Fast way to set transparency of the entire image?

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This topic and its replies were posted before the current version of LEADTOOLS was released and may no longer be applicable.

#1 Posted : Thursday, November 3, 2005 3:29:12 AM(UTC)

cames

Groups: Registered
Posts: 9

I'm looking for a fast way to apply an alpha value to the entire image during display only. In GDI+ I used a color matrix for this. Is there anything similar for IRasterImage?

Thanks,

Chad


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#2 Posted : Tuesday, November 8, 2005 4:47:14 AM(UTC)

Maen Hasan

Groups: Registered, Tech Support
Posts: 1,326

Was thanked: 1 time(s) in 1 post(s)

Chad,

We don't actually have function to do this for display-only. You can
create a second bitmap by combining the original bitmap with a
background bitmap using a specific opacity value with the
AlphaBlendCommand Class. You can then use the resulting bitmap for display.

Thanks,
Maen Badwan
LEADTOOLS Technical Support

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