improve image formats check

iterate over important formats, and add a message box

1 files changed, 9 insertions, 4 deletions

diff --git a/src/main.cpp b/src/main.cpp
index bad49ad1..65e58490 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -45,14 +45,19 @@ int main(int argc, char *argv[])
     fontDatabase.addApplicationFont(it.next());
   }
 
-  if (!QImageReader::supportedImageFormats().contains("apng"))
+  QStringList missing_formats{"webp", "apng", "gif"};
+  for (const QByteArray &i_format : QImageReader::supportedImageFormats())
   {
-    qCritical() << "QApng plugin could not be loaded. Errors may occur when loading .apng files.";
+    missing_formats.removeAll(i_format.toLower());
   }
 
-  if (!QImageReader::supportedImageFormats().contains("webp"))
+  if (!missing_formats.empty())
   {
-    qCritical() << "QWebP plugin could not be loaded. Errors may occur when loading .webp files.";
+    call_error(QString("Missing the following image formats: %1."
+                       "<br/>Please make sure the client is installed correctly."
+                       "<br/>If you are on Linux, you may need to install your distribution's image formats package, "
+                       "as detailed in the project's <a href='https://github.com/AttorneyOnline/AO2-Client'>README<a>.")
+                   .arg(missing_formats.join(", ")));
   }
 
   QString p_language = Options::getInstance().language();