@Override
    public void writeImage(final BufferedImage src, final OutputStream os, final PngImagingParameters params) throws ImagingException, IOException {
        new PngWriter().writeImage(src, os, params, null);
    }
Reads reads the signature.

@param in an input stream.
@throws ImagingException In the event that the specified content does not conform to the format of the specific parser implementation.
@throws IOException      In the event of unsuccessful data read operation.
src/main/java/org/apache/commons/imaging/formats/png/PngImageParser.java