Image handling and transformation from Tcl (Tk not required). 
Part of the [eTcl] distribution for Win32, Linux and Windows Mobile (aka PocketPC). 
Will be soon available as stub-enabled extension for Win32 and Linux/x86.

http://www.evolane.com/software/pixane/index.html

[RS] 2006-02-03 - Example code: display an image file ([JPEG] or others, what [Tk] itself has not built-in) in the [eTcl] [console]:

#-- Convert a "pixane" image to a [Tk] [photo]
 proc piximg file {
   package req pixane
   set p [pixane create]
   pixane load $p -file $file
   K [pixcopy $p] [pixane delete $p]
 }

#-- Export procs to the console interpreter (see [corp] and [K] for details)
 console eval [corp piximg]
 console eval [corp K]

#-- The viewer now is similar to ''see'' described on [console] page:
 proc see2 file {
   set im [console eval [list piximg $file]]
   console eval [list .console image create end -image $im]
 }

[RS] has tested that pixane 0.3 as came with [eTcl] 1.0pl6, on [PocketPC], works well with the following formats: GIF, PNG (most), JPEG, BMP (uncompressed).

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[Category Package] - [Category Image Processing]