org.jpedal.utils.DPIFactory Maven / Gradle / Ivy
/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2017 IDRsolutions and Contributors.
*
* This file is part of JPedal/JPDF2HTML5
*
@LICENSE@
*
* ---------------
* DPIFactory.java
* ---------------
*/
package org.jpedal.utils;
public class DPIFactory {
//Current DPI value, Java is 72 by default
private float dpi = 72f;
/**
* Corrects the image scaling to take into account the user specified DPI value
*
* @param scaling :: Raw scaling value before DPI is applied (DPI of 72 is default)
* @return Corrected scaling in the form of a float
*/
public float adjustScaling(final float scaling) {
return scaling * (dpi / 72f);
}
/**
* Corrects the image scaling to take into account the user specified DPI value
*
* @param scaling :: Raw scaling value before DPI is applied (DPI of 72 is default)
* @return Corrected scaling in the form of a float
*/
public float removeScaling(final float scaling) {
return scaling / (dpi / 72f);
}
/**
* Get the current value of the user defined DPI (default = 72)
*
* @return :: The current DPI value as a float
*/
public float getDpi() {
return dpi;
}
/**
* Sets the current DPI to the input value dpi
*
* @param dpi :: The new dpi value expressed as a float
*/
public void setDpi(final float dpi) {
this.dpi = dpi;
}
}