org.jpedal.examples.viewer.commands.ExtractSelectionAsImage 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 1997-2016 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
*
* ---------------
* ExtractSelectionAsImage.java
* ---------------
*/
package org.jpedal.examples.viewer.commands;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.Font;
import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.IOException;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import org.jpedal.PdfDecoderInt;
import org.jpedal.examples.handlers.DefaultImageHelper;
import org.jpedal.examples.viewer.Values;
import org.jpedal.examples.viewer.commands.generic.GUIExtractSelectionAsImage;
import org.jpedal.examples.viewer.utils.FileFilterer;
import org.jpedal.examples.viewer.utils.IconiseImage;
import org.jpedal.gui.GUIFactory;
import org.jpedal.utils.LogWriter;
import org.jpedal.utils.Messages;
/**
* This class is a Swing specific class to hold the Swing code for
* Extracting the drawn CursorBox as an Image.
*/
public class ExtractSelectionAsImage extends GUIExtractSelectionAsImage {
public static void execute(final Values commonValues, final GUIFactory currentGUI, final PdfDecoderInt decode_pdf) {
extractSelectedScreenAsImage(commonValues, currentGUI, decode_pdf); //Calls the generic code.
if(snapShot == null){
return;
}
final Container frame = (Container) currentGUI.getFrame();
final JDialog displayFrame = new JDialog((JFrame) null, true);
final JPanel image_display = new JPanel();
//Set up dialog
displayFrame.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
if (commonValues.getModeOfOperation() != Values.RUNNING_APPLET) {
displayFrame.setLocationRelativeTo(null);
displayFrame.setLocation(frame.getLocationOnScreen().x + 10, frame.getLocationOnScreen().y + 10);
}
//Set up imagedisplay
String propValue = currentGUI.getProperties().getValue("replacePdfDisplayBackground");
if (!propValue.isEmpty()
&& propValue.equalsIgnoreCase("true")) {
//decode_pdf.useNewGraphicsMode = false;
propValue = currentGUI.getProperties().getValue("pdfDisplayBackground");
int col = Integer.parseInt(propValue);
image_display.setBackground(new Color(col));
} else {
if (decode_pdf.getDecoderOptions().getDisplayBackgroundColor() != null) {
int col = decode_pdf.getDecoderOptions().getDisplayBackgroundColor().getRGB();
image_display.setBackground(new Color(col));
} else if (decode_pdf.useNewGraphicsMode()) {
image_display.setBackground(new Color(55, 55, 65));
} else {
image_display.setBackground(new Color(190, 190, 190));
}
}
final IconiseImage icon_image = new IconiseImage(snapShot);
image_display.add(new JLabel(icon_image), BorderLayout.CENTER);
//Set up button bar
final JPanel buttonBar = new JPanel();
buttonBar.setBackground(image_display.getBackground());
final JButton copy = new JButton(Messages.getMessage("PdfSnapshotPreview.Copy"));
copy.setFont(new Font("SansSerif", Font.PLAIN, 12));
buttonBar.add(copy, BorderLayout.EAST);
copy.addActionListener(new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
displayFrame.setVisible(false);
ClipboardImage clipboardImage = new ClipboardImage(snapShot);
Clipboard c = Toolkit.getDefaultToolkit().getSystemClipboard();
c.setContents(clipboardImage, null);
}
});
/**
* yes option allows user to save content
*/
final JButton yes = new JButton(Messages.getMessage("PdfSnapshotPreview.Save"));
yes.setFont(new Font("SansSerif", Font.PLAIN, 12));
buttonBar.add(yes, BorderLayout.WEST);
yes.addActionListener(new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
displayFrame.setVisible(false);
File file;
StringBuffer fileToSave;
boolean finished = false;
while (!finished) {
/**
* Sets the saveable file-types for snapshot image.
*/
final JFileChooser chooser = new JFileChooser(System.getProperty("user.dir"));
final FileFilterer defaultOpt = new FileFilterer(new String[]{"png", "png"}, "PNG");
chooser.setFileFilter(defaultOpt); //sets the default file-type to PNG
chooser.addChoosableFileFilter(new FileFilterer(new String[]{"tif", "tiff"}, "TIFF")); //adds Tiff as a saveable filetype option
chooser.addChoosableFileFilter(new FileFilterer(new String[]{"jpg", "jpeg"}, "JPEG")); //adds jpeg as a saveable filetype option
final int approved = chooser.showSaveDialog(image_display);
if (approved == JFileChooser.APPROVE_OPTION) {
file = chooser.getSelectedFile();
fileToSave = new StringBuffer(file.getAbsolutePath());
String format = chooser.getFileFilter().getDescription();
if (format.equals("All Files")) {
format = "TIFF";
}
if (!fileToSave.toString().toLowerCase().endsWith(('.' + format).toLowerCase())) {
fileToSave.append('.').append(format);
file = new File(fileToSave.toString());
}
if (file.exists()) {
final int n = currentGUI.showConfirmDialog(fileToSave.append('\n')
+ Messages.getMessage("PdfViewerMessage.FileAlreadyExists") + ".\n"
+ Messages.getMessage("PdfViewerMessage.ConfirmResave"),
Messages.getMessage("PdfViewerMessage.Resave"), JOptionPane.YES_NO_OPTION);
if (n == 1) {
continue;
}
}
//Do the actual save
if (snapShot != null) {
try {
DefaultImageHelper.write(snapShot, format, fileToSave.toString());
} catch (IOException ex) {
LogWriter.writeLog("Exception in writing image " + ex);
}
}
finished = true;
} else {
return;
}
}
displayFrame.dispose();
}
});
/**
* no option just removes display
*/
final JButton no = new JButton(Messages.getMessage("PdfSnapshotPreview.Cancel"));
no.setFont(new Font("SansSerif", Font.PLAIN, 12));
buttonBar.add(no, BorderLayout.EAST);
no.addActionListener(new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
displayFrame.dispose();
}
});
//Add all components to dialog
displayFrame.setTitle(Messages.getMessage("PdfViewerMessage.SaveImage"));
displayFrame.getContentPane().add(image_display, BorderLayout.CENTER);
displayFrame.getContentPane().add(buttonBar, BorderLayout.SOUTH);
displayFrame.setResizable(false);
displayFrame.pack();
//Show dialog
displayFrame.setVisible(true);
}
}
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