2 files changed, 9 insertions, 0 deletions
diff --git a/src/resources/imageset.cpp b/src/resources/imageset.cpp
index e3ce9e7d1..2bf4641c6 100644
--- a/src/resources/imageset.cpp
+++ b/src/resources/imageset.cpp
@@ -75,3 +75,10 @@ Image* ImageSet::get(const size_type i) const
         return mImages[i];
     }
 }
+
+int ImageSet::calcMemoryLocal()
+{
+    return sizeof(ImageSet) +
+        Resource::calcMemoryLocal() +
+        mImages.capacity() * sizeof(Image);
+}
diff --git a/src/resources/imageset.h b/src/resources/imageset.h
index db924aecd..37b6771b4 100644
--- a/src/resources/imageset.h
+++ b/src/resources/imageset.h
@@ -84,6 +84,8 @@ class ImageSet notfinal : public Resource
         const std::vector<Image*> &getImages() const
         { return mImages; }
 
+        int calcMemoryLocal() override;
+
     private:
         std::vector<Image*> mImages;