minor fixes

Author: sulincix

src/tools/background.cpp

@@ -57,7 +57,7 @@ void setupBackground(){
     });
 
     penButtons[CUSTOM] = create_button(CUSTOM, [=](){
-        QString filter = QString(_("Images")) + QString("(*.png *.xpm *.jpg *.jpeg *.bmp *.gif *.svg)");
+        QString filter = QString(_("Images")) + QString("(*.png *.xpm *.jpg *.jpeg *.bmp *.gif *.svg);;");
         filter += _("All Files (*.*)");
         setHideMainWindow(true);
         floatingWidget->hide();

src/widgets/DrawingWidget.cpp

@@ -240,6 +240,7 @@ class PageStorage {
                 values[page].image_count = 0;
                 values[page].last_image_num = 1;
             }
+            image.setDevicePixelRatio(mainWidget->devicePixelRatio());
             values[page].saveValue(frame+1, image);
             values[page].image_count++;
             values[page].last_image_num = values[page].image_count;