http://www.purl.org/tcl/home/man/tcl8.4/TkCmd/photo.html

A photo widget is the means that Tk uses to display full color images.
Tk comes with support for GIF, PPM, and PGM formats, as well as a format to hook in code for other formats. The [Img] extension provides some additional full color image formats.

See also [image]

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