@Grab(group='com.jhlabs', module='filters', version='2.0.235') @Grab(group='org.codehaus.griffon', module='jsilhouette-geom', version='0.4') import java.awt.* import java.awt.image.* import java.io.* import javax.imageio.* import com.jhlabs.composite.* import com.jhlabs.image.* import org.codehaus.griffon.jsilhouette.geom.* // 鉛筆画風の星を描画する def img = new BufferedImage( 200, 200, BufferedImage.TYPE_INT_ARGB ) def img2 = new BufferedImage( 200, 200, BufferedImage.TYPE_INT_ARGB ) def gr2 = img2.createGraphics() gr2.setColor(new Color((int)0xeedd00)) gr2.fillRect(0, 0, img2.getWidth(), img2.getHeight()) gr2.dispose() def gr = img.createGraphics() gr.setRenderingHint( RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON ) def radius1 = 100 def radius2 = 50 def angle = 0 def star = new Star(img.getWidth()/2, img.getHeight()/2, radius1, radius2, 5, angle ) gr.setColor(new Color((int)0xffffff)) gr.fill(star) gr.dispose() // 拡散 def df = new DiffuseFilter() df.setScale(4) img = df.filter(img, null) def wr = img2.getRaster() def buf = new int[4] for(int ly=1;ly<wr.getHeight();ly+=2){ for(int lx=0;lx<wr.getWidth();lx++){ wr.getPixel(lx, ly, buf) buf[0] = Math.min(255, (int)(buf[0] * 1.7f)) buf[1] = Math.min(255, (int)(buf[1] * 1.7f)) buf[2] = Math.min(255, (int)(buf[2] * 1.7f)) wr.setPixel(lx, ly, buf) } } // 線画 def sf = new SmearFilter() sf.setShape(SmearFilter.LINES) sf.setDensity(0.7f) sf.setDistance(7) sf.setScatter(0.8f) sf.setAngle((float)Math.PI/3) img = sf.filter(img, null) img2 = sf.filter(img2, null) // 角度を変更して sf.setDensity(0.2f) sf.setAngle((float)Math.PI/4) img = sf.filter(img, null) img2 = sf.filter(img2, null) // 切り取り gr2 = img.createGraphics() gr2.setComposite(AlphaComposite.SrcIn) gr2.drawImage(img2,0,0,null) gr2.dispose() ImageIO.write(img, "png", new File("drawstarpencil.png"))
出力画像
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhUZzlppolqmBbQCoTYRmFuR-a44w1udyc3-jDU49rzEm6THaaFXHMRCEOpbkjrCD707A79wC1x26EDGcARTIP8SpAw1W_yyzZFJIdh52hjrYIkwxODh4d8DRIqXYx2SWG1uJlt/s320/drawstarpencil.png)
動作環境
groovy 1.8.6, JDK7 update4
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