From: Timothy Hunter <TimHunter@...>
Date: 2007-01-28T05:36:20+09:00
Subject: Re: transparent text with rmagick?

dc wrote:
> hi -
>
> (this maybe more an imagemagick q that a ruby one, but here goes ..)
>
> using rmagick / I have a small script for generating some type, but I
> cannot get the type to come out as transparent png - it comes out just
> on solid white .
>
> does this have to be done with masks and compositing? there are a
> number of methods that look like they should work (transparent_color
> etc), but dont seem to...
>
> is the library broken or am i doing something wrong?
>
> tx,
>
> /dc
Set the background color to "none" when you create the image:

buffer = Magick::Image.new(250, 250) {self.background_color = 'none'}