render a bitmap and edit the pixel colors

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I'm working on a new mac with xcode but willing to switch to different compiler/whatever to make this easier if needed.

I want a program that displays a grid of pixels (all white background to start is fine), takes a user input (space bar, mouse click) as a trigger to "update" and then a routine that allows me to change the color of individual pixels based on math I do.

What is the easiest way to do this? Are there (close) templates available?

Posted 1-Aug-14 15:34pm

Member 10983886

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Sergey Alexandrovich Kryukov 1-Aug-14 22:58pm

Do you want the "easiest" or something reasonable? :-)
What have you tried so far?
—SA

Member 10983886 2-Aug-14 5:38am

Anything reasonable.

I've been working off the Xcode sprites template that renders a rotating spaceship on mouse click. I created 6 or 7 png files of different colors and drawing with those now.

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