanks,

Roy.

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