From cdacdb7d235707901ef75fe3ef8eed58cd11f338 Mon Sep 17 00:00:00 2001
From: FIRST_NAME LAST_NAME <iman.neofight@gmail.com>
Date: Thu, 18 Feb 2021 17:19:47 +0330
Subject: [PATCH] Migrate base_chart_painter, axis_chart_painter

---
 .../chart/base/axis_chart/axis_chart_painter.dart    | 12 ++++--------
 .../chart/base/base_chart/base_chart_painter.dart    |  2 +-
 2 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/lib/src/chart/base/axis_chart/axis_chart_painter.dart b/lib/src/chart/base/axis_chart/axis_chart_painter.dart
index 4106a3b22..1ce35667b 100644
--- a/lib/src/chart/base/axis_chart/axis_chart_painter.dart
+++ b/lib/src/chart/base/axis_chart/axis_chart_painter.dart
@@ -17,12 +17,12 @@ import 'axis_chart_data.dart';
 /// [data] is the currently showing data (it may produced by an animation using lerp function),
 /// [targetData] is the target data, that animation is going to show (if animating)
 abstract class AxisChartPainter<D extends AxisChartData> extends BaseChartPainter<D> {
-  Paint _gridPaint, _backgroundPaint;
+  late Paint _gridPaint, _backgroundPaint;
 
   /// [_rangeAnnotationPaint] draws range annotations;
-  Paint _rangeAnnotationPaint;
+  late Paint _rangeAnnotationPaint;
 
-  AxisChartPainter(D data, D targetData, {double textScale})
+  AxisChartPainter(D data, D targetData, {required double textScale})
       : super(data, targetData, textScale: textScale) {
     _gridPaint = Paint()..style = PaintingStyle.stroke;
 
@@ -200,7 +200,7 @@ abstract class AxisChartPainter<D extends AxisChartData> extends BaseChartPainte
   }
 
   void _drawGrid(CanvasWrapper canvasWrapper) {
-    if (!data.gridData.show || data.gridData == null) {
+    if (!data.gridData.show) {
       return;
     }
     final viewSize = canvasWrapper.size;
@@ -291,10 +291,6 @@ abstract class AxisChartPainter<D extends AxisChartData> extends BaseChartPainte
   }
 
   void _drawRangeAnnotation(CanvasWrapper canvasWrapper) {
-    if (data.rangeAnnotations == null) {
-      return;
-    }
-
     final viewSize = canvasWrapper.size;
     final chartUsableSize = getChartUsableDrawSize(viewSize);
 
diff --git a/lib/src/chart/base/base_chart/base_chart_painter.dart b/lib/src/chart/base/base_chart/base_chart_painter.dart
index 58e3a6bc6..620936934 100644
--- a/lib/src/chart/base/base_chart/base_chart_painter.dart
+++ b/lib/src/chart/base/base_chart/base_chart_painter.dart
@@ -10,7 +10,7 @@ import 'touch_input.dart';
 abstract class BaseChartPainter<D extends BaseChartData> extends CustomPainter {
   final D data;
   final D targetData;
-  Paint _borderPaint;
+  late Paint _borderPaint;
   double textScale;
 
   /// Draws some basic things line border