enhancements on pie chart

packages/edited_pie_chart/lib/src/chart_painter.dart

@@ -87,11 +87,11 @@ class PieChartPainter extends CustomPainter {
 
         if (showChartValues) {
           final name = "${_subTitles[i]}  " + (showValuesInPercentage ? (((_subParts.elementAt(i) / _total) * 100).toStringAsFixed(this.decimalPlaces) + '%') : value);
-          var yLabel = y > 0 ? y + 40 : y - 20;
-          var xLabel = (y > 0 ? x - y : x * 1.6) - 20;
-          var yPopup = y;
+          var yLabel = y > size.width ? y + 40 : y + 10;
+          var xLabel = (y > size.width ? x - y : x * 1.6) - 15;
+          var yPopup = y - 8;
           if (_subParts[i] <= (_total / _subParts.length)) {
-            yLabel = y;
+            yLabel = y + 8;
             xLabel *= 1.1;
             yPopup *= 1.25;
           }