Examples with IIOException javax.imageio.IIOException used on opensource projects

Example 56 with IIOException

use of javax.imageio.IIOException in project imageio-ext by geosolutions-it.

the class TIFFBaseJPEGCompressor method getImageMetadata.

/**
 * Retrieves image metadata with non-core nodes removed.
 */
private IIOMetadata getImageMetadata(boolean pruneTables) throws IIOException {
    if (DEBUG) {
        System.out.println("getImageMetadata(" + pruneTables + ")");
    }
    if (JPEGImageMetadata == null && IMAGE_METADATA_NAME.equals(JPEGWriter.getOriginatingProvider().getNativeImageMetadataFormatName())) {
        TIFFImageWriter tiffWriter = (TIFFImageWriter) this.writer;
        // Get default image metadata.
        JPEGImageMetadata = JPEGWriter.getDefaultImageMetadata(tiffWriter.imageType, JPEGParam);
        // Get the DOM tree.
        Node tree = JPEGImageMetadata.getAsTree(IMAGE_METADATA_NAME);
        // Remove unwanted marker segments.
        try {
            pruneNodes(tree, pruneTables);
        } catch (IllegalArgumentException e) {
            throw new IIOException("Error pruning unwanted nodes", e);
        }
        // Set the DOM back into the metadata.
        try {
            JPEGImageMetadata.setFromTree(IMAGE_METADATA_NAME, tree);
        } catch (IIOInvalidTreeException e) {
            // present of JPEGTables field.
            throw new IIOException("Cannot set pruned image metadata!", e);
        }
    }
    return JPEGImageMetadata;
}

Example 57 with IIOException

use of javax.imageio.IIOException in project acs-aem-commons by Adobe-Consulting-Services.

the class AbstractRenditionModifyingProcess method execute.

public final void execute(WorkItem workItem, WorkflowSession workflowSession, MetaDataMap metaData, WorkflowHelper workflowHelper) throws WorkflowException {
    String[] args = workflowHelper.buildArguments(metaData);
    final String renditionName = workflowHelper.getValuesFromArgs(ARG_RENDITION_NAME, args).size() > 0 ? workflowHelper.getValuesFromArgs(ARG_RENDITION_NAME, args).get(0) : null;
    // image quality: from 0 t0 100%
    final String qualityStr = workflowHelper.getValuesFromArgs(ARG_QUALITY, args).size() > 0 ? workflowHelper.getValuesFromArgs(ARG_QUALITY, args).get(0) : DEFAULT_QUALITY;
    if (renditionName == null) {
        log.warn("Rendition name was not configured in arguments. Skipping.");
        return;
    }
    final WorkflowHelper.AssetResourceResolverPair pair = workflowHelper.getAssetFromPayload(workItem, workflowSession);
    if (pair == null) {
        return;
    }
    final Rendition rendition = pair.asset.getRendition(new PrefixRenditionPicker(renditionName));
    if (rendition == null) {
        log.warn("Rendition name {} was not available for asset {}. Skipping.", renditionName, pair.asset);
        return;
    }
    Layer layer = null;
    try {
        layer = new Layer(rendition.getStream());
        layer = processLayer(layer, rendition, workflowSession, args);
        String mimetype = layer.getMimeType();
        double quality = mimetype.equals("image/gif") ? workflowHelper.getQuality(MAX_GIF_QUALITY, qualityStr) : workflowHelper.getQuality(1.0, qualityStr);
        saveImage(pair.asset, rendition, layer, mimetype, quality, workflowHelper);
    } catch (IIOException e) {
        log.warn("Unable to load image layer from " + rendition.getPath(), e);
    } catch (IOException e) {
        log.warn("Unable to load image layer from " + rendition.getPath(), e);
    } finally {
        if (layer != null) {
            layer.dispose();
            layer = null;
        }
        pair.resourceResolver.close();
    }
}

Example 58 with IIOException

use of javax.imageio.IIOException in project pdfbox by apache.

the class DCTFilter method decode.

@Override
public DecodeResult decode(InputStream encoded, OutputStream decoded, COSDictionary parameters, int index, DecodeOptions options) throws IOException {
    ImageReader reader = findImageReader("JPEG", "a suitable JAI I/O image filter is not installed");
    try (ImageInputStream iis = ImageIO.createImageInputStream(encoded)) {
        // skip one LF if there
        if (iis.read() != 0x0A) {
            iis.seek(0);
        }
        reader.setInput(iis);
        ImageReadParam irp = reader.getDefaultReadParam();
        irp.setSourceSubsampling(options.getSubsamplingX(), options.getSubsamplingY(), options.getSubsamplingOffsetX(), options.getSubsamplingOffsetY());
        irp.setSourceRegion(options.getSourceRegion());
        options.setFilterSubsampled(true);
        String numChannels = getNumChannels(reader);
        // get the raster using horrible JAI workarounds
        ImageIO.setUseCache(false);
        Raster raster;
        // after "can't get metadata" because "no meta" file was CMYK
        if ("3".equals(numChannels) || numChannels.isEmpty()) {
            try {
                // I'd like to use ImageReader#readRaster but it is buggy and can't read RGB correctly
                BufferedImage image = reader.read(0, irp);
                raster = image.getRaster();
            } catch (IIOException e) {
                // JAI can't read CMYK JPEGs using ImageReader#read or ImageIO.read but
                // fortunately ImageReader#readRaster isn't buggy when reading 4-channel files
                LOG.debug("Couldn't read use read() for RGB image - using readRaster() as fallback", e);
                raster = reader.readRaster(0, irp);
            }
        } else {
            // JAI can't read CMYK JPEGs using ImageReader#read or ImageIO.read but
            // fortunately ImageReader#readRaster isn't buggy when reading 4-channel files
            raster = reader.readRaster(0, irp);
        }
        // special handling for 4-component images
        if (raster.getNumBands() == 4) {
            // get APP14 marker
            Integer transform;
            try {
                transform = getAdobeTransform(reader.getImageMetadata(0));
            } catch (IIOException | NegativeArraySizeException e) {
                // we really tried asking nicely, now we're using brute force.
                LOG.debug("Couldn't read usíng getAdobeTransform() - using getAdobeTransformByBruteForce() as fallback", e);
                transform = getAdobeTransformByBruteForce(iis);
            }
            int colorTransform = transform != null ? transform : 0;
            // 0 = Unknown (RGB or CMYK), 1 = YCbCr, 2 = YCCK
            switch(colorTransform) {
                case 0:
                    // already CMYK
                    break;
                case 1:
                    raster = fromYCbCrtoCMYK(raster);
                    break;
                case 2:
                    raster = fromYCCKtoCMYK(raster);
                    break;
                default:
                    throw new IllegalArgumentException("Unknown colorTransform");
            }
        } else if (raster.getNumBands() == 3) {
            // BGR to RGB
            raster = fromBGRtoRGB(raster);
        }
        DataBufferByte dataBuffer = (DataBufferByte) raster.getDataBuffer();
        decoded.write(dataBuffer.getData());
    } finally {
        reader.dispose();
    }
    return new DecodeResult(parameters);
}

Example 59 with IIOException

use of javax.imageio.IIOException in project robolectric by robolectric.

the class ImageUtil method getImageFromStream.

static RobolectricBufferedImage getImageFromStream(String fileName, InputStream is) {
    if (!initialized) {
        // Stops ImageIO from creating temp files when reading images
        // from input stream.
        ImageIO.setUseCache(false);
        initialized = true;
    }
    String format = null;
    try {
        ImageInputStream imageStream = createImageInputStream(is);
        Iterator<ImageReader> readers = ImageIO.getImageReaders(imageStream);
        if (!readers.hasNext()) {
            return null;
        }
        ImageReader reader = readers.next();
        try {
            reader.setInput(imageStream);
            format = reader.getFormatName();
            int minIndex = reader.getMinIndex();
            BufferedImage image = reader.read(minIndex);
            return RobolectricBufferedImage.create(image, ("image/" + format).toLowerCase());
        } finally {
            reader.dispose();
        }
    } catch (IOException e) {
        Throwable cause = e.getCause();
        if (FORMAT_NAME_PNG.equalsIgnoreCase(format) && cause instanceof IIOException && cause.getMessage() != null && cause.getMessage().contains("Invalid chunk length")) {
            String pngFileName = "(" + (fileName == null ? "not given PNG file name" : fileName) + ")";
            System.err.println("The PNG file" + pngFileName + " cannot be decoded. This may be due to an OpenJDK issue with certain PNG files." + " See https://github.com/robolectric/robolectric/issues/6812 for more details.");
        }
        throw new RuntimeException(e);
    }
}

Example 60 with IIOException

use of javax.imageio.IIOException in project plantuml-server by plantuml.

the class ProxyServlet method doGet.

@Override
public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
    final String fmt = request.getParameter("fmt");
    final String source = request.getParameter("src");
    final String index = request.getParameter("idx");
    final URL srcUrl;
    // Check if the src URL is valid
    try {
        srcUrl = new URL(source);
    } catch (MalformedURLException mue) {
        mue.printStackTrace();
        return;
    }
    // generate the response
    String diagmarkup = getSource(srcUrl);
    SourceStringReader reader = new SourceStringReader(diagmarkup);
    int n = index == null ? 0 : Integer.parseInt(index);
    List<BlockUml> blocks = reader.getBlocks();
    BlockUml block = blocks.get(n);
    Diagram diagram = block.getDiagram();
    UmlSource umlSrc = diagram.getSource();
    String uml = umlSrc.getPlainString();
    // System.out.println("uml=" + uml);
    // generate the response
    DiagramResponse dr = new DiagramResponse(response, getOutputFormat(fmt), request);
    try {
        dr.sendDiagram(uml, 0);
    } catch (IIOException iioe) {
    // Browser has closed the connection, so the HTTP OutputStream is closed
    // Silently catch the exception to avoid annoying log
    }
    dr = null;
}