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IDLgrClipboard draw RGBA [message #66148]

Thu, 16 April 2009 12:40

natha
Messages: 482
Registered: October 2007

Senior Member

Hi group,

I've an IDLgrView and I draw some IDLgrImages. Each IDlgrImage is
created using NxMx4 data. I use the component alpha to set
transparency in some parts of the images.
When I want to export my View to a PostScript file I realize that the
transparent areas are black.

Reading the manual I found the COLOR_MODEL property of the
IDLgrClipboard. This property can be set to 1 (Indexed colors) or to
0 (RGB).
Does it means that I can not use the alpha-channel (transparency) when
I export my view?
In case I can't, please, how can I do that?

Thanks,
llo

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