import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Random;
import javax.imageio.ImageIO;
public class ValidateCode {
private int width = 160;
private int height = 40;
private int codeCount = 5;
private int lineCount = 150;
private String code = null;
private BufferedImage buffImg = null;
private char[] codeSequence = new char[]{'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '1', '2', '3', '4', '5', '6', '7', '8', '9'};
public ValidateCode() {
this.createCode();
}
public ValidateCode(int width, int height) {
this.width = width;
this.height = height;
this.createCode();
}
public ValidateCode(int width, int height, int codeCount, int lineCount) {
this.width = width;
this.height = height;
this.codeCount = codeCount;
this.lineCount = lineCount;
this.createCode();
}
public void createCode() {
int x = false;
int fontHeight = false;
int codeY = false;
int red = false;
int green = false;
int blue = false;
int x = this.width / (this.codeCount + 2);
int fontHeight = this.height - 2;
int codeY = this.height - 4;
this.buffImg = new BufferedImage(this.width, this.height, 1);
Graphics2D g = this.buffImg.createGraphics();
Random random = new Random();
g.setColor(Color.WHITE);
g.fillRect(0, 0, this.width, this.height);
ImgFontByte imgFont = new ImgFontByte();
Font font = imgFont.getFont(fontHeight);
g.setFont(font);
int i;
int red;
int green;
int blue;
for(int i = 0; i < this.lineCount; ++i) {
i = random.nextInt(this.width);
int ys = random.nextInt(this.height);
int xe = i + random.nextInt(this.width / 8);
int ye = ys + random.nextInt(this.height / 8);
red = random.nextInt(255);
green = random.nextInt(255);
blue = random.nextInt(255);
g.setColor(new Color(red, green, blue));
g.drawLine(i, ys, xe, ye);
}
StringBuffer randomCode = new StringBuffer();
for(i = 0; i < this.codeCount; ++i) {
String strRand = String.valueOf(this.codeSequence[random.nextInt(this.codeSequence.length)]);
red = random.nextInt(255);
green = random.nextInt(255);
blue = random.nextInt(255);
g.setColor(new Color(red, green, blue));
g.drawString(strRand, (i + 1) * x, codeY);
randomCode.append(strRand);
}
this.code = randomCode.toString();
}