padding fix

Author: Shunt22

example/lib/presentation/samples/line/line_chart_sample8.dart

@@ -125,18 +125,23 @@ class _LineChartSample8State extends State<LineChartSample8> {
             color: AppColors.contentColorBlue.withValues(alpha: 0.2),
           ),
           VerticalRangeAnnotation(
-            x1: 8,
-            x2: 9,
-            color: AppColors.contentColorBlue.withValues(alpha: 0.2),
-            text: "This is a text",
-          ),
+              x1: 8,
+              x2: 9,
+              color: AppColors.contentColorBlue.withValues(alpha: 0.2),
+              text: "This is a text",
+              verticalPadding: -10,
+              style: const TextStyle(
+                color: Colors.amber,
+                fontSize: 18,
+              )),
         ],
         horizontalRangeAnnotations: [
           HorizontalRangeAnnotation(
             y1: 2,
             y2: 3,
             color: AppColors.contentColorGreen.withValues(alpha: 0.3),
             text: "This is a text",
+            horizontalPadding: -30,
           ),
         ],
       ),

lib/src/chart/base/axis_chart/axis_chart_painter.dart

@@ -195,11 +195,10 @@ abstract class AxisChartPainter<D extends AxisChartData>
 
         drawAnnotationText(
           canvasWrapper,
-          offset: rect.centerLeft,
+          offset: rect.centerLeft -
+              Offset(annotation.horizontalPadding, annotation.verticalPadding),
           text: annotation.text,
           style: annotation.style,
-          verticalPadding: annotation.verticalPadding,
-          horizontalPadding: annotation.horizontalPadding,
           rotation: annotation.rotation ?? -90,
         );
       }
@@ -226,11 +225,10 @@ abstract class AxisChartPainter<D extends AxisChartData>
 
         drawAnnotationText(
           canvasWrapper,
-          offset: rect.centerLeft,
+          offset: rect.centerLeft -
+              Offset(annotation.horizontalPadding, annotation.verticalPadding),
           text: annotation.text,
           style: annotation.style,
-          verticalPadding: annotation.verticalPadding,
-          horizontalPadding: annotation.horizontalPadding,
           rotation: annotation.rotation ?? 0,
         );
       }
@@ -242,8 +240,6 @@ abstract class AxisChartPainter<D extends AxisChartData>
     String? text,
     required Offset offset,
     TextStyle? style,
-    double verticalPadding = 0,
-    double horizontalPadding = 0,
     double rotation = 0,
   }) {
     if (text == null) {