Thanks Bob and Paul!
FYI: You might want to take a look at the posting (on the forum) by Bernd:
http://forums.runrev.com/phpBB2/viewtopic.php?f=10&t=11100&p=51931#p51931
I appreciate the wonderful help from the LiveCode community!
Sincerely,
- Boo
-----Original Message-----
From: Bob Sneidar
Sent: Wednesday, February 15, 2012 11:07 AM
To: How to use LiveCode
Subject: Re: Is there a way to find a lighter and darker shade of a RGB
colorprogrammatically?
Seems to me you could add 10% to each of the RGB values by multiplying each
by 1.1, then round them up. (A roundUp function can be made by div'ing a
value by itself, then adding the mod of a value by itself and conditionally
adding 1 if the mod is not 0). That would give you the shade lighter.
Dividing the values by 1.1 would give you a shade darker. But that is just
me conjecturing off the top of my head.
Bob
On Feb 15, 2012, at 3:15 AM, Keith (Gulf Breeze Ortho Lab) wrote:
Hi All,
I have a problem... If a user selects a color and I put it into a variable
(as RGB), how can I find a shade that is several shades lighter, and a
shade that is several shades darker, also in RGB format?
For example, I put 0,255,64 into myVar. (This color a shade of green.)
Programmatically, how can I find a shade that is several shades lighter in
green and a shade that is several shades darker in green from this base
color?
(By the way... Is there a way in LiveCode to determine the hue of a color
and change the value?)
Any help would be most appreciated...
Thanks!
- Boo
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