Created
June 20, 2014 07:48
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@Grab(group='org.imgscalr', module='imgscalr-lib', version='4.2') // Grailsの場合はBuildConfig.groovyのdependenciesに 「compile 'org.imgscalr:imgscalr-lib:4.2'」 | |
import java.awt.image.BufferedImage | |
import javax.imageio.ImageIO | |
import org.imgscalr.* | |
def srcFilepath = "/path/to/target.jpg" | |
def destFormat = 'jpg' | |
BufferedImage sourceImg = ImageIO.read(new File(srcFilepath)) | |
BufferedImage destImg = null | |
if(sourceImg.height >= sourceImg.width){ | |
// 縦長の画像の場合は横幅を基準にリサイズ | |
destImg = Scalr.resize(sourceImg, Scalr.Method.AUTOMATIC, Scalr.Mode.FIT_TO_WIDTH, 320, 480) | |
} | |
else{ | |
// 横長の画像の場合は高さを基準にリサイズ | |
destImg = Scalr.resize(sourceImg, Scalr.Method.AUTOMATIC, Scalr.Mode.FIT_TO_HEIGHT, 480, 320) | |
} | |
File newFile = new File("/path/to/resize_${System.currentTimeMillis()}.${destFormat}") | |
ImageIO.write(destImg, destFormat, newFile) |
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