import java as java
import javax as javax

RATE=0.35
OUTFILE="pieChart.png"


KEY_ANTIALIASING= java.awt.RenderingHints.KEY_ANTIALIASING
VALUE_ANTIALIAS_ON=java.awt.RenderingHints.VALUE_ANTIALIAS_ON



def paintPaiChart(g2,loc,size):
	g2.setColor(java.awt.Color.LIGHT_GRAY)

	# paint arc
	kakudo=java.lang.Math.round(360*RATE)
	g2.fillArc(loc.x,loc.y,size.width,size.height,90,kakudo*-1)
	
	# paint circle
	g2.drawOval(loc.x,loc.y,size.width,size.height)
	


loc=java.awt.Point(0,0)
size=java.awt.Dimension(100,100)

type=java.awt.image.BufferedImage.TYPE_4BYTE_ABGR 
img=java.awt.image.BufferedImage(size.width+1,size.height+1,type)

g2=img.getGraphics()
g2.setRenderingHint(KEY_ANTIALIASING, VALUE_ANTIALIAS_ON);

# paint background
#g2.setColor(java.awt.Color.WHITE)
#g2.fill(java.awt.Rectangle(loc.x,loc.y,size.width+1,size.height+1))

paintPaiChart(g2,loc,size)

g2.dispose()

out=java.io.FileOutputStream(OUTFILE)
javax.imageio.ImageIO.write(img,"PNG",out)
out.close()