com.idrsolutions.pdf.acroforms.xfa.XFAUtils Maven / Gradle / Ivy
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/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/java-pdf-library-support/
*
* (C) Copyright 1997-2013, IDRsolutions and Contributors.
*
* This file is part of JPedal
*
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---------------
* XFAUtils.java
* ---------------
*/
package com.idrsolutions.pdf.acroforms.xfa;
/**
* Class provides utils for handling xfa forms
*/
public class XFAUtils {
/**
* Convert the given unit length to a millipoints value
*
* @param str input unit value
* @return double millipoints
*/
public static double convertToMilliPoints(String str) {
str = str.toLowerCase();
double retValue = 0;
retValue = Double.parseDouble(str.substring(0, str.length() - 2));
if (str != null) {
if (str.contains("pt")) {
retValue *= 1000;
}
else
if (str.contains("mm")) {
retValue *= 2834.64567;
}
else
if (str.contains("cm")) {
retValue *= 28346.4567;
}
else
if (str.contains("in")) {
retValue *= 72000;
}
else
if (str.contains("px")) {
retValue *= retValue * 1000 * (72 / 96); // assumption taken as 96 dpi system
}
else {
System.err.println("xfa value not found for " + str);
}
}
return retValue;
}
/**
* Convert the given unit length to a 96dpi pixel value
*
* @param str input unit value
* @return double pixels
*/
public static double convertToPixels96(String str) {
str = str.toLowerCase();
double retValue = 0;
retValue = Double.parseDouble(str.substring(0, str.length() - 2));
if (str != null) {
if (str.contains("pt")) {
retValue *= 1.333333333;
}
else
if (str.contains("mm")) {
retValue *= 3.779527559;
}
else
if (str.contains("cm")) {
retValue *= 37.795275591;
}
else
if (str.contains("in")) {
retValue *= 96;
}
else
if (str.contains("px")) {
retValue = retValue * 1; // assumption taken as 96 dpi system
}
else {
System.err.println("xfa value not found for " + str);
}
}
return retValue;
}
}