rlottie: Fix issue with intersect mask

When do an Intersect mask, it need to initialize rle like a Subtract.

Change-Id: I931835b8845ffa23d2032cbd70026ddee5cb7882

diff --git a/src/lottie/lottieitem.cpp b/src/lottie/lottieitem.cpp
index dc99df6..7de1198 100644 (file)
--- a/src/lottie/lottieitem.cpp
+++ b/src/lottie/lottieitem.cpp
@@ -342,6 +342,8 @@ VRle LOTLayerMaskItem::maskRle(const VRect &clipRect)
             break;
         }
         case LOTMaskData::Mode::Intersect: {
+            if (rle.empty() && !clipRect.empty())
+                rle = VRle::toRle(clipRect);
             rle = rle & i.rle();
             break;
         }