1. 썸네일 라이브러리, Thumbnailator - 다운로드 : https://mvnrepository.com/artifact/net.coobird/thumbnailator/0.4.8 2. Thumbnailator 사용방법 - sourceRegion() public static void main(String[] args) throws IOException { File file = new File("C:\\Users\\user\\Desktop\\thumb", "origin.jpg"); Thumbnails .of(new File("C:\\Users\\user\\Desktop\\thumb", "origin.jpg")) .sourceRegion(Positions.TOP_CENTER, 200, 200) .siz..