@Grab(group='com.jhlabs', module='filters', version='2.0.235') import java.awt.* import java.awt.image.* import java.io.* import javax.imageio.* import com.jhlabs.composite.* import com.jhlabs.image.* // 画像を回転させる def img = ImageIO.read(new File("sf2.jpg")) def imga = new BufferedImage( img.getWidth(), img.getHeight(), BufferedImage.TYPE_INT_ARGB ) def gr = imga.createGraphics() gr.drawImage(img,0,0,null) gr.dispose() def rf = new RotateFilter((float)45f/180f*ImageMath.PI, true) imga = rf.filter(imga, null) ImageIO.write(imga, "png", new File("rotate.png"))
元画像
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjp6S-VMQszLSZo5asy38xqZUSfb3F6EP8F8auSop3gjrpS0OvWiTZcgsps2ynJx6_9hm43QC_YR6CA9-rXBEekXSSfimeSeRrs8NhkxrN5sZrJ6IuQglfz4KxnYaNOt9LCzzqY/s320/sf2.jpg)
出力画像
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3DJ-LLfjDDPZmtAF7km88kiTsUjdFDJapHIJV1qzfUf7pe9k0cyocsKHm0-LFznI0QBTDY1qjMWSTR1QchzFZFcqGtkTKClgf-7EXhqN2alHHVkeZ-RDnpQPvJmD0i0iXGXzs/s320/rotate.png)
動作環境
groovy 1.8.6, JDK7 update4
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