我正在尝试制作一个滑块游戏。在这个类中,我使用了 drawImage 方法来显示“拼图”的块,使用 Graphics 对象 g2 的 drawImage 方法。但是在绘画类方法中,我得到了这个错误:找不到符号方法drawImage(SlidingBlockModel,int,int,int,int,)。有什么建议么?感谢您花时间阅读本文。先感谢您。:)
佐伊
代码如下:
import java.awt.*;
import java.awt.geom.*;
import javax.swing.*;
import java.awt.event.MouseListener;
import java.awt.event.MouseEvent;
import java.awt.image.*;
import java.awt.Graphics.*;
class SlidingBlockPanel extends JPanel implements MouseListener
{
int numCols;
int numRows;
SlidingBlockModel SBModel;
public static void main(String[] args)
{
SlidingBlockFrame w = new SlidingBlockFrame();
w.setVisible(true);
}
public SlidingBlockPanel(int nc, int nr)
{
numCols = nc;
numRows = nr;
addMouseListener(this);
SBModel= new SlidingBlockModel(numCols, numRows, "puzzle.jpg");
}
int getCol(int x)
{
return x*numCols/getWidth();
}
int getRow(int y)
{
return y*numRows/getHeight();
}
public void mouseReleased(MouseEvent event)
{
}
public void mousePressed(MouseEvent event)
{
}
public void mouseClicked(MouseEvent event)
{
int thisCol = getCol(event.getX());
System.out.println
("you clicked in column " + thisCol);
}
public void mouseEntered(MouseEvent event)
{
}
public void mouseExited(MouseEvent event)
{
}
Rectangle getRect(int thisCol, int thisRow)
{
// if input is out of range, return "null"
if(thisCol <0 || thisRow < 0)
return null;
if(thisCol>=numCols || thisRow>=numRows)
return null;
// otherwise, make and return the Rectangle
int w = getWidth()/numCols;
int h = getHeight()/numRows;
int x = thisCol*w;
int y = thisRow*h;
Rectangle myRect = new Rectangle(x,y,w,h);
return myRect;
}
public void paint(Graphics g)
{
g.setColor(Color.gray);
g.fillRect(0,0,getWidth(), getHeight());
g.setColor(Color.black);
Graphics2D g2 = (Graphics2D)g;
// we'll use Graphics2D for it's "drawImage" method this time
for (int i = 0;i<numCols;i++)
{
for(int j = 0;j<numRows;j++)
{
SBModel.getSubimage(i, j);
Rectangle r = getRect(i, j);
g2.drawImage(SBModel,r.x,r.y,r.width,r.height,null);
}
}
}
}