ImageMagick is a free and open-source software suite for displaying, converting, and editing raster image and vector image files. It can read and write over 200 image file formats.
ImageMagick Commands
- identify – Print the details of imagces, that IM sees
- Convert – Convert and Modify Images
- Mogrify – in-place batch processing
- -quality value – JPEG/MIFF/PNG compression level
转换格式
将 nikon.NEF 转换为 png 格式图片
convert -verbose nef/nikon.NEF jpg/nikon.png
将 nef/KUN_34.NEF* 批量转换为 jpg 格式图片，保存到 jpg 目录下
mogrify -verbose -path jpg -format jpg nef/KUN_*.NEF
转换大小
将 lock.PNG 压缩为 1920x1080 大小的 lock1080.PNG图片
magick -verbose lock.PNG -resize 1920x1080 lock1080.PNG
批量压缩
mogrify -verbose -path jpg1080 -resize 1920x1080 jpg/KUN_35*.jpg
ico
convert -resize 128x -gravity center -crop 128x128+0+0 bougainvilleas.png -background transparent bougainvilleas.ico