* @throws IOException
*/
public static Image getInstance(final byte imgb[], boolean recoverFromImageError) throws BadElementException,
MalformedURLException, IOException {
InputStream is = null;
RandomAccessSourceFactory randomAccessSourceFactory = new RandomAccessSourceFactory();
try {
is = new java.io.ByteArrayInputStream(imgb);
int c1 = is.read();
int c2 = is.read();
int c3 = is.read();
int c4 = is.read();
is.close();
is = null;
if (c1 == 'G' && c2 == 'I' && c3 == 'F') {
GifImage gif = new GifImage(imgb);
return gif.getImage(1);
}
if (c1 == 0xFF && c2 == 0xD8) {
return new Jpeg(imgb);
}
if (c1 == 0x00 && c2 == 0x00 && c3 == 0x00 && c4 == 0x0c) {
return new Jpeg2000(imgb);
}
if (c1 == 0xff && c2 == 0x4f && c3 == 0xff && c4 == 0x51) {
return new Jpeg2000(imgb);
}
if (c1 == PngImage.PNGID[0] && c2 == PngImage.PNGID[1]
&& c3 == PngImage.PNGID[2] && c4 == PngImage.PNGID[3]) {
return PngImage.getImage(imgb);
}
if (c1 == 0xD7 && c2 == 0xCD) {
return new ImgWMF(imgb);
}
if (c1 == 'B' && c2 == 'M') {
return BmpImage.getImage(imgb);
}
if (c1 == 'M' && c2 == 'M' && c3 == 0 && c4 == 42
|| c1 == 'I' && c2 == 'I' && c3 == 42 && c4 == 0) {
RandomAccessFileOrArray ra = null;
try {
ra = new RandomAccessFileOrArray(randomAccessSourceFactory.createSource(imgb));
Image img = TiffImage.getTiffImage(ra, 1);
if (img.getOriginalData() == null)
img.setOriginalData(imgb);
return img;
} catch ( RuntimeException e ) {
if ( recoverFromImageError ) {
// reruns the getTiffImage() with several error recovering workarounds in place
// not guaranteed to work with every TIFF
Image img = TiffImage.getTiffImage(ra, recoverFromImageError, 1);
if (img.getOriginalData() == null)
img.setOriginalData(imgb);
return img;
}
throw e;
} finally {
if (ra != null)
ra.close();
}
}
if ( c1 == 0x97 && c2 == 'J' && c3 == 'B' && c4 == '2' ) {
is = new java.io.ByteArrayInputStream(imgb);
is.skip(4);
int c5 = is.read();
int c6 = is.read();
int c7 = is.read();
int c8 = is.read();
is.close();
if ( c5 == '\r' && c6 == '\n' && c7 == 0x1a && c8 == '\n' ) {
// a jbig2 file with a file header. the header is the only way we know here.
// embedded jbig2s don't have a header, have to create them by explicit use of Jbig2Image?
// nkerr, 2008-12-05 see also the getInstance(URL)
RandomAccessFileOrArray ra = null;
try {
ra = new RandomAccessFileOrArray(randomAccessSourceFactory.createSource(imgb));
Image img = JBIG2Image.getJbig2Image(ra, 1);
if (img.getOriginalData() == null)
img.setOriginalData(imgb);
return img;
} finally {