[etoys-dev] How can I access the individual pixels in an image

[Rita Freudenberg]

Hi Steve,

I remember Kedama-projects from Yoshiki, where he modified individual pixels in an image. While I was looking for these projects, I found a very project from Mr. Dreyfus in our showcase, in which a sketch can be dropped onto Kedama and is converted into Pixels, which are then moved. You can find it here:

http://www.squeakland.org/launcher/?http://www.squeakland.org/content/showcase/everyone/accounts/pad/Walke-Particles-Pixels.002.pr

Rita

On May 25, 2012, at 12:35 PM, Steve Thomas wrote:

> How can I loop through each pixel in an image and get their red,green,blue values?
> I also would like to be able to create a new image using those values (modified, for example set red=red*0.5)
> 
> I know Karl did a great project Color Reading And Writing which I could use, but would like to introduce some of the kids to squeak.
> 
> Thanks,
> Stephen
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Rita Freudenberg
rita.freudenberg at ovgu.de



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