From 2b7be70d39d89ca5bb8e92e41acabec0a4c40456 Mon Sep 17 00:00:00 2001
From: imaNNeoFighT <iman.neofight@gmail.com>
Date: Fri, 24 Nov 2023 21:58:56 +0100
Subject: [PATCH] Allow to show single point line in LineChart, #1438

---
 CHANGELOG.md                                     |  1 +
 example/ios/Podfile.lock                         | 10 ++++++++--
 example/macos/Podfile.lock                       |  2 +-
 lib/src/chart/line_chart/line_chart_painter.dart |  4 ++++
 4 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index c1d4a0fc9..702c16144 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@
 * **BUGFIX** (by @imaNNeo) Fix having negative `toY` (or positive `fromY`) in BarChart's `minY` and `maxY` calculations, #1470
 * **BUGFIX** (by @bobatsar) Fix bars drawn outside of diagram
 * **FEATURE** (by @k0psutin) Add dashed border to BarChartRodData, #1144
+* **FEATURE** (by @imaNNeo) Allow to show single point line in LineChart, #1438
 
 ## 0.64.0
 * **BUGFIX** (by @Anas35) Fix Tooltip not displaying when value from BackgroundBarChartRodData is less than zero. #1345.
diff --git a/example/ios/Podfile.lock b/example/ios/Podfile.lock
index b4b133aee..08e21c21c 100644
--- a/example/ios/Podfile.lock
+++ b/example/ios/Podfile.lock
@@ -1,5 +1,7 @@
 PODS:
   - Flutter (1.0.0)
+  - package_info_plus (0.4.5):
+    - Flutter
   - path_provider_foundation (0.0.1):
     - Flutter
     - FlutterMacOS
@@ -8,12 +10,15 @@ PODS:
 
 DEPENDENCIES:
   - Flutter (from `Flutter`)
+  - package_info_plus (from `.symlinks/plugins/package_info_plus/ios`)
   - path_provider_foundation (from `.symlinks/plugins/path_provider_foundation/darwin`)
   - url_launcher_ios (from `.symlinks/plugins/url_launcher_ios/ios`)
 
 EXTERNAL SOURCES:
   Flutter:
     :path: Flutter
+  package_info_plus:
+    :path: ".symlinks/plugins/package_info_plus/ios"
   path_provider_foundation:
     :path: ".symlinks/plugins/path_provider_foundation/darwin"
   url_launcher_ios:
@@ -21,9 +26,10 @@ EXTERNAL SOURCES:
 
 SPEC CHECKSUMS:
   Flutter: f04841e97a9d0b0a8025694d0796dd46242b2854
+  package_info_plus: 115f4ad11e0698c8c1c5d8a689390df880f47e85
   path_provider_foundation: 29f094ae23ebbca9d3d0cec13889cd9060c0e943
-  url_launcher_ios: 08a3dfac5fb39e8759aeb0abbd5d9480f30fc8b4
+  url_launcher_ios: bf5ce03e0e2088bad9cc378ea97fa0ed5b49673b
 
 PODFILE CHECKSUM: ef19549a9bc3046e7bb7d2fab4d021637c0c58a3
 
-COCOAPODS: 1.13.0
+COCOAPODS: 1.14.3
diff --git a/example/macos/Podfile.lock b/example/macos/Podfile.lock
index 36635bacc..42e492b50 100644
--- a/example/macos/Podfile.lock
+++ b/example/macos/Podfile.lock
@@ -32,4 +32,4 @@ SPEC CHECKSUMS:
 
 PODFILE CHECKSUM: 353c8bcc5d5b0994e508d035b5431cfe18c1dea7
 
-COCOAPODS: 1.13.0
+COCOAPODS: 1.14.3
diff --git a/lib/src/chart/line_chart/line_chart_painter.dart b/lib/src/chart/line_chart/line_chart_painter.dart
index 8623e56b4..75b4a60ec 100644
--- a/lib/src/chart/line_chart/line_chart_painter.dart
+++ b/lib/src/chart/line_chart/line_chart_painter.dart
@@ -489,6 +489,9 @@ class LineChartPainter extends AxisChartPainter<LineChartData> {
     final y = getPixelY(barSpots[0].y, viewSize, holder);
     if (appendToPath == null) {
       path.moveTo(x, y);
+      if (size == 1) {
+        path.lineTo(x, y);
+      }
     } else {
       path.lineTo(x, y);
     }
@@ -1299,6 +1302,7 @@ class LineIndexDrawingInfo {
     this.spotIndex,
     this.indicatorData,
   );
+
   final LineChartBarData line;
   final int lineIndex;
   final FlSpot spot;