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/*
* $Id: Add3D.java 3373 2008-05-12 16:21:24Z xlv $
*
* Adapted from an example in C# from Christian Neuhold
* published on the itext mailing list by Paulo Soares at 16. April 2007.
* Changes by Paulo Soares to display without the need to click.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
package com.lowagie.toolbox.plugins;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import javax.swing.JInternalFrame;
import javax.swing.JOptionPane;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Image;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.PdfAction;
import com.lowagie.text.pdf.PdfAnnotation;
import com.lowagie.text.pdf.PdfAppearance;
import com.lowagie.text.pdf.PdfArray;
import com.lowagie.text.pdf.PdfBoolean;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfDictionary;
import com.lowagie.text.pdf.PdfEncodings;
import com.lowagie.text.pdf.PdfFormField;
import com.lowagie.text.pdf.PdfIndirectObject;
import com.lowagie.text.pdf.PdfIndirectReference;
import com.lowagie.text.pdf.PdfName;
import com.lowagie.text.pdf.PdfNumber;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfStamper;
import com.lowagie.text.pdf.PdfStream;
import com.lowagie.text.pdf.PdfString;
import com.lowagie.text.pdf.PdfWriter;
import com.lowagie.text.pdf.PushbuttonField;
import com.lowagie.toolbox.AbstractTool;
import com.lowagie.toolbox.arguments.AbstractArgument;
import com.lowagie.toolbox.arguments.FileArgument;
import com.lowagie.toolbox.arguments.StringArgument;
import com.lowagie.toolbox.arguments.filters.PdfFilter;
import com.lowagie.toolbox.arguments.filters.U3DFilter;
/**
* This tool lets you add a embedded u3d 3d annotation to the first page of a document. Look for
* sample files at http://u3d.svn.sourceforge.net/viewvc/u3d/trunk/Source/Samples/Data/
* @since 2.1.1 (imported from itexttoolbox project)
*/
public class Add3D extends AbstractTool {
static {
addVersion("$Id: Add3D.java 3373 2008-05-12 16:21:24Z xlv $");
}
FileArgument destfile = null;
public static final String PDF_NAME_3D = "3D";
public static final String PDF_NAME_3DD = "3DD";
public static final String PDF_NAME_3DV = "3DV";
public static final String PDF_NAME_3DVIEW = "3DView";
public static final String PDF_NAME_C2W = "C2W";
public static final String PDF_NAME_IN = "IN";
public static final String PDF_NAME_MS = "MS";
public static final String PDF_NAME_U3D = "U3D";
public static final String PDF_NAME_XN = "XN";
/**
* This tool lets you add a embedded u3d 3d annotation to the first page of a document.
*/
public Add3D() {
super();
menuoptions = MENU_EXECUTE | MENU_EXECUTE_SHOW;
FileArgument inputfile = new FileArgument(this, "srcfile",
"The file you want to add the u3d File", false,
new PdfFilter());
arguments.add(inputfile);
FileArgument u3dinputfile = new FileArgument(this, "srcu3dfile",
"The u3d file you want to add", false,
new U3DFilter());
arguments.add(u3dinputfile);
StringArgument pagenumber = new StringArgument(this, "pagenumber",
"The pagenumber where to add the u3d annotation");
pagenumber.setValue("1");
arguments.add(pagenumber);
destfile = new FileArgument(this, "destfile",
"The file that contains the u3d annotation after processing",
true, new PdfFilter());
arguments.add(destfile);
inputfile.addPropertyChangeListener(destfile);
}
/**
* Creates the internal frame.
*
*/
protected void createFrame() {
internalFrame = new JInternalFrame("Add3D", true, true, true);
internalFrame.setSize(300, 80);
internalFrame.setJMenuBar(getMenubar());
System.out.println("=== Add3D OPENED ===");
}
/**
* Executes the tool (in most cases this generates a PDF file).
*
*/
public void execute() {
try {
if (getValue("srcfile") == null) {
throw new InstantiationException(
"You need to choose a sourcefile");
}
if (getValue("srcu3dfile") == null) {
throw new InstantiationException(
"You need to choose a u3d file");
}
if (getValue("destfile") == null) {
throw new InstantiationException(
"You need to choose a destination file");
}
int pagenumber = Integer.parseInt( (String) getValue("pagenumber"));
// Create 3D annotation
// Required definitions
PdfIndirectReference streamRef;
PdfIndirectObject objRef;
PdfReader reader = new PdfReader(((File) getValue("srcfile"))
.getAbsolutePath());
String u3dFileName = ((File) getValue("srcu3dfile"))
.getAbsolutePath();
PdfStamper stamp = new PdfStamper(reader, new FileOutputStream(
(File) getValue("destfile")));
PdfWriter wr = stamp.getWriter();
PdfContentByte cb = stamp.getUnderContent(pagenumber);
Rectangle rectori = reader.getCropBox(pagenumber);
Rectangle rect = new Rectangle(new Rectangle(100,
rectori.getHeight() - 550, rectori.getWidth() - 100,
rectori.getHeight() - 150));
PdfStream oni = new PdfStream(PdfEncodings.convertToBytes(
"runtime.setCurrentTool(\"Rotate\");", null));
oni.flateCompress();
// Create stream to carry attachment
PdfStream stream = new PdfStream(new FileInputStream(u3dFileName),
wr);
stream.put(new PdfName("OnInstantiate"),
wr.addToBody(oni).getIndirectReference());
stream.put(PdfName.TYPE, new PdfName(PDF_NAME_3D)); // Mandatory keys
stream.put(PdfName.SUBTYPE, new PdfName(PDF_NAME_U3D));
stream.flateCompress();
streamRef = wr.addToBody(stream).getIndirectReference(); // Write stream contents, get reference to stream object, write actual stream length
stream.writeLength();
// Create 3D view dictionary
// PDF documentation states that this can be left out, but without normally we will just get a blank 3D image because of wrong coordinate space transformations, etc.
// Instead of providing camera-to-world transformation here, we could also reference view in U3D file itself (would be U3DPath key instead of C2W key, U3D value instead of M value for MS key), but i haven't tried up to now
// We could also provide an activation dictionary (defining activation behavior), and field-of-view for P entry if needed
PdfDictionary dict = new PdfDictionary(new PdfName(PDF_NAME_3DVIEW));
dict.put(new PdfName(PDF_NAME_XN), new PdfString("Default"));
dict.put(new PdfName(PDF_NAME_IN), new PdfString("Unnamed"));
dict.put(new PdfName(PDF_NAME_MS), PdfName.M); // States that we have to provide camera-to-world coordinate transformation
dict.put(new PdfName(PDF_NAME_C2W),
new PdfArray(new float[] {1, 0, 0, 0, 0, -1, 0, 1, 0, 3,
-235, 28F})); // 3d transformation matrix (demo for teapot)
dict.put(PdfName.CO, new PdfNumber(235)); // Camera distance along z-axis (demo for teapot)
objRef = wr.addToBody(dict); // Write view dictionary, get reference
// Create appearance
PdfAppearance ap = cb.createAppearance(rect.getRight() - rect.getLeft(),
rect.getTop() - rect.getBottom());
ap.setBoundingBox(rect);
// Create annotation with reference to stream
PdfAnnotation annot = new PdfAnnotation(wr, rect);
annot.put(PdfName.CONTENTS, new PdfString("3D Model"));
annot.put(PdfName.SUBTYPE, new PdfName(PDF_NAME_3D)); // Mandatory keys
annot.put(PdfName.TYPE, PdfName.ANNOT);
annot.put(new PdfName(PDF_NAME_3DD), streamRef); // Reference to stream object
annot.put(new PdfName(PDF_NAME_3DV), objRef.getIndirectReference()); // Reference to view dictionary object
annot.put(new PdfName("3DI"), PdfBoolean.PDFFALSE);
PdfDictionary adi = new PdfDictionary();
adi.put(PdfName.A, new PdfName("PO"));
adi.put(new PdfName("DIS"), PdfName.I);
annot.put(new PdfName("3DA"), adi);
annot.setAppearance(PdfAnnotation.APPEARANCE_NORMAL, ap); // Assign appearance and page
annot.setPage();
// Actually write annotation
stamp.addAnnotation(annot, pagenumber);
AddButton(100, 100, "Rotate",
"im = this.getAnnots3D(0)[0].context3D;\rim.runtime.setCurrentTool(\"Rotate\");",
"rotate.png", wr);
AddButton(150, 100, "Pan",
"im = this.getAnnots3D(0)[0].context3D;\rim.runtime.setCurrentTool(\"Pan\");",
"translate.png", wr);
AddButton(200, 100, "Zoom",
"im = this.getAnnots3D(0)[0].context3D;\rim.runtime.setCurrentTool(\"Zoom\");",
"zoom.png", wr);
stamp.close();
} catch (Exception e) {
JOptionPane.showMessageDialog(internalFrame, e.getMessage(), e
.getClass().getName(),
JOptionPane.ERROR_MESSAGE);
System.err.println(e.getMessage());
}
}
public static void AddButton(float x, float y, String fname, String js,
String image, PdfWriter wr) {
try {
// URL url=Add3D.class.getResource(
// image);
// PdfFileSpecification fs=PdfFileSpecification.fileEmbedded(wr,image,image,null);
// wr.addAnnotation(PdfAnnotation.createScreen(wr,new Rectangle(x, y, x + img.plainWidth(),
// y + img.plainHeight())));
Image img = Image.getInstance(image);
PushbuttonField bt = new PushbuttonField(wr,
new Rectangle(x, y, x + img.getPlainWidth(),
y + img.getPlainHeight()), fname);
bt.setLayout(PushbuttonField.LAYOUT_ICON_ONLY);
bt.setImage(img);
PdfFormField ff = bt.getField();
PdfAction ac = PdfAction.javaScript(js, wr);
ff.setAction(ac);
wr.addAnnotation(ff);
} catch (IOException | DocumentException ignored) {
// ignored
}
}
/**
* Gets the PDF file that should be generated (or null if the output isn't a
* PDF file).
*
* @return the PDF file that should be generated
* @throws InstantiationException on error
*/
protected File getDestPathPDF() throws InstantiationException {
return (File) getValue("destfile");
}
/**
* Indicates that the value of an argument has changed.
*
* @param arg
* the argument that has changed
*/
public void valueHasChanged(AbstractArgument arg) {
if (internalFrame == null) {
// if the internal frame is null, the tool was called from the
// command line
return;
}
if (destfile.getValue() == null &&
arg.getName().equalsIgnoreCase("srcfile")) {
String filename = arg.getValue().toString();
String filenameout = filename.substring(0, filename.indexOf(".",
filename.length() - 4)) + "_out.pdf";
destfile.setValue(filenameout);
}
}
/**
* This methods helps you running this tool as a standalone application.
* @param args the srcfile and destfile
*/
public static void main(String[] args) {
Add3D add3d = new Add3D();
if (args.length != 4) {
System.err.println(add3d.getUsage());
}
add3d.setMainArguments(args);
add3d.execute();
}
}
