Add saving to FITS and XISF

mainwindow.cpp

@@ -14,6 +14,8 @@
 #include <unistd.h>
 #include <QSettings>
 #include <QCoreApplication>
+#include <QThreadPool>
+#include "loadrunable.h"
 
 #ifdef __linux__
 #include <sys/ioctl.h>
@@ -298,15 +300,38 @@ void MainWindow::indexDir()
 
 void MainWindow::saveAs()
 {
-    QString file = QFileDialog::getSaveFileName(this, tr("Save as"), _lastDir, tr("Images (*.jpg *.png *.JPG *.PNG)"));
+    QString selectedFilter;
+    QString file = QFileDialog::getSaveFileName(this, tr("Save as"), _lastDir, tr("JPEG (*.jpg *.JPG);; PNG (*.png *.PNG);;FITS (*.fits *.FITS);;XISF (*.xisf *.XISF)"), &selectedFilter);
     if(!file.isEmpty())
     {
-        QImage img = m_imageGL->imageWidget()->renderToImage();
-        if(!img.isNull())
-            img.save(file);
+        QFileInfo info(file);
+        if(info.suffix().isEmpty())
+        {
+            if(selectedFilter.contains("jpg"))file += ".jpg";
+            if(selectedFilter.contains("png"))file += ".png";
+            if(selectedFilter.contains("fits"))file += ".fits";
+            if(selectedFilter.contains("xisf"))file += ".xisf";
+        }
+
+        if(file.endsWith(".fits") || file.endsWith(".xisf"))
+        {
+            convert(file);
+        }
+        else
+        {
+            QImage img = m_imageGL->imageWidget()->renderToImage();
+            if(!img.isNull())
+                img.save(file);
+        }
     }
 }
 
+void MainWindow::convert(const QString &outfile)
+{
+    QString file = m_ringList->currentImage()->name();
+    QThreadPool::globalInstance()->start(new ConvertRunable(file, outfile));
+}
+
 void MainWindow::markImage()
 {
     ImagePtr ptr = m_ringList->currentImage();