package com.tony.view;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Point;
import java.awt.Robot;
import java.awt.image.BufferedImage;
import java.util.Vector;
import javax.swing.JPanel;
public class DrawComponentPanel extends JPanel {
private int[] xPoints = new int[4];
private int[] yPoints = new int[4];
private Color fillColor;
private Color curColor;
private boolean fill = false;
public DrawComponentPanel() {
xPoints[0] = 0;
xPoints[1] = 0;
xPoints[2] = 0;
xPoints[3] = 0;
yPoints[0] = 0;
yPoints[1] = 0;
yPoints[2] = 0;
yPoints[3] = 0;
}
protected void paintComponent(final Graphics g) {
super.paintComponent(g);
Robot robot = null;
Point p;
try {
robot = new Robot();
} catch (Exception ex) {
ex.printStackTrace();
}
Vector v = new Vector();
int savex = 0, xleft = 0, xright = 0, pflag = 0, xenter = 0, x = 0, y = 0;
p = new Point(xPoints[0] + 1, yPoints[0] + 1);
v.add(0, p); /* 種子壓入堆疊 */
// System.out.println(" " + ((Point) v.get(0)).x);
BufferedImage image = (BufferedImage)this.createImage(700, 700);
Graphics ig = image.getGraphics();
ig.setColor(Color.black);
ig.drawPolygon(xPoints, yPoints, 4);
ig.setColor(fillColor);
g.drawImage(image, 0, 0, null);
while (v.size() != 0 && fill) {
/* 棧頂象素出棧 */
x = ((Point) v.get(0)).x;
y = ((Point) v.get(0)).y;
v.remove(0);
// System.out.println("x:" + x + "y:" + y + "Color.BLack"
// + Color.BLACK.getRGB() + "robot.getPixelColor(x, y).getRGB():" + image.getRGB(x, y));
savex = x; /* 儲存種子坐標x分量的值 */
while (image.getRGB(x, y) != Color.BLACK.getRGB()) {
ig.drawLine(x, y, x, y); /* 填充種子右側的象素 */
x++;
// System.out.println("--------->x" + x);
}
xright = x - 1; /* 得到種子區段的右端點 */
x = savex - 1; /* 準備向種子左側填充 */
System.out.println("--------->0");
while (image.getRGB(x, y) != Color.BLACK.getRGB()) {
ig.drawLine(x, y, x, y); /* 填充種子左側的象素 */
x--;
// System.out.println("--------->x" + x);
}
// System.out.println("--------->1");
xleft = x + 1; /* 得到種子區段的左端點 */
x = xleft;
y = y - 1; /* 考慮種子相鄰的上掃描線 */
while (x <= xright) {
pflag = 0; /* 找到新種子的標誌：0為假；1為真 */
while (image.getRGB(x, y) != Color.BLACK
.getRGB()
&& image.getRGB(x, y) != fillColor
.getRGB() && x < xright) {
if (pflag == 0) {
pflag = 1;
}
x++;
}
// System.out.println("--------->1.1");
if (pflag == 1) {
if ((x == xright)
&& image.getRGB(x, y) != Color.BLACK
.getRGB()
&& image.getRGB(x, y) != fillColor
.getRGB()) {
p = new Point(x, y);
v.add(0, p); // 新區間超過xRight,將代表該區段的象素進棧
} else {
p = new Point(x - 1, y);
v.add(0, p); /* 新區段右端點作為種子進棧 */
}
pflag = 0;
}
// System.out.println("--------->1.2");
xenter = x;
while ((image.getRGB(x, y) == Color.BLACK
.getRGB()
|| image.getRGB(x, y) == fillColor
.getRGB()) && (x < xright)) {
x++;/* 向右跳過分隔帶 */
}
// System.out.println("--------->1.3");
if (xenter == x) {
x++;/* 處理特殊情況,以退出while(x<=xRight)迴圈 */
}
}
// System.out.println("--------->2");
x = xleft;
y = y + 2;/* 檢查相鄰的下掃描線 */
while(x <= xright){
pflag = 0;
while (image.getRGB(x, y) != Color.BLACK
.getRGB()
&& image.getRGB(x, y) != fillColor
.getRGB() && x < xright) {
if (pflag == 0) {
pflag = 1;
}
x++;
}
// System.out.println("--------->2.1");
if (pflag == 1) {
if ((x == xright)
&& image.getRGB(x, y) != Color.BLACK
.getRGB()
&& image.getRGB(x, y) != fillColor
.getRGB()) {
p = new Point(x, y);
v.add(0, p); // 新區間超過xRight,將代表該區段的象素進棧
} else {
p = new Point(x - 1, y);
v.add(0, p); /* 新區段右端點作為種子進棧 */
}
pflag = 0;
}
// System.out.println("--------->2.2");
xenter = x;
while ((image.getRGB(x, y) == Color.BLACK
.getRGB()
|| image.getRGB(x, y) == fillColor
.getRGB()) && (x < xright)) {
x++;/* 向右跳過分隔帶 */
}
// System.out.println("--------->2.3");
if (xenter == x) {
x++;/* 處理特殊情況,以退出while(x<=xRight)迴圈 */
}
// System.out.println("--------->2.4");
}
g.drawImage(image, 0, 0, null);
// System.out.println("--------->3");
// System.out.println("v.size:" + v.size());
}
fill = false;
}
public int[] getXPoints() {
return xPoints;
}
public void setXPoints(int[] points) {
xPoints = points;
}
public int[] getYPoints() {
return yPoints;
}
public void setYPoints(int[] points) {
yPoints = points;
}
public Color getFillColor() {
return fillColor;
}
public void setFillColor(Color fillColor) {
this.fillColor = fillColor;
}
public boolean isFill() {
return fill;
}
public void setFill(boolean fill) {
this.fill = fill;
}
}