/**
* The CodecOptions parameter should have the following fields set: {@link CodecOptions#width
* width} {@link CodecOptions#height height} {@link CodecOptions#channels channels} {@link
* CodecOptions#bitsPerSample bitsPerSample} {@link CodecOptions#interleaved interleaved} {@link
* CodecOptions#littleEndian littleEndian} {@link CodecOptions#signed signed}
*
* @see Codec#compress(byte[], CodecOptions)
*/
@Override
public byte[] compress(final byte[] data, CodecOptions options) throws FormatException {
if (data == null || data.length == 0) return data;
if (options == null) options = CodecOptions.getDefaultOptions();
if (options.bitsPerSample > 8) {
throw new FormatException("> 8 bit data cannot be compressed with JPEG.");
}
final ByteArrayOutputStream out = new ByteArrayOutputStream();
final BufferedImage img =
AWTImageTools.makeImage(
data,
options.width,
options.height,
options.channels,
options.interleaved,
options.bitsPerSample / 8,
false,
options.littleEndian,
options.signed);
try {
ImageIO.write(img, "jpeg", out);
} catch (final IOException e) {
throw new FormatException("Could not write JPEG data", e);
}
return out.toByteArray();
}
