org.jpedal.examples.viewer.commands.RotationLeft 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
*
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
*
* ---------------
* RotationLeft.java
* ---------------
*/
package org.jpedal.examples.viewer.commands;
import org.jpedal.examples.viewer.Values;
import org.jpedal.gui.GUIFactory;
/**
* Rotates the current document in the Viewer This class is Generic
* and does not need a specific Swing/JavaFX implementation.
*/
public class RotationLeft {
public static void execute(final GUIFactory currentGUI, final Values commonValues) {
if (commonValues.getSelectedFile() != null) {
int rot = currentGUI.getRotation() - 90;
if (rot < 0) {
rot = 270;
}
currentGUI.setRotationFromExternal(rot);
}
}
}