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package web.images;
/**
* 此處插入類型描述。
* @author：Administrator
*/
import java.io.*;
import java.util.*;
import com.sun.image.codec.jpeg.*;
import java.awt.image.*;
import java.awt.*;

public class ChartGraphics {
BufferedImage image;
public void createImage(String fileLocation) {
try {
FileOutputStream fos = new FileOutputStream(fileLocation);
BufferedOutputStream bos = new BufferedOutputStream(fos);
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(bos);
encoder.encode(image);
bos.close(); 
} catch(Exception e) {
System.out.println(e);
}
} 

public void graphicsGeneration(int h1,int h2,int h3,int h4,int h5) {

final int X=10;
int imageWidth = 800;//圖片的寬度
int imageHeight =900;//圖片的高度 
int columnWidth=70;//柱的寬度
int columnHeight=800;//柱的最大高度

ChartGraphics chartGraphics = new ChartGraphics(); 
chartGraphics.image = new BufferedImage(imageWidth, imageHeight, BufferedImage.TYPE_INT_RGB); 
Graphics graphics = chartGraphics.image.getGraphics();
graphics.setColor(Color.white);
graphics.fillRect(0,0,imageWidth,imageHeight); 
graphics.setColor(Color.black);
//graphics.setXORMode(Color.blue);
graphics.drawLine(columnWidth+X,columnHeight-h5-50,columnWidth+X,columnHeight);//Y軸
graphics.drawLine(columnWidth+X,columnHeight-h5-50,columnWidth+X-10,columnHeight-h5-40);//Y軸箭頭左
graphics.drawLine(columnWidth+X,columnHeight-h5-50,columnWidth+X+10,columnHeight-h5-40);//Y軸箭頭右
graphics.drawLine(750,columnHeight,columnWidth+X,columnHeight);//X軸
graphics.drawLine(750,columnHeight,740,columnHeight-10);//X軸
graphics.drawLine(750,columnHeight,740,columnHeight+10);//X軸
graphics.setColor(Color.yellow);
graphics.fillRect(X+1*columnWidth+10, columnHeight-h1, columnWidth, h1);
graphics.fillRect(X+2*columnWidth+20, columnHeight-h2, columnWidth, h2);
graphics.fillRect(X+3*columnWidth+30, columnHeight-h3, columnWidth, h3); 
graphics.fillRect(X+4*columnWidth+40, columnHeight-h4, columnWidth, h4);
graphics.fillRect(X+5*columnWidth+50, columnHeight-h5, columnWidth, h5);
//graphics.drawString()
chartGraphics.createImage("D:\\leaderquery\\leaderqueryWeb\\web800\\images\\chart.jpg");
} 
}