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Date Posted: 20:49:54 03/04/04 Thu
Author: Michel
Subject: Re: How to set transparency on TIF G4 Image ?
In reply to: Patrice 's message, "How to set transparency on TIF G4 Image ?" on 10:55:32 03/03/04 Wed

Bonjour Patrice,

The Transparent property allows displaying a graphic transparently but not combining two images together. In TDibGraphic you have the property TransparentPixel which determines which pixel or color is considered the transparent color.

To merge two graphics together will require manipulating the pixels manually using the TDibGraphic.RGB property. Ie, replaceing foreground pixels with pixels from the background image.

Best regards,


>I would like print a TIF Group 4 image on an other
>I used transparency property for this.
>I tried this :
>ImageScrollBox2.Graphic.Transparent := true;
>I tried also with TDibGraphic but it didn't work.
>Bitmap is the only format for transparency ?
>Is there an other solution for my problem ?
>Thank you.

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