fixed unwrap error

* Customisable drop shadow color

* Drop shadow color parameter in ChartStyle

* Fixed BarChartView

Sources/SwiftUICharts/BarChart/BarChartView.swift

@@ -50,7 +50,7 @@ public struct BarChartView : View {
             Rectangle()
                 .fill(self.colorScheme == .dark ? self.darkModeStyle.backgroundColor : self.style.backgroundColor)
                 .cornerRadius(20)
-                .shadow(color: Color.gray, radius: self.dropShadow ? 8 : 0)
+                .shadow(color: self.style.dropShadowColor, radius: self.dropShadow ? 8 : 0)
             VStack(alignment: .leading){
                 HStack{
                     if(!showValue){

Sources/SwiftUICharts/Helpers.swift

@@ -62,63 +62,72 @@ public struct Styles {
         accentColor: Colors.OrangeStart,
         secondGradientColor: Colors.OrangeEnd,
         textColor: Color.black,
-        legendTextColor: Color.gray)
+        legendTextColor: Color.gray,
+        dropShadowColor: Color.gray)
     
     public static let barChartStyleOrangeLight = ChartStyle(
         backgroundColor: Color.white,
         accentColor: Colors.OrangeStart,
         secondGradientColor: Colors.OrangeEnd,
         textColor: Color.black,
-        legendTextColor: Color.gray)
+        legendTextColor: Color.gray,
+        dropShadowColor: Color.gray)
     
     public static let barChartStyleOrangeDark = ChartStyle(
         backgroundColor: Color.black,
         accentColor: Colors.OrangeStart,
         secondGradientColor: Colors.OrangeEnd,
         textColor: Color.white,
-        legendTextColor: Color.gray)
+        legendTextColor: Color.gray,
+        dropShadowColor: Color.gray)
     
     public static let barChartStyleNeonBlueLight = ChartStyle(
         backgroundColor: Color.white,
         accentColor: Colors.GradientNeonBlue,
         secondGradientColor: Colors.GradientPurple,
         textColor: Color.black,
-        legendTextColor: Color.gray)
+        legendTextColor: Color.gray,
+        dropShadowColor: Color.gray)
     
     public static let barChartStyleNeonBlueDark = ChartStyle(
         backgroundColor: Color.black,
         accentColor: Colors.GradientNeonBlue,
         secondGradientColor: Colors.GradientPurple,
         textColor: Color.white,
-        legendTextColor: Color.gray)
+        legendTextColor: Color.gray,
+        dropShadowColor: Color.gray)
     
     public static let barChartMidnightGreenDark = ChartStyle(
         backgroundColor: Color(hexString: "#36534D"), //3B5147, 313D34
         accentColor: Color(hexString: "#FFD603"),
         secondGradientColor: Color(hexString: "#FFCA04"),
         textColor: Color.white,
-        legendTextColor: Color(hexString: "#D2E5E1"))
+        legendTextColor: Color(hexString: "#D2E5E1"),
+        dropShadowColor: Color.gray)
     
     public static let barChartMidnightGreenLight = ChartStyle(
         backgroundColor: Color.white,
         accentColor: Color(hexString: "#84A094"), //84A094 , 698378
         secondGradientColor: Color(hexString: "#50675D"),
         textColor: Color.black,
-        legendTextColor:Color.gray)
+        legendTextColor:Color.gray,
+        dropShadowColor: Color.gray)
     
     public static let pieChartStyleOne = ChartStyle(
         backgroundColor: Color.white,
         accentColor: Colors.OrangeEnd,
         secondGradientColor: Colors.OrangeStart,
         textColor: Color.black,
-        legendTextColor: Color.gray)
+        legendTextColor: Color.gray,
+        dropShadowColor: Color.gray)
     
     public static let lineViewDarkMode = ChartStyle(
         backgroundColor: Color.black,
         accentColor: Colors.OrangeStart,
         secondGradientColor: Colors.OrangeEnd,
         textColor: Color.white,
-        legendTextColor: Color.white)
+        legendTextColor: Color.white,
+        dropShadowColor: Color.gray)
 }
 
 public struct ChartForm {
@@ -143,22 +152,25 @@ public class ChartStyle {
     public var gradientColor: GradientColor
     public var textColor: Color
     public var legendTextColor: Color
+    public var dropShadowColor: Color
     public weak var darkModeStyle: ChartStyle?
     
-    public init(backgroundColor: Color, accentColor: Color, secondGradientColor: Color, textColor: Color, legendTextColor: Color){
+    public init(backgroundColor: Color, accentColor: Color, secondGradientColor: Color, textColor: Color, legendTextColor: Color, dropShadowColor: Color){
         self.backgroundColor = backgroundColor
         self.accentColor = accentColor
         self.gradientColor = GradientColor(start: accentColor, end: secondGradientColor)
         self.textColor = textColor
         self.legendTextColor = legendTextColor
+        self.dropShadowColor = dropShadowColor
     }
     
-    public init(backgroundColor: Color, accentColor: Color, gradientColor: GradientColor, textColor: Color, legendTextColor: Color){
+    public init(backgroundColor: Color, accentColor: Color, gradientColor: GradientColor, textColor: Color, legendTextColor: Color, dropShadowColor: Color){
         self.backgroundColor = backgroundColor
         self.accentColor = accentColor
         self.gradientColor = gradientColor
         self.textColor = textColor
         self.legendTextColor = legendTextColor
+        self.dropShadowColor = dropShadowColor
     }
     
     public init(formSize: CGSize){
@@ -167,6 +179,7 @@ public class ChartStyle {
         self.gradientColor = GradientColors.orange
         self.legendTextColor = Color.gray
         self.textColor = Color.black
+        self.dropShadowColor = Color.gray
     }
 }
 

Sources/SwiftUICharts/LineChart/LineChartView.swift

@@ -58,7 +58,7 @@ public struct LineChartView: View {
             RoundedRectangle(cornerRadius: 20)
                 .fill(self.colorScheme == .dark ? self.darkModeStyle.backgroundColor : self.style.backgroundColor)
                 .frame(width: frame.width, height: 240, alignment: .center)
-                .shadow(radius: self.dropShadow ? 8 : 0)
+                .shadow(color: self.style.dropShadowColor, radius: self.dropShadow ? 8 : 0)
             VStack(alignment: .leading){
                 if(!self.showIndicatorDot){
                     VStack(alignment: .leading, spacing: 8){

Sources/SwiftUICharts/PieChart/PieChartView.swift

@@ -16,7 +16,7 @@ public struct PieChartView : View {
     public var formSize:CGSize
     public var dropShadow: Bool
 
-    public init(data: [Double], title: String, legend: String? = nil, style: ChartStyle = Styles.pieChartStyleOne, form: CGSize? = ChartForm.medium, dropShadow: Bool? = true ){
+    public init(data: [Double], title: String, legend: String? = nil, style: ChartStyle = Styles.pieChartStyleOne, form: CGSize? = ChartForm.medium, dropShadow: Bool? = true){
         self.data = data
         self.title = title
         self.legend = legend
@@ -30,7 +30,7 @@ public struct PieChartView : View {
             Rectangle()
                 .fill(self.style.backgroundColor)
                 .cornerRadius(20)
-                .shadow(color: Color.gray, radius: self.dropShadow ? 12 : 0)
+                .shadow(color: self.style.dropShadowColor, radius: self.dropShadow ? 12 : 0)
             VStack(alignment: .leading){
                 HStack{
                     Text(self.title)