common paint: changed result in composite API

A possible error is due to erroneous arguments, so
InvalidArgument is return instead of InsufficientCondition

diff --git a/src/lib/tvgPaint.cpp b/src/lib/tvgPaint.cpp
index 9b0aba770d3327a13b379a4f69c044218eafc443..b40b5290fa562a0440a296d182fc807f3d40dea3 100644 (file)
--- a/src/lib/tvgPaint.cpp
+++ b/src/lib/tvgPaint.cpp
@@ -298,7 +298,7 @@ Paint* Paint::duplicate() const noexcept
 Result Paint::composite(std::unique_ptr<Paint> target, CompositeMethod method) const noexcept
 {
     if (pImpl->composite(target.release(), method)) return Result::Success;
-    return Result::InsufficientCondition;
+    return Result::InvalidArguments;
 }
 
 
@@ -316,4 +316,4 @@ Result Paint::opacity(uint8_t o) noexcept
 uint8_t Paint::opacity() const noexcept
 {
     return pImpl->opacity;
-}
\ No newline at end of file
+}