RMagick - Watermarking Images with the shade method

I’ve just uploaded the latest in my series of articles about using
RMagick. This one explains a very simple technique for creating a
digital watermark that looks like embossed text. I hope you find it
useful.

http://rmagick.rubyforge.org/watermark/watermark.html

The RMagick home page has links to the entire series:
http://rmagick.rubyforge.org.

RMagick is an interface to the ImageMagick (http://www.imagemagick.org)
and GraphicsMagick (http://www.graphicsmagick.org) image processing
libraries that supports more than 90 image formats, including GIF, JPEG,
and PNG. RMagick includes RVG, a 2D drawing API. Comprehensive HTML
documentation for RMagick is available here:
http://www.simplesystems.org/RMagick/doc/index.html and here:
http://studio.imagemagick.org/RMagick/doc/.

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