From 55d48519c9132c6d213f2e733bcd806e3b1f05fb Mon Sep 17 00:00:00 2001
From: Arno <arno@disconnect.de>
Date: Sun, 11 Oct 2015 08:16:28 +0200
Subject: 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.
---
 delegates.cpp    |  2 +-
 helper.cpp       | 10 ++++------
 smdirwatcher.cpp |  8 ++++++--
 3 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/delegates.cpp b/delegates.cpp
index 927726c..db4b6b1 100644
--- a/delegates.cpp
+++ b/delegates.cpp
@@ -81,7 +81,7 @@ QString SizeDelegate::displayText(const QVariant &value, const QLocale &locale)
 
 QString DurationDelegate::displayText(const QVariant &value, const QLocale &locale) const{
     Q_UNUSED(locale);
-    if(value.toString().contains("x")){
+    if(value.toString().contains("x") || value.toString() == "skipped"){
         return value.toString();
     }
     int secs = value.toFloat();
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){
diff --git a/smdirwatcher.cpp b/smdirwatcher.cpp
index 79bce7c..2bcaff3 100644
--- a/smdirwatcher.cpp
+++ b/smdirwatcher.cpp
@@ -75,8 +75,12 @@ QList<QVariant> SmDirWatcher::generalData(const QString &path){
             QVariantMap m = Helper::ffmpegData(fi.absoluteFilePath());
             data << m.value("duration") << m.value("bit_rate");
         }else if(mime.startsWith("image")){
-            QVariant picSize = Helper::picSize(fi.absoluteFilePath());
-            data << picSize << QVariant();
+            if(fi.size() > 1024*400){ //skip images bigger than 300 kb
+                data << "skipped" << QVariant();
+            }else{
+                QVariant picSize = Helper::picSize(fi.absoluteFilePath());
+                data << picSize << QVariant();
+            }
         }else{
             data << QVariant() << QVariant();
         }
-- 
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