Java - 设置 JLabel 的宽度/高度

Question

我正在将图像添加到 JLabel 中并尝试设置宽度和高度......但它不起作用......帮助？

正如你在这里看到的......瓷砖不是32乘32......



代码:

import java.applet.Applet;
import java.awt.*;
import javax.swing.*;
import java.lang.*;
import java.util.*;

public class LayoutExample extends JApplet {

    Label msgL = new Label("Messages");
    Label statusL = new Label("Status");
    Label inventoryTitleL = new Label("Your Inventory");
    Label idL = new Label("Name, Stats");
    Label messageInL = new Label("read message here");
    Label messageOutL = new Label("type message here");
    JLabel label2;
    JPanel topP;
    JPanel topRightP;
    JPanel gameGridP;
    JPanel inventoryP;
    JPanel inventoryTitleP;
    JPanel inventoryGridP;
    JPanel idP;
    JPanel messageInP;
    JPanel messageOutP;
    JButton slot;
    TextArea chat;
    TextField msg;

    /** Game variables **/
    Image[] tiles;
    Image[] weapon;
    Image player; // player image
    int x, y, px, py, tx, ty; // x tile - y tile // player x - player y // tile x - tile y
    boolean left, right, down, up, canMove, respawn;
    boolean drawFlail, drawBattleaxe;
    public static int[][] board;
    final int NUM_TILES = 522;
    final int NUM_WEAPS = 2;
    boolean[] weaponPicked;
    Label lx, ly; // to see where we are!
    int r1, r2, u1,u2,l1,l2,d1,d2, spawnX, spawnY;
    int rightSide = 480;
    int downSide = 320;
    int mapX = 15;
    int mapY = 10;
    String txtLastFX, txtLastFY;
    boolean boolRC, boolLC, boolUC, boolDC;
    int leftMap, upMap, rightMap, downMap, currentMap, map;
    public static TextArea c = new TextArea();
    public static TextArea stats = new TextArea();
    public static String newline;
    public static java.awt.List list;

    public static Font TimesR = new Font("MonoSpaced", Font.BOLD, 15);
    public static ArrayList<String> arr;
    public static tileGen anItem;
    public static boolean firstpush = false;
    String name, desc, typeOf, attackAdd, defenseAdd, canSell, canEat,earnedCoins,canEquip;
    public static int blkStr;


    int lastX, lastY, row, col;
    Label lbl1, lbl2, p1, p2, lblRC;

        String username;
    int attack, defense, gold, level, exp;

    public void init() {

        setMinimumSize(new Dimension(840,520));

        tiles = new Image[522];
        for(int i = 0;i < 522;i++) {
        tiles[i] = getImage(getClass().getResource(String.format("line_tile/t%d.png", i)));
        }

board = loadBoard(1);

        GridLayout frameGL = new GridLayout(3,2);

        frameGL.setVgap(0);
        frameGL.setHgap(0);

        //setLayout(new GridLayout(3,1));
        setLayout(frameGL);


        topP = new JPanel(new GridLayout(1,2));
        //topP.setBounds(0,0,640,520);
        topP.setMinimumSize(new Dimension(840,520));
        topP.setSize(new Dimension(840,520));
        GridLayout gameGridGL = new GridLayout(15,10);
        gameGridGL.setVgap(0);
        gameGridGL.setHgap(0);
        gameGridP = new JPanel(gameGridGL);

        gameGridP.setPreferredSize(new Dimension(580,320));



        topP.add(gameGridP);

        topRightP = new JPanel(new GridLayout(2,1));
        inventoryP = new JPanel(new GridLayout(2,1));
        inventoryTitleP = new JPanel(new FlowLayout());
        inventoryTitleP.setBounds(480,0,160,30);
        inventoryGridP = new JPanel(new GridLayout(5,4));
        //inventoryGridP.setBounds(480,0,160,128);
        //inventoryGridP.setHeight("160px");
        inventoryGridP.setPreferredSize(new Dimension(100,128));
        idP = new JPanel(new GridLayout(3,1));

        messageInP = new JPanel(new FlowLayout());
        messageOutP = new JPanel(new FlowLayout());

        chat = new TextArea(10,50);
        msg = new TextField(50);


        inventoryTitleP.add(inventoryTitleL);
        inventoryP.add(inventoryTitleP);

        topP.add(inventoryGridP);
        inventoryP.add(inventoryTitleP);
        inventoryP.add(inventoryGridP);
        topRightP.add(inventoryP);

        for (int number = 1; number <= 20; number++) {
        inventoryGridP.add(slot = new JButton("Slot " + number));
        }

        idP.add(idL);
        topRightP.add(idP);
        topP.add(topRightP);

        add(topP);

        messageOutP.add(chat);
        messageOutP.setSize(640,20);
        //add(messageOutP);

        messageInP.add(msg);
        messageInP.setSize(150,640);
        //add(messageInP);

        player = getImage(getClass().getResource("me.gif")); // our player

    }

private static final HashSet<Integer> BLOCKED_TILES = new HashSet<Integer>();
static {

BLOCKED_TILES.add(118);
BLOCKED_TILES.add(67);
BLOCKED_TILES.add(190);
BLOCKED_TILES.add(40);
BLOCKED_TILES.add(135);
BLOCKED_TILES.add(520);
BLOCKED_TILES.add(25);
BLOCKED_TILES.add(91);
BLOCKED_TILES.add(394);
BLOCKED_TILES.add(1);
BLOCKED_TILES.add(121);
//add more tiles here
}


    public void stop() {
    }

    public void paint(Graphics g) {



        for (row = 0; row < board.length; row++) {
        for (col = 0; col < board[row].length; col++) {
        int index = board[row][col];
        Icon newTile = new ImageIcon(tiles[index]);
        label2 = new JLabel(newTile);



    //g.drawImage(tiles[index], 32 * col, 32 * row, this);
        gameGridP.add(label2);
        System.out.println(row + " " + col);
        }
        }
    }

    public void update(Graphics g)
    {
    paint(g);
    }

    public int[][] loadBoard(int map) {
        if (map == 1) {
     return new int[][] {
    { 118, 118, 118, 118, 34, 343, 67, 1, 1, 1, 1, 1, 1, 1, 343, 343
     },
    { 118, 118, 118, 118, 34, 343, 1, 1, 1, 1, 7, 40, 7, 1, 343, 343
     },
    { 118, 118, 34, 34, 34, 34, 135, 167, 167, 1, 167, 167, 167, 1, 343, 343
     },
    { 118, 118, 34, 343, 343, 343, 1, 167, 167, 167, 167, 167, 167, 1, 343, 343
     },
    { 118, 67, 34, 343, 343, 343, 1, 1, 1, 1, 1, 1, 1, 1, 343, 343
     },
    { 118, 67, 34, 343, 394, 343, 1, 167, 167, 167, 167, 167, 167, 1, 343, 343
     },
    { 67, 67, 34, 343, 343, 343, 1, 167, 167, 167, 167, 167, 167, 1, 343, 343
     },
    { 34, 34, 34, 34, 34, 343, 1, 1, 167, 167, 167, 167, 167, 1, 343, 343
     },
    { 67, 121, 121, 67, 34, 343, 70, 1, 439, 25, 91, 25, 439, 1, 343, 343
     },
    { 118, 190, 190, 67, 34, 343, 343, 343, 343, 343, 34, 343, 343, 343, 343, 520
     },
    { 118, 190, 190, 67, 34, 34, 34, 34, 34, 34, 34, 520, 520, 520, 520, 520
     }
    };
     }else if (map == 4) {

      return new int[][] {

    { 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 67, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 67, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 67, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 67, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 67, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 67, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 67, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 67, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 67, 343
     },
    { 343, 67, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 67, 343
     },
    { 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343
     }
    };

     }else if (map == 2) {

      return new int[][] {

    { 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 67, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 67, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 67, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 67, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 67, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 67, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 67, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 67, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 67, 343
     },
    { 343, 67, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 67, 67
     },
    { 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 67
     }
    };

     }else if (map == 3) {

      return new int[][] {

    { 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 124, 343
     },
    { 343, 118, 343, 118, 343, 118, 118, 118, 343, 118, 343, 343, 118, 343, 124, 343
     },
    { 343, 118, 343, 118, 343, 118, 343, 343, 343, 118, 343, 343, 118, 343, 124, 343
     },
    { 343, 118, 118, 118, 343, 118, 118, 343, 343, 118, 343, 343, 118, 343, 343, 124
     },
    { 343, 118, 343, 118, 343, 118, 343, 343, 343, 118, 343, 343, 118, 343, 343, 124
     },
    { 343, 118, 343, 118, 343, 118, 118, 118, 343, 118, 118, 343, 118, 118, 343, 124
     },
    { 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 124
     },
    { 343, 121, 343, 121, 121, 343, 121, 121, 121, 343, 121, 121, 121, 343, 343, 124
     },
    { 343, 121, 343, 121, 343, 343, 121, 343, 121, 121, 121, 343, 121, 343, 343, 124
     },
    { 343, 121, 343, 343, 121, 343, 121, 343, 121, 343, 121, 343, 121, 343, 343, 124
     },
    { 343, 121, 343, 121, 121, 343, 121, 121, 121, 121, 121, 121, 124, 124, 124, 124
     }
    };
     }else if (map == 5) {

      return new int[][] {

    { 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 343
     },
    { 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 133, 133, 133, 133, 343, 343, 343, 1, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 133, 167, 167, 133, 343, 343, 1, 1, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 133, 167, 167, 133, 343, 1, 343, 1, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 133, 167, 167, 133, 343, 1, 343, 1, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 133, 167, 167, 133, 343, 1, 1, 1, 1, 343, 343, 343, 343, 343, 343
     },
    { 343, 133, 133, 140, 133, 343, 343, 343, 1, 343, 343, 343, 343, 343, 343, 343
     },
    { 343, 343, 343, 343, 343, 343, 343, 343, 1, 343, 343, 343, 343, 343, 1, 1
     },
    { 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 1, 1
     }
    };

     }

    return board;
    }


    public boolean blocked(int tx, int ty) {
    return BLOCKED_TILES.contains(board[ty][tx]);
}

}

Answer 1

一般可以调用label.setMinimumSize(new Dimension(width, height))使某物被强制成一定的大小。不确定您要在这里做什么 - 您的 SSCCE 并非全部 short .