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Re: Gettng a widget screenshot? [message #21654 is a reply to message #21653]

Wed, 06 September 2000 13:04

Liam E. Gumley
Messages: 378
Registered: January 2000

Senior Member

Richard Tyc wrote:
> I am thinking I am missing something simple here but I checked tvrd() and
> widget_info and can't seem to find a way to get the current image of the
> onscreen widget. ie. I have a base widget filled with Draw, sliders, buttons
> etc and I want to get a snapshot at full screen resoution of the realized
> base widget. I am also using Object graphics for the Draw windows. I
> thought by getting the geometry from widget_info(wbasewidget, /Geometry) I
> could specify to tvrd() where to get the image (xo,yo,xsize,ysize) , but
> tvrd works on Windows, not widgets(with windows in them) I guess. (ie. when
> I try this, tvrd pops up a blank 640x512 window (1/4 screen size from my
> preferences) and returns a blank image array?)
>
> Any ideas ? I am trying to animate how my application looks to the user. I
> am using Windows NT4 and IDL 5.3.

(1) Give focus to the widget by clicking on it
(2) Hit Alt-PrintScreen

The clipboard now contains a bitmap image of the widget window. This
works for me in Windows NT4 and 98 (it has nothing to do with IDL).

Cheers,
Liam.
http://cimss.ssec.wisc.edu/~gumley

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[Message index]

		Re: Gettng a widget screenshot? By: Martin Schultz on Thu, 07 September 2000 00:48
		Re: Gettng a widget screenshot? By: Peter Mason on Wed, 06 September 2000 13:49
		Re: Gettng a widget screenshot? By: davidf on Wed, 06 September 2000 13:29
		Re: Gettng a widget screenshot? By: John-David T. Smith on Wed, 06 September 2000 13:22
		Re: Gettng a widget screenshot? By: Liam E. Gumley on Wed, 06 September 2000 13:04
		Re: Gettng a widget screenshot? By: davidf on Wed, 06 September 2000 12:28

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