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/*
*
* This file is part of the iText (R) project.
Copyright (c) 1998-2020 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: [email protected]
*/
package com.itextpdf.text.pdf;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import com.itextpdf.text.ExceptionConverter;
import com.itextpdf.text.error_messages.MessageLocalization;
public class ICC_Profile {
protected byte[] data;
protected int numComponents;
private static HashMap cstags = new HashMap();
protected ICC_Profile() {
}
public static ICC_Profile getInstance(byte[] data, int numComponents) {
if (data.length < 128 || data[36] != 0x61 || data[37] != 0x63
|| data[38] != 0x73 || data[39] != 0x70)
throw new IllegalArgumentException(MessageLocalization.getComposedMessage("invalid.icc.profile"));
try {
ICC_Profile icc = new ICC_Profile();
icc.data = data;
Integer cs;
cs = cstags.get(new String(data, 16, 4, "US-ASCII"));
int nc = cs == null ? 0 : cs.intValue();
icc.numComponents = nc;
// invalid ICC
if (nc != numComponents) {
throw new IllegalArgumentException("ICC profile contains " + nc + " component(s), the image data contains " + numComponents + " component(s)");
}
return icc;
} catch (UnsupportedEncodingException e) {
throw new ExceptionConverter(e);
}
}
public static ICC_Profile getInstance(byte[] data) {
try {
Integer cs;
cs = cstags.get(new String(data, 16, 4, "US-ASCII"));
int numComponents = cs == null ? 0 : cs.intValue();
return getInstance(data, numComponents);
} catch (UnsupportedEncodingException e) {
throw new ExceptionConverter(e);
}
}
public static ICC_Profile getInstance(InputStream 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 IllegalArgumentException(MessageLocalization.getComposedMessage("invalid.icc.profile"));
remain -= n;
ptr += n;
}
if (head[36] != 0x61 || head[37] != 0x63
|| head[38] != 0x73 || head[39] != 0x70)
throw new IllegalArgumentException(MessageLocalization.getComposedMessage("invalid.icc.profile"));
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 IllegalArgumentException(MessageLocalization.getComposedMessage("invalid.icc.profile"));
remain -= n;
ptr += n;
}
return getInstance(icc);
}
catch (Exception ex) {
throw new ExceptionConverter(ex);
}
}
public static ICC_Profile GetInstance(String fname) {
FileInputStream fs = null;
try {
fs = new FileInputStream(fname);
ICC_Profile icc = getInstance(fs);
return icc;
}
catch (Exception ex) {
throw new ExceptionConverter(ex);
}
finally {
try{fs.close();}catch(Exception x){}
}
}
public byte[] getData() {
return data;
}
public int getNumComponents() {
return numComponents;
}
static {
cstags.put("XYZ ", Integer.valueOf(3));
cstags.put("Lab ", Integer.valueOf(3));
cstags.put("Luv ", Integer.valueOf(3));
cstags.put("YCbr", Integer.valueOf(3));
cstags.put("Yxy ", Integer.valueOf(3));
cstags.put("RGB ", Integer.valueOf(3));
cstags.put("GRAY", Integer.valueOf(1));
cstags.put("HSV ", Integer.valueOf(3));
cstags.put("HLS ", Integer.valueOf(3));
cstags.put("CMYK", Integer.valueOf(4));
cstags.put("CMY ", Integer.valueOf(3));
cstags.put("2CLR", Integer.valueOf(2));
cstags.put("3CLR", Integer.valueOf(3));
cstags.put("4CLR", Integer.valueOf(4));
cstags.put("5CLR", Integer.valueOf(5));
cstags.put("6CLR", Integer.valueOf(6));
cstags.put("7CLR", Integer.valueOf(7));
cstags.put("8CLR", Integer.valueOf(8));
cstags.put("9CLR", Integer.valueOf(9));
cstags.put("ACLR", Integer.valueOf(10));
cstags.put("BCLR", Integer.valueOf(11));
cstags.put("CCLR", Integer.valueOf(12));
cstags.put("DCLR", Integer.valueOf(13));
cstags.put("ECLR", Integer.valueOf(14));
cstags.put("FCLR", Integer.valueOf(15));
}
}
