wapimage.java

WAP ide 代码

package wbmp;

import javax.swing.JComponent;
import javax.swing.*;
import java.awt.*;
import java.awt.image.*;
import java.awt.event.*;
import java.io.*;


/**
 * Title:        WAPImage
 * Description:  A class representing a WAPImage.
 * Copyright:    Copyright (c) 2003
 * Company:
 * @author Mark Busman
 * @version 1.0
 *
 * For License and contact information see WBMPEditor.java
 */

public class WAPImage implements Icon {

  int width, height;
  int matrix[][];
  Color background;
  static Color foreground = new Color(0, 0, 0);
  boolean loadedImage = false;

  public WAPImage() {
    width = 33;
    height = 23;
  }

  public WAPImage(String fname) {
    try {
      if (fname.equals("")) {
        loadedImage = false;
      }
      else {
        Decoder decoder = new Decoder(fname);
        loadedImage = true;
        width = decoder.getWidth();
        height = decoder.getHeight();
        matrix = decoder.getMatrix();
      }
    }
    catch (StringIndexOutOfBoundsException strerr) {
      loadedImage = false;
    }
  }

  public void setImage(String fname) {
    Decoder decoder = new Decoder(fname);
    loadedImage = true;
    width = decoder.getWidth();
    height = decoder.getHeight();
    matrix = decoder.getMatrix();
  }

  public int getIconHeight() {
    return height;
  }

  public int getIconWidth() {
    return width;
  }

  public int[][] getMatrix() {
    return matrix;
  }

  public boolean getImageLoaded() {
    return loadedImage;
  }

  /** Performs the actual drawing on the component.
  * @param Graphics g - thegraphics context
  */
  public void paintIcon(Component c, Graphics g, int lx, int ly) {

    //JLabel l = (JLabel) c;
    //Color background = l.getBackground();

    //g.setColor(background);
    //g.fillRect(lx, ly, width, height);

    if (!loadedImage) {
      //g.setColor(Color.black);
      //g.setFont(new Font("custom", Font.PLAIN, 10));
      //g.drawString("None", lx + 3, ly + 13);
      ImageIcon i = new ImageIcon(wbmp.WBMPEditorFrame.class.getResource("imgTag.gif"));
      g.drawImage(i.getImage(), lx, ly, c);
      return;
    }

    for (int x = 0; x < width; x++) {
      for (int y = 0; y < height; y++) {
        if (matrix[x][y] == 1) {
          //g.setColor(background);
        }
        else {
          g.setColor(foreground);
          g.drawRect(lx + x, ly + y, 1, 1);
          g.fillRect(lx + x, ly + y, 1, 1);
        }
      }
    }
  }

  public Image getMemoryImage() {

    // use memoryimagesource to recreate an image
    // use matrix
    //int[] pix = new int[1];
    //pix[1] = 0;
    if (loadedImage) {
      int width = getIconWidth();
      int height = getIconHeight();
      int pos = -1;
      int[] pix = new int[width * height];
      for (int x = 0; x < width; x++) {
        for (int y = 0; y < height; y++) {
          pos++;
          if (matrix[x][y] == 1) {
            int alpha = 0;
            alpha <<= 24;
            pix[pos] = 0 << 31;
          }
          else {
            pix[pos] = 255 << 24;
          }
        }
      }
      return Toolkit.getDefaultToolkit().createImage(new MemoryImageSource(width, height, pix, 0, width));
    }
    ImageIcon i = new ImageIcon(wbmp.WBMPEditorFrame.class.getResource("imgTag.gif"));
    return i.getImage();
  }
}