Chart im Export

2025-11-16 23:05:40 +01:00
parent 1f981376f6
commit 5c4acdb716
1 changed files with 5 additions and 0 deletions
@@ -716,6 +716,11 @@ class _IgelDetailState extends ConsumerState<IgelDetailScreen> {
      if (ctx == null) return null;
      final boundary = ctx.findRenderObject() as RenderRepaintBoundary?;
      if (boundary == null) return null;
+      // Ensure the chart has been painted before capturing, otherwise toImage can return empty.
+      if (boundary.debugNeedsPaint) {
+        await Future.delayed(Duration.zero);
+        await WidgetsBinding.instance.endOfFrame;
+      }
      final ui.Image img = await boundary.toImage(pixelRatio: 3);
      final byteData = await img.toByteData(format: ui.ImageByteFormat.png);
      return byteData?.buffer.asUint8List();