Instructions:
To move the image (Dragging)
Press and hold left mouse button while moving the mouse.
To zoom in
Draw a selection rectangle around the area to zoom in on,
Press and hold the right button while moving the mouse to define the zoom area.
History
This is based upon a program I wrote around 1985
using the 8086/8087 and NEC7220 GDC
Copyright © 2011 M. Rotherforth. All rights reserved. E-mail Webmaster