用于表示五子棋中的棋子

src/chess.java

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+package impl;
+
+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.RadialGradientPaint;
+import java.awt.RenderingHints;
+
+public class Chess {
+    Chessboard cp; 	//棋盘
+    int row;		//横坐标
+    int col;		//纵坐标
+    Color color;	//棋子颜色
+
+    public Color getColor() {
+        return color;
+    }
+
+    public void setColor(Color color) {
+        this.color = color;
+    }
+
+    public int getRow() {
+        return row;
+    }
+
+    public void setRow(int row) {
+        this.row = row;
+    }
+
+    public int getCol() {
+        return col;
+    }
+
+    public void setCol(int col) {
+        this.col = col;
+    }
+
+    public static final int BANJING = 18;
+
+    public Chess(Chessboard cp, int col, int row, Color color) {
+        this.cp = cp;
+        this.col = col;
+        this.row = row;
+        this.color = color;
+    }
+
+    //画棋子
+    public void draw(Graphics g) {
+        //定义棋子圆心
+        int xPos = col * 20 + 15;
+        int yPos = row * 20 + 15;
+
+        Graphics2D g2d = (Graphics2D) g;
+
+        RadialGradientPaint paint = null;
+        Color[] c = { Color.WHITE, Color.BLACK };
+        float[] f = { 0f, 1f };
+        int x = xPos + 3;
+        int y = yPos - 3;
+        if (color == Color.WHITE) {
+            paint = new RadialGradientPaint(x, y, BANJING * 3, f, c);
+        } else {
+            paint = new RadialGradientPaint(x, y, BANJING, f, c);
+        }
+        g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+        g2d.setPaint(paint);
+        g2d.fillOval(xPos - BANJING / 2, yPos - BANJING / 2, BANJING, BANJING);
+    }
+}
+
+