Java example source code file (BMPMetadataFormat.java)

This example Java source code file (BMPMetadataFormat.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

bi_bitfields_mask, bmpmetadataformat, child_policy_empty, colorsimportant, colorspace, commentextension, datatype_double, datatype_integer, image, imagedescriptor, imageio, intent, lcs_calibrated_rgb, lcs_calibrated_rgb_gamma, paletteentry, pixelspermeter, util

The BMPMetadataFormat.java Java example source code

/*
 * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.sun.imageio.plugins.bmp;

import java.util.Arrays;
import javax.imageio.ImageTypeSpecifier;
import javax.imageio.metadata.IIOMetadataFormat;
import javax.imageio.metadata.IIOMetadataFormatImpl;

public class BMPMetadataFormat extends IIOMetadataFormatImpl {

    private static IIOMetadataFormat instance = null;

    private BMPMetadataFormat() {
        super(BMPMetadata.nativeMetadataFormatName,
              CHILD_POLICY_SOME);

        // root -> ImageDescriptor
        addElement("ImageDescriptor",
                   BMPMetadata.nativeMetadataFormatName,
                   CHILD_POLICY_EMPTY);
        addAttribute("ImageDescriptor", "bmpVersion",
                     DATATYPE_STRING, true, null);
        addAttribute("ImageDescriptor", "width",
                     DATATYPE_INTEGER, true, null,
                     "0", "65535", true, true);
        addAttribute("ImageDescriptor", "height",
                     DATATYPE_INTEGER, true, null,
                     "1", "65535", true, true);
        addAttribute("ImageDescriptor", "bitsPerPixel",
                     DATATYPE_INTEGER, true, null,
                     "1", "65535", true, true);
        addAttribute("ImageDescriptor", "compression",
                      DATATYPE_INTEGER, false, null);
        addAttribute("ImageDescriptor", "imageSize",
                     DATATYPE_INTEGER, true, null,
                     "1", "65535", true, true);

        addElement("PixelsPerMeter",
                   BMPMetadata.nativeMetadataFormatName,
                   CHILD_POLICY_EMPTY);
        addAttribute("PixelsPerMeter", "X",
                     DATATYPE_INTEGER, false, null,
                     "1", "65535", true, true);
        addAttribute("PixelsPerMeter", "Y",
                     DATATYPE_INTEGER, false, null,
                     "1", "65535", true, true);

        addElement("ColorsUsed",
                   BMPMetadata.nativeMetadataFormatName,
                   CHILD_POLICY_EMPTY);
        addAttribute("ColorsUsed", "value",
                     DATATYPE_INTEGER, true, null,
                     "0", "65535", true, true);

        addElement("ColorsImportant",
                   BMPMetadata.nativeMetadataFormatName,
                   CHILD_POLICY_EMPTY);
        addAttribute("ColorsImportant", "value",
                     DATATYPE_INTEGER, false, null,
                     "0", "65535", true, true);

        addElement("BI_BITFIELDS_Mask",
                   BMPMetadata.nativeMetadataFormatName,
                   CHILD_POLICY_EMPTY);
        addAttribute("BI_BITFIELDS_Mask", "red",
                     DATATYPE_INTEGER, false, null,
                     "0", "65535", true, true);
        addAttribute("BI_BITFIELDS_Mask", "green",
                     DATATYPE_INTEGER, false, null,
                     "0", "65535", true, true);
        addAttribute("BI_BITFIELDS_Mask", "blue",
                     DATATYPE_INTEGER, false, null,
                     "0", "65535", true, true);

        addElement("ColorSpace",
                   BMPMetadata.nativeMetadataFormatName,
                   CHILD_POLICY_EMPTY);
        addAttribute("ColorSpace", "value",
                     DATATYPE_INTEGER, false, null,
                     "0", "65535", true, true);

        addElement("LCS_CALIBRATED_RGB",
                   BMPMetadata.nativeMetadataFormatName,
                   CHILD_POLICY_EMPTY);

        /// Should the max value be 1.7976931348623157e+308 ?
        addAttribute("LCS_CALIBRATED_RGB", "redX",
                     DATATYPE_DOUBLE, false, null,
                     "0", "65535", true, true);
        addAttribute("LCS_CALIBRATED_RGB", "redY",
                     DATATYPE_DOUBLE, false, null,
                     "0", "65535", true, true);
        addAttribute("LCS_CALIBRATED_RGB", "redZ",
                     DATATYPE_DOUBLE, false, null,
                     "0", "65535", true, true);
        addAttribute("LCS_CALIBRATED_RGB", "greenX",
                     DATATYPE_DOUBLE, false, null,
                     "0", "65535", true, true);
        addAttribute("LCS_CALIBRATED_RGB", "greenY",
                     DATATYPE_DOUBLE, false, null,
                     "0", "65535", true, true);
        addAttribute("LCS_CALIBRATED_RGB", "greenZ",
                     DATATYPE_DOUBLE, false, null,
                     "0", "65535", true, true);
        addAttribute("LCS_CALIBRATED_RGB", "blueX",
                     DATATYPE_DOUBLE, false, null,
                     "0", "65535", true, true);
        addAttribute("LCS_CALIBRATED_RGB", "blueY",
                     DATATYPE_DOUBLE, false, null,
                     "0", "65535", true, true);
        addAttribute("LCS_CALIBRATED_RGB", "blueZ",
                     DATATYPE_DOUBLE, false, null,
                     "0", "65535", true, true);

        addElement("LCS_CALIBRATED_RGB_GAMMA",
                   BMPMetadata.nativeMetadataFormatName,
                   CHILD_POLICY_EMPTY);
        addAttribute("LCS_CALIBRATED_RGB_GAMMA","red",
                     DATATYPE_INTEGER, false, null,
                     "0", "65535", true, true);
        addAttribute("LCS_CALIBRATED_RGB_GAMMA","green",
                     DATATYPE_INTEGER, false, null,
                     "0", "65535", true, true);
        addAttribute("LCS_CALIBRATED_RGB_GAMMA","blue",
                     DATATYPE_INTEGER, false, null,
                     "0", "65535", true, true);

        addElement("Intent",
                   BMPMetadata.nativeMetadataFormatName,
                   CHILD_POLICY_EMPTY);
        addAttribute("Intent", "value",
                     DATATYPE_INTEGER, false, null,
                     "0", "65535", true, true);

        // root -> Palette
        addElement("Palette",
                   BMPMetadata.nativeMetadataFormatName,
                   2, 256);
        addAttribute("Palette", "sizeOfPalette",
                     DATATYPE_INTEGER, true, null);
        addBooleanAttribute("Palette", "sortFlag",
                            false, false);

        // root -> Palette -> PaletteEntry
        addElement("PaletteEntry", "Palette",
                   CHILD_POLICY_EMPTY);
        addAttribute("PaletteEntry", "index",
                     DATATYPE_INTEGER, true, null,
                     "0", "255", true, true);
        addAttribute("PaletteEntry", "red",
                     DATATYPE_INTEGER, true, null,
                     "0", "255", true, true);
        addAttribute("PaletteEntry", "green",
                     DATATYPE_INTEGER, true, null,
                     "0", "255", true, true);
        addAttribute("PaletteEntry", "blue",
                     DATATYPE_INTEGER, true, null,
                     "0", "255", true, true);


        // root -> CommentExtensions
        addElement("CommentExtensions",
                   BMPMetadata.nativeMetadataFormatName,
                   1, Integer.MAX_VALUE);

        // root -> CommentExtensions -> CommentExtension
        addElement("CommentExtension", "CommentExtensions",
                   CHILD_POLICY_EMPTY);
        addAttribute("CommentExtension", "value",
                     DATATYPE_STRING, true, null);
    }

    public boolean canNodeAppear(String elementName,
                                 ImageTypeSpecifier imageType) {
        return true;
    }

    public static synchronized IIOMetadataFormat getInstance() {
        if (instance == null) {
            instance = new BMPMetadataFormat();
        }
        return instance;
    }
}