/*
* Copyright (c) 2003, 2013, 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.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javax.imageio.ImageTypeSpecifier;
import javax.imageio.metadata.IIOMetadata;
import javax.imageio.metadata.IIOMetadataNode;
import javax.imageio.metadata.IIOMetadataFormat;
import javax.imageio.metadata.IIOMetadataFormatImpl;
import org.w3c.dom.Node;
import com.sun.imageio.plugins.common.I18N;
import com.sun.imageio.plugins.common.ImageUtil;
public class BMPMetadata extends IIOMetadata implements BMPConstants {
public static final String nativeMetadataFormatName =
"javax_imageio_bmp_1.0";
// Fields for Image Descriptor
public String bmpVersion;
public int width ;
public int height;
public short bitsPerPixel;
public int compression;
public int imageSize;
// Fields for PixelsPerMeter
public int xPixelsPerMeter;
public int yPixelsPerMeter;
public int colorsUsed;
public int colorsImportant;
// Fields for BI_BITFIELDS compression(Mask)
public int redMask;
public int greenMask;
public int blueMask;
public int alphaMask;
public int colorSpace;
// Fields for CIE XYZ for the LCS_CALIBRATED_RGB color space
public double redX;
public double redY;
public double redZ;
public double greenX;
public double greenY;
public double greenZ;
public double blueX;
public double blueY;
public double blueZ;
// Fields for Gamma values for the LCS_CALIBRATED_RGB color space
public int gammaRed;
public int gammaGreen;
public int gammaBlue;
public int intent;
// Fields for the Palette and Entries
public byte[] palette = null;
public int paletteSize;
public int red;
public int green;
public int blue;
public BMPMetadata() {
super(true,
nativeMetadataFormatName,
"com.sun.imageio.plugins.bmp.BMPMetadataFormat",
null, null);
}
public boolean isReadOnly() {
return true;
}
public Node getAsTree(String formatName) {
if (formatName.equals(nativeMetadataFormatName)) {
return getNativeTree();
} else if (formatName.equals
(IIOMetadataFormatImpl.standardMetadataFormatName)) {
return getStandardTree();
} else {
throw new IllegalArgumentException(I18N.getString("BMPMetadata0"));
}
}
private String toISO8859(byte[] data) {
try {
return new String(data, "ISO-8859-1");
} catch (UnsupportedEncodingException e) {
return "";
}
}
private Node getNativeTree() {
IIOMetadataNode root =
new IIOMetadataNode(nativeMetadataFormatName);
addChildNode(root, "BMPVersion", bmpVersion);
addChildNode(root, "Width", width);
addChildNode(root, "Height", height);
addChildNode(root, "BitsPerPixel", Short.valueOf(bitsPerPixel));
addChildNode(root, "Compression", compression);
addChildNode(root, "ImageSize", imageSize);
IIOMetadataNode node = addChildNode(root, "PixelsPerMeter", null);
addChildNode(node, "X", xPixelsPerMeter);
addChildNode(node, "Y", yPixelsPerMeter);
addChildNode(root, "ColorsUsed", colorsUsed);
addChildNode(root, "ColorsImportant", 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", redMask);
addChildNode(node, "Green", greenMask);
addChildNode(node, "Blue", blueMask);
addChildNode(node, "Alpha", alphaMask);
addChildNode(root, "ColorSpaceType", 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", 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", Byte.valueOf((byte)red));
addChildNode(entry, "Green", Byte.valueOf((byte)green));
addChildNode(entry, "Blue", Byte.valueOf((byte)blue));
if (numComps == 4)
addChildNode(entry, "Alpha",
Byte.valueOf((byte)(palette[j++] & 0xff)));
}
}
return root;
}
// 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;
}
return null;
}
protected IIOMetadataNode getStandardCompressionNode() {
IIOMetadataNode node = new IIOMetadataNode("Compression");
// CompressionTypeName
IIOMetadataNode subNode = new IIOMetadataNode("CompressionTypeName");
subNode.setAttribute("value", BMPCompressionTypes.getName(compression));
node.appendChild(subNode);
return node;
}
protected IIOMetadataNode getStandardDataNode() {
IIOMetadataNode node = new IIOMetadataNode("Data");
String bits = "";
if (bitsPerPixel == 24)
bits = "8 8 8 ";
else if (bitsPerPixel == 16 || bitsPerPixel == 32) {
bits = "" + countBits(redMask) + " " + countBits(greenMask) +
countBits(blueMask) + "" + countBits(alphaMask);
}
IIOMetadataNode subNode = new IIOMetadataNode("BitsPerSample");
subNode.setAttribute("value", bits);
node.appendChild(subNode);
return node;
}
protected IIOMetadataNode getStandardDimensionNode() {
if (yPixelsPerMeter > 0.0F && xPixelsPerMeter > 0.0F) {
IIOMetadataNode node = new IIOMetadataNode("Dimension");
float ratio = yPixelsPerMeter / xPixelsPerMeter;
IIOMetadataNode subNode = new IIOMetadataNode("PixelAspectRatio");
subNode.setAttribute("value", "" + ratio);
node.appendChild(subNode);
subNode = new IIOMetadataNode("HorizontalPhysicalPixelSpacing");
subNode.setAttribute("value", "" + (1000.0F / xPixelsPerMeter));
node.appendChild(subNode);
subNode = new IIOMetadataNode("VerticalPhysicalPixelSpacing");
subNode.setAttribute("value", "" + (1000.0F / yPixelsPerMeter));
node.appendChild(subNode);
return node;
}
return null;
}
public void setFromTree(String formatName, Node root) {
throw new IllegalStateException(I18N.getString("BMPMetadata1"));
}
public void mergeTree(String formatName, Node root) {
throw new IllegalStateException(I18N.getString("BMPMetadata1"));
}
public void reset() {
/**代码未完, 请加载全部代码(NowJava.com).**/