From 0583b07cb908fe9c30e41c33e685680cb6bf71eb Mon Sep 17 00:00:00 2001
From: Vadim <44135514+vodemn@users.noreply.github.com>
Date: Thu, 4 May 2023 12:49:26 +0200
Subject: [PATCH] ML-53 Unsupported operation: Infinity or NaN toInt (#54)

added `isNan` & `isInfinite` checks
---
 lib/screens/metering/bloc_metering.dart                    | 4 ++++
 .../components/measure_button/widget_button_measure.dart   | 7 +++++++
 2 files changed, 11 insertions(+)

diff --git a/lib/screens/metering/bloc_metering.dart b/lib/screens/metering/bloc_metering.dart
index 3f78928f..5b0d5843 100644
--- a/lib/screens/metering/bloc_metering.dart
+++ b/lib/screens/metering/bloc_metering.dart
@@ -166,6 +166,10 @@ class MeteringBloc extends Bloc<MeteringEvent, MeteringState> {
   }
 
   List<ExposurePair> _buildExposureValues(double ev) {
+    if (ev.isNaN || ev.isInfinite) {
+      return List.empty(growable: false);
+    }
+
     /// Depending on the `stopType` the exposure pairs list length is multiplied by 1,2 or 3
     final int evSteps = (ev * (stopType.index + 1)).round();
 
diff --git a/lib/screens/metering/components/bottom_controls/components/measure_button/widget_button_measure.dart b/lib/screens/metering/components/bottom_controls/components/measure_button/widget_button_measure.dart
index a29997ab..352990a1 100644
--- a/lib/screens/metering/components/bottom_controls/components/measure_button/widget_button_measure.dart
+++ b/lib/screens/metering/components/bottom_controls/components/measure_button/widget_button_measure.dart
@@ -92,6 +92,13 @@ class _EvValueText extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    if (ev.isNaN || ev.isInfinite) {
+      return Icon(
+        Icons.error,
+        color: Theme.of(context).colorScheme.surface,
+      );
+    }
+
     final theme = Theme.of(context);
     return Text(
       '${ev.toStringAsFixed(1)}\n${S.of(context).ev}',