Bitmap/PPM conversion through a pipe: Difference between revisions

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package require img::jpeg
package require img::jpeg


proc output_jpeg {image filename} {
$image write $filename -format jpeg
}
set img [image create photo -filename filename.ppm]
set img [image create photo -filename filename.ppm]
$img write filename.jpg -format jpeg</lang>
output_jpeg $img filename.jpg</lang>