1 files changed, 7 insertions, 0 deletions
diff --git a/src/pixels.cpp b/src/pixels.cpp
index b314e6a..5aac4a6 100644
--- a/src/pixels.cpp
+++ b/src/pixels.cpp
@@ -93,3 +93,10 @@ bool Pixels::save(const QString& filename)
 
     return true;
 }
+
+Pixels::operator bool() const
+{
+    return std::find_if(pixels.cbegin(), pixels.cend(), [](const auto& p) {
+               return !qFuzzyIsNull(p) && !std::isnan(p);
+           }) != pixels.cend();
+}