Re: Using Pango for Batch Processing

[Behdad Esfahbod <behdad behdad org>]

On 02/17/2009 12:51 PM, Wouter Bolsterlee wrote:
> 2009-02-17 klockan 18:23 skrev Joshua Harvey:
> > I'm interested in using Pango to set type in OpenType fonts to be saved as
> > PNG images. I've done some googling and I can't find any examples on how
> > to use the library or pango-view to do this without GTK. The idea is to
> > use either pango-view or the Pango Ruby wrapper to convert text into PNGs
> > on the fly from a linux server that's not running gtk, for use as titles
> > in web pages.
> > I've got pango-view installed, but when I run it I get:
> > % pango-view -q --text "hi there" -o hi.png
>
> Hello Joshua,
>
> I wrote something exactly for this a while back, but never got around to
> publish it. I just uploaded it to Launchpad for you:

Dude, just hack pango-view to do what you want.

>    https://code.launchpad.net/~uws/+junk/render-text-to-image
>
> There's a README file telling you how to use it. Basically it's just his:
>
>    $ render-text-to-image \
>      --font='Georgia' \
>      --size=48 \
>      --text-color='#eee' \
>      --background-color='#000' \
>      --text='Hello, world!' \
>      --output=hello.png
>
> It also supports transparency, margins, and some simple markup.

pango-view from the just-released pango 1.24.0 does all that:

$ pango-view \
  --font 'Georgia 48px' \
  --foreground '#eee' \
  --background transparent \
  --text 'Hello, world!' \
  --output hello.png \
  --no-display

Cheers,
behdad

> Good luck, and let me know if you have any comments!
>
>      — Wouter