On Tue, Jan 26, 2010 at 1:55 PM, Jay Smith <j...@jaysmith.com> wrote:
> On 01/26/2010 02:49 PM, helices wrote:
>> I have a simple JPG (108x170 pixels) that I want to use in a larger,
>> higher resolution image that I'm creating.  It is a fairly simple black
>> and white drawing -- actually, a light bulb with several curves and
>> angles and straight lines.

> This may be missing the point somehow, but if you used some kind of
> "outlining" program (followed by a little editing) that creates a
> vector-based (instead of bitmap based) image, you could then scale to
> whatever size you want with perfect resolution, and then convert that
> size to a bitmap format like JPG.  If you save the vector version, you
> can scale-and-save-out to as many sizes as you like.

I would open Inkscape, import the graphic, then either do a trace or
redraw it.  Then delete the image, save as SVG, open in GIMP at
desired size.

> Back in the day I used Adobe Streamline for this kind of task, but I
> don't know if that even still exists any more.

Streamline was for OS 8-9 IIRC, and never got ported to OSX.  I use
inkscape to do tracing - it works better than the auto-trace feature
in Adobe's products anyway (especially on blank-and-white images).

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