Added EXIF data in file info via exiv2

.github/workflows/build.yml

@@ -64,6 +64,19 @@ jobs:
 
       - uses: actions/checkout@v4
 
+      - name: Install dependencies
+        shell: pwsh
+        run: |
+          if ($IsWindows) {
+            choco install exiv2 -y
+          } elseif ($IsMacOS) {
+            brew update
+            brew install exiv2
+          } else {
+            sudo apt update
+            sudo apt install -y libexiv2-dev
+          }
+
       - name: Install Qt
         uses: jurplel/install-qt-action@v4
         with:

src/qvinfodialog.cpp

@@ -3,6 +3,8 @@
 #include <QDateTime>
 #include <QMimeDatabase>
 #include <QTimer>
+#include <exiv2/exiv2.hpp>
+#include <QString>
 
 static int getGcd (int a, int b) {
     return (b == 0) ? a : getGcd(b, a%b);
@@ -47,6 +49,55 @@ void QVInfoDialog::setInfo(const QFileInfo &value, const int &value2, const int
         updateInfo();
 }
 
+QString readExifData(const QString &imagePath) {
+    try {
+        auto image = Exiv2::ImageFactory::open(imagePath.toStdString());
+        if (!image.get()) return "Error opening image.";
+
+        image->readMetadata();
+        Exiv2::ExifData &exifData = image->exifData();
+        if (exifData.empty()) return "No EXIF data found.";
+
+        QString exifOutput;
+
+        auto getStr = [&](const char* key) -> QString {
+            auto it = exifData.findKey(Exiv2::ExifKey(key));
+            return (it != exifData.end()) ? QString::fromStdString(it->toString()) : "N/A";
+        };
+
+        auto getRationalAsFloat = [&](const char* key, int precision = 2) -> QString {
+            auto it = exifData.findKey(Exiv2::ExifKey(key));
+            if (it != exifData.end()) {
+                Exiv2::Rational r = it->toRational();
+                if (r.second != 0) {
+                    double value = static_cast<double>(r.first) / r.second;
+                    return QString::number(value, 'f', precision);
+                }
+            }
+            return "N/A";
+        };
+
+        exifOutput += "Camera Make: " + getStr("Exif.Image.Make") + "\n";
+        exifOutput += "Camera Model: " + getStr("Exif.Image.Model") + "\n";
+        exifOutput += "Software: " + getStr("Exif.Image.Software") + "\n";
+        exifOutput += "DateTime: " + getStr("Exif.Image.DateTime") + "\n";
+        exifOutput += "Exposure Time: " + getStr("Exif.Photo.ExposureTime") + "s\n";
+        exifOutput += "Aperture: F" + getRationalAsFloat("Exif.Photo.FNumber") + "\n";
+        exifOutput += "ISO Speed: " + getStr("Exif.Photo.ISOSpeedRatings") + "\n";
+        exifOutput += "DateTime Original: " + getStr("Exif.Photo.DateTimeOriginal") + "\n";
+        exifOutput += "DateTime Digitized: " + getStr("Exif.Photo.DateTimeDigitized") + "\n";
+        exifOutput += "Metering Mode: " + getStr("Exif.Photo.MeteringMode") + "\n";
+        exifOutput += "Light Source: " + getStr("Exif.Photo.LightSource") + "\n";
+        exifOutput += "Flash: " + getStr("Exif.Photo.Flash") + "\n";
+        exifOutput += "Focal Length: " + getRationalAsFloat("Exif.Photo.FocalLength") + " mm\n";
+        exifOutput += "GPS Latitude: " + getStr("Exif.GPSInfo.GPSLatitude") + "\n";
+        exifOutput += "GPS Longitude: " + getStr("Exif.GPSInfo.GPSLongitude") + "\n";
+        return exifOutput;
+    } catch (const Exiv2::Error &e) {
+        return QString("EXIF Error: ") + e.what();
+    }
+}
+
 void QVInfoDialog::updateInfo()
 {
     QLocale locale = QLocale::system();
@@ -55,12 +106,16 @@ void QVInfoDialog::updateInfo()
     //this is just math to figure the megapixels and then round it to the tenths place
     const double megapixels = static_cast<double>(qRound(((static_cast<double>((width*height))))/1000000 * 10 + 0.5)) / 10 ;
 
+    QString exifData = readExifData(selectedFileInfo.absoluteFilePath());
+
     ui->nameLabel->setText(selectedFileInfo.fileName());
     ui->typeLabel->setText(mime.name());
     ui->locationLabel->setText(selectedFileInfo.path());
     ui->sizeLabel->setText(tr("%1 (%2 bytes)").arg(formatBytes(selectedFileInfo.size()), locale.toString(selectedFileInfo.size())));
     ui->modifiedLabel->setText(selectedFileInfo.lastModified().toString(locale.dateTimeFormat()));
     ui->dimensionsLabel->setText(tr("%1 x %2 (%3 MP)").arg(QString::number(width), QString::number(height), QString::number(megapixels)));
+    ui->miscLabel->setText(exifData);
+
     int gcd = getGcd(width,height);
     if (gcd != 0)
         ui->ratioLabel->setText(QString::number(width/gcd) + ":" + QString::number(height/gcd));