Change image size calculation

Use ImageMagick::Image::ping to determine the size of an image, but only
if the file size is < 400kb to prevent the impression of a deadlock.

1 files changed, 4 insertions, 6 deletions

diff --git a/helper.cpp b/helper.cpp
index ed1d31a..dd6bedf 100644
--- a/helper.cpp
+++ b/helper.cpp
@@ -308,12 +308,10 @@ namespace Helper {
     }
 
     QVariant picSize(const QString &path){
-        QImage img(path);
-        if(!img.isNull()){
-            QString retval = QString("%1x%2").arg(QString::number(img.width())).arg(QString::number(img.height()));
-            return retval;
-        }
-        return QVariant();
+        Magick::Image img;
+        img.ping(qPrintable(path));
+        QString retval = QString("%1x%2").arg(QString::number(img.columns())).arg(QString::number(img.rows()));
+        return retval;
     }
 
     PicData convertToPng(PicData data){