package wbmp;import java.io.*;/** * Encodes and saves a WBMP file. * Copyright (c) 2003 * @author Mark Busman * @version 1.0 * * For License and contact information see WBMPEditor.java */public class Encoder {  private int theMatrix[][];  /** Constructor - constructs a new Encoder object.  Converts the 2D ColorMatrix  into a 1D hexadecimal stream.  @param int Width  @param int Height  @param int[][] ColorMatrix  @param String fileName  */  public Encoder(int width, int height, int matrix[][], String fName) {    int bytes = width / 8;  // bytes to a line    int rem = width % 8;    // remainder from devision    // Determine how many bytes to a line    if (width < 8)      bytes = 1;    else {      if (rem > 0)        bytes++;    }    // Create the final matrix and initialize it to 0    theMatrix = new int[bytes * 8][height];    for (int h = 0; h < height; h++) {      for (int w = 0; w < bytes * 8; w ++) {        theMatrix[w][h] = 0; //populate matrix with appropriate value      }    }    // copy the old values from the original matrix into the final matrix    for (int h = 0; h < height; h++) {      for (int w = 0; w < width; w ++) {        theMatrix[w][h] = matrix[w][h];      }    }    // Create the output stream, in integers    int index = 0;    int byteArray[] = new int[bytes * height];    for (int h = 0; h < height; h++) {      for (int b = 0; b < bytes; b++) {        int value = 256;        int sum = 0;          for (int w = b * 8; w < 8 * b + 8; w++) {            value = value / 2;            if (theMatrix[w][h] == 1)              sum = sum + value;          }      byteArray[index] = sum;      index++;      }    }    WriteFile(fName, byteArray, width, height, bytes * height);  }  /** Writes the WBMP file to disk.  @param String fileName  @param int[] Data  @param int Width  @param int Height  @param int DataSize.  */  private void WriteFile(String fileName, int data[], int width, int height, int ArraySize) {    FileOutputStream fos = null;    try {      FileOutputStream DataOut = new FileOutputStream(fileName);      // write the initialization      DataOut.write(0);      DataOut.write(0);      DataOut.write(width);      DataOut.write(height);      // write the data      for (int c = 0; c < ArraySize; c++)        DataOut.write(data[c]);      DataOut.close();    }    catch (IOException e) {    }  }}