Image Data Manipulation

[Ken Ray]

Ray,

Take a look at my notes on manipulating imageData:

Understanding ImageData, MaskData and AlphaData:
http://www.sonsothunder.com/devres/revolution/revolution.htm?_imag003

Making a Single Color Transparent Using MaskData:
http://www.sonsothunder.com/devres/revolution/revolution.htm?_imag004

Making an Image Translucent Using AlphaData:
http://www.sonsothunder.com/devres/revolution/revolution.htm?_imag005

Those should help...

Ken Ray
Sons of Thunder Software
Email: kray at sonsothunder.com
Web Site: http://www.sonsothunder.com/

----- Original Message -----
From: "Ray Horsley" <ray at linkitonline.com>
To: <metacard at lists.runrev.com>
Sent: Tuesday, February 18, 2003 10:23 AM
Subject: Image Data Manipulation


> Hi ya'all,
>
>
> I've got a bunch of pictures, JPEG files actually, and they're nothing but
> black figures on a blue background.  I want to display them without the
blue
> background.  Does anybody know how to manipulate the imageData property
(or
> any other way of doing this) to turn all the blue pixels, which are
> 0,255,25, into white ones, 255,255,255, without touching the black pixels?
>
> Thanks!
>
>
> Ray Horsley
> Developer, LinkIt! Software
>
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