Re: Screen capture

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Bill Horsthemke (horst++at++dis.anl.gov)
Fri, 05 Nov 1999 10:36:48 -0600

pfuSaveImage() will create an rgb file of your current screen. Be sure
to use it as a callback to the draw process.

Used sequentially, you can create movies of your application.
whh

David Toffin wrote:
>
> Hi,
>
> I'm developing a visual simulation application in Performer 2.2,
> and I need to print screen copies. My framebuffer is configured with 4
> components RGBA and 12 bits per component.
> I tried to use the "snapshot" utility but the result is disappointing.
> There is a visible loss in color precision when displaying the image
> with "ipaste", probably because the gamma transform is applied on the
> RGB format (only 8 bits/component). This loss is visible on the printed
> image (whatever the printer quality).
>
> Does anyone know about a tool or a method for capturing screen images
> with a better color precision ?
>
> Thanks for your help,
>
> David
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