net.sf.jasperreports.engine.export.LengthUtil Maven / Gradle / Ivy
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2019 TIBCO Software Inc. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports 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 3 of the License, or
* (at your option) any later version.
*
* JasperReports 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 JasperReports. If not, see .
*/
package net.sf.jasperreports.engine.export;
/**
* @author Teodor Danciu ([email protected])
*/
public final class LengthUtil
{
/**
* Converts pixels to inches without decimal truncation.
*/
public static double inch(double pixels)
{
double inches = 0.0;
inches = pixels / 72.0;
return inches;
}
/**
*
*/
public static double inchFloor2Dec(double pixels)
{
double inches = 0.0;
inches = pixels / 72.0;
inches = (Math.floor(inches * 100.0)) / 100.0;
return inches;
}
/**
*
*/
public static double inchFloor4Dec(double pixels)
{
double inches = 0.0;
inches = pixels / 72.0;
inches = (Math.floor(inches * 10000.0)) / 10000.0;
return inches;
}
/**
* @deprecated Replaced by {@link #inchRound2Dec(double)}.
*/
public static double inchRound(double pixels)
{
return inchRound2Dec(pixels);
}
/**
*
*/
public static double inchRound2Dec(double pixels)
{
double inches = 0.0;
inches = pixels / 72.0;
inches = (Math.round(inches * 100.0)) / 100.0;
return inches;
}
/**
* @deprecated Replaced by {@link #inch(double)}.
*/
public static double inchNoRound(double pixels)
{
return inch(pixels);
}
/**
*
*/
public static double inchRound4Dec(double pixels)
{
double inches = 0.0;
inches = pixels / 72.0;
inches = (Math.round(inches * 10000.0)) / 10000.0;
return inches;
}
/**
* Convert a float value to twips (multiply with 20)
* @param points value that need to be converted
* @return converted value in twips
*/
public static int twip(float points)
{
return (int)(points * 20);
}
/**
* Convert an int value from points to EMU (multiply with 12700)
* @param points value that needs to be converted
* @return converted value in EMU
*/
public static int emu(float points)
{
return (int)(points * 12700);
}
/**
*
*/
public static int halfPoint(float pixels)
{
return (int)(pixels * 8);
}
private LengthUtil()
{
}
}