src/code/picinfomodel.cpp

0001 // Copyright 2018-2020 Camilo Higuita <milo.h@aol.com>
0002 // Copyright 2018-2020 Nitrux Latinoamericana S.C.
0003 //
0004 // SPDX-License-Identifier: GPL-3.0-or-later
0005
0006 #include "picinfomodel.h"
0007 #include "exiv2extractor.h"
0008
0009 #include <QDateTime>
0010 #include <QDebug>
0011 #include <QLocale>
0012 #include <QUrl>
0013
0014 std::string gpsToString(Exiv2::Metadatum& value);
0015 PicInfoModel::PicInfoModel(QObject *parent)  : MauiList(parent)
0016 , m_extractor(new Exiv2Extractor(this))
0017
0018 {
0019 }
0020
0021 void PicInfoModel::componentComplete()
0022 {
0023     connect(this, &PicInfoModel::urlChanged, [this](QUrl)
0024     {
0025         if (!FMH::fileExists(m_url) || m_url.isEmpty() || !m_url.isValid()) {
0026             return;
0027         }
0028
0029         QFileInfo file(m_url.toLocalFile());
0030         m_fileName = file.fileName();
0031         Q_EMIT fileNameChanged();
0032
0033         m_extractor->setUrl(m_url);
0034         this->parse();
0035     });
0036
0037     if (FMH::fileExists(m_url) && !m_url.isEmpty() && m_url.isValid()) {
0038            m_extractor->setUrl(m_url);
0039     this->parse();
0040         }
0041 }
0042
0043 void PicInfoModel::setUrl(QUrl url)
0044 {
0045     if (m_url == url)
0046     {
0047         return;
0048     }
0049
0050     m_url = url;
0051     Q_EMIT urlChanged(m_url);
0052 }
0053
0054 bool PicInfoModel::removeTag(const QString& tag)
0055 {
0056     if(!m_extractor)
0057         return false;
0058
0059     if(m_extractor->removeTag(tag.toStdString().c_str()))
0060     {
0061         this->parse();
0062         return true;
0063     }
0064
0065     return false;
0066 }
0067
0068 bool PicInfoModel::editTag(const QString& tag, const QString& value)
0069 {
0070             qDebug() << "trying to write tag1";
0071
0072     if(m_extractor->writeTag(tag.toStdString().c_str(), QVariant::fromValue(value)))
0073     {
0074         qDebug() << "trying to write tag3";
0075         this->parse();
0076         return true;
0077     }
0078
0079     return false;
0080 }
0081
0082 double PicInfoModel::latitude() const
0083 {
0084     return m_latitude;
0085 }
0086
0087 double PicInfoModel::longitude() const
0088 {
0089     return m_longitude;
0090 }
0091
0092 QUrl PicInfoModel::url() const
0093 {
0094     return m_url;
0095 }
0096
0097 static FMH::MODEL_LIST basicInfo(const QUrl &url)
0098 {
0099     FMH::MODEL_LIST res;
0100     QFileInfo file(url.toLocalFile());
0101     QLocale locale;
0102     res << FMH::MODEL{{FMH::MODEL_KEY::NAME, "Name"}, {FMH::MODEL_KEY::VALUE, file.fileName()}, {FMH::MODEL_KEY::ICON, "edit-rename"}};
0103     res << FMH::MODEL{{FMH::MODEL_KEY::NAME, "Path"}, {FMH::MODEL_KEY::VALUE, url.toLocalFile()}, {FMH::MODEL_KEY::ICON, "folder"}};
0104     res << FMH::MODEL{{FMH::MODEL_KEY::NAME, "Size"}, {FMH::MODEL_KEY::VALUE, locale.formattedDataSize(file.size())}, {FMH::MODEL_KEY::ICON, "folder"}};
0105     res << FMH::MODEL{{FMH::MODEL_KEY::NAME, "Last Modified"}, {FMH::MODEL_KEY::VALUE, file.lastModified().toString()}, {FMH::MODEL_KEY::ICON, "view-media-recent"}};
0106     res << FMH::MODEL{{FMH::MODEL_KEY::NAME, "Date"}, {FMH::MODEL_KEY::VALUE, file.birthTime().toString()}, {FMH::MODEL_KEY::ICON, "view-calendar-birthday"}};
0107
0108
0109     return res;
0110 }
0111
0112 void PicInfoModel::parse()
0113 {
0114     qDebug() << "Setting image medatata model info";
0115      Q_EMIT preListChanged();
0116         m_data.clear();
0117         m_data << basicInfo(m_url);
0118
0119     if (!m_extractor->error())
0120     {
0121         auto gps = m_extractor->extractGPS();
0122         m_latitude = gps.first;
0123         m_longitude = gps.second;
0124
0125         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "Max Aperture"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Photo.MaxApertureValue")}, {FMH::MODEL_KEY::ICON, "documentinfo"}, {FMH::MODEL_KEY::KEY, "Exif.Photo.MaxApertureValue"}};
0126
0127         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "Aperture"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Image.ApertureValue")}, {FMH::MODEL_KEY::ICON, "documentinfo"}, {FMH::MODEL_KEY::KEY, "Exif.Image.ApertureValue"}};
0128
0129         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "BrightnessValue"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Image.BrightnessValue")}, {FMH::MODEL_KEY::ICON, "documentinfo"}, {FMH::MODEL_KEY::KEY, "Exif.Image.BrightnessValue"}};
0130
0131         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "Camera"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Image.Make")}, {FMH::MODEL_KEY::ICON, "camera-video"}, {FMH::MODEL_KEY::KEY, "Exif.Image.Make"}};
0132
0133         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "Camera Model"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Image.Model")}, {FMH::MODEL_KEY::ICON, "documentinfo"}, {FMH::MODEL_KEY::KEY, "Exif.Image.Model"}};
0134
0135         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "Focal Length"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Photo.FocalLength")}, {FMH::MODEL_KEY::ICON, "documentinfo"}, {FMH::MODEL_KEY::KEY, "Exif.Photo.FocalLength"}};
0136
0137         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "Exposure Time"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Photo.ExposureTime")}, {FMH::MODEL_KEY::ICON, "documentinfo"}, {FMH::MODEL_KEY::KEY, "Exif.Photo.ExposureTime"}};
0138
0139         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "Exposure Mode"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Photo.ExposureMode")}, {FMH::MODEL_KEY::ICON, "documentinfo"}, {FMH::MODEL_KEY::KEY, "Exif.Photo.ExposureMode"}};
0140
0141         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "Flash"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Photo.Flash")}, {FMH::MODEL_KEY::ICON, "documentinfo"}, {FMH::MODEL_KEY::KEY, "Exif.Photo.Flash"}};
0142
0143         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "ISO Speed"}, {FMH::MODEL_KEY::VALUE, m_extractor->getExifTagString("Exif.Photo.ISOSpeedRatings")}, {FMH::MODEL_KEY::ICON, "documentinfo"}, {FMH::MODEL_KEY::KEY, "Exif.Photo.ISOSpeedRatings"}};
0144
0145         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "Shutter Speed"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Photo.ShutterSpeedValue")}, {FMH::MODEL_KEY::ICON, "documentinfo"}, {FMH::MODEL_KEY::KEY, "Exif.Photo.ShutterSpeedValue"}};
0146
0147         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "Compression"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Thumbnail.Compression")}, {FMH::MODEL_KEY::ICON, "documentinfo"}, {FMH::MODEL_KEY::KEY, "Exif.Thumbnail.Compression"}};
0148
0149         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "Color Space"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Photo.ColorSpace")}, {FMH::MODEL_KEY::ICON, "documentinfo"}, {FMH::MODEL_KEY::KEY, "Exif.Photo.ColorSpace"}};
0150
0151         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "White Balance"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Photo.WhiteBalance")}, {FMH::MODEL_KEY::ICON, "documentinfo"}, {FMH::MODEL_KEY::KEY, "Exif.Photo.WhiteBalance"}};
0152
0153         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "Notes"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifComment()}, {FMH::MODEL_KEY::ICON, "note"}, {FMH::MODEL_KEY::KEY, "Exif.Photo.UserComment"}};
0154
0155         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "Author"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Image.Artist")}, {FMH::MODEL_KEY::ICON, "user"}, {FMH::MODEL_KEY::KEY, "Exif.Image.Artist"}};
0156
0157         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "GPS Latitude"}, {FMH::MODEL_KEY::VALUE, QString::number(m_latitude)}, {FMH::MODEL_KEY::ICON, "user"}, {FMH::MODEL_KEY::KEY, "Exif.GPSInfo.GPSLatitude"}};
0158
0159         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "GPS Longitude"}, {FMH::MODEL_KEY::VALUE,  QString::number(m_longitude)}, {FMH::MODEL_KEY::ICON, "user"}, {FMH::MODEL_KEY::KEY, "Exif.GPSInfo.GPSLongitude"}};
0160
0161         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "City"}, {FMH::MODEL_KEY::VALUE,  m_extractor->GPSString ()}, {FMH::MODEL_KEY::ICON, "user"}};
0162
0163         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "Processing Software"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Image.ProcessingSoftware")}, {FMH::MODEL_KEY::KEY, "Exif.Image.ProcessingSoftware"}};
0164
0165         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "DocumentName"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Image.DocumentName")}, {FMH::MODEL_KEY::KEY, "Exif.Image.DocumentName"}};
0166
0167         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "ImageDescription"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Image.ImageDescription")}, {FMH::MODEL_KEY::KEY, "Exif.Image.ImageDescription"}};
0168
0169         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "Software"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Image.Software")}, {FMH::MODEL_KEY::KEY, "Exif.Image.Software"}};
0170
0171         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "HostComputer"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Image.HostComputer")}, {FMH::MODEL_KEY::KEY, "Exif.Image.HostComputer"}};
0172
0173         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "Rating"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Image.Rating")}, {FMH::MODEL_KEY::KEY, "Exif.Image.Rating"}};
0174
0175         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "Copyright"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Image.Copyright")}, {FMH::MODEL_KEY::KEY, "Exif.Image.Copyright"}};
0176
0177         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "SelfTimerMode"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Image.SelfTimerMode")}, {FMH::MODEL_KEY::KEY, "Exif.Image.SelfTimerMode"}};
0178
0179         m_data << FMH::MODEL{{FMH::MODEL_KEY::NAME, "ImageHistory"}, {FMH::MODEL_KEY::VALUE,  m_extractor->getExifTagString("Exif.Image.ImageHistory")}, {FMH::MODEL_KEY::KEY, "Exif.Image.ImageHistory"}};
0180
0181
0182     }else
0183     {
0184         qDebug() << "error extracting image metadata";
0185     }
0186
0187     Q_EMIT postListChanged();
0188     Q_EMIT dataReady();
0189 }
0190
0191 const FMH::MODEL_LIST &PicInfoModel::items() const
0192 {
0193     return m_data;
0194 }
0195