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com.lowagie.toolbox.plugins.Normalize Maven / Gradle / Ivy
/*
* $Id: Normalize.java 3736 2009-02-26 08:52:21Z xlv $
*
* Copyright 2005 by Carsten Hammer.
*
* 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.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import javax.swing.JInternalFrame;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.PdfArray;
import com.lowagie.text.pdf.PdfDictionary;
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.PdfWriter;
import com.lowagie.toolbox.AbstractTool;
import com.lowagie.toolbox.arguments.AbstractArgument;
import com.lowagie.toolbox.arguments.FileArgument;
import com.lowagie.toolbox.arguments.filters.PdfFilter;
/**
* @since 2.1.1 (imported from itexttoolbox project)
*/
public class Normalize
extends AbstractTool {
static {
addVersion("$Id: Normalize.java 3736 2009-02-26 08:52:21Z xlv $");
}
FileArgument destfile = null;
/**
* Constructs a Burst object.
*/
public Normalize() {
menuoptions = MENU_EXECUTE | MENU_EXECUTE_SHOW;
FileArgument inputfile = new FileArgument(this, "srcfile",
"The file you want to normalize", false,
new PdfFilter());
arguments.add(inputfile);
destfile = new FileArgument(this, "destfile", "The resulting PDF", true,
new PdfFilter());
arguments.add(destfile);
inputfile.addPropertyChangeListener(destfile);
}
/**
* @see com.lowagie.toolbox.AbstractTool#createFrame()
*/
protected void createFrame() {
internalFrame = new JInternalFrame("Normalize", true, false, true);
internalFrame.setSize(300, 80);
internalFrame.setJMenuBar(getMenubar());
System.out.println("=== Normalize OPENED ===");
}
int pagecount;
float width;
float height;
PdfDictionary lastpage = null;
float tolerancex = 60;
float tolerancey = 60;
int pagecountinsertedpages;
int pagecountrotatedpages;
protected void iteratePages(PdfDictionary page, PdfReader pdfreader,
ArrayList pageInh,
int count_in_leaf, PdfWriter writer) throws
IOException {
float curwidth;
float curheight;
PdfArray kidsPR = page.getAsArray(PdfName.KIDS);
if (kidsPR == null) {
PdfArray arr = page.getAsArray(PdfName.MEDIABOX);
curwidth = Float.parseFloat(arr.getPdfObject(2).toString());
curheight = Float.parseFloat(arr.getPdfObject(3).toString());
PdfNumber rotation = page.getAsNumber(PdfName.ROTATE);
if (rotation == null) {
System.out.println("optional rotation missing");
rotation = new PdfNumber(0);
}
Ausrichtung ausr = new Ausrichtung(rotation.floatValue(),
new Rectangle(curwidth, curheight));
switch (ausr.type) {
case Ausrichtung.A4Landscape:
case Ausrichtung.A3Portrait:
ausr.rotate();
page.put(PdfName.ROTATE, new PdfNumber(ausr.getRotation()));
System.out.println("rotate page:" + (pagecount + 1) + " targetformat: " +
ausr);
this.pagecountrotatedpages++;
break;
}
curwidth = ausr.getM5();
curheight = ausr.getM6();
if ( ( (pagecount + 1) % 2) == 0) {
if ( (Math.abs(curwidth - width) > tolerancex) ||
(Math.abs(curheight - height) > tolerancey)) {
Seitehinzufuegen(page, count_in_leaf, writer, arr);
this.pagecountinsertedpages++;
}
}
/**
* Bei ungeraden Seiten die Seitenabmessungen speichern
*/
if ( ( (pagecount + 1) % 2) == 1) {
width = curwidth;
height = curheight;
lastpage = page;
}
pageInh.add(pagecount, page);
pagecount++;
}
else {
page.put(PdfName.TYPE, PdfName.PAGES);
for (int k = 0; k < kidsPR.size(); ++k) {
PdfDictionary kid = kidsPR.getAsDict(k);
iteratePages(kid, pdfreader, pageInh, k, writer);
}
}
}
private void Seitehinzufuegen(PdfDictionary page, int count_in_leaf,
PdfWriter writer,
PdfArray array) throws IOException {
System.out.print("change!");
PdfDictionary parent = page.getAsDict(PdfName.PARENT);
PdfArray kids = parent.getAsArray(PdfName.KIDS);
PdfIndirectReference ref = writer.getPdfIndirectReference();
kids.add(count_in_leaf, ref);
PdfDictionary newPage = new PdfDictionary(PdfName.PAGE);
newPage.merge(lastpage);
newPage.remove(PdfName.CONTENTS);
newPage.remove(PdfName.ANNOTS);
newPage.put(PdfName.RESOURCES, new PdfDictionary());
writer.addToBody(newPage, ref);
PdfNumber count = null;
while (parent != null) {
count = parent.getAsNumber(PdfName.COUNT);
parent.put(PdfName.COUNT, new PdfNumber(count.intValue() + 1));
parent = parent.getAsDict(PdfName.PARENT);
}
System.out.println("page:" + (pagecount + 1) + " nr in leaf:" +
count_in_leaf + " arl x:" +
array.getPdfObject(0) + " y:" + array.getPdfObject(1) + " width:" + array.getPdfObject(2) +
" height:" + array.getPdfObject(3));
}
/**
* @see com.lowagie.toolbox.AbstractTool#execute()
*/
public void execute() {
try {
if (getValue("srcfile") == null) {
throw new InstantiationException("You need to choose a sourcefile");
}
File src = (File) getValue("srcfile");
if (getValue("destfile") == null) {
throw new InstantiationException(
"You need to choose a destination file");
}
File dest = (File) getValue("destfile");
pagecountinsertedpages = 0;
pagecountrotatedpages = 0;
pagecount = 0;
PdfReader reader = new PdfReader(src.getAbsolutePath());
PdfStamper stp = new PdfStamper(reader, new FileOutputStream(dest));
PdfWriter writer = stp.getWriter();
ArrayList pageInh = new ArrayList<>();
PdfDictionary catalog = reader.getCatalog();
PdfDictionary rootPages = catalog.getAsDict(PdfName.PAGES);
iteratePages(rootPages, reader, pageInh, 0, writer);
if ( ( (pagecount) % 2) == 1) {
appendemptypageatend(reader, writer);
this.pagecountinsertedpages++;
}
stp.close();
System.out.println("In " + dest.getAbsolutePath() + " pages= " +
pagecount +
" inserted pages=" + this.getPagecountinsertedpages() +
" rotated pages=" +
this.getPagecountrotatedpages());
}
catch (Exception e) {
e.printStackTrace(System.out);
}
}
private void appendemptypageatend(PdfReader reader, PdfWriter writer) throws
IOException {
System.out.println("last page odd. add page!");
PdfDictionary page = reader.getPageN(reader.getNumberOfPages());
PdfDictionary parent = page.getAsDict(PdfName.PARENT);
PdfArray kids = parent.getAsArray(PdfName.KIDS);
PdfIndirectReference ref = writer.getPdfIndirectReference();
kids.add(ref);
PdfDictionary newPage = new PdfDictionary(PdfName.PAGE);
newPage.merge(lastpage);
newPage.remove(PdfName.CONTENTS);
newPage.remove(PdfName.ANNOTS);
newPage.put(PdfName.RESOURCES, new PdfDictionary());
writer.addToBody(newPage, ref);
PdfNumber count = null;
while (parent != null) {
count = parent.getAsNumber(PdfName.COUNT);
parent.put(PdfName.COUNT, new PdfNumber(count.intValue() + 1));
parent = parent.getAsDict(PdfName.PARENT);
}
}
public int getPagecountinsertedpages() {
return pagecountinsertedpages;
}
public int getPagecountrotatedpages() {
return pagecountrotatedpages;
}
/**
*
* @see com.lowagie.toolbox.AbstractTool#valueHasChanged(com.lowagie.toolbox.arguments.AbstractArgument)
* @param arg StringArgument
*/
public void valueHasChanged(AbstractArgument arg) {
if (internalFrame == null) {
// if the internal frame is null, the tool was called from the command line
return;
}
// represent the changes of the argument in the internal frame
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);
}
}
/**
* Normalize PDF file.
*
* @param args String[]
*/
public static void main(String[] args) {
Normalize tool = new Normalize();
if (args.length < 2) {
System.err.println(tool.getUsage());
}
tool.setMainArguments(args);
tool.execute();
}
/**
*
* @see com.lowagie.toolbox.AbstractTool#getDestPathPDF()
* @throws InstantiationException on error
* @return File
*/
protected File getDestPathPDF() throws InstantiationException {
return (File) getValue("destfile");
}
public class Ausrichtung {
static final float tolerance = 60;
static final int UNKNOWN = 0;
static final int A4Portrait = 1;
static final int A4Landscape = 2;
static final int A3Portrait = 3;
static final int A3Landscape = 4;
float rotation;
Rectangle rect;
float m5;
float m6;
int type;
public Ausrichtung() {
this(0, new Rectangle(1, 1));
}
public Ausrichtung(float rotation, Rectangle unrotatedoriginalrect) {
this.rotation = rotation;
if ( (rotation == 90) || (rotation == 270)) {
rect = unrotatedoriginalrect.rotate();
}
else {
rect = unrotatedoriginalrect;
}
m5 = rect.getWidth();
m6 = rect.getHeight();
klassifiziere();
}
private void klassifiziere() {
if (Math.abs(rect.getWidth() - 595) < tolerance &&
Math.abs(rect.getHeight() - 842) < tolerance) {
this.type = A4Portrait;
}
else if (Math.abs(rect.getWidth() - 842) < tolerance &&
Math.abs(rect.getHeight() - 595) < tolerance) {
this.type = A4Landscape;
}
else if (Math.abs(rect.getWidth() - 1190) < tolerance &&
Math.abs(rect.getHeight() - 842) < tolerance) {
this.type = A3Landscape;
}
else if (Math.abs(rect.getWidth() - 842) < tolerance &&
Math.abs(rect.getHeight() - 1190) < tolerance) {
this.type = A3Portrait;
}
else {
type = UNKNOWN;
}
}
public float getM5() {
return m5;
}
public float getM6() {
return m6;
}
public String toString() {
String back;
switch (type) {
case UNKNOWN:
back = rect.getWidth() + "*" + rect.getHeight();
break;
case A3Landscape:
back = "A3 Landscape";
break;
case A3Portrait:
back = "A3 Portrait";
break;
case A4Landscape:
back = "A4 Landscape";
break;
case A4Portrait:
back = "A4 Portrait";
break;
default:
back = "";
}
return back;
}
public void rotate() {
rect = rect.rotate();
m5 = rect.getWidth();
m6 = rect.getHeight();
rotation += 90;
rotation = rotation % 360;
klassifiziere();
}
public float getRotation() {
return rotation;
}
}
}
