From 0e0de210e67262f98a67a6a90ff95243e8679f7d Mon Sep 17 00:00:00 2001
From: Sudhar08 <99385366+sudhar08@users.noreply.github.com>
Date: Sun, 19 May 2024 21:23:40 +0530
Subject: [PATCH] add gradient color in Radarchart

This issue proposes enhancing the RadarChart functionality by adding support for ability customization and color filling options. The goal is to provide users with more control over the appearance and functionality of their RadarCharts, enabling better data visualization and improved user experience.
---
 lib/src/chart/radar_chart/radar_chart_data.dart | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/lib/src/chart/radar_chart/radar_chart_data.dart b/lib/src/chart/radar_chart/radar_chart_data.dart
index 02664dd7b..7f3683ff2 100644
--- a/lib/src/chart/radar_chart/radar_chart_data.dart
+++ b/lib/src/chart/radar_chart/radar_chart_data.dart
@@ -284,6 +284,7 @@ class RadarDataSet with EquatableMixin {
     Color? borderColor,
     double? borderWidth,
     double? entryRadius,
+    Gradient? gradientcolor,
   })  : assert(
           dataEntries == null || dataEntries.isEmpty || dataEntries.length >= 3,
           'Radar needs at least 3 RadarEntry',
@@ -292,7 +293,9 @@ class RadarDataSet with EquatableMixin {
         fillColor = fillColor ?? Colors.cyan.withOpacity(0.2),
         borderColor = borderColor ?? Colors.cyan,
         borderWidth = borderWidth ?? 2.0,
-        entryRadius = entryRadius ?? 5.0;
+        entryRadius = entryRadius ?? 5.0,
+        gradientcolor = gradientcolor ??
+            LinearGradient(colors: [Colors.transparent, Colors.transparent]);
 
   /// each section or dataSets consists of a set of [dataEntries].
   final List<RadarEntry> dataEntries;
@@ -312,6 +315,10 @@ class RadarDataSet with EquatableMixin {
   /// the default value of this field is 5.0
   final double entryRadius;
 
+  /// defines the lineargardient
+  /// the default value of this field is transparent
+  final Gradient gradientcolor;
+
   /// Copies current [RadarDataSet] to a new [RadarDataSet],
   /// and replaces provided values.
   RadarDataSet copyWith({
@@ -320,6 +327,7 @@ class RadarDataSet with EquatableMixin {
     Color? borderColor,
     double? borderWidth,
     double? entryRadius,
+    Gradient? gradientcolor,
   }) =>
       RadarDataSet(
         dataEntries: dataEntries ?? this.dataEntries,
@@ -327,6 +335,7 @@ class RadarDataSet with EquatableMixin {
         borderColor: borderColor ?? this.borderColor,
         borderWidth: borderWidth ?? this.borderWidth,
         entryRadius: entryRadius ?? this.entryRadius,
+        gradientcolor: gradientcolor ?? this.gradientcolor,
       );
 
   /// Lerps a [RadarDataSet] based on [t] value, check [Tween.lerp].
@@ -348,6 +357,7 @@ class RadarDataSet with EquatableMixin {
         borderColor,
         borderWidth,
         entryRadius,
+        gradientcolor
       ];
 }