private BufferedImage readImage2(byte[] imageBytes) throws IOException { SeekableStream stream = new ByteArraySeekableStream(imageBytes); String decoderName = null; for (String dn : ImageCodec.getDecoderNames(stream)) { decoderName = dn; break; } ImageDecoder decoder = ImageCodec.createImageDecoder(decoderName, stream, null); PlanarImage img = PlanarImage.wrapRenderedImage(decoder.decodeAsRenderedImage()); return img.getAsBufferedImage(); }
ImageDecoder decoder = ImageCodec.createImageDecoder(decoderName, stream, null); PlanarImage img = PlanarImage.wrapRenderedImage(decoder.decodeAsRenderedImage()); buffImage = img.getAsBufferedImage();
/** * Fallback Method, in some jre implementations, ImageIO.read(InputStream in) returns null. If * this happens, this method is called, which is not so efficient but it works * * @param imageBytes * @return * @throws IOException */ private BufferedImage readImage2(byte[] imageBytes) throws IOException { SeekableStream stream = new ByteArraySeekableStream(imageBytes); String decoderName = null; for (String dn : ImageCodec.getDecoderNames(stream)) { decoderName = dn; break; } ImageDecoder decoder = ImageCodec.createImageDecoder(decoderName, stream, null); PlanarImage img = PlanarImage.wrapRenderedImage(decoder.decodeAsRenderedImage()); return img.getAsBufferedImage(); } }
ImageDecoder decoder = ImageCodec.createImageDecoder(decoderName, stream, null); RenderedImage rimage = decoder.decodeAsRenderedImage();
static private final BufferedImage openTIFF(final String path) throws Exception { /* final RenderedImage ri = ImageCodec.createImageDecoder("TIFF", new File(path), new TIFFDecodeParam()).decodeAsRenderedImage(); final PlanarImage pi = PlanarImage.wrapRenderedImage(ri); final BufferedImage img = pi.getAsBufferedImage(); */ return PlanarImage.wrapRenderedImage(ImageCodec.createImageDecoder("TIFF", new File(path), new TIFFDecodeParam()).decodeAsRenderedImage()).getAsBufferedImage(); }
@Override public void convert(InputStream input, OutputStream output) throws IOException { TIFFDecodeParam decodeParam = new TIFFDecodeParam(); decodeParam.setDecodePaletteAsShorts(true); decodeParam.setJPEGDecompressYCbCrToRGB(true); ImageDecoder decoder = ImageCodec.createImageDecoder("tiff", input, decodeParam); try { RenderedImage image = decoder.decodeAsRenderedImage(); ImageEncodeParam encodeParam = new PNGEncodeParam.Palette(); ImageEncoder encoder = ImageCodec.createImageEncoder("png", output, encodeParam); encoder.encode(image); input.close(); } finally { IOUtils.closeQuietly(input); } }
public static RenderedImage convertToRenderedImage(byte[] data) throws IOException { RenderedImage im = null; SeekableStream stream = new ByteArraySeekableStream(data); String[] names = ImageCodec.getDecoderNames(stream); if (names.length > 0) { ImageDecoder dec = ImageCodec.createImageDecoder(names[0], stream, null); im = dec.decodeAsRenderedImage(); } if (im == null) { ByteArray ba = new ByteArray(data); int len = ba.getLength() < 24 ? ba.getLength() : 24; log.warn("Unable to find codec for data: " + ba.readPns(0, len)); } return im; // An alternate way. Need to see if works with tiff images // BufferedImage ioResult = null; // stream = new ByteArraySeekableStream(data); // { // ImageInputStream iis = ImageIO.createImageInputStream(stream); // ioResult = ImageIO.read(iis); // } // Raster ioRaster = ioResult.getData(); }