From: Robert Klemme <shortcutter@...>
Date: 2009-12-08T00:45:03+09:00
Subject: Re: Reading Images

2009/12/7 Alexandro Kez <alexandro.mail@gmail.com>
>
> Hei there, ruby coders,
> I'm quite new to ruby and have just done some very basic projects for my
> university and now have encountered a problem while programming CG with
> openGL bindings for ruby. Most my mates are very pesimistic about
> programming CG with ruby, but not me.
> Well, my actual problem is:
>  I'm trying to put a texture on some shape, thus I need to load a JPEG
> to ram, get it's width/height and read every number that represents
> color code of each pixel. I just need to get width/height + array of
> numbers that would represent colors. With ruby I can read only lines as
> string from file? Or I'm not right?

You can read arbitrary binary content:

data = File.open("foo.jpg", "rb") {|io| io.read}

Does that help?

Kind regards

robert

--
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