private PngChunk processTailChunks(
PngImage result, Iterator<PngChunk> itBaseChunks, PngChunk lastBaseChunk) throws IOException {
while (lastBaseChunk != null) {
if (lastBaseChunk.isCritical()) {
ByteArrayOutputStream bytes = new ByteArrayOutputStream(lastBaseChunk.getLength());
DataOutputStream data = new DataOutputStream(bytes);
data.write(lastBaseChunk.getData());
data.close();
PngChunk newChunk = new PngChunk(lastBaseChunk.getType(), bytes.toByteArray());
result.addChunk(newChunk);
}
lastBaseChunk = itBaseChunks.hasNext() ? itBaseChunks.next() : null;
}
return lastBaseChunk;
}
