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@blankblank

ImageMagickでよく使うメモ

Last updated at Posted at 2017-02-10

透明部分以外を黒塗りにしたい

convert in.png -fill black -colorize 100 out.png
in.png out.png
in.png out.png

-colorizeの値を変えると塗る量を調節できます。

convert in.png -fill black -colorize 70 out.png
in.png out.png
in.png out.png

ドット絵を拡大したい

convert icon015.png -sample 480x480 item.png
icon015.png item.png
icon015.png item.png

タイル状の画像を分割したい

convert sprite.png -crop 32x32 icon%03d.png

参考

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