iText io.jar Source Code
io.jar is a component in iText Java library to provide input/output functionalities.
iText Java library allows you to generate and manage PDF documents.
The Source Code files are provided together with the JAR file in the binary packge like iText7-Core-7.1.4.zip. You can download it at iText 7 Core Download site.
You can compile it to generate your JAR file, using io.pom as the build configuration file.
The source code of io-7.1.4.jar is provided below:
✍: FYIcenter.com
⏎ com/itextpdf/io/colors/IccProfile.java
/*
*
* This file is part of the iText (R) project.
Copyright (c) 1998-2018 iText Group NV
* Authors: Bruno Lowagie, Paulo Soares, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
* ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
* OF THIRD PARTY RIGHTS
*
* This program 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 Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://itextpdf.com/terms-of-use/
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* In accordance with Section 7(b) of the GNU Affero General Public License,
* a covered work must retain the producer line in every PDF that is created
* or manipulated using iText.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the iText software without
* disclosing the source code of your own applications.
* These activities include: offering paid services to customers as an ASP,
* serving PDFs on the fly in a web application, shipping iText with a closed
* source product.
*
* For more information, please contact iText Software Corp. at this
* address: sales@itextpdf.com
*/
package com.itextpdf.io.colors;
import com.itextpdf.io.IOException;
import com.itextpdf.io.source.RandomAccessFileOrArray;
import com.itextpdf.io.source.RandomAccessSourceFactory;
import java.io.InputStream;
import java.io.Serializable;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.Map;
/**
* Class used to represented the International Color Consortium profile
*/
public class IccProfile implements Serializable {
private static final long serialVersionUID = -7466035855770591929L;
protected byte[] data;
protected int numComponents;
private static Map<String, Integer> cstags = new HashMap<>();
protected IccProfile() {
}
/**
* Construct an icc profile from the passed byte[], using the passed number of components.
*
* @param data byte[] containing the raw icc profile data
* @param numComponents number of components the profile contains
* @return IccProfile constructed from the data
*
* @throws IOException when the specified number of components and the number of components in the created profile do not match.
*/
public static IccProfile getInstance(byte[] data, int numComponents) {
if (data.length < 128 || data[36] != 0x61 || data[37] != 0x63
|| data[38] != 0x73 || data[39] != 0x70)
throw new IOException(IOException.InvalidIccProfile);
IccProfile icc = new IccProfile();
icc.data = data;
Integer cs;
cs = getIccNumberOfComponents(data);
int nc = cs == null ? 0 : (int) cs;
icc.numComponents = nc;
// invalid ICC
if (nc != numComponents) {
throw new com.itextpdf.io.IOException(IOException.IccProfileContains0ComponentsWhileImageDataContains1Components).setMessageParams(nc, numComponents);
}
return icc;
}
/**
* Construct an icc profile from the passed byte[], using the passed number of components.
*
* @param data byte[] containing the raw icc profile data
* @return IccProfile constructed from the data
*/
public static IccProfile getInstance(byte[] data) {
Integer cs;
cs = getIccNumberOfComponents(data);
int numComponents = cs == null ? 0 : (int) cs;
return getInstance(data, numComponents);
}
/**
* Construct an icc profile from the passed random-access file or array.
*
* @param file random-access file or array containing the profile
* @return IccProfile constructed from the data
*
* @throws IOException if the source does not contain a valid icc profile
*/
public static IccProfile getInstance(RandomAccessFileOrArray file) {
try {
byte[] head = new byte[128];
int remain = head.length;
int ptr = 0;
while (remain > 0) {
int n = file.read(head, ptr, remain);
if (n < 0)
throw new com.itextpdf.io.IOException(IOException.InvalidIccProfile);
remain -= n;
ptr += n;
}
if (head[36] != 0x61 || head[37] != 0x63
|| head[38] != 0x73 || head[39] != 0x70) {
throw new com.itextpdf.io.IOException(IOException.InvalidIccProfile);
}
remain = (head[0] & 0xff) << 24 | (head[1] & 0xff) << 16
| (head[2] & 0xff) << 8 | head[3] & 0xff;
byte[] icc = new byte[remain];
System.arraycopy(head, 0, icc, 0, head.length);
remain -= head.length;
ptr = head.length;
while (remain > 0) {
int n = file.read(icc, ptr, remain);
if (n < 0) {
throw new com.itextpdf.io.IOException(IOException.InvalidIccProfile);
}
remain -= n;
ptr += n;
}
return getInstance(icc);
} catch (Exception ex) {
throw new com.itextpdf.io.IOException(IOException.InvalidIccProfile, ex);
}
}
/**
* Construct an icc profile from the passed InputStream.
*
* @param stream inputstream containing the profile
* @return IccProfile constructed from the data
*
* @throws IOException if the source does not contain a valid icc profile
*/
public static IccProfile getInstance(InputStream stream) {
RandomAccessFileOrArray raf;
try {
raf = new RandomAccessFileOrArray(
new RandomAccessSourceFactory().createSource(stream));
} catch (java.io.IOException e) {
throw new com.itextpdf.io.IOException(IOException.InvalidIccProfile, e);
}
return getInstance(raf);
}
/**
* Construct an icc profile from the file found at the passed path
*
* @param filename path to the file contaning the profile
* @return IccProfile constructed from the data
* @throws IOException if the source does not contain a valid icc profile
*/
public static IccProfile getInstance(String filename) {
RandomAccessFileOrArray raf;
try {
raf = new RandomAccessFileOrArray(
new RandomAccessSourceFactory().createBestSource(filename));
} catch (java.io.IOException e) {
throw new com.itextpdf.io.IOException(IOException.InvalidIccProfile, e);
}
return getInstance(raf);
}
/**
* Get the Color space name of the icc profile found in the data.
*
* @param data byte[] containing the icc profile
* @return String containing the color space of the profile
* @throws IOException if the source does not contain a valid icc profile
*/
public static String getIccColorSpaceName(byte[] data) {
String colorSpace;
try {
colorSpace = new String(data, 16, 4, "US-ASCII");
} catch (UnsupportedEncodingException e) {
throw new com.itextpdf.io.IOException(IOException.InvalidIccProfile, e);
}
return colorSpace;
}
/**
* Get the device class of the icc profile found in the data.
*
* @param data byte[] containing the icc profile
* @return String containing the device class of the profile
* @throws IOException if the source does not contain a valid icc profile
*/
public static String getIccDeviceClass(byte[] data) {
String deviceClass;
try {
deviceClass = new String(data, 12, 4, "US-ASCII");
} catch (UnsupportedEncodingException e) {
throw new com.itextpdf.io.IOException(IOException.InvalidIccProfile, e);
}
return deviceClass;
}
/**
* Get the number of color components of the icc profile found in the data.
*
* @param data byte[] containing the icc profile
* @return Number of color components
*/
public static Integer getIccNumberOfComponents(byte[] data) {
return cstags.get(getIccColorSpaceName(data));
}
/**
* Get the icc color profile data.
*
* @return byte[] containing the data
*/
public byte[] getData() {
return data;
}
/**
* Get the number of color components in the profile.
*
* @return number of components
*/
public int getNumComponents() {
return numComponents;
}
static {
cstags.put("XYZ ", 3);
cstags.put("Lab ", 3);
cstags.put("Luv ", 3);
cstags.put("YCbr", 3);
cstags.put("Yxy ", 3);
cstags.put("RGB ", 3);
cstags.put("GRAY", 1);
cstags.put("HSV ", 3);
cstags.put("HLS ", 3);
cstags.put("CMYK", 4);
cstags.put("CMY ", 3);
cstags.put("2CLR", 2);
cstags.put("3CLR", 3);
cstags.put("4CLR", 4);
cstags.put("5CLR", 5);
cstags.put("6CLR", 6);
cstags.put("7CLR", 7);
cstags.put("8CLR", 8);
cstags.put("9CLR", 9);
cstags.put("ACLR", 10);
cstags.put("BCLR", 11);
cstags.put("CCLR", 12);
cstags.put("DCLR", 13);
cstags.put("ECLR", 14);
cstags.put("FCLR", 15);
}
}
⏎ com/itextpdf/io/colors/IccProfile.java
Or download all of them as a single archive file:
File name: io-7.1.4-sources.jar File size: 608762 bytes Release date: 2018-10-09 Download
⇒ iText layout.jar Source Code
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2018-04-09, 91384👍, 5💬
