Examples of javax.imageio.metadata.IIOMetadataNode

javax.imageio.metadata.IIOMetadataNode
A class representing a node in a meta-data tree, which implements the org.w3c.dom.Element interface and additionally allows for the storage of non-textual objects via the getUserObject and setUserObject methods.
This class is not intended to be used for general XML processing. In particular, Element nodes created within the Image I/O API are not compatible with those created by Sun's standard implementation of the org.w3.dom API. In particular, the implementation is tuned for simple uses and may not perform well for intensive processing.
Namespaces are ignored in this implementation. The terms "tag name" and "node name" are always considered to be synonymous. Note: The DOM Level 3 specification added a number of new methods to the {@code Node}, {@code Element} and {@code Attr} interfaces that are notof value to the {@code IIOMetadataNode} implementation or specification.Calling such methods on an {@code IIOMetadataNode}, or an {@code Attr}instance returned from an {@code IIOMetadataNode} will result in a{@code DOMException} being thrown. @see IIOMetadata#getAsTree @see IIOMetadata#setFromTree @see IIOMetadata#mergeTree


        return data_node;
    }


    public IIOMetadataNode getStandardDimensionNode() {
        IIOMetadataNode dimension_node = new IIOMetadataNode("Dimension");
        IIOMetadataNode node = null; // scratch node


        node = new IIOMetadataNode("PixelAspectRatio");
        float ratio = pHYs_present ?
            (float)pHYs_pixelsPerUnitXAxis/pHYs_pixelsPerUnitYAxis : 1.0F;
        node.setAttribute("value", Float.toString(ratio));
        dimension_node.appendChild(node);


        node = new IIOMetadataNode("ImageOrientation");
        node.setAttribute("value", "Normal");
        dimension_node.appendChild(node);


        if (pHYs_present && pHYs_unitSpecifier == PHYS_UNIT_METER) {
            node = new IIOMetadataNode("HorizontalPixelSize");
            node.setAttribute("value",
                              Float.toString(1000.0F/pHYs_pixelsPerUnitXAxis));
            dimension_node.appendChild(node);


            node = new IIOMetadataNode("VerticalPixelSize");
            node.setAttribute("value",
                              Float.toString(1000.0F/pHYs_pixelsPerUnitYAxis));
            dimension_node.appendChild(node);
        }


        return dimension_node;

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            } catch (CloneNotSupportedException e) {} // won't happen
            return null;
        }


        IIOMetadataNode getNativeNode() {
            IIOMetadataNode node = new IIOMetadataNode("scanComponentSpec");
            node.setAttribute("componentSelector",
                              Integer.toString(componentSelector));
            node.setAttribute("dcHuffTable",
                              Integer.toString(dcHuffTable));
            node.setAttribute("acHuffTable",
                              Integer.toString(acHuffTable));
            return node;
        }

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    public IIOMetadataNode getStandardDocumentNode() {
        if (!tIME_present) {
            return null;
        }


        IIOMetadataNode document_node = new IIOMetadataNode("Document");
        IIOMetadataNode node = null; // scratch node


        node = new IIOMetadataNode("ImageModificationTime");
        node.setAttribute("year", Integer.toString(tIME_year));
        node.setAttribute("month", Integer.toString(tIME_month));
        node.setAttribute("day", Integer.toString(tIME_day));
        node.setAttribute("hour", Integer.toString(tIME_hour));
        node.setAttribute("minute", Integer.toString(tIME_minute));
        node.setAttribute("second", Integer.toString(tIME_second));
        document_node.appendChild(node);


        return document_node;
    }

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            iTXt_keyword.size() + zTXt_keyword.size();
        if (numEntries == 0) {
            return null;
        }


        IIOMetadataNode text_node = new IIOMetadataNode("Text");
        IIOMetadataNode node = null; // scratch node


        for (int i = 0; i < tEXt_keyword.size(); i++) {
            node = new IIOMetadataNode("TextEntry");
            node.setAttribute("keyword", (String)tEXt_keyword.get(i));
            node.setAttribute("value", (String)tEXt_text.get(i));
            node.setAttribute("encoding", "ISO-8859-1");
            node.setAttribute("compression", "none");


            text_node.appendChild(node);
        }


        for (int i = 0; i < iTXt_keyword.size(); i++) {
            node = new IIOMetadataNode("TextEntry");
            node.setAttribute("keyword", iTXt_keyword.get(i));
            node.setAttribute("value", iTXt_text.get(i));
            node.setAttribute("language",
                              iTXt_languageTag.get(i));
            if (iTXt_compressionFlag.get(i)) {
                node.setAttribute("compression", "zip");
            } else {
                node.setAttribute("compression", "none");
            }


            text_node.appendChild(node);
        }


        for (int i = 0; i < zTXt_keyword.size(); i++) {
            node = new IIOMetadataNode("TextEntry");
            node.setAttribute("keyword", (String)zTXt_keyword.get(i));
            node.setAttribute("value", (String)zTXt_text.get(i));
            node.setAttribute("compression", "zip");


            text_node.appendChild(node);
        }


        return text_node;

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                                0, 255,
                                true);
        length = 0;
        // get the user object and clone it to the data
        if (node instanceof IIOMetadataNode) {
            IIOMetadataNode iioNode = (IIOMetadataNode) node;
            try {
                data = (byte []) iioNode.getUserObject();
            } catch (Exception e) {
                IIOInvalidTreeException newGuy =
                    new IIOInvalidTreeException
                    ("Can't get User Object", node);
                newGuy.initCause(e);

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        data = new byte[length];
        buffer.readData(data);
    }


    IIOMetadataNode getNativeNode() {
        IIOMetadataNode node = new IIOMetadataNode("unknown");
        node.setAttribute("MarkerTag", Integer.toString(tag));
        node.setUserObject(data);


        return node;
    }

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        }
        return newGuy;
    }


    IIOMetadataNode getNativeNode() {
        IIOMetadataNode node = new IIOMetadataNode("dqt");
        for (int i= 0; i<tables.size(); i++) {
            Qtable table = (Qtable) tables.get(i);
            node.appendChild(table.getNativeNode());
        }
        return node;
    }

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            return "";
        }
    }


    private Node getNativeTree() {
        IIOMetadataNode root =
            new IIOMetadataNode(nativeMetadataFormatName);


        addChildNode(root, "BMPVersion", bmpVersion);
        addChildNode(root, "Width", new Integer(width));
        addChildNode(root, "Height", new Integer(height));
        addChildNode(root, "BitsPerPixel", new Short(bitsPerPixel));
        addChildNode(root, "Compression", new Integer(compression));
        addChildNode(root, "ImageSize", new Integer(imageSize));


        IIOMetadataNode node = addChildNode(root, "PixelsPerMeter", null);
        addChildNode(node, "X", new Integer(xPixelsPerMeter));
        addChildNode(node, "Y", new Integer(yPixelsPerMeter));


        addChildNode(root, "ColorsUsed", new Integer(colorsUsed));
        addChildNode(root, "ColorsImportant", new Integer(colorsImportant));


        int version = 0;
        for (int i = 0; i < bmpVersion.length(); i++)
            if (Character.isDigit(bmpVersion.charAt(i)))
                version = bmpVersion.charAt(i) -'0';


        if (version >= 4) {
            node = addChildNode(root, "Mask", null);
            addChildNode(node, "Red", new Integer(redMask));
            addChildNode(node, "Green", new Integer(greenMask));
            addChildNode(node, "Blue", new Integer(blueMask));
            addChildNode(node, "Alpha", new Integer(alphaMask));


            addChildNode(root, "ColorSpaceType", new Integer(colorSpace));


            node = addChildNode(root, "CIEXYZEndPoints", null);
            addXYZPoints(node, "Red", redX, redY, redZ);
            addXYZPoints(node, "Green", greenX, greenY, greenZ);
            addXYZPoints(node, "Blue", blueX, blueY, blueZ);


            node = addChildNode(root, "Intent", new Integer(intent));
        }


        // Palette
        if ((palette != null) && (paletteSize > 0)) {
            node = addChildNode(root, "Palette", null);
            int numComps = palette.length / paletteSize;


            for (int i = 0, j = 0; i < paletteSize; i++) {
                IIOMetadataNode entry =
                    addChildNode(node, "PaletteEntry", null);
                red = palette[j++] & 0xff;
                green = palette[j++] & 0xff;
                blue = palette[j++] & 0xff;
                addChildNode(entry, "Red", new Byte((byte)red));

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    // Standard tree node methods
    protected IIOMetadataNode getStandardChromaNode() {


        if ((palette != null) && (paletteSize > 0)) {
            IIOMetadataNode node = new IIOMetadataNode("Chroma");
            IIOMetadataNode subNode = new IIOMetadataNode("Palette");
            int numComps = palette.length / paletteSize;
            subNode.setAttribute("value", "" + numComps);


            for (int i = 0, j = 0; i < paletteSize; i++) {
                IIOMetadataNode subNode1 = new IIOMetadataNode("PaletteEntry");
                subNode1.setAttribute("index", ""+i);
                subNode1.setAttribute("red", "" + palette[j++]);
                subNode1.setAttribute("green", "" + palette[j++]);
                subNode1.setAttribute("blue", "" + palette[j++]);
                if (numComps == 4 && palette[j] != 0)
                    subNode1.setAttribute("alpha", "" + palette[j++]);
                subNode.appendChild(subNode1);
            }
            node.appendChild(subNode);
            return node;
        }

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                        ("dqtable node must have 1 or 2 attributes", node);
                }
                elementPrecision = 0;
                tableID = getAttributeValue(node, attrs, "qtableId", 0, 3, true);
                if (node instanceof IIOMetadataNode) {
                    IIOMetadataNode ourNode = (IIOMetadataNode) node;
                    JPEGQTable table = (JPEGQTable) ourNode.getUserObject();
                    if (table == null) {
                        throw new IIOInvalidTreeException
                            ("dqtable node must have user object", node);
                    }
                    data = table.getTable();

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