org.jpedal.display.Overlays Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of OpenViewerFX Show documentation
Show all versions of OpenViewerFX Show documentation
An Open Source JavaFX PDF Viewer
/*
* ===========================================
* 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
*
* ---------------
* Overlays.java
* ---------------
*/
package org.jpedal.display;
import org.jpedal.exception.PdfException;
import org.jpedal.render.DynamicVectorRenderer;
import java.awt.*;
import java.util.HashMap;
import java.util.Map;
@SuppressWarnings("UnusedDeclaration")
public class Overlays {
private final Map overlayType = new HashMap();
private final Map overlayColors = new HashMap();
private final Map overlayObj = new HashMap();
private final Map overlayTypeG = new HashMap();
private final Map overlayColorsG = new HashMap();
private final Map overlayObjG = new HashMap();
public void printAdditionalObjectsOverPage(final int page, final int[] type, final Color[] colors, final Object[] obj) throws PdfException {
final Integer key = page;
if (obj == null) { //flush page
overlayType.remove(key);
overlayColors.remove(key);
overlayObj.remove(key);
} else { //store for printing and add if items already there
final int[] oldType = (int[]) overlayType.get(key);
if (oldType == null){
overlayType.put(key, type);
}else { //merge items
final int oldLength = oldType.length;
final int newLength = type.length;
final int[] combined = new int[oldLength + newLength];
System.arraycopy(oldType, 0, combined, 0, oldLength);
System.arraycopy(type, 0, combined, oldLength, newLength);
overlayType.put(key, combined);
}
final Color[] oldCol = (Color[]) overlayColors.get(key);
if (oldCol == null) {
overlayColors.put(key, colors);
} else { //merge items
final int oldLength = oldCol.length;
final int newLength = colors.length;
final Color[] combined = new Color[oldLength + newLength];
System.arraycopy(oldCol, 0, combined, 0, oldLength);
System.arraycopy(colors, 0, combined, oldLength, newLength);
overlayColors.put(key, combined);
}
final Object[] oldObj = (Object[]) overlayObj.get(key);
if (oldType == null) {
overlayObj.put(key, obj);
} else { //merge items
final int oldLength = oldObj.length;
final int newLength = obj.length;
final Object[] combined = new Object[oldLength + newLength];
System.arraycopy(oldObj, 0, combined, 0, oldLength);
System.arraycopy(obj, 0, combined, oldLength, newLength);
overlayObj.put(key, combined);
}
}
}
public void printAdditionalObjectsOverAllPages(final int[] type, final Color[] colors, final Object[] obj) throws PdfException {
final Integer key = -1;
if (obj == null) { //flush page
overlayTypeG.remove(key);
overlayColorsG.remove(key);
overlayObjG.remove(key);
} else { //store for printing and add if items already there
final int[] oldType = (int[]) overlayTypeG.get(key);
if (oldType == null){
overlayTypeG.put(key, type);
}else { //merge items
final int oldLength = oldType.length;
final int newLength = type.length;
final int[] combined = new int[oldLength + newLength];
System.arraycopy(oldType, 0, combined, 0, oldLength);
System.arraycopy(type, 0, combined, oldLength, newLength);
overlayTypeG.put(key, combined);
}
final Color[] oldCol = (Color[]) overlayColorsG.get(key);
if (oldCol == null) {
overlayColorsG.put(key, colors);
} else { //merge items
final int oldLength = oldCol.length;
final int newLength = colors.length;
final Color[] combined = new Color[oldLength + newLength];
System.arraycopy(oldCol, 0, combined, 0, oldLength);
System.arraycopy(colors, 0, combined, oldLength, newLength);
overlayColorsG.put(key, combined);
}
final Object[] oldObj = (Object[]) overlayObjG.get(key);
if (oldType == null) {
overlayObjG.put(key, obj);
} else { //merge items
final int oldLength = oldObj.length;
final int newLength = obj.length;
final Object[] combined = new Object[oldLength + newLength];
System.arraycopy(oldObj, 0, combined, 0, oldLength);
System.arraycopy(obj, 0, combined, oldLength, newLength);
overlayObjG.put(key, combined);
}
}
}
public void clear() {
//flush arrays
overlayType.clear();
overlayColors.clear();
overlayObj.clear();
//flush arrays
overlayTypeG.clear();
overlayColorsG.clear();
overlayObjG.clear();
}
public void printOverlays(final DynamicVectorRenderer dvr, final int page) throws PdfException {
//store for printing (global first)
final Integer keyG = -1;
final int[] typeG = (int[]) overlayTypeG.get(keyG);
final Color[] colorsG = (Color[]) overlayColorsG.get(keyG);
final Object[] objG = (Object[]) overlayObjG.get(keyG);
//add to screen display
dvr.drawAdditionalObjectsOverPage(typeG, colorsG, objG);
//store for printing
final Integer key = page;
final int[] type = (int[]) overlayType.get(key);
final Color[] colors = (Color[]) overlayColors.get(key);
final Object[] obj = (Object[]) overlayObj.get(key);
//add to screen display
dvr.drawAdditionalObjectsOverPage(type, colors, obj);
}
}