void KMLGPSDataParser::CreateTrackPoints(QDomElement& parent, QDomDocument& root, int timeZone, int altitudeMode)
{
kmlDocument = &root;
//kDebug(AREA_CODE_LOADING) << "creation d'un trackpoint" ;
// create the points
QDomElement kmlPointsFolder = addKmlElement(parent, QLatin1String("Folder"));
addKmlTextElement(kmlPointsFolder, QLatin1String("name"), i18n("Points"));
addKmlTextElement(kmlPointsFolder, QLatin1String("visibility"), QLatin1String("0"));
addKmlTextElement(kmlPointsFolder, QLatin1String("open"), QLatin1String("0"));
int i = 0;
// cache the end to not recalculate it with large number of points
GPSDataMap::ConstIterator end (m_GPSDataMap.constEnd());
for (GPSDataMap::ConstIterator it = m_GPSDataMap.constBegin(); it != end; ++it, ++i)
{
QDomElement kmlPointPlacemark = addKmlElement(kmlPointsFolder, QLatin1String("Placemark"));
addKmlTextElement(kmlPointPlacemark, QLatin1String("name"), QString::fromUtf8("%1 %2 ").arg(i18n("Point")).arg(i));
addKmlTextElement(kmlPointPlacemark, QLatin1String("styleUrl"), QLatin1String("#track"));
QDomElement kmlTimeStamp = addKmlElement(kmlPointPlacemark, QLatin1String("TimeStamp"));
// GPS device are sync in time by satellite using GMT time.
// If the camera time is different than GMT time, we want to
// convert the GPS time to localtime of the picture to be display
// in the same timeframe
QDateTime GPSLocalizedTime = it.key().addSecs(timeZone*3600);
addKmlTextElement(kmlTimeStamp, QLatin1String("when"), GPSLocalizedTime.toString(QLatin1String("yyyy-MM-ddThh:mm:ssZ")));
QDomElement kmlGeometry = addKmlElement(kmlPointPlacemark, QLatin1String("Point"));
addKmlTextElement(kmlPointPlacemark, QLatin1String("visibility"), QLatin1String("0"));
if (it.value().latitude())
{
addKmlTextElement(kmlGeometry, QLatin1String("coordinates"),
QString::fromUtf8("%1,%2,%3 ")
.arg(it.value().longitude()).arg(it.value().latitude()).arg(it.value().altitude()));
}
else
{
addKmlTextElement(kmlGeometry, QLatin1String("coordinates"), QString::fromUtf8("%1,%2 ").arg(it.value().longitude()).arg(it.value().latitude()));
}
if (altitudeMode == 2 )
{
addKmlTextElement(kmlGeometry, QLatin1String("altitudeMode"), QLatin1String("absolute"));
}
else if (altitudeMode == 1 )
{
addKmlTextElement(kmlGeometry, QLatin1String("altitudeMode"), QLatin1String("relativeToGround"));
}
else
{
addKmlTextElement(kmlGeometry, QLatin1String("altitudeMode"), QLatin1String("clampToGround"));
}
}
}
/*!
\fn KmlExport::addTrack(QDomElement &kmlAlbum)
*/
void KmlExport::addTrack(QDomElement& kmlAlbum)
{
if( m_GPXFile.isEmpty() )
{
logWarning(i18n("No GPX file chosen."));
return;
}
m_gpxParser.clear();
bool ret = m_gpxParser.loadGPXFile(m_GPXFile);
if (!ret)
{
logError(i18n("Cannot parse %1 GPX file.",m_GPXFile));
return;
}
if (m_gpxParser.numPoints() <= 0)
{
logError(i18n("The %1 GPX file do not have a date-time track to use.",
m_GPXFile));
return;
}
// create a folder that will contain tracks and points
QDomElement kmlFolder = addKmlElement(kmlAlbum, "Folder");
addKmlTextElement(kmlFolder, "name", i18n("Tracks"));
if (!m_optimize_googlemap)
{
// style of points and track
QDomElement kmlTrackStyle = addKmlElement(kmlAlbum, "Style");
kmlTrackStyle.setAttribute("id","track");
QDomElement kmlIconStyle = addKmlElement(kmlTrackStyle, "IconStyle");
QDomElement kmlIcon = addKmlElement(kmlIconStyle, "Icon");
//! FIXME is there a way to be sure of the location of the icon?
addKmlTextElement(kmlIcon, "href", "http://maps.google.com/mapfiles/kml/pal4/icon60.png");
m_gpxParser.CreateTrackPoints(kmlFolder, *m_kmlDocument, m_TimeZone - 12, m_GPXAltitudeMode);
}
// linetrack style
QDomElement kmlLineTrackStyle = addKmlElement(kmlAlbum, "Style");
kmlLineTrackStyle.setAttribute("id","linetrack");
QDomElement kmlLineStyle = addKmlElement(kmlLineTrackStyle, "LineStyle");
// the KML color is not #RRGGBB but AABBGGRR
QString KMLColorValue = QString("%1%2%3%4")
.arg((int)m_GPXOpacity*256/100, 2, 16)
.arg((&m_GPXColor)->blue(), 2, 16)
.arg((&m_GPXColor)->green(), 2, 16)
.arg((&m_GPXColor)->red(), 2, 16);
addKmlTextElement(kmlLineStyle, "color", KMLColorValue);
addKmlTextElement(kmlLineStyle, "width", QString("%1").arg(m_LineWidth) );
m_gpxParser.CreateTrackLine(kmlAlbum, *m_kmlDocument, m_GPXAltitudeMode);
}
void KMLGPSDataParser::CreateTrackLine(QDomElement& parent, QDomDocument& root, int altitudeMode)
{
kmlDocument = &root;
// add the linetrack
QDomElement kmlPlacemark = addKmlElement(parent, QLatin1String("Placemark"));
addKmlTextElement(kmlPlacemark, QLatin1String("name"), i18n("Track"));
QDomElement kmlLineString = addKmlElement(kmlPlacemark, QLatin1String("LineString"));
addKmlTextElement(kmlLineString, QLatin1String("coordinates"), lineString());
addKmlTextElement(kmlPlacemark, QLatin1String("styleUrl"), QLatin1String("#linetrack"));
if (altitudeMode == 2 )
{
addKmlTextElement(kmlLineString, QLatin1String("altitudeMode"), QLatin1String("absolute"));
}
else if (altitudeMode == 1 )
{
addKmlTextElement(kmlLineString, QLatin1String("altitudeMode"), QLatin1String("relativeToGround"));
}
else
{
addKmlTextElement(kmlLineString, QLatin1String("altitudeMode"), QLatin1String("clampToGround"));
}
}
/*!
\fn KmlExport::generate()
*/
void KmlExport::generate()
{
//! @todo perform a test here before continuing.
createDir(QString(m_tempDestDir + m_imageDir));
m_progressDialog->show();
ImageCollection selection = m_interface->currentSelection();
ImageCollection album = m_interface->currentAlbum();
// create the document, and it's root
m_kmlDocument = new QDomDocument("");
QDomImplementation impl;
QDomProcessingInstruction instr = m_kmlDocument->createProcessingInstruction("xml", "version=\"1.0\" encoding=\"UTF-8\"");
m_kmlDocument->appendChild(instr);
QDomElement kmlRoot = m_kmlDocument->createElementNS("http://www.opengis.net/kml/2.2", "kml");
m_kmlDocument->appendChild( kmlRoot );
QDomElement kmlAlbum = addKmlElement(kmlRoot, "Document");
QDomElement kmlName = addKmlTextElement(kmlAlbum, "name", album.name());
QDomElement kmlDescription = addKmlHtmlElement(kmlAlbum, "description",
"Created with kmlexport <a href=\"http://www.digikam.org/\">kipi-plugin</a>");
if (m_GPXtracks)
{
addTrack(kmlAlbum);
}
KPMetadata meta;
KUrl::List images = selection.images();
int defectImage = 0;
int pos = 1;
int count = images.count();
KUrl::List::ConstIterator imagesEnd (images.constEnd());
for( KUrl::List::ConstIterator selIt = images.constBegin(); selIt != imagesEnd; ++selIt, ++pos)
{
double alt, lat, lng;
KUrl url = *selIt;
KPImageInfo info(url);
bool hasGPSInfo = info.hasGeolocationInfo();
if (hasGPSInfo)
{
lat = info.latitude();
lng = info.longitude();
alt = info.altitude();
}
else
{
meta.load(url.path());
hasGPSInfo = meta.getGPSInfo(alt, lat, lng);
}
if ( hasGPSInfo )
{
// generation de l'image et de l'icone
generateImagesthumb(url, kmlAlbum);
}
else
{
logWarning(i18n("No position data for '%1'", info.name()));
defectImage++;
}
m_progressDialog->progressWidget()->setProgress(pos, count);
kapp->processEvents();
}
if (defectImage)
{
/** @todo if defectImage==count there are no pictures exported, does is it worth to continue? */
KMessageBox::information(kapp->activeWindow(),
i18np("No position data for 1 picture",
"No position data for %1 pictures", defectImage));
}
/** @todo change to kml or kmz if compressed */
QFile file( m_tempDestDir + m_KMLFileName + ".kml");
/** @todo handle file opening problems */
file.open( QIODevice::WriteOnly );
QTextStream stream( &file ); // we will serialize the data into the file
stream << m_kmlDocument->toString();
file.close();
delete m_kmlDocument;
m_kmlDocument = 0;
KIO::moveAs(m_tempDestDir, m_baseDestDir, KIO::HideProgressInfo | KIO::Overwrite);
logInfo(i18n("Move to final directory"));
m_progressDialog->close();
}
/*!
\fn KmlExport::generateImagesthumb(const KUrl& imageURL, QDomElement& kmlAlbum )
*/
void KmlExport::generateImagesthumb(const KUrl& imageURL, QDomElement& kmlAlbum )
{
KPImageInfo info(imageURL);
// Load image
QString path = imageURL.path();
QFile imageFile(path);
if (!imageFile.open(QIODevice::ReadOnly))
{
logWarning(i18n("Could not read image '%1'",path));
return;
}
QImageReader reader(&imageFile);
QString imageFormat = reader.format();
if (imageFormat.isEmpty())
{
logWarning(i18n("Format of image '%1' is unknown",path));
return;
}
imageFile.close();
imageFile.open(QIODevice::ReadOnly);
QByteArray imageData = imageFile.readAll();
QImage image;
if (!image.loadFromData(imageData) )
{
logWarning(i18n("Error loading image '%1'",path));
return;
}
// Process images
if ( info.orientation() != KPMetadata::ORIENTATION_UNSPECIFIED )
{
QMatrix matrix = RotationMatrix::toMatrix(info.orientation());
image = image.transformed( matrix );
}
image = image.scaled(m_size, m_size, Qt::KeepAspectRatioByExpanding);
QImage icon;
if (m_optimize_googlemap)
{
icon = generateSquareThumbnail(image,m_googlemapSize);
}
else
{
// icon = image.smoothScale(m_iconSize, m_iconSize, QImage::ScaleMax);
icon = generateBorderedThumbnail(image, m_iconSize);
}
// Save images
/** @todo remove the extension of the file
* it's appear with digikam but not with gwenview
* which already seems to strip the extension
*/
QString baseFileName = webifyFileName(info.name());
//baseFileName = mUniqueNameHelper.makeNameUnique(baseFileName);
QString fullFileName;
fullFileName = baseFileName + '.' + imageFormat.toLower();
QString destPath = m_tempDestDir + m_imageDir + fullFileName;
if (!image.save(destPath, imageFormat.toAscii(), 85))
{
// if not able to save the image, it's pointless to create a placemark
logWarning(i18n("Could not save image '%1' to '%2'",path,destPath));
}
else
{
//logInfo(i18n("Creation of picture '%1'").arg(fullFileName));
double alt, lat, lng;
KPMetadata meta;
if (info.hasGeolocationInfo())
{
lat = info.latitude();
lng = info.longitude();
alt = info.altitude();
}
else
{
meta.load(imageURL.path());
meta.getGPSInfo(alt, lat, lng);
}
QDomElement kmlPlacemark = addKmlElement(kmlAlbum, "Placemark");
addKmlTextElement(kmlPlacemark,"name",fullFileName);
// location and altitude
QDomElement kmlGeometry = addKmlElement(kmlPlacemark, "Point");
if (alt)
{
addKmlTextElement(kmlGeometry, "coordinates", QString("%1,%2,%3 ")
.arg(lng, 0, 'f', 8)
.arg(lat, 0, 'f', 8)
.arg(alt, 0, 'f', 8));
}
else
{
addKmlTextElement(kmlGeometry, "coordinates", QString("%1,%2 ")
.arg(lng, 0, 'f', 8)
.arg(lat, 0, 'f', 8));
}
if (m_altitudeMode == 2 )
{
addKmlTextElement(kmlGeometry, "altitudeMode", "absolute");
}
else if (m_altitudeMode == 1 )
{
addKmlTextElement(kmlGeometry, "altitudeMode", "relativeToGround");
}
else
{
addKmlTextElement(kmlGeometry, "altitudeMode", "clampToGround");
}
addKmlTextElement(kmlGeometry, "extrude", "1");
// we try to load exif value if any otherwise, try the application db
/** we need to take the DateTimeOriginal
* if we refer to http://www.exif.org/Exif2-2.PDF
* (standard)DateTime: is The date and time of image creation. In this standard it is the date and time the file was changed
* DateTimeOriginal: The date and time when the original image data was generated.
* For a DSC the date and time the picture was taken are recorded.
* DateTimeDigitized: The date and time when the image was stored as digital data.
* So for:
* - a DSC: the right time is the DateTimeDigitized which is also DateTimeOriginal
* if the picture has been modified the (standard)DateTime should change.
* - a scanned picture, the right time is the DateTimeOriginal which should also be the DateTime
* the (standard)DateTime should be the same except if the picture is modified
* - a panorama created from several pictures, the right time is the DateTimeOriginal (average of DateTimeOriginal actually)
* The (standard)DateTime is the creation date of the panorama.
* it's seems the time to take into acccount is the DateTimeOriginal.
* but the KPMetadata::getImageDateTime() return the (standard)DateTime first
* KPMetadata seems to take Original dateTime first so it shoul be alright now.
*/
QDateTime datetime = meta.getImageDateTime();
if (datetime.isValid())
{
QDomElement kmlTimeStamp = addKmlElement(kmlPlacemark, "TimeStamp");
addKmlTextElement(kmlTimeStamp, "when", datetime.toString("yyyy-MM-ddThh:mm:ssZ"));
}
else if (m_interface->hasFeature(ImagesHasTime))
{
QDomElement kmlTimeStamp = addKmlElement(kmlPlacemark, "TimeStamp");
addKmlTextElement(kmlTimeStamp, "when", (info.date()).toString("yyyy-MM-ddThh:mm:ssZ"));
}
QString my_description;
if (m_optimize_googlemap)
{
my_description = "<img src=\"" + m_UrlDestDir + m_imageDir + fullFileName + "\">";
}
else
{
my_description = "<img src=\"" + m_imageDir + fullFileName + "\">";
}
if ( m_interface->hasFeature( ImagesHasComments ) )
{
my_description += "<br/>" + info.description() ;
}
addKmlTextElement(kmlPlacemark, "description", my_description);
logInfo(i18n("Creation of placemark '%1'", fullFileName));
// Save icon
QString iconFileName = "thumb_" + baseFileName + '.' + imageFormat.toLower();
QString destPath = m_tempDestDir + m_imageDir + iconFileName;
if (!icon.save(destPath, imageFormat.toAscii(), 85))
{
logWarning(i18n("Could not save icon for image '%1' to '%2'",path,destPath));
}
else
{
//logInfo(i18n("Creation of icon '%1'").arg(iconFileName));
// style et icon
QDomElement kmlStyle = addKmlElement(kmlPlacemark, "Style");
QDomElement kmlIconStyle = addKmlElement(kmlStyle, "IconStyle");
QDomElement kmlIcon = addKmlElement(kmlIconStyle, "Icon");
if (m_optimize_googlemap)
{
addKmlTextElement(kmlIcon, "href", m_UrlDestDir + m_imageDir + iconFileName);
}
else
{
addKmlTextElement(kmlIcon, "href", m_imageDir + iconFileName);
}
QDomElement kmlBallonStyle = addKmlElement(kmlStyle, "BalloonStyle");
addKmlTextElement(kmlBallonStyle, "text", "$[description]");
}
}
}
