From 4a9f46033d56910f87d87fb96799699563d407db Mon Sep 17 00:00:00 2001
From: wjiuxing <wangjiuxing2010@hotmail.com>
Date: Thu, 19 Oct 2023 13:14:10 +0800
Subject: [PATCH] bugfix: #984 UIGraphicsBeginImageContext() failed to allocate
 CGBitampContext: size={382, 0}. Use UIGraphicsImageRenderer to avoid this
 assert.

---
 YYText/Utility/YYTextAsyncLayer.m | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/YYText/Utility/YYTextAsyncLayer.m b/YYText/Utility/YYTextAsyncLayer.m
index 9f09700a..1d4bed52 100644
--- a/YYText/Utility/YYTextAsyncLayer.m
+++ b/YYText/Utility/YYTextAsyncLayer.m
@@ -117,6 +117,13 @@ - (void)display {
 #pragma mark - Private
 
 - (void)_displayAsync:(BOOL)async {
+    // refer: https://github.com/ibireme/YYText/issues/984
+    if (self.bounds.size.width <= 0
+        || self.bounds.size.height <= 0) {
+        self.contents = nil;
+        return;
+    }
+    
     __strong id<YYTextAsyncLayerDelegate> delegate = (id)self.delegate;
     YYTextAsyncLayerDisplayTask *task = [delegate newAsyncDisplayTask];
     if (!task.display) {