commit 70665c873e0ba349a1530812be9b6216483e8318
author Gabriel Peal <gabriel@tonal.com> Wed Dec 23 22:44:45 2020 -0800
committer Gabriel Peal <gabriel@tonal.com> Wed Dec 23 22:45:23 2020 -0800
tree e5a263109160b10faaf033088ccd2ab7c4e57235
parent 937148baf9fff6ca593a3b3d3d382020dbcab8ba

Don't render masks or mattes of <1px

lottie/src/main/java/com/airbnb/lottie/model/layer/BaseLayer.java

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 9f12706..71acea8 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
@@ -256,7 +256,10 @@
 
     L.endSection("Layer#computeBounds");
 
-    if (!rect.isEmpty()) {
+    // Ensure that what we are drawing is >=1px of width and height.
+    // On older devices, drawing to an offscreen buffer of <1px would draw back as a black bar.
+    // https://github.com/airbnb/lottie-android/issues/1625
+    if (rect.width() >= 1f && rect.height() >= 1f) {
       L.beginSection("Layer#saveLayer");
       contentPaint.setAlpha(255);
       Utils.saveLayerCompat(canvas, rect, contentPaint);