Image Magick Resize 語法

因為現在透過Paperclip這邊有一點小問題,所以先做一下小記錄

底下這個部分我再找時間整理成表格

語法 | 說明

scale% | Height and width both scaled by specified percentage.
scale-x%xscale-y% | Height and width individually scaled by specified percentages. (Only one % symbol needed.)
width | Width given, height automagically selected to preserve aspect ratio.
xheight | Height given, width automagically selected to preserve aspect ratio.
widthxheight | Maximum values of height and width given, aspect ratio preserved.
widthxheight^ | Minimum values of width and height given, aspect ratio preserved.
widthxheight! | Width and height emphatically given, original aspect ratio ignored.
widthxheight> | Shrinks images with dimension(s) larger than the corresponding width and/or height dimension(s).
widthxheight< | Enlarges images with dimension(s) smaller than the corresponding width and/or height dimension(s).
area@ | Resize image to have specified area in pixels. Aspect ratio is preserved.

大致上就是這樣吧。

參考網址

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