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Re: Widget_Draw - Help [message #27328]

Fri, 19 October 2001 08:04

Liam E. Gumley
Messages: 378
Registered: January 2000

Senior Member

> Logan Lindquist wrote:
>
> I figured I would start with something easy, trying to create widget
> that displays images in Widget_Draw. I am trying to pass the wdraw
> variable in a Struct to the button procedure event handler. The event
> handler then calls a procedure that will hopefully open the file,
> resize the image and display in the wdraw window. Right now I am
> getting an error saying that my wdraw variable is undefined. Some
> hints to what I am doing wrong, would be greatly appreciated!

In addition to the helpful suggestions you have already received, you
may wish to examine the IMGUI example program that is described in my
book. It is designed to display a Pseudo or True color image in a
resizeable direct graphics draw widget. The source code can be obtained
as part of the "Sample Programs" packages at

http://www.gumley.com/PIP/About_Book.html

IMGUI uses IMDISP for displaying images.

Cheers,
Liam.
Practical IDL Programming
http://www.gumley.com/

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[Message index]

		Re: Widget_Draw - Help By: Liam E. Gumley on Fri, 19 October 2001 08:04
		Re: Widget_Draw - Help By: Logan Lindquist on Fri, 19 October 2001 07:31
		Re: Widget_Draw - Help By: Pavel A. Romashkin on Thu, 18 October 2001 22:46
		Re: Widget_Draw - Help By: Logan Lindquist on Thu, 18 October 2001 20:22
		Re: Widget_Draw - Help By: David Fanning on Thu, 18 October 2001 18:47
		Re: Widget_Draw - Help By: Logan Lindquist on Thu, 18 October 2001 18:06
		Re: Widget_Draw - Help By: David Fanning on Thu, 18 October 2001 14:14

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