1 package tim.prune.save;
3 import java.awt.BorderLayout;
5 import java.awt.Component;
6 import java.awt.Dimension;
7 import java.awt.FlowLayout;
8 import java.awt.event.ActionEvent;
9 import java.awt.event.ActionListener;
10 import java.awt.event.MouseAdapter;
11 import java.awt.event.MouseEvent;
12 import java.awt.image.BufferedImage;
14 import java.io.FileOutputStream;
15 import java.io.IOException;
16 import java.io.OutputStreamWriter;
17 import java.io.Writer;
18 import java.util.Iterator;
19 import java.util.zip.ZipEntry;
20 import java.util.zip.ZipOutputStream;
22 import javax.imageio.ImageIO;
23 import javax.imageio.ImageWriter;
24 import javax.swing.Box;
25 import javax.swing.BoxLayout;
26 import javax.swing.ImageIcon;
27 import javax.swing.JButton;
28 import javax.swing.JCheckBox;
29 import javax.swing.JDialog;
30 import javax.swing.JFileChooser;
31 import javax.swing.JLabel;
32 import javax.swing.JOptionPane;
33 import javax.swing.JPanel;
34 import javax.swing.JProgressBar;
35 import javax.swing.JTextField;
36 import javax.swing.SwingConstants;
39 import tim.prune.GenericFunction;
40 import tim.prune.I18nManager;
41 import tim.prune.UpdateMessageBroker;
42 import tim.prune.config.ColourUtils;
43 import tim.prune.config.Config;
44 import tim.prune.data.Altitude;
45 import tim.prune.data.Coordinate;
46 import tim.prune.data.DataPoint;
47 import tim.prune.data.Field;
48 import tim.prune.data.Track;
49 import tim.prune.data.TrackInfo;
50 import tim.prune.gui.ColourChooser;
51 import tim.prune.gui.ColourPatch;
52 import tim.prune.gui.ImageUtils;
53 import tim.prune.load.GenericFileFilter;
56 * Class to export track information
57 * into a specified Kml or Kmz file
59 public class KmlExporter extends GenericFunction implements Runnable
61 private TrackInfo _trackInfo = null;
62 private Track _track = null;
63 private JDialog _dialog = null;
64 private JTextField _descriptionField = null;
65 private PointTypeSelector _pointTypeSelector = null;
66 private JCheckBox _altitudesCheckbox = null;
67 private JCheckBox _kmzCheckbox = null;
68 private JCheckBox _exportImagesCheckbox = null;
69 private ColourPatch _colourPatch = null;
70 private JLabel _progressLabel = null;
71 private JProgressBar _progressBar = null;
72 private Dimension[] _imageDimensions = null;
73 private JFileChooser _fileChooser = null;
74 private File _exportFile = null;
75 private JButton _okButton = null;
76 private boolean _cancelPressed = false;
77 private ColourChooser _colourChooser = null;
79 // Filename of Kml file within zip archive
80 private static final String KML_FILENAME_IN_KMZ = "doc.kml";
81 // Default width and height of thumbnail images in Kmz
82 private static final int DEFAULT_THUMBNAIL_WIDTH = 240;
83 private static final int DEFAULT_THUMBNAIL_HEIGHT = 240;
84 // Actual selected width and height of thumbnail images in Kmz
85 private static int THUMBNAIL_WIDTH = 0;
86 private static int THUMBNAIL_HEIGHT = 0;
87 // Default track colour
88 private static final Color DEFAULT_TRACK_COLOUR = new Color(204, 0, 0); // red
93 * @param inApp app object
95 public KmlExporter(App inApp)
98 _trackInfo = inApp.getTrackInfo();
99 _track = _trackInfo.getTrack();
103 public String getNameKey() {
104 return "function.exportkml";
108 * Show the dialog to select options and export file
112 // Make dialog window including whether to compress to kmz (and include pictures) or not
115 _dialog = new JDialog(_parentFrame, I18nManager.getText(getNameKey()), true);
116 _dialog.setLocationRelativeTo(_parentFrame);
117 _dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
118 _dialog.getContentPane().add(makeDialogComponents());
120 _colourChooser = new ColourChooser(_dialog);
123 _descriptionField.setEnabled(true);
124 _okButton.setEnabled(true);
125 _progressLabel.setText("");
126 _progressBar.setVisible(false);
127 _dialog.setVisible(true);
132 * Create dialog components
133 * @return Panel containing all gui elements in dialog
135 private Component makeDialogComponents()
137 JPanel dialogPanel = new JPanel();
138 dialogPanel.setLayout(new BorderLayout(0, 5));
139 JPanel mainPanel = new JPanel();
140 mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.Y_AXIS));
141 // Make a central panel with the text box and checkboxes
142 JPanel descPanel = new JPanel();
143 descPanel.setLayout(new FlowLayout());
144 descPanel.add(new JLabel(I18nManager.getText("dialog.exportkml.text")));
145 _descriptionField = new JTextField(20);
146 descPanel.add(_descriptionField);
147 descPanel.setAlignmentX(Component.CENTER_ALIGNMENT);
148 mainPanel.add(descPanel);
149 dialogPanel.add(mainPanel, BorderLayout.CENTER);
150 // point type selection
151 _pointTypeSelector = new PointTypeSelector();
152 _pointTypeSelector.setAlignmentX(Component.CENTER_ALIGNMENT);
153 mainPanel.add(_pointTypeSelector);
155 Color trackColour = ColourUtils.colourFromHex(Config.getConfigString(Config.KEY_KML_TRACK_COLOUR));
156 if (trackColour == null) {
157 trackColour = DEFAULT_TRACK_COLOUR;
159 _colourPatch = new ColourPatch(trackColour);
160 _colourPatch.addMouseListener(new MouseAdapter() {
161 public void mouseClicked(MouseEvent e) {
162 _colourChooser.showDialog(_colourPatch.getBackground());
163 Color colour = _colourChooser.getChosenColour();
164 if (colour != null) _colourPatch.setColour(colour);
167 JPanel colourPanel = new JPanel();
168 colourPanel.add(new JLabel(I18nManager.getText("dialog.exportkml.trackcolour")));
169 colourPanel.add(_colourPatch);
170 mainPanel.add(colourPanel);
171 // Checkbox for altitude export
172 _altitudesCheckbox = new JCheckBox(I18nManager.getText("dialog.exportkml.altitude"));
173 _altitudesCheckbox.setHorizontalTextPosition(SwingConstants.LEFT);
174 _altitudesCheckbox.setAlignmentX(Component.CENTER_ALIGNMENT);
175 mainPanel.add(_altitudesCheckbox);
176 // Checkboxes for kmz export and image export
177 _kmzCheckbox = new JCheckBox(I18nManager.getText("dialog.exportkml.kmz"));
178 _kmzCheckbox.setHorizontalTextPosition(SwingConstants.LEFT);
179 _kmzCheckbox.setAlignmentX(Component.CENTER_ALIGNMENT);
180 _kmzCheckbox.addActionListener(new ActionListener() {
181 public void actionPerformed(ActionEvent e)
183 // enable image checkbox if kmz activated
187 mainPanel.add(_kmzCheckbox);
188 _exportImagesCheckbox = new JCheckBox(I18nManager.getText("dialog.exportkml.exportimages"));
189 _exportImagesCheckbox.setHorizontalTextPosition(SwingConstants.LEFT);
190 _exportImagesCheckbox.setAlignmentX(Component.CENTER_ALIGNMENT);
191 mainPanel.add(_exportImagesCheckbox);
192 mainPanel.add(Box.createVerticalStrut(10));
193 _progressLabel = new JLabel("...");
194 _progressLabel.setAlignmentX(Component.CENTER_ALIGNMENT);
195 mainPanel.add(_progressLabel);
196 _progressBar = new JProgressBar(0, 100);
197 _progressBar.setVisible(false);
198 _progressBar.setAlignmentX(Component.CENTER_ALIGNMENT);
199 mainPanel.add(_progressBar);
200 mainPanel.add(Box.createVerticalStrut(10));
201 // button panel at bottom
202 JPanel buttonPanel = new JPanel();
203 buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
204 _okButton = new JButton(I18nManager.getText("button.ok"));
205 ActionListener okListener = new ActionListener() {
206 public void actionPerformed(ActionEvent e)
211 _okButton.addActionListener(okListener);
212 _descriptionField.addActionListener(okListener);
213 buttonPanel.add(_okButton);
214 JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
215 cancelButton.addActionListener(new ActionListener() {
216 public void actionPerformed(ActionEvent e)
218 _cancelPressed = true;
222 buttonPanel.add(cancelButton);
223 dialogPanel.add(buttonPanel, BorderLayout.SOUTH);
229 * Enable the checkboxes according to data
231 private void enableCheckboxes()
233 _pointTypeSelector.init(_trackInfo);
234 boolean hasAltitudes = _track.hasData(Field.ALTITUDE);
235 if (!hasAltitudes) {_altitudesCheckbox.setSelected(false);}
236 boolean hasPhotos = _trackInfo.getPhotoList() != null && _trackInfo.getPhotoList().getNumPhotos() > 0;
237 _exportImagesCheckbox.setSelected(hasPhotos && _kmzCheckbox.isSelected());
238 _exportImagesCheckbox.setEnabled(hasPhotos && _kmzCheckbox.isSelected());
243 * Start the export process based on the input parameters
245 private void startExport()
247 // OK pressed, now validate selection checkboxes
248 if (!_pointTypeSelector.getAnythingSelected()) {
249 JOptionPane.showMessageDialog(_parentFrame, I18nManager.getText("dialog.save.notypesselected"),
250 I18nManager.getText("dialog.saveoptions.title"), JOptionPane.WARNING_MESSAGE);
253 // Choose output file
254 if (_fileChooser == null)
256 _fileChooser = new JFileChooser();
257 _fileChooser.setDialogType(JFileChooser.SAVE_DIALOG);
258 _fileChooser.setFileFilter(new GenericFileFilter("filetype.kmlkmz", new String[] {"kml", "kmz"}));
259 // start from directory in config which should be set
260 String configDir = Config.getConfigString(Config.KEY_TRACK_DIR);
261 if (configDir != null) {_fileChooser.setCurrentDirectory(new File(configDir));}
263 String requiredExtension = null, otherExtension = null;
264 if (_kmzCheckbox.isSelected()) {
265 requiredExtension = ".kmz"; otherExtension = ".kml";
268 requiredExtension = ".kml"; otherExtension = ".kmz";
270 _fileChooser.setAcceptAllFileFilterUsed(false);
271 // Allow choose again if an existing file is selected
272 boolean chooseAgain = false;
276 if (_fileChooser.showSaveDialog(_parentFrame) == JFileChooser.APPROVE_OPTION)
278 // OK pressed and file chosen
279 File file = _fileChooser.getSelectedFile();
280 if (file.getName().toLowerCase().endsWith(otherExtension))
282 String path = file.getAbsolutePath();
283 file = new File(path.substring(0, path.length()-otherExtension.length()) + requiredExtension);
285 else if (!file.getName().toLowerCase().endsWith(requiredExtension))
287 file = new File(file.getAbsolutePath() + requiredExtension);
289 // Check if file exists and if necessary prompt for overwrite
290 Object[] buttonTexts = {I18nManager.getText("button.overwrite"), I18nManager.getText("button.cancel")};
291 if (!file.exists() || JOptionPane.showOptionDialog(_parentFrame,
292 I18nManager.getText("dialog.save.overwrite.text"),
293 I18nManager.getText("dialog.save.overwrite.title"), JOptionPane.YES_NO_OPTION,
294 JOptionPane.WARNING_MESSAGE, null, buttonTexts, buttonTexts[1])
295 == JOptionPane.YES_OPTION)
297 // New file or overwrite confirmed, so initiate export in separate thread
299 _cancelPressed = false;
300 new Thread(this).start();
307 } while (chooseAgain);
312 * Run method for controlling separate thread for exporting
316 // Disable ok button to stop second go
317 _okButton.setEnabled(false);
318 _descriptionField.setEnabled(false);
319 // Initialise progress indicators
320 _progressLabel.setText(I18nManager.getText("confirm.running"));
321 _progressBar.setVisible(true);
322 _progressBar.setValue(0);
323 boolean exportToKmz = _kmzCheckbox.isSelected();
324 boolean exportImages = exportToKmz && _exportImagesCheckbox.isSelected();
325 _progressBar.setMaximum(exportImages?getNumPhotosToExport():1);
327 // Determine photo thumbnail size from config
328 THUMBNAIL_WIDTH = Config.getConfigInt(Config.KEY_KMZ_IMAGE_WIDTH);
329 if (THUMBNAIL_WIDTH < DEFAULT_THUMBNAIL_WIDTH) {THUMBNAIL_WIDTH = DEFAULT_THUMBNAIL_WIDTH;}
330 THUMBNAIL_HEIGHT = Config.getConfigInt(Config.KEY_KMZ_IMAGE_HEIGHT);
331 if (THUMBNAIL_HEIGHT < DEFAULT_THUMBNAIL_HEIGHT) {THUMBNAIL_HEIGHT = DEFAULT_THUMBNAIL_HEIGHT;}
332 // Create array for image dimensions in case it's required
333 _imageDimensions = new Dimension[_track.getNumPoints()];
335 OutputStreamWriter writer = null;
336 ZipOutputStream zipOutputStream = null;
339 // Select writer according to whether kmz requested or not
340 if (!_kmzCheckbox.isSelected())
342 // normal writing to file
343 writer = new OutputStreamWriter(new FileOutputStream(_exportFile));
347 // kmz requested - need zip output stream
348 zipOutputStream = new ZipOutputStream(new FileOutputStream(_exportFile));
349 // Export images into zip file too if requested
352 // Create thumbnails of each photo in turn and add to zip as images/image<n>.jpg
353 // This is done first so that photo sizes are known for later
354 exportThumbnails(zipOutputStream);
356 writer = new OutputStreamWriter(zipOutputStream);
357 // Make an entry in the zip file for the kml file
358 ZipEntry kmlEntry = new ZipEntry(KML_FILENAME_IN_KMZ);
359 zipOutputStream.putNextEntry(kmlEntry);
362 final int numPoints = exportData(writer, exportImages);
363 // update config with selected track colour
364 Config.setConfigString(Config.KEY_KML_TRACK_COLOUR, ColourUtils.makeHexCode(_colourPatch.getBackground()));
365 // update progress bar
366 _progressBar.setValue(1);
368 // close zip entry if necessary
369 if (zipOutputStream != null)
371 // Make sure all buffered data in writer is flushed
373 // Close off this entry in the zip file
374 zipOutputStream.closeEntry();
379 _imageDimensions = null;
380 // Store directory in config for later
381 Config.setConfigString(Config.KEY_TRACK_DIR, _exportFile.getParentFile().getAbsolutePath());
383 UpdateMessageBroker.informSubscribers(I18nManager.getText("confirm.save.ok1")
384 + " " + numPoints + " " + I18nManager.getText("confirm.save.ok2")
385 + " " + _exportFile.getAbsolutePath());
386 // export successful so need to close dialog and return
390 catch (IOException ioe)
393 if (writer != null) writer.close();
395 catch (IOException ioe2) {}
396 JOptionPane.showMessageDialog(_parentFrame,
397 I18nManager.getText("error.save.failed") + " : " + ioe.getMessage(),
398 I18nManager.getText("error.save.dialogtitle"), JOptionPane.ERROR_MESSAGE);
400 // if not returned already, export failed so need to recall the file selection
406 * Export the information to the given writer
407 * @param inWriter writer object
408 * @param inExportImages true if image thumbnails are to be referenced
409 * @return number of points written
411 private int exportData(OutputStreamWriter inWriter, boolean inExportImages)
414 boolean writeTrack = _pointTypeSelector.getTrackpointsSelected();
415 boolean writeWaypoints = _pointTypeSelector.getWaypointsSelected();
416 boolean writePhotos = _pointTypeSelector.getPhotopointsSelected();
417 boolean justSelection = _pointTypeSelector.getJustSelection();
418 inWriter.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<kml xmlns=\"http://earth.google.com/kml/2.1\">\n<Folder>\n");
419 inWriter.write("\t<name>");
420 if (_descriptionField != null && _descriptionField.getText() != null && !_descriptionField.getText().equals(""))
422 inWriter.write(_descriptionField.getText());
426 inWriter.write("Export from Prune");
428 inWriter.write("</name>\n");
430 // Examine selection if required
431 int selStart = -1, selEnd = -1;
433 selStart = _trackInfo.getSelection().getStart();
434 selEnd = _trackInfo.getSelection().getEnd();
437 boolean absoluteAltitudes = _altitudesCheckbox.isSelected();
439 DataPoint point = null;
440 boolean hasTrackpoints = false;
441 boolean writtenPhotoHeader = false;
442 final int numPoints = _track.getNumPoints();
445 // Loop over waypoints
446 for (i=0; i<numPoints; i++)
448 point = _track.getPoint(i);
449 boolean writeCurrentPoint = !justSelection || (i>=selStart && i<=selEnd);
450 // Make a blob for each waypoint
451 if (point.isWaypoint())
453 if (writeWaypoints && writeCurrentPoint)
455 exportWaypoint(point, inWriter, absoluteAltitudes);
459 else if (point.getPhoto() == null)
461 hasTrackpoints = true;
463 // Make a blob with description for each photo
464 // Photos have already been written so picture sizes already known
465 if (point.getPhoto() != null && writePhotos && writeCurrentPoint)
467 if (!writtenPhotoHeader)
469 inWriter.write("<Style id=\"camera_icon\"><IconStyle><Icon><href>http://maps.google.com/mapfiles/kml/pal4/icon46.png</href></Icon></IconStyle></Style>");
470 writtenPhotoHeader = true;
473 exportPhotoPoint(point, inWriter, inExportImages, i, photoNum, absoluteAltitudes);
477 // Make a line for the track, if there is one
478 if (hasTrackpoints && writeTrack)
480 // Set up strings for start and end of track segment
481 String trackStart = "\t<Placemark>\n\t\t<name>track</name>\n\t\t<Style>\n\t\t\t<LineStyle>\n"
482 + "\t\t\t\t<color>cc" + reverse(ColourUtils.makeHexCode(_colourPatch.getBackground())) + "</color>\n"
483 + "\t\t\t\t<width>4</width>\n\t\t\t</LineStyle>\n"
484 + "\t\t\t<PolyStyle><color>33cc0000</color></PolyStyle>\n"
485 + "\t\t</Style>\n\t\t<LineString>\n";
486 if (absoluteAltitudes) {
487 trackStart += "\t\t\t<extrude>1</extrude>\n\t\t\t<altitudeMode>absolute</altitudeMode>\n";
490 trackStart += "\t\t\t<altitudeMode>clampToGround</altitudeMode>\n";
492 trackStart += "\t\t\t<coordinates>";
493 String trackEnd = "\t\t\t</coordinates>\n\t\t</LineString>\n\t</Placemark>";
496 inWriter.write(trackStart);
497 // Loop over track points
498 boolean firstTrackpoint = true;
499 for (i=0; i<numPoints; i++)
501 point = _track.getPoint(i);
502 boolean writeCurrentPoint = !justSelection || (i>=selStart && i<=selEnd);
503 if (!point.isWaypoint() && writeCurrentPoint)
505 // start new track segment if necessary
506 if (point.getSegmentStart() && !firstTrackpoint) {
507 inWriter.write(trackEnd);
508 inWriter.write(trackStart);
510 if (point.getPhoto() == null)
512 exportTrackpoint(point, inWriter);
514 firstTrackpoint = false;
519 inWriter.write(trackEnd);
521 inWriter.write("</Folder>\n</kml>");
526 * Reverse the hex code for the colours for KML's stupid backwards format
527 * @param inCode colour code rrggbb
528 * @return kml code bbggrr
530 private static String reverse(String inCode)
532 return inCode.substring(4, 6) + inCode.substring(2, 4) + inCode.substring(0, 2);
536 * Export the specified waypoint into the file
537 * @param inPoint waypoint to export
538 * @param inWriter writer object
539 * @param inAbsoluteAltitude true for absolute altitude
540 * @throws IOException on write failure
542 private void exportWaypoint(DataPoint inPoint, Writer inWriter, boolean inAbsoluteAltitude) throws IOException
544 inWriter.write("\t<Placemark>\n\t\t<name>");
545 inWriter.write(inPoint.getWaypointName().trim());
546 inWriter.write("</name>\n");
547 inWriter.write("\t\t<Point>\n");
548 if (inAbsoluteAltitude && inPoint.hasAltitude()) {
549 inWriter.write("\t\t\t<altitudeMode>absolute</altitudeMode>\n");
552 inWriter.write("\t\t\t<altitudeMode>clampToGround</altitudeMode>\n");
554 inWriter.write("\t\t\t<coordinates>");
555 inWriter.write(inPoint.getLongitude().output(Coordinate.FORMAT_DECIMAL_FORCE_POINT));
557 inWriter.write(inPoint.getLatitude().output(Coordinate.FORMAT_DECIMAL_FORCE_POINT));
559 if (inPoint.hasAltitude()) {
560 inWriter.write("" + inPoint.getAltitude().getStringValue(Altitude.Format.METRES));
565 inWriter.write("</coordinates>\n\t\t</Point>\n\t</Placemark>\n");
570 * Export the specified photo into the file
571 * @param inPoint data point including photo
572 * @param inWriter writer object
573 * @param inImageLink flag to set whether to export image links or not
574 * @param inPointNumber number of point for accessing dimensions
575 * @param inImageNumber number of image for filename
576 * @param inAbsoluteAltitude true for absolute altitudes
577 * @throws IOException on write failure
579 private void exportPhotoPoint(DataPoint inPoint, Writer inWriter, boolean inImageLink,
580 int inPointNumber, int inImageNumber, boolean inAbsoluteAltitude)
583 inWriter.write("\t<Placemark>\n\t\t<name>");
584 inWriter.write(inPoint.getPhoto().getFile().getName());
585 inWriter.write("</name>\n");
588 Dimension imageSize = _imageDimensions[inPointNumber];
589 // Write out some html for the thumbnail images
590 inWriter.write("<description><![CDATA[<br/><table border='0'><tr><td><center><img src='images/image"
591 + inImageNumber + ".jpg' width='" + imageSize.width + "' height='" + imageSize.height + "'></center></td></tr>"
592 + "<tr><td><center>" + inPoint.getPhoto().getFile().getName() + "</center></td></tr></table>]]></description>");
594 inWriter.write("<styleUrl>#camera_icon</styleUrl>\n");
595 inWriter.write("\t\t<Point>\n");
596 if (inAbsoluteAltitude && inPoint.hasAltitude()) {
597 inWriter.write("\t\t\t<altitudeMode>absolute</altitudeMode>\n");
600 inWriter.write("\t\t\t<altitudeMode>clampToGround</altitudeMode>\n");
602 inWriter.write("\t\t\t<coordinates>");
603 inWriter.write(inPoint.getLongitude().output(Coordinate.FORMAT_DECIMAL_FORCE_POINT));
605 inWriter.write(inPoint.getLatitude().output(Coordinate.FORMAT_DECIMAL_FORCE_POINT));
607 // Altitude if point has one
608 if (inPoint.hasAltitude()) {
609 inWriter.write("" + inPoint.getAltitude().getStringValue(Altitude.Format.METRES));
614 inWriter.write("</coordinates>\n\t\t</Point>\n\t</Placemark>\n");
619 * Export the specified trackpoint into the file
620 * @param inPoint trackpoint to export
621 * @param inWriter writer object
623 private void exportTrackpoint(DataPoint inPoint, Writer inWriter) throws IOException
625 inWriter.write(inPoint.getLongitude().output(Coordinate.FORMAT_DECIMAL_FORCE_POINT));
627 inWriter.write(inPoint.getLatitude().output(Coordinate.FORMAT_DECIMAL_FORCE_POINT));
628 // Altitude if point has one
630 if (inPoint.hasAltitude()) {
631 inWriter.write("" + inPoint.getAltitude().getStringValue(Altitude.Format.METRES));
636 inWriter.write("\n");
641 * Loop through the photos and create thumbnails
642 * @param inZipStream zip stream to save image files to
644 private void exportThumbnails(ZipOutputStream inZipStream) throws IOException
646 // set up image writer
647 Iterator<ImageWriter> writers = ImageIO.getImageWritersByFormatName("jpg");
648 if (writers == null || !writers.hasNext())
650 throw new IOException("no JPEG writer found");
652 ImageWriter imageWriter = writers.next();
654 // Check selection checkbox
655 boolean justSelection = _pointTypeSelector.getJustSelection();
656 int selStart = -1, selEnd = -1;
658 selStart = _trackInfo.getSelection().getStart();
659 selEnd = _trackInfo.getSelection().getEnd();
662 int numPoints = _track.getNumPoints();
663 DataPoint point = null;
665 // Loop over all points in track
666 for (int i=0; i<numPoints && !_cancelPressed; i++)
668 point = _track.getPoint(i);
669 if (point.getPhoto() != null && (!justSelection || (i>=selStart && i<=selEnd)))
672 // Make a new entry in zip file
673 ZipEntry entry = new ZipEntry("images/image" + photoNum + ".jpg");
674 inZipStream.putNextEntry(entry);
675 // Load image and write to outstream
676 ImageIcon icon = new ImageIcon(point.getPhoto().getFile().getAbsolutePath());
678 // Scale and smooth image to required size
679 BufferedImage bufferedImage = ImageUtils.rotateImage(icon.getImage(),
680 THUMBNAIL_WIDTH, THUMBNAIL_HEIGHT, point.getPhoto().getRotationDegrees());
681 // Store image dimensions so that it doesn't have to be calculated again for the points
682 _imageDimensions[i] = new Dimension(bufferedImage.getWidth(), bufferedImage.getHeight());
684 imageWriter.setOutput(ImageIO.createImageOutputStream(inZipStream));
685 imageWriter.write(bufferedImage);
686 // Close zip file entry
687 inZipStream.closeEntry();
688 // Update progress bar
689 _progressBar.setValue(photoNum+1);
696 * @return number of correlated photos in the track
698 private int getNumPhotosToExport()
700 int numPoints = _track.getNumPoints();
702 DataPoint point = null;
703 // Loop over all points in track
704 for (int i=0; i<numPoints; i++)
706 point = _track.getPoint(i);
707 if (point.getPhoto() != null) {