Is it possible to access or set individual pixels of an image?
scott at tactilemedia.com
Wed Nov 17 15:09:02 EST 2010
Recently, Geoff Canyon Rev wrote:
> You should try to do all the updates as one: get the imagedata of the image,
> make whatever changes you need to, then set the imagedata of the image
> again. There are a few gotchas when setting the imagedata. Make sure the
> image is the right size. If you're setting a 10x20 pixel image, you need to
> supply exactly 800 bytes of data. That's 4 for each pixel. The first byte is
> 0, the next three are Red, Green and Blue.
No doubt, there are more efficient ways to do it -- am just trying to show
what's possible. You're the man when it comes to efficiency Geoff!
Tactile Media, UX Design
More information about the Use-livecode