Examples with J2KImageWriterSpi com.github.jaiimageio.jpeg2000.impl.J2KImageWriterSpi used on opensource projects

Example 1 with J2KImageWriterSpi

use of com.github.jaiimageio.jpeg2000.impl.J2KImageWriterSpi in project alliance by codice.

the class NitfPreStoragePlugin method renderToJpeg2k.

private byte[] renderToJpeg2k(final BufferedImage bufferedImage) throws IOException {
    BufferedImage imageToCompress = bufferedImage;
    if (bufferedImage.getColorModel().getNumComponents() == ARGB_COMPONENT_COUNT) {
        imageToCompress = new BufferedImage(bufferedImage.getWidth(), bufferedImage.getHeight(), BufferedImage.TYPE_3BYTE_BGR);
        Graphics2D g = imageToCompress.createGraphics();
        g.drawImage(bufferedImage, 0, 0, null);
    }
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    J2KImageWriter writer = new J2KImageWriter(new J2KImageWriterSpi());
    J2KImageWriteParam writeParams = (J2KImageWriteParam) writer.getDefaultWriteParam();
    writeParams.setLossless(false);
    writeParams.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
    writeParams.setCompressionType("JPEG2000");
    writeParams.setCompressionQuality(0.0f);
    ImageOutputStream ios = new MemoryCacheImageOutputStream(os);
    writer.setOutput(ios);
    writer.write(null, new IIOImage(imageToCompress, null, null), writeParams);
    writer.dispose();
    ios.close();
    return os.toByteArray();
}