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Re: Marking squares

From: joakim
Subject: Re: Marking squares
Date: Sat, 02 Feb 2013 09:26:41 +0100
User-agent: Gnus/5.130006 (Ma Gnus v0.6) Emacs/24.3.50 (gnu/linux)

Lars Magne Ingebrigtsen <address@hidden> writes:

> I'm contemplating implementing a very, very simple image editor in
> Emacs, which would mainly just allow image cropping.  To do that, it
> would be nice if `mouse-drag-region' would allow highlighting a "box"
> instead of the lines between mark and the mouse position.
> So my question is -- does Emacs have an option of highlighting
> rectangles instead of "the region"?  It might be useful when using
> commands like `C-x r k', too, perhaps.
> I've looked at the code, but I can't find anything obvious
> immediately...

I'm not sure if it's relevant but heres my approach:

You view the image wrapped in SVG. Then you can mark a region, drawn
with a svg rectangle, using the mouse. Then you can use the region for
whatever purpose. I use it to select regions for OCR.

Joakim Verona

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