convert inanimation.gif -coalesce -crop WxH+X+Y +repage -layers optimize outanimation.gif.
If you want to convert to another image format, it can be done conveniently at the same time (-quality option controls the jpg quality):įor i in `ls *.gif` do convert $i -trim -bordercolor White -border 20x10 -quality 92 +repage cropped_`basename $i gif`jpg doneĪbove basename utility is used for trimming suffix from the file name. So in ImageMagick you probably want to coalesce the animation before cropping. This offset may need to be removed using +repage, to remove if it is.
#Imagemagick repage software
The ImageMagick execution model is still a bit baffling to me. ImageMagick is a software suite to create, edit, and compose bitmap images. It is also possible to process all image files in the current directory with the following one line command:įor i in `ls *.jpg` do convert $i -trim -bordercolor White -border 20x10 +repage cropped_`basename $i` done magick convert temp2.png -crop 1430x1430+385+285 +repage round.png magick convert round.png -resize 32x32 round32.png Probably some of these steps could be combined. This command reads the original file, removes (trims, crops) white borders, adds 20 pixel white borders horizontally and 10px vertically, and stores the file as cropped_image.jpg. Common image graphical editors have autocrop tool, but if many files need to be processed, opening and saving files one by one quickly becomes tedious.Ī better solution is to use convert tool that is a part of the powerful Imagemagick toolkit:Ĭonvert image.jpg -trim -bordercolor White -border 20x10 +repage cropped_image.jpg Often one has to crop excess margins from an raster image.
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