Exemplo n.º 1
0
  void write16BitImage(OutputStream out, short[] pixels) throws IOException {
    long bytesWritten = 0L;
    long size = 2L * fi.width * fi.height;
    int count = 8192;
    byte[] buffer = new byte[count];

    while (bytesWritten < size) {
      if ((bytesWritten + count) > size) count = (int) (size - bytesWritten);
      int j = (int) (bytesWritten / 2L);
      int value;
      if (fi.intelByteOrder)
        for (int i = 0; i < count; i += 2) {
          value = pixels[j];
          buffer[i] = (byte) value;
          buffer[i + 1] = (byte) (value >>> 8);
          j++;
        }
      else
        for (int i = 0; i < count; i += 2) {
          value = pixels[j];
          buffer[i] = (byte) (value >>> 8);
          buffer[i + 1] = (byte) value;
          j++;
        }
      out.write(buffer, 0, count);
      bytesWritten += count;
      showProgress((double) bytesWritten / size);
    }
  }
Exemplo n.º 2
0
  void writeFloatImage(OutputStream out, float[] pixels) throws IOException {
    long bytesWritten = 0L;
    long size = 4L * fi.width * fi.height;
    int count = 8192;
    byte[] buffer = new byte[count];
    int tmp;

    while (bytesWritten < size) {
      if ((bytesWritten + count) > size) count = (int) (size - bytesWritten);
      int j = (int) (bytesWritten / 4L);
      if (fi.intelByteOrder)
        for (int i = 0; i < count; i += 4) {
          tmp = Float.floatToRawIntBits(pixels[j]);
          buffer[i] = (byte) tmp;
          buffer[i + 1] = (byte) (tmp >> 8);
          buffer[i + 2] = (byte) (tmp >> 16);
          buffer[i + 3] = (byte) (tmp >> 24);
          j++;
        }
      else
        for (int i = 0; i < count; i += 4) {
          tmp = Float.floatToRawIntBits(pixels[j]);
          buffer[i] = (byte) (tmp >> 24);
          buffer[i + 1] = (byte) (tmp >> 16);
          buffer[i + 2] = (byte) (tmp >> 8);
          buffer[i + 3] = (byte) tmp;
          j++;
        }
      out.write(buffer, 0, count);
      bytesWritten += count;
      showProgress((double) bytesWritten / size);
    }
  }
Exemplo n.º 3
0
 void write8BitImage(OutputStream out, byte[] pixels) throws IOException {
   int bytesWritten = 0;
   int size = fi.width * fi.height;
   int count = 8192;
   while (bytesWritten < size) {
     if ((bytesWritten + count) > size) count = size - bytesWritten;
     // System.out.println(bytesWritten + " " + count + " " + size);
     out.write(pixels, bytesWritten, count);
     bytesWritten += count;
     showProgress((double) bytesWritten / size);
   }
 }
Exemplo n.º 4
0
 void writeRGBImage(OutputStream out, int[] pixels) throws IOException {
   long bytesWritten = 0L;
   long size = 3L * fi.width * fi.height;
   int count = fi.width * 24;
   byte[] buffer = new byte[count];
   while (bytesWritten < size) {
     if ((bytesWritten + count) > size) count = (int) (size - bytesWritten);
     int j = (int) (bytesWritten / 3L);
     for (int i = 0; i < count; i += 3) {
       buffer[i] = (byte) (pixels[j] >> 16); // red
       buffer[i + 1] = (byte) (pixels[j] >> 8); // green
       buffer[i + 2] = (byte) pixels[j]; // blue
       j++;
     }
     out.write(buffer, 0, count);
     bytesWritten += count;
     showProgress((double) bytesWritten / size);
   }
 }
Exemplo n.º 5
0
 void writeRGB48Image(OutputStream out, Object[] stack) throws IOException {
   short[] r = (short[]) stack[0];
   short[] g = (short[]) stack[1];
   short[] b = (short[]) stack[2];
   int size = fi.width * fi.height;
   int count = fi.width * 6;
   byte[] buffer = new byte[count];
   for (int line = 0; line < fi.height; line++) {
     int index2 = 0;
     int index1 = line * fi.width;
     int value;
     if (fi.intelByteOrder) {
       for (int i = 0; i < fi.width; i++) {
         value = r[index1];
         buffer[index2++] = (byte) value;
         buffer[index2++] = (byte) (value >>> 8);
         value = g[index1];
         buffer[index2++] = (byte) value;
         buffer[index2++] = (byte) (value >>> 8);
         value = b[index1];
         buffer[index2++] = (byte) value;
         buffer[index2++] = (byte) (value >>> 8);
         index1++;
       }
     } else {
       for (int i = 0; i < fi.width; i++) {
         value = r[index1];
         buffer[index2++] = (byte) (value >>> 8);
         buffer[index2++] = (byte) value;
         value = g[index1];
         buffer[index2++] = (byte) (value >>> 8);
         buffer[index2++] = (byte) value;
         value = b[index1];
         buffer[index2++] = (byte) (value >>> 8);
         buffer[index2++] = (byte) value;
         index1++;
       }
     }
     out.write(buffer, 0, count);
   }
 }