I writing a gtk application where I need to do the following; let the user mark two pixels in a drawingarea (as you would if you were to draw a line in, for example, the gimp) and then, somehow, have the pixel values along that line be returned to me in some form. The goal is to present a graph to the user with those pixel values.
The problem at hand is; how do I get those pixel values?
(And I'm writing this in pyhon, so if someone wants to provide code examples in python, that would be great.)
TIA!
/Fredrik Persson
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