graphicsmagick how to remove transparent area and shrink the canvas size of a 32-bit image

Question

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Does gm have a command to find out the raster images boundary, and remove transparent area outside this boundary?

Andrea · Answer 1 · 2013-11-12 10:25:31Z

up vote 2 down vote

Try this command:

gm convert input.png -trim +repage output.png

input:

enter image description here

output:

enter image description here

answered Nov 11 '13 at 12:00

Andrea

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