Hi Mark,
I believe you want something like this:
put NULL & numToChar(red) & numToChar(green) & numToChar(blue) into
myColor1
put NULL & numToChar(red2) & numToChar(green2) & numToChar(blue2) into
myColor2
put the imageData of img 1 into myData
replace myColor1 with myColor2 in myData
set the imageData of img 1 to myData
--
Best regards,
Mark Schonewille
Economy-x-Talk Consulting and Software Engineering
http://economy-x-talk.com
http://www.salery.biz
Benefit from our inexpensive hosting services. See http://economy-x-talk.com/server.html
for more info.
On 26 jun 2008, at 01:29, Mark Greenberg wrote:
I have an image where different regions consist of known colors. I
would like to fill a region with color at runtime as a sort of
highlight. The situation does not lend itself to using separate
transparent png images. I have been using the floodfill bucket tool
to achieve this, but it is slow and doesn't work right when I
compile to standalone.
I've read various threads on manipulating the raw picture data and
seen a couple of stacks like that. It seems a bit beyond my skills
as a casual programmer, but I may need to give it a try. Two
questions: would sampling every pixel in a 600x400 image and
possibly changing the pixel's color be fast enough to seem like a
highlight to the user? and how would I go about doing that?
Thanks in Advance,
Mark Greenberg
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