对于那些真正看过我的帖子的人,我的代码已经很好地发展到现在我可以按我想要的方式显示我的精灵表。这里是我的代码:添加滚动条和图像调整大小问题
import java.awt.Graphics;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import javax.imageio.ImageIO;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.ScrollPaneConstants;
public class AnimTest
{
public static void main(String[] args)
{
AnimTest test = new AnimTest();
test.go();
}
public void go()
{
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
MyDrawP drawP = new MyDrawP();
frame.getContentPane().add(drawP);
frame.setSize(640,640);
frame.setVisible(true);
frame.setResizable(true);
}
}
class MyDrawP extends JPanel
{
public void paintComponent(Graphics g)
{
super.paintComponent(g);
try {
BufferedImage bigImg = ImageIO.read(new File("C:/Users/scott/Desktop/Personal Work/Pixel Art/terrain.png"));
final int width = 64;
final int height = 64;
final int rows = 5;
final int cols = 16;
final int mapX = 10;
final int mapY = 8;
BufferedImage[][] sprites = new BufferedImage[cols][rows];
for (int i = 0; i < rows; i++)
{
for (int j = 0; j < cols; j++)
{
//System.out.println("J is: " + j);
//System.out.println("I is: " + i);
//System.out.println("i * width is: " + i * width);
//System.out.println("j * height is: " + j * height);
//System.out.println("");
sprites[j][i] = bigImg.getSubimage(j * width, i * height, width, height);
//g.drawImage(sprites[j][i], 5, 5, this);
}
}
for (int i = 0; i < mapX; i++)
{
for (int j = 0; j < mapY; j++)
{
ArrayList<BufferedImage> spriteListRoad = new ArrayList<BufferedImage>();
BufferedImage road4way = sprites[0][0];
spriteListRoad.add(road4way);
BufferedImage roadS = sprites[1][0];
spriteListRoad.add(roadS);
BufferedImage roadV = sprites[2][0];
spriteListRoad.add(roadV);
BufferedImage roadH = sprites[3][0];
spriteListRoad.add(roadH);
BufferedImage roadEndU = sprites[4][0];
spriteListRoad.add(roadEndU);
BufferedImage roadEndL = sprites[5][0];
spriteListRoad.add(roadEndL);
BufferedImage roadEndR = sprites[6][0];
spriteListRoad.add(roadEndR);
BufferedImage roadEndD = sprites[7][0];
spriteListRoad.add(roadEndD);
BufferedImage roadLU = sprites[8][0];
spriteListRoad.add(roadLU);
BufferedImage roadRU = sprites[9][0];
spriteListRoad.add(roadRU);
BufferedImage roadLD = sprites[10][0];
spriteListRoad.add(roadLD);
BufferedImage roadRD = sprites[11][0];
spriteListRoad.add(roadRD);
BufferedImage roadUT = sprites[12][0];
spriteListRoad.add(roadUT);
BufferedImage roadLT = sprites[13][0];
spriteListRoad.add(roadLT);
BufferedImage roadRT = sprites[14][0];
spriteListRoad.add(roadRT);
BufferedImage roadDT = sprites[15][0];
spriteListRoad.add(roadDT);
ArrayList<BufferedImage> spriteListRiver = new ArrayList<BufferedImage>();
BufferedImage riverV = sprites[0][1];
spriteListRiver.add(riverV);
BufferedImage riverH = sprites[1][1];
spriteListRiver.add(riverH);
BufferedImage riverLU = sprites[2][1];
spriteListRiver.add(riverLU);
BufferedImage riverRU = sprites[3][1];
spriteListRiver.add(riverRU);
BufferedImage riverLD = sprites[4][1];
spriteListRiver.add(riverLD);
BufferedImage riverRD = sprites[5][1];
spriteListRiver.add(riverRD);
BufferedImage riverRoadV = sprites[6][1];
spriteListRiver.add(riverRoadV);
BufferedImage riverRoadH = sprites[7][1];
spriteListRiver.add(riverRoadH);
ArrayList<BufferedImage> spriteListTerrain = new ArrayList<BufferedImage>();
BufferedImage grass = sprites[0][2];
spriteListTerrain.add(grass);
BufferedImage trees = sprites[1][2];
spriteListTerrain.add(trees);
BufferedImage mountain = sprites[2][2];
spriteListTerrain.add(mountain);
ArrayList<BufferedImage> spriteListOre = new ArrayList<BufferedImage>();
BufferedImage copper = sprites[0][3];
spriteListOre.add(copper);
BufferedImage dornite = sprites[1][3];
spriteListOre.add(dornite);
BufferedImage kryz = sprites[2][3];
spriteListOre.add(kryz);
BufferedImage iron = sprites[3][3];
spriteListOre.add(iron);
BufferedImage shallux = sprites[4][3];
spriteListOre.add(shallux);
BufferedImage mithril = sprites[5][3];
spriteListOre.add(mithril);
ArrayList<BufferedImage> spriteListWood = new ArrayList<BufferedImage>();
BufferedImage oak = sprites[0][4];
spriteListWood.add(oak);
BufferedImage olive = sprites[1][4];
spriteListWood.add(olive);
BufferedImage rath = sprites[2][4];
spriteListWood.add(rath);
BufferedImage yew = sprites[3][4];
spriteListWood.add(yew);
BufferedImage eeth = sprites[4][4];
spriteListWood.add(eeth);
BufferedImage ebony = sprites[5][4];
spriteListWood.add(ebony);
g.drawImage(spriteListTerrain.get((int) (Math.random() * 3)), i* width, j * height, this); //this one works by itself
}
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
这里是我的问题。为什么当我执行这段代码时,每当我调整窗口大小再重新运行并重新映射我的映射?我认为添加滚动条可能会修复它,但我不知道如何将它们添加进去。我怎样才能阻止它重新循环通过代码每次我调整大小?
谢谢。
好吧,所以我一直在重新编写我的代码来尝试这种方法。除了drawImage从来不知道要绘制什么,因为它看起来不可能将任何东西传递到PaintComponent中,所以我试图从paintComponent中除了drawImage之外的所有东西。 另外,我的地图制作程序的全部内容都是随机地图。如果我摆脱了在绘制代码中的随机性,它绝不会做我想要的。 我的代码很混乱,但是你的建议使得它更没有意义。 – sekimberly52 2012-02-14 15:03:44
甚至超出了所有的东西,你怎么称之为paintComponent方法?它总是抱怨Graphics g没有被定义,但是我敢肯定,在系统刚刚运行该方法并且默认情况下,它永远不能真正定义它。 – sekimberly52 2012-02-14 15:08:28
我假设你有一个名为“createMap”的方法。这应该在缓存的图像上创建随机地图。这个缓冲图像然后被绘制在paintComponent()方法中。如果你想改变地图,那么你需要再次调用“createMap”方法。映射的随机化不应该在paintComponent()方法本身中完成。强制重绘组件的repaint()方法。也许从[自定义绘画方法](http://tips4java.wordpress.com/2009/05/08/custom-painting-approaches/)中的“绘制图像”示例将有助于了解基础知识。 – camickr 2012-02-14 15:58:05