Examples with IIOMetadataNode javax.imageio.metadata.IIOMetadataNode used on opensource projects

Example 46 with IIOMetadataNode

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

the class TIFFImageMetadata method getStandardDimensionNode.

public IIOMetadataNode getStandardDimensionNode() {
    IIOMetadataNode dimension_node = new IIOMetadataNode("Dimension");
    // scratch node
    IIOMetadataNode node = null;
    TIFFField f;
    long[] xres = null;
    long[] yres = null;
    f = getTIFFField(BaselineTIFFTagSet.TAG_X_RESOLUTION);
    if (f != null) {
        xres = (long[]) f.getAsRational(0).clone();
    }
    f = getTIFFField(BaselineTIFFTagSet.TAG_Y_RESOLUTION);
    if (f != null) {
        yres = (long[]) f.getAsRational(0).clone();
    }
    if (xres != null && yres != null) {
        node = new IIOMetadataNode("PixelAspectRatio");
        // Compute (1/xres)/(1/yres)
        // (xres_denom/xres_num)/(yres_denom/yres_num) =
        // (xres_denom/xres_num)*(yres_num/yres_denom) =
        // (xres_denom*yres_num)/(xres_num*yres_denom)
        float ratio = (float) ((double) xres[1] * yres[0]) / (xres[0] * yres[1]);
        node.setAttribute("value", Float.toString(ratio));
        dimension_node.appendChild(node);
    }
    if (xres != null || yres != null) {
        // Get unit field.
        f = getTIFFField(BaselineTIFFTagSet.TAG_RESOLUTION_UNIT);
        // Set resolution unit.
        int resolutionUnit = f != null ? f.getAsInt(0) : BaselineTIFFTagSet.RESOLUTION_UNIT_INCH;
        // Have size if either centimeters or inches.
        boolean gotPixelSize = resolutionUnit != BaselineTIFFTagSet.RESOLUTION_UNIT_NONE;
        // Convert pixels/inch to pixels/centimeter.
        if (resolutionUnit == BaselineTIFFTagSet.RESOLUTION_UNIT_INCH) {
            // Divide xres by 2.54
            if (xres != null) {
                xres[0] *= 100;
                xres[1] *= 254;
            }
            // Divide yres by 2.54
            if (yres != null) {
                yres[0] *= 100;
                yres[1] *= 254;
            }
        }
        if (gotPixelSize) {
            if (xres != null) {
                float horizontalPixelSize = (float) (10.0 * xres[1] / xres[0]);
                node = new IIOMetadataNode("HorizontalPixelSize");
                node.setAttribute("value", Float.toString(horizontalPixelSize));
                dimension_node.appendChild(node);
            }
            if (yres != null) {
                float verticalPixelSize = (float) (10.0 * yres[1] / yres[0]);
                node = new IIOMetadataNode("VerticalPixelSize");
                node.setAttribute("value", Float.toString(verticalPixelSize));
                dimension_node.appendChild(node);
            }
        }
    }
    f = getTIFFField(BaselineTIFFTagSet.TAG_RESOLUTION_UNIT);
    int resolutionUnit = f != null ? f.getAsInt(0) : BaselineTIFFTagSet.RESOLUTION_UNIT_INCH;
    if (resolutionUnit == BaselineTIFFTagSet.RESOLUTION_UNIT_INCH || resolutionUnit == BaselineTIFFTagSet.RESOLUTION_UNIT_CENTIMETER) {
        f = getTIFFField(BaselineTIFFTagSet.TAG_X_POSITION);
        if (f != null) {
            long[] xpos = (long[]) f.getAsRational(0);
            float xPosition = (float) xpos[0] / (float) xpos[1];
            // Convert to millimeters.
            if (resolutionUnit == BaselineTIFFTagSet.RESOLUTION_UNIT_INCH) {
                xPosition *= 254F;
            } else {
                xPosition *= 10F;
            }
            node = new IIOMetadataNode("HorizontalPosition");
            node.setAttribute("value", Float.toString(xPosition));
            dimension_node.appendChild(node);
        }
        f = getTIFFField(BaselineTIFFTagSet.TAG_Y_POSITION);
        if (f != null) {
            long[] ypos = (long[]) f.getAsRational(0);
            float yPosition = (float) ypos[0] / (float) ypos[1];
            // Convert to millimeters.
            if (resolutionUnit == BaselineTIFFTagSet.RESOLUTION_UNIT_INCH) {
                yPosition *= 254F;
            } else {
                yPosition *= 10F;
            }
            node = new IIOMetadataNode("VerticalPosition");
            node.setAttribute("value", Float.toString(yPosition));
            dimension_node.appendChild(node);
        }
    }
    f = getTIFFField(BaselineTIFFTagSet.TAG_ORIENTATION);
    if (f != null) {
        int o = f.getAsInt(0);
        if (o >= 0 && o < orientationNames.length) {
            node = new IIOMetadataNode("ImageOrientation");
            node.setAttribute("value", orientationNames[o]);
            dimension_node.appendChild(node);
        }
    }
    return dimension_node;
}

Example 47 with IIOMetadataNode

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

the class TIFFImageMetadata method getStandardChromaNode.

public IIOMetadataNode getStandardChromaNode() {
    IIOMetadataNode chroma_node = new IIOMetadataNode("Chroma");
    // scratch node
    IIOMetadataNode node = null;
    TIFFField f;
    // Set the PhotometricInterpretation and the palette color flag.
    int photometricInterpretation = -1;
    boolean isPaletteColor = false;
    f = getTIFFField(BaselineTIFFTagSet.TAG_PHOTOMETRIC_INTERPRETATION);
    if (f != null) {
        photometricInterpretation = f.getAsInt(0);
        isPaletteColor = photometricInterpretation == BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_PALETTE_COLOR;
    }
    // Determine the number of channels.
    int numChannels = -1;
    if (isPaletteColor) {
        numChannels = 3;
    } else {
        f = getTIFFField(BaselineTIFFTagSet.TAG_SAMPLES_PER_PIXEL);
        if (f != null) {
            numChannels = f.getAsInt(0);
        } else {
            // f == null
            f = getTIFFField(BaselineTIFFTagSet.TAG_BITS_PER_SAMPLE);
            if (f != null) {
                numChannels = f.getCount();
            }
        }
    }
    if (photometricInterpretation != -1) {
        if (photometricInterpretation >= 0 && photometricInterpretation < colorSpaceNames.length) {
            node = new IIOMetadataNode("ColorSpaceType");
            String csName;
            if (photometricInterpretation == BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_CMYK && numChannels == 3) {
                csName = "CMY";
            } else {
                csName = colorSpaceNames[photometricInterpretation];
            }
            node.setAttribute("name", csName);
            chroma_node.appendChild(node);
        }
        node = new IIOMetadataNode("BlackIsZero");
        node.setAttribute("value", (photometricInterpretation == BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_WHITE_IS_ZERO) ? "FALSE" : "TRUE");
        chroma_node.appendChild(node);
    }
    if (numChannels != -1) {
        node = new IIOMetadataNode("NumChannels");
        node.setAttribute("value", Integer.toString(numChannels));
        chroma_node.appendChild(node);
    }
    f = getTIFFField(BaselineTIFFTagSet.TAG_COLOR_MAP);
    if (f != null) {
        // NOTE: The presence of hasAlpha is vestigial: there is
        // no way in TIFF to represent an alpha component in a palette
        // color image. See bug 5086341.
        boolean hasAlpha = false;
        node = new IIOMetadataNode("Palette");
        int len = f.getCount() / (hasAlpha ? 4 : 3);
        for (int i = 0; i < len; i++) {
            IIOMetadataNode entry = new IIOMetadataNode("PaletteEntry");
            entry.setAttribute("index", Integer.toString(i));
            int r = (f.getAsInt(i) * 255) / 65535;
            int g = (f.getAsInt(len + i) * 255) / 65535;
            int b = (f.getAsInt(2 * len + i) * 255) / 65535;
            entry.setAttribute("red", Integer.toString(r));
            entry.setAttribute("green", Integer.toString(g));
            entry.setAttribute("blue", Integer.toString(b));
            if (hasAlpha) {
                int alpha = 0;
                entry.setAttribute("alpha", Integer.toString(alpha));
            }
            node.appendChild(entry);
        }
        chroma_node.appendChild(node);
    }
    return chroma_node;
}

Example 48 with IIOMetadataNode

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

the class TIFFImageMetadata method getStandardDataNode.

public IIOMetadataNode getStandardDataNode() {
    IIOMetadataNode data_node = new IIOMetadataNode("Data");
    // scratch node
    IIOMetadataNode node = null;
    TIFFField f;
    boolean isPaletteColor = false;
    f = getTIFFField(BaselineTIFFTagSet.TAG_PHOTOMETRIC_INTERPRETATION);
    if (f != null) {
        isPaletteColor = f.getAsInt(0) == BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_PALETTE_COLOR;
    }
    f = getTIFFField(BaselineTIFFTagSet.TAG_PLANAR_CONFIGURATION);
    String planarConfiguration = "PixelInterleaved";
    if (f != null && f.getAsInt(0) == BaselineTIFFTagSet.PLANAR_CONFIGURATION_PLANAR) {
        planarConfiguration = "PlaneInterleaved";
    }
    node = new IIOMetadataNode("PlanarConfiguration");
    node.setAttribute("value", planarConfiguration);
    data_node.appendChild(node);
    f = getTIFFField(BaselineTIFFTagSet.TAG_PHOTOMETRIC_INTERPRETATION);
    if (f != null) {
        int photometricInterpretation = f.getAsInt(0);
        String sampleFormat = "UnsignedIntegral";
        if (photometricInterpretation == BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_PALETTE_COLOR) {
            sampleFormat = "Index";
        } else {
            f = getTIFFField(BaselineTIFFTagSet.TAG_SAMPLE_FORMAT);
            if (f != null) {
                int format = f.getAsInt(0);
                if (format == BaselineTIFFTagSet.SAMPLE_FORMAT_SIGNED_INTEGER) {
                    sampleFormat = "SignedIntegral";
                } else if (format == BaselineTIFFTagSet.SAMPLE_FORMAT_UNSIGNED_INTEGER) {
                    sampleFormat = "UnsignedIntegral";
                } else if (format == BaselineTIFFTagSet.SAMPLE_FORMAT_FLOATING_POINT) {
                    sampleFormat = "Real";
                } else {
                    // don't know
                    sampleFormat = null;
                }
            }
        }
        if (sampleFormat != null) {
            node = new IIOMetadataNode("SampleFormat");
            node.setAttribute("value", sampleFormat);
            data_node.appendChild(node);
        }
    }
    f = getTIFFField(BaselineTIFFTagSet.TAG_BITS_PER_SAMPLE);
    int[] bitsPerSample = null;
    if (f != null) {
        bitsPerSample = f.getAsInts();
    } else {
        f = getTIFFField(BaselineTIFFTagSet.TAG_COMPRESSION);
        int compression = f != null ? f.getAsInt(0) : BaselineTIFFTagSet.COMPRESSION_NONE;
        if (getTIFFField(EXIFParentTIFFTagSet.TAG_EXIF_IFD_POINTER) != null || compression == BaselineTIFFTagSet.COMPRESSION_JPEG || compression == BaselineTIFFTagSet.COMPRESSION_OLD_JPEG || getTIFFField(BaselineTIFFTagSet.TAG_JPEG_INTERCHANGE_FORMAT) != null) {
            f = getTIFFField(BaselineTIFFTagSet.TAG_PHOTOMETRIC_INTERPRETATION);
            if (f != null && (f.getAsInt(0) == BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_WHITE_IS_ZERO || f.getAsInt(0) == BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_BLACK_IS_ZERO)) {
                bitsPerSample = new int[] { 8 };
            } else {
                bitsPerSample = new int[] { 8, 8, 8 };
            }
        } else {
            bitsPerSample = new int[] { 1 };
        }
    }
    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < bitsPerSample.length; i++) {
        if (i > 0) {
            sb.append(" ");
        }
        sb.append(Integer.toString(bitsPerSample[i]));
    }
    node = new IIOMetadataNode("BitsPerSample");
    if (isPaletteColor) {
        node.setAttribute("value", repeat(sb.toString(), 3));
    } else {
        node.setAttribute("value", sb.toString());
    }
    data_node.appendChild(node);
    // SampleMSB
    f = getTIFFField(BaselineTIFFTagSet.TAG_FILL_ORDER);
    int fillOrder = f != null ? f.getAsInt(0) : BaselineTIFFTagSet.FILL_ORDER_LEFT_TO_RIGHT;
    sb = new StringBuffer();
    for (int i = 0; i < bitsPerSample.length; i++) {
        if (i > 0) {
            sb.append(" ");
        }
        int maxBitIndex = bitsPerSample[i] == 1 ? 7 : bitsPerSample[i] - 1;
        int msb = fillOrder == BaselineTIFFTagSet.FILL_ORDER_LEFT_TO_RIGHT ? maxBitIndex : 0;
        sb.append(Integer.toString(msb));
    }
    node = new IIOMetadataNode("SampleMSB");
    if (isPaletteColor) {
        node.setAttribute("value", repeat(sb.toString(), 3));
    } else {
        node.setAttribute("value", sb.toString());
    }
    data_node.appendChild(node);
    return data_node;
}

Example 49 with IIOMetadataNode

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

the class TIFFImageMetadata method getStandardCompressionNode.

public IIOMetadataNode getStandardCompressionNode() {
    IIOMetadataNode compression_node = new IIOMetadataNode("Compression");
    // scratch node
    IIOMetadataNode node = null;
    TIFFField f;
    f = getTIFFField(BaselineTIFFTagSet.TAG_COMPRESSION);
    if (f != null) {
        String compressionTypeName = null;
        int compression = f.getAsInt(0);
        // obligate initialization.
        boolean isLossless = true;
        if (compression == BaselineTIFFTagSet.COMPRESSION_NONE) {
            compressionTypeName = "None";
            isLossless = true;
        } else {
            int[] compressionNumbers = TIFFImageWriter.compressionNumbers;
            for (int i = 0; i < compressionNumbers.length; i++) {
                if (compression == compressionNumbers[i]) {
                    compressionTypeName = TIFFImageWriter.compressionTypes[i];
                    isLossless = TIFFImageWriter.isCompressionLossless[i];
                    break;
                }
            }
        }
        if (compressionTypeName != null) {
            node = new IIOMetadataNode("CompressionTypeName");
            node.setAttribute("value", compressionTypeName);
            compression_node.appendChild(node);
            node = new IIOMetadataNode("Lossless");
            node.setAttribute("value", isLossless ? "TRUE" : "FALSE");
            compression_node.appendChild(node);
        }
    }
    node = new IIOMetadataNode("NumProgressiveScans");
    node.setAttribute("value", "1");
    compression_node.appendChild(node);
    return compression_node;
}

Example 50 with IIOMetadataNode

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

the class TIFFImageMetadata method getStandardDocumentNode.

public IIOMetadataNode getStandardDocumentNode() {
    IIOMetadataNode document_node = new IIOMetadataNode("Document");
    // scratch node
    IIOMetadataNode node = null;
    TIFFField f;
    node = new IIOMetadataNode("FormatVersion");
    node.setAttribute("value", "6.0");
    document_node.appendChild(node);
    f = getTIFFField(BaselineTIFFTagSet.TAG_NEW_SUBFILE_TYPE);
    if (f != null) {
        int newSubFileType = f.getAsInt(0);
        String value = null;
        if ((newSubFileType & BaselineTIFFTagSet.NEW_SUBFILE_TYPE_TRANSPARENCY) != 0) {
            value = "TransparencyMask";
        } else if ((newSubFileType & BaselineTIFFTagSet.NEW_SUBFILE_TYPE_REDUCED_RESOLUTION) != 0) {
            value = "ReducedResolution";
        } else if ((newSubFileType & BaselineTIFFTagSet.NEW_SUBFILE_TYPE_SINGLE_PAGE) != 0) {
            value = "SinglePage";
        }
        if (value != null) {
            node = new IIOMetadataNode("SubimageInterpretation");
            node.setAttribute("value", value);
            document_node.appendChild(node);
        }
    }
    f = getTIFFField(BaselineTIFFTagSet.TAG_DATE_TIME);
    if (f != null) {
        String s = f.getAsString(0);
        // DateTime should be formatted as "YYYY:MM:DD hh:mm:ss".
        if (s.length() == 19) {
            node = new IIOMetadataNode("ImageCreationTime");
            // Files with incorrect DateTime format have been
            // observed so anticipate an exception from substring()
            // and only add the node if the format is presumably
            // correct.
            boolean appendNode;
            try {
                node.setAttribute("year", s.substring(0, 4));
                node.setAttribute("month", s.substring(5, 7));
                node.setAttribute("day", s.substring(8, 10));
                node.setAttribute("hour", s.substring(11, 13));
                node.setAttribute("minute", s.substring(14, 16));
                node.setAttribute("second", s.substring(17, 19));
                appendNode = true;
            } catch (IndexOutOfBoundsException e) {
                appendNode = false;
            }
            if (appendNode) {
                document_node.appendChild(node);
            }
        }
    }
    return document_node;
}