Image Data Manipulation

[Ray Horsley]

Ken,

A huge THANK YOU!  If anyone wants to understand how to manipulate
imageData, these sites at Ken's web page will do the trick.

Thanks,


Ray Horsley
Developer, LinkIt! Software


on 2/18/03 4:20 PM, Ken Ray at kray at sonsothunder.com wrote:

> 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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