Examples of ae.javax.imageio.metadata.IIOMetadataNode

ae.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 text;
    }


    protected IIOMetadataNode getStandardTransparencyNode() {
        IIOMetadataNode trans = null;
        if (hasAlpha == true) {
            trans = new IIOMetadataNode("Transparency");
            IIOMetadataNode alpha = new IIOMetadataNode("Alpha");
            alpha.setAttribute("value", "nonpremultiplied"); // Always assume
            trans.appendChild(alpha);
        }
        return trans;
    }

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        }


        ICCMarkerSegment(Node node) throws IIOInvalidTreeException {
            super(JPEG.APP2);
            if (node instanceof IIOMetadataNode) {
                IIOMetadataNode ourNode = (IIOMetadataNode) node;
                ICC_Profile prof = (ICC_Profile) ourNode.getUserObject();
                if (prof != null) {  // May be null
                    profile = prof.getData();
                }
            }
        }

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            }
            return retval;
        }


        IIOMetadataNode getNativeNode() {
            IIOMetadataNode node = new IIOMetadataNode("app2ICC");
            if (profile != null) {
                node.setUserObject(ICC_Profile.getInstance(profile));
            }
            return node;
        }

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        }
        return numChannels;
    }


    public IIOMetadataNode getStandardChromaNode() {
        IIOMetadataNode chroma_node = new IIOMetadataNode("Chroma");
        IIOMetadataNode node = null; // scratch node


        node = new IIOMetadataNode("ColorSpaceType");
        node.setAttribute("name", colorSpaceTypeNames[IHDR_colorType]);
        chroma_node.appendChild(node);


        node = new IIOMetadataNode("NumChannels");
        node.setAttribute("value", Integer.toString(getNumChannels()));
        chroma_node.appendChild(node);


        if (gAMA_present) {
            node = new IIOMetadataNode("Gamma");
            node.setAttribute("value", Float.toString(gAMA_gamma*1.0e-5F));
            chroma_node.appendChild(node);
        }


        node = new IIOMetadataNode("BlackIsZero");
        node.setAttribute("value", "true");
        chroma_node.appendChild(node);


        if (PLTE_present) {
            boolean hasAlpha = tRNS_present &&
                (tRNS_colorType == PNGImageReader.PNG_COLOR_PALETTE);


            node = new IIOMetadataNode("Palette");
            for (int i = 0; i < PLTE_red.length; i++) {
                IIOMetadataNode entry =
                    new IIOMetadataNode("PaletteEntry");
                entry.setAttribute("index", Integer.toString(i));
                entry.setAttribute("red",
                                   Integer.toString(PLTE_red[i] & 0xff));
                entry.setAttribute("green",
                                   Integer.toString(PLTE_green[i] & 0xff));
                entry.setAttribute("blue",
                                   Integer.toString(PLTE_blue[i] & 0xff));
                if (hasAlpha) {
                    int alpha = (i < tRNS_alpha.length) ?
                        (tRNS_alpha[i] & 0xff) : 255;
                    entry.setAttribute("alpha", Integer.toString(alpha));
                }
                node.appendChild(entry);
            }
            chroma_node.appendChild(node);
        }


        if (bKGD_present) {
            if (bKGD_colorType == PNGImageReader.PNG_COLOR_PALETTE) {
                node = new IIOMetadataNode("BackgroundIndex");
                node.setAttribute("value", Integer.toString(bKGD_index));
            } else {
                node = new IIOMetadataNode("BackgroundColor");
                int r, g, b;


                if (bKGD_colorType == PNGImageReader.PNG_COLOR_GRAY) {
                    r = g = b = bKGD_gray;
                } else {

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        return chroma_node;
    }


    public IIOMetadataNode getStandardCompressionNode() {
        IIOMetadataNode compression_node = new IIOMetadataNode("Compression");
        IIOMetadataNode node = null; // scratch node


        node = new IIOMetadataNode("CompressionTypeName");
        node.setAttribute("value", "deflate");
        compression_node.appendChild(node);


        node = new IIOMetadataNode("Lossless");
        node.setAttribute("value", "true");
        compression_node.appendChild(node);


        node = new IIOMetadataNode("NumProgressiveScans");
        node.setAttribute("value",
                          (IHDR_interlaceMethod == 0) ? "1" : "7");
        compression_node.appendChild(node);


        return compression_node;
    }

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        }
        return sb.toString();
    }


    public IIOMetadataNode getStandardDataNode() {
        IIOMetadataNode data_node = new IIOMetadataNode("Data");
        IIOMetadataNode node = null; // scratch node


        node = new IIOMetadataNode("PlanarConfiguration");
        node.setAttribute("value", "PixelInterleaved");
        data_node.appendChild(node);


        node = new IIOMetadataNode("SampleFormat");
        node.setAttribute("value",
                          IHDR_colorType == PNGImageReader.PNG_COLOR_PALETTE ?
                          "Index" : "UnsignedIntegral");
        data_node.appendChild(node);


        String bitDepth = Integer.toString(IHDR_bitDepth);
        node = new IIOMetadataNode("BitsPerSample");
        node.setAttribute("value", repeat(bitDepth, getNumChannels()));
        data_node.appendChild(node);


        if (sBIT_present) {
            node = new IIOMetadataNode("SignificantBitsPerSample");
            String sbits;
            if (sBIT_colorType == PNGImageReader.PNG_COLOR_GRAY ||
                sBIT_colorType == PNGImageReader.PNG_COLOR_GRAY_ALPHA) {
                sbits = Integer.toString(sBIT_grayBits);
            } else { // sBIT_colorType == PNGImageReader.PNG_COLOR_RGB ||
                     // sBIT_colorType == PNGImageReader.PNG_COLOR_RGB_ALPHA
                sbits = Integer.toString(sBIT_redBits) + " " +
                    Integer.toString(sBIT_greenBits) + " " +
                    Integer.toString(sBIT_blueBits);
            }


            if (sBIT_colorType == PNGImageReader.PNG_COLOR_GRAY_ALPHA ||
                sBIT_colorType == PNGImageReader.PNG_COLOR_RGB_ALPHA) {
                sbits += " " + Integer.toString(sBIT_alphaBits);
            }


            node.setAttribute("value", sbits);
            data_node.appendChild(node);
        }


        // SampleMSB

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        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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    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", (String)iTXt_keyword.get(i));
            node.setAttribute("value", (String)iTXt_text.get(i));
            node.setAttribute("language",
                              (String)iTXt_languageTag.get(i));
            if (((Integer)iTXt_compressionFlag.get(i)).intValue() == 1) {
                node.setAttribute("compression", "deflate");
            } 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", "deflate");


            text_node.appendChild(node);
        }


        return text_node;

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        return text_node;
    }


    public IIOMetadataNode getStandardTransparencyNode() {
        IIOMetadataNode transparency_node =
            new IIOMetadataNode("Transparency");
        IIOMetadataNode node = null; // scratch node


        node = new IIOMetadataNode("Alpha");
        boolean hasAlpha =
            (IHDR_colorType == PNGImageReader.PNG_COLOR_RGB_ALPHA) ||
            (IHDR_colorType == PNGImageReader.PNG_COLOR_GRAY_ALPHA) ||
            (IHDR_colorType == PNGImageReader.PNG_COLOR_PALETTE &&
             tRNS_present &&
             (tRNS_colorType == IHDR_colorType) &&
             (tRNS_alpha != null));
        node.setAttribute("value", hasAlpha ? "nonpremultipled" : "none");
        transparency_node.appendChild(node);


        if (tRNS_present) {
            node = new IIOMetadataNode("TransparentColor");
            if (tRNS_colorType == PNGImageReader.PNG_COLOR_RGB) {
                node.setAttribute("value",
                                  Integer.toString(tRNS_red) + " " +
                                  Integer.toString(tRNS_green) + " " +
                                  Integer.toString(tRNS_blue));
            } else if (tRNS_colorType == PNGImageReader.PNG_COLOR_GRAY) {
                node.setAttribute("value", Integer.toString(tRNS_gray));
            }
            transparency_node.appendChild(node);
        }


        return transparency_node;

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