org.jpedal.examples.viewer.gui.SwingCursor 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 1997-2015 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
*
* ---------------
* SwingCursor.java
* ---------------
*/
package org.jpedal.examples.viewer.gui;
import java.awt.Cursor;
import java.awt.Image;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.image.BufferedImage;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import javax.imageio.ImageIO;
import static org.jpedal.examples.viewer.gui.GUI.GRABBING_CURSOR;
import static org.jpedal.examples.viewer.gui.GUI.GRAB_CURSOR;
import static org.jpedal.examples.viewer.gui.GUI.PAN_CURSOR;
import static org.jpedal.examples.viewer.gui.GUI.PAN_CURSORB;
import static org.jpedal.examples.viewer.gui.GUI.PAN_CURSORBL;
import static org.jpedal.examples.viewer.gui.GUI.PAN_CURSORBR;
import static org.jpedal.examples.viewer.gui.GUI.PAN_CURSORL;
import static org.jpedal.examples.viewer.gui.GUI.PAN_CURSORR;
import static org.jpedal.examples.viewer.gui.GUI.PAN_CURSORT;
import static org.jpedal.examples.viewer.gui.GUI.PAN_CURSORTL;
import static org.jpedal.examples.viewer.gui.GUI.PAN_CURSORTR;
import org.jpedal.utils.LogWriter;
/**
* This class controls everything todo with Swing Cursor objects
*/
public class SwingCursor {
private String iconLocation = "/org/jpedal/examples/viewer/res/";
/** grabbing cursor */
private Cursor grabCursor;
private Cursor grabbingCursor;
private Cursor panCursor;
private Cursor panCursorL;
private Cursor panCursorTL;
private Cursor panCursorT;
private Cursor panCursorTR;
private Cursor panCursorR;
private Cursor panCursorBR;
private Cursor panCursorB;
private Cursor panCursorBL;
public Cursor getCursor(final int type) {
switch (type) {
case GRAB_CURSOR:
if (grabCursor == null) {
final Toolkit kit = Toolkit.getDefaultToolkit();
final Image img = kit.getImage(getURLForImage(iconLocation+"grab32.png"));
grabCursor = kit.createCustomCursor(img, new Point(8,8),"grab");
}
return grabCursor;
case GRABBING_CURSOR:
if (grabbingCursor == null) {
final Toolkit kit = Toolkit.getDefaultToolkit();
final Image img = kit.getImage(getURLForImage(iconLocation+"grabbing32.png"));
grabbingCursor = kit.createCustomCursor(img, new Point(8,8),"grabbing");
}
return grabbingCursor;
case PAN_CURSOR:
if (panCursor == null) {
final Toolkit kit = Toolkit.getDefaultToolkit();
final Image img = kit.getImage(getURLForImage(iconLocation+"pan32.png"));
panCursor = kit.createCustomCursor(img, new Point(10,10),"pan");
}
return panCursor;
case PAN_CURSORL:
if (panCursorL == null) {
final Toolkit kit = Toolkit.getDefaultToolkit();
final Image img = kit.getImage(getURLForImage(iconLocation+"panl32.png"));
panCursorL = kit.createCustomCursor(img, new Point(11,10),"panl");
}
return panCursorL;
case PAN_CURSORTL:
if (panCursorTL == null) {
final Toolkit kit = Toolkit.getDefaultToolkit();
final Image img = kit.getImage(getURLForImage(iconLocation+"pantl32.png"));
panCursorTL = kit.createCustomCursor(img, new Point(10,10),"pantl");
}
return panCursorTL;
case PAN_CURSORT:
if (panCursorT == null) {
final Toolkit kit = Toolkit.getDefaultToolkit();
final Image img = kit.getImage(getURLForImage(iconLocation+"pant32.png"));
panCursorT = kit.createCustomCursor(img, new Point(10,11),"pant");
}
return panCursorT;
case PAN_CURSORTR:
if (panCursorTR == null) {
final Toolkit kit = Toolkit.getDefaultToolkit();
final Image img = kit.getImage(getURLForImage(iconLocation+"pantr32.png"));
panCursorTR = kit.createCustomCursor(img, new Point(10,10),"pantr");
}
return panCursorTR;
case PAN_CURSORR:
if (panCursorR == null) {
final Toolkit kit = Toolkit.getDefaultToolkit();
final Image img = kit.getImage(getURLForImage(iconLocation+"panr32.png"));
panCursorR = kit.createCustomCursor(img, new Point(10,10),"panr");
}
return panCursorR;
case PAN_CURSORBR:
if (panCursorBR == null) {
final Toolkit kit = Toolkit.getDefaultToolkit();
final Image img = kit.getImage(getURLForImage(iconLocation+"panbr32.png"));
panCursorBR = kit.createCustomCursor(img, new Point(10,10),"panbr");
}
return panCursorBR;
case PAN_CURSORB:
if (panCursorB == null) {
final Toolkit kit = Toolkit.getDefaultToolkit();
final Image img = kit.getImage(getURLForImage(iconLocation+"panb32.png"));
panCursorB = kit.createCustomCursor(img, new Point(10,10),"panb");
}
return panCursorB;
case PAN_CURSORBL:
if (panCursorBL == null) {
final Toolkit kit = Toolkit.getDefaultToolkit();
final Image img = kit.getImage(getURLForImage(iconLocation+"panbl32.png"));
panCursorBL = kit.createCustomCursor(img, new Point(10,10),"panbl");
}
return panCursorBL;
default:
return Cursor.getDefaultCursor();
}
}
public void setIconLocation(final String location){
iconLocation = location;
}
/**
* Retrieve the URL of the actual image to use f
* @param path Preferred name and location
* @return URL of file to use
*/
public URL getURLForImage(String path) {
path = iconLocation + path;
final String file = path.substring(path.lastIndexOf('/')+1);
URL url;
//Check if file location provided
path = path.substring(0, path.indexOf('.'))+".gif";
File p = new File(path);
url = getClass().getResource(path);
//It's a file location check for gif
if(p.exists()){
try {
url = p.toURI().toURL();
} catch (final MalformedURLException e) {
LogWriter.writeLog("Exception attempting get path for image " + e);
}
}
if(url==null){
path = path.substring(0, path.indexOf('.'))+".png";
p = new File(path);
url = getClass().getResource(path);
//It's a file location check for png
if(p.exists()){
try {
url = p.toURI().toURL();
} catch (final MalformedURLException e) {
LogWriter.writeLog("Exception attempting get path for image " + e);
}
}
}
if(url!=null){
return url;
}else{ //use default graphic
path = "/org/jpedal/examples/viewer/res/" +file;
url = getClass().getResource(path);
return url;
}
}
public BufferedImage getCursorImageForFX(final int type) {
switch (type) {
case GRAB_CURSOR:
try {
return ImageIO.read(getURLForImage("grab32.png"));
} catch (final Exception e) {
LogWriter.writeLog("Exception in getting image "+e);
return null;
}
case GRABBING_CURSOR:
try {
return ImageIO.read(getURLForImage("grabbing32.png"));
} catch (final Exception e) {
LogWriter.writeLog("Exception in getting image "+e);
return null;
}
default:
return null;
}
}
}
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