用JavaScript裁切圖片多餘邊緣 / Trim an Image by JavaScript
布丁布丁吃布丁
用JavaScript裁切圖片多餘邊緣 / Trim an Image by JavaScript
雖然說ImageMagick是可以處理圖片沒錯，但畢竟要安裝工具還是有點麻煩。能不能直接在網頁就能裁切圖片多餘的邊緣呢？
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