Fixed|libgui: Recognizing TGA image data

Zero-area images are invalid.
skyjake · Jan 22, 2020 · 6c9ff26 · 6c9ff26
1 parent e1e8d5b
commit 6c9ff26
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/doomsday/sdk/libgui/src/graphics/image.cpp b/doomsday/sdk/libgui/src/graphics/image.cpp
@@ -239,6 +239,10 @@ static bool recognize(Block const &data)
     {
         Header header;
         Reader(data) >> header;
+        if (header.size.x == 0 || header.size.y == 0)
+        {
+            return false;
+        }
         if (header.imageType == Header::ColorMapped && header.colorMapType == Header::ColorMap256 &&
             header.depth == 8)
         {