/*
* $Id$
* Copyright (c) 2005-2007 Bruno Lowagie, 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.
*/
/*
* This class was originally published under the MPL by Bruno Lowagie
* and Carsten Hammer. The introduction of the DirFilter by Johannes
* Schindelin had an impact on this class. Darryl Miles suggested a bugfix
* that was implemented by Bruno Lowagie.
* It was a part of iText, a Java-PDF library. You can now use it under
* the MIT License; for backward compatibility you can also use it under
* the MPL version 1.1: http://www.mozilla.org/MPL/
* A copy of the MPL license is bundled with the source code FYI.
*/
package com.lowagie.toolbox.plugins;
import java.io.File;
import java.io.FileOutputStream;
import java.util.TreeSet;
import javax.swing.JInternalFrame;
import javax.swing.JOptionPane;
import com.lowagie.text.LwgDocument;
import com.lowagie.text.LwgImage;
import com.lowagie.text.LwgRectangle;
import com.lowagie.text.pdf.PdfPageLabels;
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.DirFilter;
import com.lowagie.toolbox.arguments.filters.PdfFilter;
import com.lowagie.text.pdf.PdfGState;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.BaseFont;
/**
* Converts the image files in a directory to a PDF file that acts as a photo album.
* @since 2.1.1 (imported from itexttoolbox project)
*/
public class PhotoAlbum extends AbstractTool {
static {
addVersion("$Id$");
}
/**
* Constructs a PhotoAlbum object.
*/
public PhotoAlbum() {
menuoptions = MENU_EXECUTE | MENU_EXECUTE_SHOW;
arguments.add(new FileArgument(this, "srcdir",
"The directory containing the image files", false,
new DirFilter()));
arguments.add(new FileArgument(this, "destfile",
"The file to which the converted TIFF has to be written", true,
new PdfFilter()));
}
/**
* @see com.lowagie.toolbox.AbstractTool#createFrame()
*/
protected void createFrame() {
internalFrame = new JInternalFrame("PhotoAlbum", true, false, true);
internalFrame.setSize(300, 80);
internalFrame.setJMenuBar(getMenubar());
System.out.println("=== PhotoAlbum OPENED ===");
}
/**
* @see com.lowagie.toolbox.AbstractTool#execute()
*/
public void execute() {
try {
if (getValue("srcdir") == null) {
throw new InstantiationException(
"You need to choose a source directory");
}
File directory = (File) getValue("srcdir");
if (directory.isFile()) {
directory = directory.getParentFile();
}
if (getValue("destfile") == null) {
throw new InstantiationException(
"You need to choose a destination file");
}
File pdf_file = (File) getValue("destfile");
LwgDocument document = new LwgDocument();
PdfWriter writer = PdfWriter.getInstance(document,
new FileOutputStream(pdf_file));
writer.setViewerPreferences(PdfWriter.PageModeUseThumbs);
PdfPageLabels pageLabels = new PdfPageLabels();
int dpiX, dpiY;
float imgWidthPica, imgHeightPica;
TreeSet<File> images = new TreeSet<File>();
File[] files = directory.listFiles();
if (files == null) {
throw new NullPointerException("listFiles() returns null");
}
for (int i = 0; i < files.length; i++) {
if (files[i].isFile()) {
images.add(files[i]);
}
}
String label;
for (File image: images) {
System.out.println("Testing image: " + image.getName());
try {
LwgImage img = LwgImage.getInstance(image.getAbsolutePath());
String caption = "";
dpiX = img.getDpiX();
if (dpiX == 0) {
dpiX = 72;
}
dpiY = img.getDpiY();
if (dpiY == 0) {
dpiY = 72;
}
imgWidthPica = (72 * img.getPlainWidth()) / dpiX;
imgHeightPica = (72 * img.getPlainHeight()) / dpiY;
img.scaleAbsolute(imgWidthPica, imgHeightPica);
document.setPageSize(new LwgRectangle(imgWidthPica,
imgHeightPica));
if (document.isOpen()) {
document.newPage();
} else {
document.open();
}
img.setAbsolutePosition(0, 0);
document.add(img);
BaseFont bf = BaseFont.createFont("Helvetica",
BaseFont.WINANSI,
false);
PdfGState gs1 = new PdfGState();
gs1.setBlendMode(PdfGState.BM_OVERLAY);
PdfContentByte cb = writer.getDirectContent();
cb.saveState();
cb.setGState(gs1);
cb.beginText();
cb.setFontAndSize(bf, 40);
cb.setTextMatrix(50, 50);
cb.showText(caption);
cb.endText();
cb.restoreState();
label = image.getName();
if (label.lastIndexOf('.') > 0) {
label = label.substring(0, label.lastIndexOf('.'));
}
pageLabels.addPageLabel(writer.getPageNumber(),
PdfPageLabels.EMPTY, label);
System.out.println("Added image: " + image.getName());
} catch (Exception e) {
System.err.println(e.getMessage());
}
}
if (document.isOpen()) {
writer.setPageLabels(pageLabels);
document.close();
} else {
System.err.println("No images were found in directory " +
directory.getAbsolutePath());
}
} catch (Exception e) {
JOptionPane.showMessageDialog(internalFrame,
e.getMessage(),
e.getClass().getName(),
JOptionPane.ERROR_MESSAGE);
System.err.println(e.getMessage());
}
}
/**
*
* @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
}
/**
* Converts a tiff file to PDF.
*
* @param args String[]
*/
public static void main(String[] args) {
PhotoAlbum tool = new PhotoAlbum();
if (args.length < 2) {
System.err.println(tool.getUsage());
}
tool.setMainArguments(args);
tool.execute();
}
/**
*
* @see com.lowagie.toolbox.AbstractTool#getDestPathPDF()
* @throws InstantiationException
* @return File
*/
protected File getDestPathPDF() throws InstantiationException {
return (File) getValue("destfile");
}
}