Examples of javax.imageio.metadata.IIOMetadata

javax.imageio.metadata.IIOMetadata
@author Rustem V. Rafikov @version $Revision: 1.3 $TODO add all the methods from the spec


    /**
     * @see org.apache.xmlgraphics.image.writer.imageio.ImageIOImageWriter#updateMetadata(javax.imageio.metadata.IIOMetadata, org.apache.xmlgraphics.image.writer.ImageWriterParams)
     */
    protected IIOMetadata updateMetadata(IIOMetadata meta, ImageWriterParams params) {
        IIOMetadata ret = super.updateMetadata(meta, params);


        //We set the resolution manually using the native format since it appears that
        //it doesn't work properly through the standard metadata. Haven't figured out why
        //that happens.
        if (params.getResolution() != null) {

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            {
                throw new RuntimeException("No ImageReaders found");
            }
            reader = (ImageReader) readers.next();
            reader.setInput(input);
            IIOMetadata meta = reader.getImageMetadata(0);
            if (meta != null)
            {
                Node tree = meta.getAsTree("javax_imageio_jpeg_image_1.0");
                NodeList children = tree.getChildNodes();
                for (int i=0;i<children.getLength();i++)
                {
                    Node markerSequence = children.item(i);
                    if ("markerSequence".equals(markerSequence.getNodeName()))

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            throw new IllegalArgumentException("formatName == null!");
        }
        if (nodeNames == null) {
            throw new IllegalArgumentException("nodeNames == null!");
        }
        IIOMetadata metadata =
            wantStream
            ? getStreamMetadata()
            : getImageMetadata(imageIndex);
        if (metadata != null) {
            if (metadata.isStandardMetadataFormatSupported() &&
                formatName.equals
                (IIOMetadataFormatImpl.standardMetadataFormatName)) {
                return metadata;
            }
            String nativeName = metadata.getNativeMetadataFormatName();
            if (nativeName != null && formatName.equals(nativeName)) {
                return metadata;
            }
            String[] extraNames = metadata.getExtraMetadataFormatNames();
            if (extraNames != null) {
                for (int i = 0; i < extraNames.length; i++) {
                    if (formatName.equals(extraNames[i])) {
                        return metadata;
                    }

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            for (int j = 0; j < numThumbnails; j++) {
                thumbnails.add(readThumbnail(imageIndex, j));
            }
        }


        IIOMetadata metadata = getImageMetadata(imageIndex);
        return new IIOImage(im, thumbnails, metadata);
    }

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                for (int j = 0; j < numThumbnails; j++) {
                    thumbnails.add(readThumbnail(imageIndex, j));
                }
            }


            IIOMetadata metadata = getImageMetadata(imageIndex);
            IIOImage im = new IIOImage(bi, thumbnails, metadata);
            output.add(im);


            ++imageIndex;
        }

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                optimizeHuffman = jparam.getOptimizeHuffmanTables();
            }
        }


        // Now examine the metadata
        IIOMetadata mdata = image.getMetadata();
        if (mdata != null) {
            if (mdata instanceof JPEGMetadata) {
                metadata = (JPEGMetadata) mdata;
                if (debug) {
                    System.out.println

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                sourceRegion = rect;
            else
                sourceRegion = sourceRegion.intersection(rect);
        }


        IIOMetadata imageMetadata = image.getMetadata();
        BMPMetadata bmpImageMetadata = null;
        if (imageMetadata != null
            && imageMetadata instanceof BMPMetadata)
        {
            bmpImageMetadata = (BMPMetadata)imageMetadata;

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                                             ImageWriteParam param) {
        if (inData == null) {
            throw new IllegalArgumentException("inData == null!");
        }


        IIOMetadata sm = getDefaultStreamMetadata(param);


        convertMetadata(STREAM_METADATA_NAME, inData, sm);


        return sm;
    }

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        // Compute total number of pixels for progress notification
        this.totalPixels = destWidth*destHeight;
        this.pixelsDone = 0;


        // Create metadata
        IIOMetadata imd = image.getMetadata();
        if (imd != null) {
            metadata = (PNGMetadata)convertImageMetadata(imd,
                               ImageTypeSpecifier.createFromRenderedImage(im),
                                                         null);
        } else {

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                optimizeHuffman = jparam.getOptimizeHuffmanTables();
            }
        }


        // Now examine the metadata
        IIOMetadata mdata = image.getMetadata();
        if (mdata != null) {
            if (mdata instanceof JPEGMetadata) {
                metadata = (JPEGMetadata) mdata;
                if (debug) {
                    System.out.println

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