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/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2017 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
*
* ---------------
* JavaFXExtractSelectionAsImage.java
* ---------------
*/
package org.jpedal.examples.viewer.commands.javafx;
import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
import java.io.File;
import java.io.IOException;
import javafx.embed.swing.SwingFXUtils;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.control.Button;
import javafx.scene.image.ImageView;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.stage.FileChooser;
import javafx.stage.Modality;
import javafx.stage.Stage;
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.gui.GUI;
import org.jpedal.examples.viewer.gui.javafx.dialog.FXDialog;
import org.jpedal.gui.GUIFactory;
import org.jpedal.utils.LogWriter;
import org.jpedal.utils.Messages;
/**
* This class is a JavaFX specific class to hold the JavaFX code for
* Extracting the drawn CursorBox as an Image.
*/
public class JavaFXExtractSelectionAsImage extends GUIExtractSelectionAsImage {
protected static final int BUTTONWIDTH = 55;
public static void execute(final Values commonValues, final GUIFactory currentGUI, final PdfDecoderInt decode_pdf) {
extractSelectedScreenAsImage(commonValues, currentGUI, decode_pdf); //Calls the generic code.
final VBox pane = new VBox();
final FXDialog dialog = new FXDialog((Stage) currentGUI.getFrame(), Modality.APPLICATION_MODAL, pane);
dialog.setTitle(Messages.getMessage("PdfViewerMessage.SaveImage"));
dialog.setResizeable(false);
final String style;
//wrap image so we can display
if (snapShot != null) {
final HBox imgBox = new HBox();
imgBox.setAlignment(Pos.CENTER);
String propValue = currentGUI.getProperties().getValue("replacePdfDisplayBackground");
if (!propValue.isEmpty()
&& propValue.equalsIgnoreCase("true")) {
//decode_pdf.useNewGraphicsMode = false;
propValue = currentGUI.getProperties().getValue("pdfDisplayBackground");
final int col = Integer.parseInt(propValue);
final int r = ((col >> 16) & 255);
final int g = ((col >> 8) & 255);
final int b = ((col) & 255);
style = "-fx-background-color:rgb(" + r + ',' + g + ',' + b + ");";
} else {
if (decode_pdf.getDecoderOptions().getDisplayBackgroundColor() != null) {
final int col = decode_pdf.getDecoderOptions().getDisplayBackgroundColor().getRGB();
final int r = ((col >> 16) & 255);
final int g = ((col >> 8) & 255);
final int b = ((col) & 255);
style = "-fx-background-color:rgb(" + r + ',' + g + ',' + b + ");";
} else if (decode_pdf.useNewGraphicsMode()) {
style = "-fx-background-color:#555565;";
} else {
style = "-fx-background-color:#190190190;";
}
}
//IconiseImage icon_image = new IconiseImage( snapShot );
final ImageView imv1 = new ImageView();
imv1.setImage(SwingFXUtils.toFXImage(snapShot, null));
dialog.setWidth(imv1.getImage().getWidth());
dialog.setHeight(imv1.getImage().getHeight() + 50);
//add image to pane if there is one
imgBox.getChildren().add(imv1);
imgBox.setPadding(new Insets(5));
imgBox.setStyle(style);
pane.getChildren().add(imgBox);
} else {
return;
}
final HBox btnBox = new HBox();
final Button copyBtn = new Button(Messages.getMessage("PdfSnapshotPreview.Copy"));
final Button saveBtn = new Button(Messages.getMessage("PdfSnapshotPreview.Save"));
final Button cancelBtn = new Button(Messages.getMessage("PdfSnapshotPreview.Cancel"));
btnBox.getChildren().addAll(copyBtn, saveBtn, cancelBtn);
btnBox.setAlignment(Pos.BOTTOM_CENTER);
btnBox.setSpacing(5);
btnBox.setPadding(new Insets(5));
//Set colors for display
if (style != null) {
btnBox.setStyle(style);
}
//Prevent button resize from hiding text
copyBtn.setMinSize(Button.USE_PREF_SIZE, Button.USE_PREF_SIZE);
saveBtn.setMinSize(Button.USE_PREF_SIZE, Button.USE_PREF_SIZE);
cancelBtn.setMinSize(Button.USE_PREF_SIZE, Button.USE_PREF_SIZE);
pane.getChildren().add(btnBox);
//Ensure window is never so small as to hide buttons
dialog.getDialog().sizeToScene();
copyBtn.setPrefWidth(BUTTONWIDTH);
copyBtn.setOnAction(new EventHandler() {
@Override
public void handle(final ActionEvent t) {
dialog.getDialog().hide();
final ClipboardImage clipboardImage = new ClipboardImage(snapShot);
final Clipboard c = Toolkit.getDefaultToolkit().getSystemClipboard();
c.setContents(clipboardImage, null);
}
});
saveBtn.setPrefWidth(BUTTONWIDTH);
saveBtn.setOnAction(new EventHandler() {
@Override
public void handle(final ActionEvent t) {
dialog.getDialog().hide();
final FileChooser chooser = new FileChooser();
chooser.setTitle("Open PDF file");
chooser.setInitialDirectory(new File(System.getProperty("user.dir")));
final FileChooser.ExtensionFilter extFilter1 = new FileChooser.ExtensionFilter("TIFF (*.tif)", "*.tif", "*.tiff");
chooser.getExtensionFilters().add(extFilter1);
final FileChooser.ExtensionFilter extFilter2 = new FileChooser.ExtensionFilter("JPEG (*.jpg)", "*.jpg", "*.jpeg");
chooser.getExtensionFilters().add(extFilter2);
final File outputFile = chooser.showSaveDialog(dialog.getDialog());
if (outputFile != null) {
final StringBuilder outName = new StringBuilder(outputFile.getAbsolutePath());
final FileChooser.ExtensionFilter filter = chooser.getSelectedExtensionFilter();
String format = "tif";
if (filter.getDescription().toLowerCase().contains("jp")) {
format = "jpg";
}
if (!outName.toString().toLowerCase().endsWith(('.' + format).toLowerCase())) {
outName.append('.').append(format);
}
//Do the actual save
if (snapShot != null) {
try {
DefaultImageHelper.write(snapShot, format, outName.toString());
} catch (final IOException ex) {
LogWriter.writeLog("Exception in writing image " + ex);
}
}
}
}
});
cancelBtn.setPrefWidth(BUTTONWIDTH);
cancelBtn.setOnAction(new EventHandler() {
@Override
public void handle(final ActionEvent t) {
dialog.close();
}
});
dialog.show();
if (GUI.debugFX) {
System.out.println("Save Dialog required for JavaFXExtractSelectionAsImage.java");
}
}
}
