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


The RMagick home page has links to the entire series:

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:

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