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.DialogCloser;
53 import tim.prune.gui.ImageUtils;
54 import tim.prune.load.GenericFileFilter;
57 * Class to export track information
58 * into a specified Kml or Kmz file
60 public class KmlExporter extends GenericFunction implements Runnable
62 private TrackInfo _trackInfo = null;
63 private Track _track = null;
64 private JDialog _dialog = null;
65 private JTextField _descriptionField = null;
66 private PointTypeSelector _pointTypeSelector = null;
67 private JCheckBox _altitudesCheckbox = null;
68 private JCheckBox _kmzCheckbox = null;
69 private JCheckBox _exportImagesCheckbox = null;
70 private ColourPatch _colourPatch = null;
71 private JLabel _progressLabel = null;
72 private JProgressBar _progressBar = null;
73 private Dimension[] _imageDimensions = null;
74 private JFileChooser _fileChooser = null;
75 private File _exportFile = null;
76 private JButton _okButton = null;
77 private boolean _cancelPressed = false;
78 private ColourChooser _colourChooser = null;
80 // Filename of Kml file within zip archive
81 private static final String KML_FILENAME_IN_KMZ = "doc.kml";
82 // Default width and height of thumbnail images in Kmz
83 private static final int DEFAULT_THUMBNAIL_WIDTH = 240;
84 private static final int DEFAULT_THUMBNAIL_HEIGHT = 240;
85 // Default track colour
86 private static final Color DEFAULT_TRACK_COLOUR = new Color(204, 0, 0); // red
91 * @param inApp app object
93 public KmlExporter(App inApp)
96 _trackInfo = inApp.getTrackInfo();
97 _track = _trackInfo.getTrack();
101 public String getNameKey() {
102 return "function.exportkml";
106 * Show the dialog to select options and export file
110 // Make dialog window including whether to compress to kmz (and include pictures) or not
113 _dialog = new JDialog(_parentFrame, I18nManager.getText(getNameKey()), true);
114 _dialog.setLocationRelativeTo(_parentFrame);
115 _dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
116 _dialog.getContentPane().add(makeDialogComponents());
118 _colourChooser = new ColourChooser(_dialog);
121 _descriptionField.setEnabled(true);
122 _okButton.setEnabled(true);
123 _progressLabel.setText("");
124 _progressBar.setVisible(false);
125 _dialog.setVisible(true);
130 * Create dialog components
131 * @return Panel containing all gui elements in dialog
133 private Component makeDialogComponents()
135 JPanel dialogPanel = new JPanel();
136 dialogPanel.setLayout(new BorderLayout(0, 5));
137 JPanel mainPanel = new JPanel();
138 mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.Y_AXIS));
139 // Make a central panel with the text box and checkboxes
140 JPanel descPanel = new JPanel();
141 descPanel.setLayout(new FlowLayout());
142 descPanel.add(new JLabel(I18nManager.getText("dialog.exportkml.text")));
143 _descriptionField = new JTextField(20);
144 _descriptionField.addKeyListener(new DialogCloser(_dialog));
145 descPanel.add(_descriptionField);
146 descPanel.setAlignmentX(Component.CENTER_ALIGNMENT);
147 mainPanel.add(descPanel);
148 dialogPanel.add(mainPanel, BorderLayout.CENTER);
149 // point type selection
150 _pointTypeSelector = new PointTypeSelector();
151 _pointTypeSelector.setAlignmentX(Component.CENTER_ALIGNMENT);
152 mainPanel.add(_pointTypeSelector);
154 Color trackColour = ColourUtils.colourFromHex(Config.getConfigString(Config.KEY_KML_TRACK_COLOUR));
155 if (trackColour == null) {
156 trackColour = DEFAULT_TRACK_COLOUR;
158 _colourPatch = new ColourPatch(trackColour);
159 _colourPatch.addMouseListener(new MouseAdapter() {
160 public void mouseClicked(MouseEvent e) {
161 _colourChooser.showDialog(_colourPatch.getBackground());
162 Color colour = _colourChooser.getChosenColour();
163 if (colour != null) _colourPatch.setColour(colour);
166 JPanel colourPanel = new JPanel();
167 colourPanel.add(new JLabel(I18nManager.getText("dialog.exportkml.trackcolour")));
168 colourPanel.add(_colourPatch);
169 mainPanel.add(colourPanel);
170 // Checkbox for altitude export
171 _altitudesCheckbox = new JCheckBox(I18nManager.getText("dialog.exportkml.altitude"));
172 _altitudesCheckbox.setHorizontalTextPosition(SwingConstants.LEFT);
173 _altitudesCheckbox.setAlignmentX(Component.CENTER_ALIGNMENT);
174 mainPanel.add(_altitudesCheckbox);
175 // Checkboxes for kmz export and image export
176 _kmzCheckbox = new JCheckBox(I18nManager.getText("dialog.exportkml.kmz"));
177 _kmzCheckbox.setHorizontalTextPosition(SwingConstants.LEFT);
178 _kmzCheckbox.setAlignmentX(Component.CENTER_ALIGNMENT);
179 _kmzCheckbox.addActionListener(new ActionListener() {
180 public void actionPerformed(ActionEvent e)
182 // enable image checkbox if kmz activated
186 mainPanel.add(_kmzCheckbox);
187 _exportImagesCheckbox = new JCheckBox(I18nManager.getText("dialog.exportkml.exportimages"));
188 _exportImagesCheckbox.setHorizontalTextPosition(SwingConstants.LEFT);
189 _exportImagesCheckbox.setAlignmentX(Component.CENTER_ALIGNMENT);
190 mainPanel.add(_exportImagesCheckbox);
191 mainPanel.add(Box.createVerticalStrut(10));
192 _progressLabel = new JLabel("...");
193 _progressLabel.setAlignmentX(Component.CENTER_ALIGNMENT);
194 mainPanel.add(_progressLabel);
195 _progressBar = new JProgressBar(0, 100);
196 _progressBar.setVisible(false);
197 _progressBar.setAlignmentX(Component.CENTER_ALIGNMENT);
198 mainPanel.add(_progressBar);
199 mainPanel.add(Box.createVerticalStrut(10));
200 // button panel at bottom
201 JPanel buttonPanel = new JPanel();
202 buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
203 _okButton = new JButton(I18nManager.getText("button.ok"));
204 ActionListener okListener = new ActionListener() {
205 public void actionPerformed(ActionEvent e)
210 _okButton.addActionListener(okListener);
211 _descriptionField.addActionListener(okListener);
212 buttonPanel.add(_okButton);
213 JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
214 cancelButton.addActionListener(new ActionListener() {
215 public void actionPerformed(ActionEvent e)
217 _cancelPressed = true;
221 buttonPanel.add(cancelButton);
222 dialogPanel.add(buttonPanel, BorderLayout.SOUTH);
228 * Enable the checkboxes according to data
230 private void enableCheckboxes()
232 _pointTypeSelector.init(_trackInfo);
233 boolean hasAltitudes = _track.hasData(Field.ALTITUDE);
234 if (!hasAltitudes) {_altitudesCheckbox.setSelected(false);}
235 boolean hasPhotos = _trackInfo.getPhotoList() != null && _trackInfo.getPhotoList().getNumPhotos() > 0;
236 _exportImagesCheckbox.setSelected(hasPhotos && _kmzCheckbox.isSelected());
237 _exportImagesCheckbox.setEnabled(hasPhotos && _kmzCheckbox.isSelected());
242 * Start the export process based on the input parameters
244 private void startExport()
246 // OK pressed, now validate selection checkboxes
247 if (!_pointTypeSelector.getAnythingSelected()) {
248 JOptionPane.showMessageDialog(_parentFrame, I18nManager.getText("dialog.save.notypesselected"),
249 I18nManager.getText("dialog.saveoptions.title"), JOptionPane.WARNING_MESSAGE);
252 // Choose output file
253 if (_fileChooser == null)
255 _fileChooser = new JFileChooser();
256 _fileChooser.setDialogType(JFileChooser.SAVE_DIALOG);
257 _fileChooser.setFileFilter(new GenericFileFilter("filetype.kmlkmz", new String[] {"kml", "kmz"}));
258 // start from directory in config which should be set
259 String configDir = Config.getConfigString(Config.KEY_TRACK_DIR);
260 if (configDir != null) {_fileChooser.setCurrentDirectory(new File(configDir));}
262 String requiredExtension = null, otherExtension = null;
263 if (_kmzCheckbox.isSelected()) {
264 requiredExtension = ".kmz"; otherExtension = ".kml";
267 requiredExtension = ".kml"; otherExtension = ".kmz";
269 _fileChooser.setAcceptAllFileFilterUsed(false);
270 // Allow choose again if an existing file is selected
271 boolean chooseAgain = false;
275 if (_fileChooser.showSaveDialog(_parentFrame) == JFileChooser.APPROVE_OPTION)
277 // OK pressed and file chosen
278 File file = _fileChooser.getSelectedFile();
279 if (file.getName().toLowerCase().endsWith(otherExtension))
281 String path = file.getAbsolutePath();
282 file = new File(path.substring(0, path.length()-otherExtension.length()) + requiredExtension);
284 else if (!file.getName().toLowerCase().endsWith(requiredExtension))
286 file = new File(file.getAbsolutePath() + requiredExtension);
288 // Check if file exists and if necessary prompt for overwrite
289 Object[] buttonTexts = {I18nManager.getText("button.overwrite"), I18nManager.getText("button.cancel")};
290 if (!file.exists() || JOptionPane.showOptionDialog(_parentFrame,
291 I18nManager.getText("dialog.save.overwrite.text"),
292 I18nManager.getText("dialog.save.overwrite.title"), JOptionPane.YES_NO_OPTION,
293 JOptionPane.WARNING_MESSAGE, null, buttonTexts, buttonTexts[1])
294 == JOptionPane.YES_OPTION)
296 // New file or overwrite confirmed, so initiate export in separate thread
298 _cancelPressed = false;
299 new Thread(this).start();
306 } while (chooseAgain);
311 * Run method for controlling separate thread for exporting
315 // Disable ok button to stop second go
316 _okButton.setEnabled(false);
317 _descriptionField.setEnabled(false);
318 // Initialise progress indicators
319 _progressLabel.setText(I18nManager.getText("confirm.running"));
320 _progressBar.setVisible(true);
321 _progressBar.setValue(0);
322 boolean exportToKmz = _kmzCheckbox.isSelected();
323 boolean exportImages = exportToKmz && _exportImagesCheckbox.isSelected();
324 _progressBar.setMaximum(exportImages?getNumPhotosToExport():1);
326 // Determine photo thumbnail size from config
327 int thumbWidth = Config.getConfigInt(Config.KEY_KMZ_IMAGE_WIDTH);
328 if (thumbWidth < DEFAULT_THUMBNAIL_WIDTH) {thumbWidth = DEFAULT_THUMBNAIL_WIDTH;}
329 int thumbHeight = Config.getConfigInt(Config.KEY_KMZ_IMAGE_HEIGHT);
330 if (thumbHeight < DEFAULT_THUMBNAIL_HEIGHT) {thumbHeight = DEFAULT_THUMBNAIL_HEIGHT;}
331 // Create array for image dimensions in case it's required
332 _imageDimensions = new Dimension[_track.getNumPoints()];
334 OutputStreamWriter writer = null;
335 ZipOutputStream zipOutputStream = null;
338 // Select writer according to whether kmz requested or not
339 if (!_kmzCheckbox.isSelected())
341 // normal writing to file
342 writer = new OutputStreamWriter(new FileOutputStream(_exportFile));
346 // kmz requested - need zip output stream
347 zipOutputStream = new ZipOutputStream(new FileOutputStream(_exportFile));
348 // Export images into zip file too if requested
351 // Create thumbnails of each photo in turn and add to zip as images/image<n>.jpg
352 // This is done first so that photo sizes are known for later
353 exportThumbnails(zipOutputStream, thumbWidth, thumbHeight);
355 writer = new OutputStreamWriter(zipOutputStream);
356 // Make an entry in the zip file for the kml file
357 ZipEntry kmlEntry = new ZipEntry(KML_FILENAME_IN_KMZ);
358 zipOutputStream.putNextEntry(kmlEntry);
361 final int numPoints = exportData(writer, exportImages);
362 // update config with selected track colour
363 Config.setConfigString(Config.KEY_KML_TRACK_COLOUR, ColourUtils.makeHexCode(_colourPatch.getBackground()));
364 // update progress bar
365 _progressBar.setValue(1);
367 // close zip entry if necessary
368 if (zipOutputStream != null)
370 // Make sure all buffered data in writer is flushed
372 // Close off this entry in the zip file
373 zipOutputStream.closeEntry();
378 _imageDimensions = null;
379 // Store directory in config for later
380 Config.setConfigString(Config.KEY_TRACK_DIR, _exportFile.getParentFile().getAbsolutePath());
382 UpdateMessageBroker.informSubscribers(I18nManager.getText("confirm.save.ok1")
383 + " " + numPoints + " " + I18nManager.getText("confirm.save.ok2")
384 + " " + _exportFile.getAbsolutePath());
385 // export successful so need to close dialog and return
389 catch (IOException ioe)
392 if (writer != null) writer.close();
394 catch (IOException ioe2) {}
395 JOptionPane.showMessageDialog(_parentFrame,
396 I18nManager.getText("error.save.failed") + " : " + ioe.getMessage(),
397 I18nManager.getText("error.save.dialogtitle"), JOptionPane.ERROR_MESSAGE);
399 // if not returned already, export failed so need to recall the file selection
405 * Export the information to the given writer
406 * @param inWriter writer object
407 * @param inExportImages true if image thumbnails are to be referenced
408 * @return number of points written
410 private int exportData(OutputStreamWriter inWriter, boolean inExportImages)
413 boolean writeTrack = _pointTypeSelector.getTrackpointsSelected();
414 boolean writeWaypoints = _pointTypeSelector.getWaypointsSelected();
415 boolean writePhotos = _pointTypeSelector.getPhotopointsSelected();
416 boolean writeAudios = _pointTypeSelector.getAudiopointsSelected();
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());
425 inWriter.write("Export from Prune");
427 inWriter.write("</name>\n");
429 // Examine selection if required
430 int selStart = -1, selEnd = -1;
432 selStart = _trackInfo.getSelection().getStart();
433 selEnd = _trackInfo.getSelection().getEnd();
436 boolean absoluteAltitudes = _altitudesCheckbox.isSelected();
438 DataPoint point = null;
439 boolean hasTrackpoints = false;
440 boolean writtenPhotoHeader = false, writtenAudioHeader = false;
441 final int numPoints = _track.getNumPoints();
444 // Loop over waypoints
445 for (i=0; i<numPoints; i++)
447 point = _track.getPoint(i);
448 boolean writeCurrentPoint = !justSelection || (i>=selStart && i<=selEnd);
449 // Make a blob for each waypoint
450 if (point.isWaypoint())
452 if (writeWaypoints && writeCurrentPoint)
454 exportWaypoint(point, inWriter, absoluteAltitudes);
458 else if (!point.hasMedia())
460 hasTrackpoints = true;
462 // Make a blob with description for each photo
463 // Photos have already been written so picture sizes already known
464 if (point.getPhoto() != null && writePhotos && writeCurrentPoint)
466 if (!writtenPhotoHeader)
468 inWriter.write("<Style id=\"camera_icon\"><IconStyle><Icon><href>http://maps.google.com/mapfiles/kml/pal4/icon46.png</href></Icon></IconStyle></Style>");
469 writtenPhotoHeader = true;
472 exportPhotoPoint(point, inWriter, inExportImages, i, photoNum, absoluteAltitudes);
475 // Make a blob with description for each audio file
476 if (point.getAudio() != null && writeAudios && writeCurrentPoint)
478 if (!writtenAudioHeader)
480 inWriter.write("<Style id=\"audio_icon\"><IconStyle><color>ff00ffff</color><Icon><href>http://maps.google.com/mapfiles/kml/shapes/star.png</href></Icon></IconStyle></Style>");
481 writtenAudioHeader = true;
483 exportAudioPoint(point, inWriter, absoluteAltitudes);
487 // Make a line for the track, if there is one
488 if (hasTrackpoints && writeTrack)
490 // Set up strings for start and end of track segment
491 String trackStart = "\t<Placemark>\n\t\t<name>track</name>\n\t\t<Style>\n\t\t\t<LineStyle>\n"
492 + "\t\t\t\t<color>cc" + reverse(ColourUtils.makeHexCode(_colourPatch.getBackground())) + "</color>\n"
493 + "\t\t\t\t<width>4</width>\n\t\t\t</LineStyle>\n"
494 + "\t\t\t<PolyStyle><color>33cc0000</color></PolyStyle>\n"
495 + "\t\t</Style>\n\t\t<LineString>\n";
496 if (absoluteAltitudes) {
497 trackStart += "\t\t\t<extrude>1</extrude>\n\t\t\t<altitudeMode>absolute</altitudeMode>\n";
500 trackStart += "\t\t\t<altitudeMode>clampToGround</altitudeMode>\n";
502 trackStart += "\t\t\t<coordinates>";
503 String trackEnd = "\t\t\t</coordinates>\n\t\t</LineString>\n\t</Placemark>";
506 inWriter.write(trackStart);
507 // Loop over track points
508 boolean firstTrackpoint = true;
509 for (i=0; i<numPoints; i++)
511 point = _track.getPoint(i);
512 boolean writeCurrentPoint = !justSelection || (i>=selStart && i<=selEnd);
513 if (!point.isWaypoint() && writeCurrentPoint)
515 // start new track segment if necessary
516 if (point.getSegmentStart() && !firstTrackpoint) {
517 inWriter.write(trackEnd);
518 inWriter.write(trackStart);
520 if (point.getPhoto() == null)
522 exportTrackpoint(point, inWriter);
524 firstTrackpoint = false;
529 inWriter.write(trackEnd);
531 inWriter.write("</Folder>\n</kml>");
536 * Reverse the hex code for the colours for KML's stupid backwards format
537 * @param inCode colour code rrggbb
538 * @return kml code bbggrr
540 private static String reverse(String inCode)
542 return inCode.substring(4, 6) + inCode.substring(2, 4) + inCode.substring(0, 2);
546 * Export the specified waypoint into the file
547 * @param inPoint waypoint to export
548 * @param inWriter writer object
549 * @param inAbsoluteAltitude true for absolute altitude
550 * @throws IOException on write failure
552 private void exportWaypoint(DataPoint inPoint, Writer inWriter, boolean inAbsoluteAltitude) throws IOException
554 String name = inPoint.getWaypointName().trim();
555 exportNamedPoint(inPoint, inWriter, name, null, null, inAbsoluteAltitude);
560 * Export the specified audio point into the file
561 * @param inPoint audio point to export
562 * @param inWriter writer object
563 * @param inAbsoluteAltitude true for absolute altitude
564 * @throws IOException on write failure
566 private void exportAudioPoint(DataPoint inPoint, Writer inWriter, boolean inAbsoluteAltitude) throws IOException
568 String name = inPoint.getAudio().getFile().getName();
569 String desc = inPoint.getAudio().getFile().getAbsolutePath();
570 exportNamedPoint(inPoint, inWriter, name, desc, "audio_icon", inAbsoluteAltitude);
575 * Export the specified photo into the file
576 * @param inPoint data point including photo
577 * @param inWriter writer object
578 * @param inImageLink flag to set whether to export image links or not
579 * @param inPointNumber number of point for accessing dimensions
580 * @param inImageNumber number of image for filename
581 * @param inAbsoluteAltitude true for absolute altitudes
582 * @throws IOException on write failure
584 private void exportPhotoPoint(DataPoint inPoint, Writer inWriter, boolean inImageLink,
585 int inPointNumber, int inImageNumber, boolean inAbsoluteAltitude)
588 String name = inPoint.getPhoto().getFile().getName();
592 Dimension imageSize = _imageDimensions[inPointNumber];
593 // Create html for the thumbnail images
594 desc = "<![CDATA[<br/><table border='0'><tr><td><center><img src='images/image"
595 + inImageNumber + ".jpg' width='" + imageSize.width + "' height='" + imageSize.height + "'></center></td></tr>"
596 + "<tr><td><center>" + inPoint.getPhoto().getFile().getName() + "</center></td></tr></table>]]>";
599 exportNamedPoint(inPoint, inWriter, name, desc, "camera_icon", inAbsoluteAltitude);
604 * Export the specified named point into the file, like waypoint or photo point
605 * @param inPoint data point
606 * @param inWriter writer object
607 * @param inName name of point
608 * @param inDesc description of point, or null
609 * @param inStyle style of point, or null
610 * @param inAbsoluteAltitude true for absolute altitudes
611 * @throws IOException on write failure
613 private void exportNamedPoint(DataPoint inPoint, Writer inWriter, String inName,
614 String inDesc, String inStyle, boolean inAbsoluteAltitude)
617 inWriter.write("\t<Placemark>\n\t\t<name>");
618 inWriter.write(inName);
619 inWriter.write("</name>\n");
622 // Write out description
623 inWriter.write("<description>");
624 inWriter.write(inDesc);
625 inWriter.write("</description>");
629 inWriter.write("<styleUrl>#");
630 inWriter.write(inStyle);
631 inWriter.write("</styleUrl>\n");
633 inWriter.write("\t\t<Point>\n");
634 if (inAbsoluteAltitude && inPoint.hasAltitude()) {
635 inWriter.write("\t\t\t<altitudeMode>absolute</altitudeMode>\n");
638 inWriter.write("\t\t\t<altitudeMode>clampToGround</altitudeMode>\n");
640 inWriter.write("\t\t\t<coordinates>");
641 inWriter.write(inPoint.getLongitude().output(Coordinate.FORMAT_DECIMAL_FORCE_POINT));
643 inWriter.write(inPoint.getLatitude().output(Coordinate.FORMAT_DECIMAL_FORCE_POINT));
645 // Altitude if point has one
646 if (inPoint.hasAltitude()) {
647 inWriter.write("" + inPoint.getAltitude().getStringValue(Altitude.Format.METRES));
652 inWriter.write("</coordinates>\n\t\t</Point>\n\t</Placemark>\n");
657 * Export the specified trackpoint into the file
658 * @param inPoint trackpoint to export
659 * @param inWriter writer object
661 private void exportTrackpoint(DataPoint inPoint, Writer inWriter) throws IOException
663 inWriter.write(inPoint.getLongitude().output(Coordinate.FORMAT_DECIMAL_FORCE_POINT));
665 inWriter.write(inPoint.getLatitude().output(Coordinate.FORMAT_DECIMAL_FORCE_POINT));
666 // Altitude if point has one
668 if (inPoint.hasAltitude()) {
669 inWriter.write("" + inPoint.getAltitude().getStringValue(Altitude.Format.METRES));
674 inWriter.write('\n');
679 * Loop through the photos and create thumbnails
680 * @param inZipStream zip stream to save image files to
681 * @param inThumbWidth thumbnail width
682 * @param inThumbHeight thumbnail height
684 private void exportThumbnails(ZipOutputStream inZipStream, int inThumbWidth, int inThumbHeight)
687 // set up image writer
688 Iterator<ImageWriter> writers = ImageIO.getImageWritersByFormatName("jpg");
689 if (writers == null || !writers.hasNext())
691 throw new IOException("no JPEG writer found");
693 ImageWriter imageWriter = writers.next();
695 // Check selection checkbox
696 boolean justSelection = _pointTypeSelector.getJustSelection();
697 int selStart = -1, selEnd = -1;
699 selStart = _trackInfo.getSelection().getStart();
700 selEnd = _trackInfo.getSelection().getEnd();
703 int numPoints = _track.getNumPoints();
704 DataPoint point = null;
706 // Loop over all points in track
707 for (int i=0; i<numPoints && !_cancelPressed; i++)
709 point = _track.getPoint(i);
710 if (point.getPhoto() != null && (!justSelection || (i>=selStart && i<=selEnd)))
713 // Make a new entry in zip file
714 ZipEntry entry = new ZipEntry("images/image" + photoNum + ".jpg");
715 inZipStream.putNextEntry(entry);
716 // Load image and write to outstream
717 ImageIcon icon = new ImageIcon(point.getPhoto().getFile().getAbsolutePath());
719 // Scale and smooth image to required size
720 BufferedImage bufferedImage = ImageUtils.rotateImage(icon.getImage(),
721 inThumbWidth, inThumbHeight, point.getPhoto().getRotationDegrees());
722 // Store image dimensions so that it doesn't have to be calculated again for the points
723 _imageDimensions[i] = new Dimension(bufferedImage.getWidth(), bufferedImage.getHeight());
725 imageWriter.setOutput(ImageIO.createImageOutputStream(inZipStream));
726 imageWriter.write(bufferedImage);
727 // Close zip file entry
728 inZipStream.closeEntry();
729 // Update progress bar
730 _progressBar.setValue(photoNum+1);
737 * @return number of correlated photos in the track
739 private int getNumPhotosToExport()
741 int numPoints = _track.getNumPoints();
743 DataPoint point = null;
744 // Loop over all points in track
745 for (int i=0; i<numPoints; i++)
747 point = _track.getPoint(i);
748 if (point.getPhoto() != null) {