Add best fit on image load

imagewidget.cpp

@@ -15,6 +15,7 @@
 int FILTERING = 1;
 bool OpenGLES = false;
 const int LUT_SIZE = 32;
+bool BESTFIT = false;
 
 struct RawImageType
 {
@@ -87,6 +88,7 @@ ImageWidgetGL::ImageWidgetGL(Database *database, QWidget *parent) : QOpenGLWidge
     });
 
     setMouseTracking(true);
+    m_bestFit = BESTFIT;
 }
 
 ImageWidgetGL::~ImageWidgetGL()

mainwindow.cpp

@@ -560,6 +560,8 @@ void MainWindow::loadFile(const QString &path)
             _lastDir = info.canonicalPath();
         QSettings settings;
         settings.setValue("mainwindow/lastdir", _lastDir);
+        if(settings.value("settings/bestfit", false).toBool())
+            m_image->bestFit();
     }
 }
 

settingsdialog.cpp

@@ -9,6 +9,7 @@
 extern int DEFAULT_WIDTH;
 extern double SATURATION;
 extern int FILTERING;
+extern bool BESTFIT;
 
 class EvenNumber : public QSpinBox
 {
@@ -75,6 +76,10 @@ SettingsDialog::SettingsDialog(QWidget *parent) : QDialog(parent)
     m_qualityThumbnail->setChecked(QUALITY_RESIZE);
     m_qualityThumbnail->setToolTip(tr("Use box filter when downsampling thumbnails instead of nearest. Slightly slower."));
 
+    m_bestFit = new QCheckBox(tr("Best Fit on image load"));
+    m_bestFit->setToolTip(tr("Set Best Fit zoom level when opening new image."));
+    m_bestFit->setChecked(BESTFIT);
+
     layout->addRow(tr("Image preload count"), m_preloadImages);
     layout->addRow(tr("Thumbnails size"), m_thumSize);
     layout->addRow(tr("Saturation"), m_saturation);
@@ -82,6 +87,7 @@ SettingsDialog::SettingsDialog(QWidget *parent) : QDialog(parent)
     layout->addRow(tr("Image interpolation"), m_filtering);
     layout->addRow(m_qualityThumbnail);
     layout->addRow(m_useNativeDialog);
+    layout->addRow(m_bestFit);
     //layout->addRow(new QLabel(tr("Changes in settings will take effect after program restart.")));
 
     QDialogButtonBox *buttonBox = new QDialogButtonBox(this);
@@ -103,6 +109,7 @@ void SettingsDialog::loadSettings()
     SATURATION = settings.value("settings/saturation", 95.0).toDouble() / 100.0;
     FILTERING = settings.value("settings/filtering", FILTERING).toInt();
     QUALITY_RESIZE = settings.value("settings/qualitythumbnail", QUALITY_RESIZE).toBool();
+    BESTFIT = settings.value("settings/bestfit", BESTFIT).toBool();
     QApplication::setAttribute(Qt::AA_DontUseNativeDialogs, settings.value("settings/dontusenativedialogs", false).toBool());
 }
 
@@ -127,7 +134,9 @@ void SettingsDialog::saveSettings()
     settings.setValue("settings/qualitythumbnail", m_qualityThumbnail->isChecked());
     QUALITY_RESIZE = m_qualityThumbnail->isChecked();
     FILTERING = m_filtering->currentIndex();
+    BESTFIT = m_bestFit->isChecked();
     settings.setValue("settings/filtering", FILTERING);
+    settings.setValue("settings/bestfit", BESTFIT);
     SATURATION = m_saturation->value() / 100.0;
     QApplication::setAttribute(Qt::AA_DontUseNativeDialogs, m_useNativeDialog->isChecked());
     if(DEFAULT_WIDTH != m_preloadImages->value())

settingsdialog.h

@@ -25,6 +25,7 @@ private:
     QCheckBox *m_useNativeDialog;
     QCheckBox *m_qualityThumbnail;
     QComboBox *m_filtering;
+    QCheckBox *m_bestFit;
 };
 
 #endif // SETTINGSDIALOG_H