[java] View plain copy printing?
Package cn.edu.ouc.five chess;
Import java.awt.color;
Import java.awt.cursor;
Import java.awt.dimension;
Import java.awt.graphics;
Import java.awt.graphics2d;
Import java.awt.image;
Import java.awt.radial gradientpin;
Import java.awt.renderinghints;
Import java.awt.toolkit;
Import java.awt.event.mouseevent;
Import java.awt.event.mouselistener;
Import java.awt.event.mousemotionlistener;
Import java.awt.geom.ellipse2d;
Import javax.swing. *;
/**
* Gobang-Chessboard
*/
The common chessboard extension JPanel realizes MouseListener {
Public static final int MARGIN = 30// margin
public static final int GRID _ SPAN = 35； //Grid spacing
Public static final int rows =15; //Number of chessboard rows
Public static final int cols =15; //Number of chessboard columns
Point[]chess list = new point [(rows+1) * (cols+1)]; //Initially, each array element is empty.
Boolean isBlack = true// The default start is black.
Boolean gameOver = false// Is the game over?
Intchescount//Current number of chessboards
Int xIndex, yIndex// The index of the chess piece that has just been placed.
Image img
Image shadow;
Color colortemp
Public chessboard () {
//set background(color . blue)； //Set the background color to orange.
img=Toolkit.getDefaultToolkit()。 getImage(" board . jpg ")；
shadows = toolkit . getdefaulttoolkit()。 getImage(" shadows . jpg ")；
addmouse listener(this)；
addMouseMotionListener(new MouseMotionListener(){
public void mouse dragged(mouse event e){
}
public void mouse moved(mouse event e){
int x 1 =(e . getx()-MARGIN+GRID _ SPAN/2)/GRID _ SPAN；
//Convert the coordinate position clicked by the mouse into a grid index.
int y 1 =(e . gety()-MARGIN+GRID _ SPAN/2)/GRID _ SPAN；
//The game is over and you can't get off.
//If you fall off the board, you can't get off.
//Chess pieces already exist at X and Y positions, and cannot be removed.
if(x 1 & lt； 0 | | x 1 & gt； ROWS | | y 1 & lt； 0 | | y 1 & gt； COLS | | game over | | find chess(x 1，y 1))
SetCursor (new cursor). DEFAULT _ cursor));
//Set to the default state
Else setCursor (new cursor (cursor. Hand _ cursor));
}
});
}
//draw
public void paint component(Graphics g){
super . paint component(g)； //Draw a chessboard
int img width = img . getwidth(this)；
int img height = img . get height(this)； //Get the width and height of the picture.
int FWidth = getWidth()；
int FH height = getHeight()； //Get the width and height of the window.
int x =(FWidth-img width)/2；
int y =(FH height-img height)/2；
g.drawImage(img，x，y，null)；
for(int I = 0； I<= OK; I++){// Draw a horizontal line.
g.drawLine(MARGIN，MARGIN+i*GRID_SPAN，MARGIN+COLS*GRID_SPAN，MARGIN+I * GRID _ SPAN)；
}
for(int I = 0； I<= COLSI++){// Draw a vertical line.
g.drawLine(MARGIN+i*GRID_SPAN，MARGIN，MARGIN+i*GRID_SPAN，MARGIN+ROWS * GRID _ SPAN)；
}
//Draw chess pieces
for(int I = 0； Me & LTCHESSOUNTI++) {
//grid intersection x, y coordinates
int xPos=chessList[i]。 getX()* GRID _ SPAN+MARGIN；
int yPos=chessList[i]。 getY()* GRID _ SPAN+MARGIN；
g.setColor(chessList[i].getColor())； //Set the color
// g.fillOval(xPos-Point。 Diameter /2, yPos-Point.DIAMETER/2,
//point. Diameter, point. Diameter);
//g.drawImage (shadow, xPos-Point.DIAMETER/2, yPos-Point.DIAMETER/2, point. Diameter, point. Diameter, empty);
colortemp=chessList[i]。 getColor()；
if(colortemp==Color.black){
radial gradient paint paint = new radial gradient paint(xPos-Point。 Diameter /2+25, yPos-Point.DIAMETER/2+10,20, new floating []{0f, 1f}
, new color [] {color. White, color. Black});
((Graphics2D) g)。 SetPaint;
((Graphics2D) g)。 setRenderingHint(rendering hints。 KEY _ antialiasing, rendering hints. VALUE _ ANTIALIAS _ ON)；
((Graphics2D) g)。 setRenderingHint(rendering hints。 KEY _ ALPHA _ interpolation, rendering hints. VALUE _ ALPHA _ interpolation _ default);
}
else if(color temp = = color . white){
radial gradient paint paint = new radial gradient paint(xPos-Point。 Diameter /2+25, yPos-Point.DIAMETER/2+10,70, newly floating []{0f, 1f}
, new color [] {color. White, color. Black});
((Graphics2D) g)。 SetPaint;
((Graphics2D) g)。 setRenderingHint(rendering hints。 KEY _ antialiasing, rendering hints. VALUE _ ANTIALIAS _ ON)；
((Graphics2D) g)。 setRenderingHint(rendering hints。 KEY _ ALPHA _ interpolation, rendering hints. VALUE _ ALPHA _ interpolation _ default);
}
Ellipse2D e = new Ellipse2D。 Floating-point (xPos-Point. Diameter /2, yPos-Point.DIAMETER/2, 34, 35);
((Graphics2D) g)。 Fill (e);
//Mark the red rectangular box of the last chess piece.
If(i==chessCount- 1){// If it is the last chess piece,
g . set color(color . red)；
g.drawRect(xPos-Point。 Diameter /2, yPos-Point.DIAMETER/2,
34, 35);
}
}
}
Public void mouse pressed (mouse event e) {//Called when the mouse is pressed on the component.
//Game over, no more downloads.
If(gameOver) returns;
String colorName=isBlack？ "black chess": "white chess";
//Convert the coordinate position clicked by the mouse into a grid index.
xIndex =(e . getx()-MARGIN+GRID _ SPAN/2)/GRID _ SPAN；
yIndex =(e . gety()-MARGIN+GRID _ SPAN/2)/GRID _ SPAN；
//If you fall off the board, you can't get off.
if(xIndex & lt； 0 ||| Xindex & gt line number ||| y index & lt0 ||| y index & gt cols)
Return;
//If a chess piece already exists in the X and Y positions, it cannot be removed.
If(findChess(xIndex, yIndex)) returns;
//Processing that can be completed in progress
Point ch = new point (xIndex, yIndex, isBlack? Color.black: color. white);
chess list[ches count++]= ch；
repaint()； //Notify the system to repaint.
//If you win, you will be prompted. You can't continue playing chess.
if(isWin()){
String msg=String.format ("Congratulations, %s won!" ，color name)；
joptionpane . showmessagedialog(this，msg)；
gameOver = true
}
isBlack=！ isBlack
}
//Override the method of mouseListener
public void mouse clicked(mouse event e){
//Called when the mouse button is clicked on the component.
}
public void mouse enter(mouse event e){
//Called when the mouse enters the component.
}
public void mouse exited(mouse event e){
//Called when the mouse leaves the component.
}
public void mouse released(mouse event e){
//Called when the mouse button is released on the component.
}
//Find out whether there is a chess piece with index x, y in the chess piece array.
private boolean findChess(int x，int y){
For (point c: chessList){
If (c! = null & amp& ampgetx()= = x & amp； & ampc.getY()==y)
Return true
}
Returns false
}
Private Boolean value isWin(){
int continue count = 1； //Number of consecutive fragments
//Look horizontally to the west
for(int x = xIndex- 1； x & gt=0; x - ){
Color c=isBlack？ Color. Black: color. White;
if(getChess(x，yIndex，c)！ =null){
continue count++；
} Otherwise,
Break;
}
//Look east horizontally
for(int x = xIndex+ 1； x & lt= COLSx++){
Color c=isBlack？ Color. Black: color. White;
if(getChess(x，yIndex，c)！ =null){
continue count++；
} Otherwise,
Break;
}
if(continue count & gt； =5){
Return true
} Otherwise,
continue count = 1；
//Continue another vertical search.
//Search up
for(int y = yIndex- 1； y & gt=0; y - ){
Color c=isBlack？ Color. Black: color. White;
if(getChess(xIndex，y，c)！ =null){
continue count++；
} Otherwise,
Break;
}
//Look down vertically
for(int y = yIndex+ 1； Y<= line; y++){
Color c=isBlack？ Color. Black: color. White;
if(getChess(xIndex，y，c)！ = empty)
continue count++；
other
Break;
}
if(continue count & gt； =5)
Return true
other
continue count = 1；
//Continue the search in another case: diagonal.
//Looking for the Northeast
for(int x=xIndex+ 1，y = yIndex- 1； y & gt= 0 & amp& ampx & lt= COLSx++，y - ){
Color c=isBlack？ Color. Black: color. White;
if(getChess(x，y，c)！ =null){
continue count++；
}
else break
}
//looking for the southwest
for(int x=xIndex- 1，y = yIndex+ 1； X>= 0 & amp& ampy & lt=; lt = line; x -，y++){
Color c=isBlack？ Color. Black: color. White;
if(getChess(x，y，c)！ =null){
continue count++；
}
else break
}
if(continue count & gt； =5)
Return true
Otherwise continue count =1;
//Continue the search in another case: diagonal.
//looking for the northwest
for(int x=xIndex- 1，y = yIndex- 1； x & gt= 0 & amp& ampy & gt=0; x -，y - ){
Color c=isBlack？ Color. Black: color. White;
if(getChess(x，y，c)！ = empty)
continue count++；
else break
}
//Look for the southeast direction
for(int x=xIndex+ 1，y = yIndex+ 1； X<= COLS & amp& ampy & lt=; lt = line; x++，y++){
Color c=isBlack？ Color. Black: color. White;
if(getChess(x，y，c)！ = empty)
continue count++；
else break
}
if(continue count & gt； =5)
Return true
Otherwise continue count =1;
Returns false
}
GetChess(int xIndex, int yIndex, Color color){
For (point p: chesslist) (
If (p! = null & amp& ampp . getx()= xIndex & amp； & ampp.getY()==yIndex
& amp& ampp.getColor()==color)
Return p;
}
Returns null
}
public void restartGame(){
//Clear chess pieces
for(int I = 0； I< chesslist. length; i++){
chess list[I]= null；
}
//Restore game-related variable values
isBlack = true
GameOver = false// Is the game over?
ches count = 0； //The current number of chessboards
repaint()；
}
//regret chess
Public void goback(){
if(chessCount==0)
Return;
chess list[chess count- 1]= null；
ches count-；
if(ches count & gt； 0){
xIndex = chess list[chess count- 1]。 getX()；
yIndex = chess list[chess count- 1]。 getY()；
}
isBlack=！ isBlack
repaint()；
}
//Rectangular dimension
Public dimension getPreferredSize(){
Returns the new dimension (MARGIN*2+GRID_SPAN*COLS, MARGIN*2
+GRID _ SPAN * ROWS)；
}
}