fix: 渲染添加限制

open-mmlab · Oct 19, 2021 · 6945607 · 6945607
1 parent 706dd3d
commit 6945607
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/packages/lb-annotation/src/utils/tool/DrawUtils.ts b/packages/lb-annotation/src/utils/tool/DrawUtils.ts
@@ -312,6 +312,10 @@ export default class DrawUtils {
       lineType: ELineTypes;
     }> = {},
   ): void {
+    if (pointList.length < 2) {
+      return;
+    }
+
     const ctx: CanvasRenderingContext2D = canvas.getContext('2d')!;
     const { color = DEFAULT_COLOR, lineType = ELineTypes.Line } = options;