Clip masks and mattes to the canvas (#1246)
This fixes #1199 and improves performance by never saving a layer outside of the canvas. Thanks to @pmecho for the repro steps!
diff --git a/lottie/src/main/java/com/airbnb/lottie/model/layer/BaseLayer.java b/lottie/src/main/java/com/airbnb/lottie/model/layer/BaseLayer.java
index e828ff6..3386fa8 100644
--- a/lottie/src/main/java/com/airbnb/lottie/model/layer/BaseLayer.java
+++ b/lottie/src/main/java/com/airbnb/lottie/model/layer/BaseLayer.java
@@ -251,6 +251,10 @@
matrix.preConcat(transform.getMatrix());
intersectBoundsWithMask(rect, matrix);
+ if (!rect.intersect(0, 0, canvas.getWidth(), canvas.getHeight())) {
+ rect.set(0, 0, 0, 0);
+ }
+
L.endSection("Layer#computeBounds");
if (!rect.isEmpty()) {
