private void writeGrayscaleImage(BufferedImage image, AVList params) throws IOException {
int type = image.getType();
int bitsPerSample =
(BufferedImage.TYPE_USHORT_GRAY == type)
? Tiff.BitsPerSample.MONOCHROME_UINT16
: Tiff.BitsPerSample.MONOCHROME_UINT8;
int numBands = image.getSampleModel().getNumBands();
// well, numBands for GrayScale images must be 1
int bytesPerSample = numBands * bitsPerSample / Byte.SIZE;
this.writeTiffHeader();
// write the image data...
int numRows = image.getHeight();
int numCols = image.getWidth();
int[] stripCounts = new int[numRows];
int[] stripOffsets = new int[numRows];
ByteBuffer dataBuff = ByteBuffer.allocateDirect(numCols * bytesPerSample);
Raster rast = image.getRaster();
for (int i = 0; i < numRows; i++) {
stripOffsets[i] = (int) this.theChannel.position();
stripCounts[i] = numCols * bytesPerSample;
int[] rowData = rast.getPixels(0, i, image.getWidth(), 1, (int[]) null);
dataBuff.clear();
if (BufferedImage.TYPE_USHORT_GRAY == type) {
for (int j = 0; j < numCols * numBands; j++) {
this.putUnsignedShort(dataBuff, rowData[j]);
}
} else if (BufferedImage.TYPE_BYTE_GRAY == type) {
for (int j = 0; j < numCols * numBands; j++) {
this.putUnsignedByte(dataBuff, rowData[j]);
}
}
dataBuff.flip();
this.theChannel.write(dataBuff);
}
// write out values for the tiff tags and build up the IFD. These are supposed to be sorted; for
// now
// do this manually here.
ArrayList<TiffIFDEntry> ifds = new ArrayList<TiffIFDEntry>(10);
ifds.add(new TiffIFDEntry(Tiff.Tag.IMAGE_WIDTH, Tiff.Type.LONG, 1, numCols));
ifds.add(new TiffIFDEntry(Tiff.Tag.IMAGE_LENGTH, Tiff.Type.LONG, 1, numRows));
ifds.add(new TiffIFDEntry(Tiff.Tag.BITS_PER_SAMPLE, Tiff.Type.SHORT, 1, bitsPerSample));
ifds.add(new TiffIFDEntry(Tiff.Tag.COMPRESSION, Tiff.Type.LONG, 1, Tiff.Compression.NONE));
ifds.add(
new TiffIFDEntry(
Tiff.Tag.PHOTO_INTERPRETATION,
Tiff.Type.SHORT,
1,
Tiff.Photometric.Grayscale_BlackIsZero));
ifds.add(
new TiffIFDEntry(Tiff.Tag.SAMPLE_FORMAT, Tiff.Type.SHORT, 1, Tiff.SampleFormat.UNSIGNED));
long offset = this.theChannel.position();
dataBuff = ByteBuffer.allocateDirect(stripOffsets.length * INTEGER_SIZEOF);
for (int stripOffset : stripOffsets) {
dataBuff.putInt(stripOffset);
}
dataBuff.flip();
this.theChannel.write(dataBuff);
ifds.add(new TiffIFDEntry(Tiff.Tag.STRIP_OFFSETS, Tiff.Type.LONG, stripOffsets.length, offset));
ifds.add(new TiffIFDEntry(Tiff.Tag.SAMPLES_PER_PIXEL, Tiff.Type.SHORT, 1, numBands));
ifds.add(new TiffIFDEntry(Tiff.Tag.ROWS_PER_STRIP, Tiff.Type.LONG, 1, 1));
offset = this.theChannel.position();
dataBuff.clear(); // stripOffsets and stripCounts are same length by design; can reuse the
// ByteBuffer...
for (int stripCount : stripCounts) {
dataBuff.putInt(stripCount);
}
dataBuff.flip();
this.theChannel.write(dataBuff);
ifds.add(
new TiffIFDEntry(Tiff.Tag.STRIP_BYTE_COUNTS, Tiff.Type.LONG, stripCounts.length, offset));
this.appendGeoTiff(ifds, params);
this.writeIFDs(ifds);
}
private void writeColorImage(BufferedImage image, AVList params) throws IOException {
int numBands = image.getRaster().getNumBands();
long offset;
this.writeTiffHeader();
// write the image data...
int numRows = image.getHeight();
int numCols = image.getWidth();
int[] stripCounts = new int[numRows];
int[] stripOffsets = new int[numRows];
ByteBuffer dataBuff = ByteBuffer.allocateDirect(numCols * numBands);
Raster rast = image.getRaster();
for (int i = 0; i < numRows; i++) {
stripOffsets[i] = (int) this.theChannel.position();
stripCounts[i] = numCols * numBands;
int[] rowData = rast.getPixels(0, i, image.getWidth(), 1, (int[]) null);
dataBuff.clear();
for (int j = 0; j < numCols * numBands; j++) {
putUnsignedByte(dataBuff, rowData[j]);
}
dataBuff.flip();
this.theChannel.write(dataBuff);
}
// write out values for the tiff tags and build up the IFD. These are supposed to be sorted; for
// now
// do this manually here.
ArrayList<TiffIFDEntry> ifds = new ArrayList<TiffIFDEntry>(10);
ifds.add(new TiffIFDEntry(Tiff.Tag.IMAGE_WIDTH, Tiff.Type.LONG, 1, numCols));
ifds.add(new TiffIFDEntry(Tiff.Tag.IMAGE_LENGTH, Tiff.Type.LONG, 1, numRows));
ifds.add(
new TiffIFDEntry(
Tiff.Tag.PLANAR_CONFIGURATION, Tiff.Type.SHORT, 1, Tiff.PlanarConfiguration.CHUNKY));
ifds.add(new TiffIFDEntry(Tiff.Tag.SAMPLES_PER_PIXEL, Tiff.Type.SHORT, 1, numBands));
ifds.add(new TiffIFDEntry(Tiff.Tag.COMPRESSION, Tiff.Type.LONG, 1, Tiff.Compression.NONE));
ifds.add(
new TiffIFDEntry(
Tiff.Tag.PHOTO_INTERPRETATION, Tiff.Type.SHORT, 1, Tiff.Photometric.Color_RGB));
ifds.add(new TiffIFDEntry(Tiff.Tag.ORIENTATION, Tiff.Type.SHORT, 1, Tiff.Orientation.DEFAULT));
offset = this.theChannel.position();
short[] bps = new short[numBands];
for (int i = 0; i < numBands; i++) {
bps[i] = Tiff.BitsPerSample.MONOCHROME_BYTE;
}
this.theChannel.write(ByteBuffer.wrap(this.getBytes(bps)));
ifds.add(new TiffIFDEntry(Tiff.Tag.BITS_PER_SAMPLE, Tiff.Type.SHORT, numBands, offset));
offset = this.theChannel.position();
dataBuff = ByteBuffer.allocateDirect(stripOffsets.length * INTEGER_SIZEOF);
for (int stripOffset : stripOffsets) {
dataBuff.putInt(stripOffset);
}
dataBuff.flip();
this.theChannel.write(dataBuff);
ifds.add(new TiffIFDEntry(Tiff.Tag.STRIP_OFFSETS, Tiff.Type.LONG, stripOffsets.length, offset));
ifds.add(new TiffIFDEntry(Tiff.Tag.ROWS_PER_STRIP, Tiff.Type.LONG, 1, 1));
offset = this.theChannel.position();
dataBuff.clear();
// stripOffsets and stripCounts are same length by design; can reuse the ByteBuffer...
for (int stripCount : stripCounts) {
dataBuff.putInt(stripCount);
}
dataBuff.flip();
this.theChannel.write(dataBuff);
ifds.add(
new TiffIFDEntry(Tiff.Tag.STRIP_BYTE_COUNTS, Tiff.Type.LONG, stripCounts.length, offset));
this.appendGeoTiff(ifds, params);
this.writeIFDs(ifds);
}