NewsForge: Advanced Image Editing from the Command Line with ImageMagick

“ImageMagick (IM) is a command-line graphics creation and
editing application. In a previous article we used it to add text
and frames to images, and for other basic image manipulation. In
this article we’ll use the ImageMagick suite of commands to create
a multi-image mosaic, draw some basic shapes, and create 3D
logos.

“Pasting one image over another is known as superimposing. Using
this technique we can turn the hard-corners of an image into
rounded borders–or any other shape, for that matter–by simply
superimposing pre-fabricated transparent curved corners onto the
image…”

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