RepaintBoundary added

.gitignore

@@ -39,3 +39,4 @@ app.*.symbols
 
 # Obfuscation related
 app.*.map.json
+/lib/build_timestamp.dart

lib/expensive_widget.dart

@@ -9,11 +9,13 @@ class ExpensiveWidget extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    print('builddy');
     return Container(
       width: width,
       height: height,
-      decoration: BoxDecoration(color: Colors.orange),
+      decoration: BoxDecoration(color: Colors.orange.shade100),
       child: CustomPaint(
+        isComplex: true,
         painter: ShapesPainter(width, height),
       ),
     );

lib/paint_measure.dart

@@ -0,0 +1,35 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/rendering.dart';
+import 'package:scroll_test/render_paint_measure.dart';
+
+class PaintMeasure extends SingleChildRenderObjectWidget {
+  /// Creates a widget that insets its child.
+  ///
+  /// The [measurePaint] argument must not be null.
+  const PaintMeasure({
+    Key? key,
+    this.measurePaint = true,
+    Widget? child,
+  }) : super(key: key, child: child);
+
+  /// The amount of space by which to inset the child.
+  final bool measurePaint;
+
+  @override
+  RenderPaintMeasure createRenderObject(BuildContext context) {
+    return RenderPaintMeasure(
+      measurePaint: measurePaint,
+    );
+  }
+
+  @override
+  void updateRenderObject(BuildContext context, RenderPaintMeasure renderObject) {
+    renderObject..measurePaint = measurePaint;
+  }
+
+  @override
+  void debugFillProperties(DiagnosticPropertiesBuilder properties) {
+    super.debugFillProperties(properties);
+    properties.add(DiagnosticsProperty<bool>('measurePaint', measurePaint));
+  }
+}

lib/platform.dart

@@ -2389,24 +2389,24 @@
 //   double delta = 0;
 //
 //   void debugPaintPaintInfo(PaintingContext context, Offset offset) {
-//     if ([
-//       'RenderSemanticsAnnotations',
-//       'RenderSemanticsGestureHandler',
-//       'RenderExcludeSemantics',
-//       'RenderBlockSemantics',
-//       '_RenderInkFeatures',
-//       'RenderPointerListener',
-//       'RenderAbsorbPointer',
-//       'RenderIgnorePointer',
-//       'RenderMouseRegion',
-//       '_RenderInputPadding',
-//       'RenderPadding',
-//       // 'RenderPositionedBox',
-//       // 'RenderConstrainedBox',
-//     ].contains(this.runtimeType.toString()))
-//       return;
-//
-//     print(this.runtimeType.toString());
+//     // if ([
+//     //   'RenderSemanticsAnnotations',
+//     //   'RenderSemanticsGestureHandler',
+//     //   'RenderExcludeSemantics',
+//     //   'RenderBlockSemantics',
+//     //   '_RenderInkFeatures',
+//     //   'RenderPointerListener',
+//     //   'RenderAbsorbPointer',
+//     //   'RenderIgnorePointer',
+//     //   'RenderMouseRegion',
+//     //   '_RenderInputPadding',
+//     //   // 'RenderPadding',
+//     //   // 'RenderPositionedBox',
+//     //   // 'RenderConstrainedBox',
+//     // ].contains(this.runtimeType.toString()))
+//     //   return;
+//
+//     // print(this.runtimeType.toString());
 //     int i = -1;
 //     // paintEvents.forEach((element) {
 //     //   final p1 = Offset(i * 5 + delta, 0);
@@ -2425,14 +2425,24 @@
 //       int fraction = (asymPC / (asymPC + symPC) * 8).round() + 1;
 //
 //       paintText(context, Offset.zero, ' $asymPC / $symPC', textColor: judgementColorMap[fraction] ?? Color(0xFFFF0000));
-//       final Paint paint = Paint()
-//         ..style = PaintingStyle.stroke
-//         ..strokeWidth = 2.0
-//         ..color = judgementColorMap[fraction] ?? Color(0xFFa0a0a0);
-//       context.canvas.drawRect(Rect.fromLTWH(offset.dx, offset.dy,
-//           paintBounds.width, paintBounds.height)
-//           , paint);
-//     } //else {
+//
+//       paintIndicator(context, offset, i, 0, fraction);
+//     } else {
+//       int parentMark = 0;
+//       int meMark = 0;
+//       if (parent is RenderObject)
+//         parentMark = (parent as RenderObject).eventssMap[PaintEventType.markPaintUp] ?? 0;
+//       meMark = eventssMap[PaintEventType.markPaintUp] ?? 0;
+//
+//       print('${this.runtimeType.toString()}: $meMark / $parentMark ${parent.runtimeType}');
+//
+//
+//       if (meMark == parentMark && meMark > 10 ) {
+//         paintIndicator(context, offset, i, 0, 1);
+//         paintText(context, Offset(offset.dx , offset.dy-10), ' Add RPB', textColor: judgementColorMap[1] ?? Color
+//           (0xFFFF0000));
+//       }
+//     }
 //     i = 1;
 //
 //     if (debugRepaintLogLevel == LogLevel.full)
@@ -2459,20 +2469,20 @@
 //     context.canvas.drawRect(Rect.fromLTWH(offset.dx, offset.dy,
 //         paintBounds.width, paintBounds.height)
 //         , paint);
-//
 //   }
+//
 //   void paintData(PaintingContext context, Offset offset, int i) {
 //     if (this is RenderRepaintBoundary) {
 //       paintText(context, Offset(offset.dx, offset.dy + i * 20),
 //           // ' ${key.toString().split('.').last.substring(0, 4)}: '
-//           ' ${(eventssMap[PaintEventType.paintBoundary]?? 0).toString()} / ${(eventssMap[PaintEventType.markPaintBoundary] ?? 0).toString()} ',
+//           ' ${(eventssMap[PaintEventType.paintBoundary] ?? 0).toString()} / ${(eventssMap[PaintEventType
+//               .markPaintBoundary] ?? 0).toString()} ',
 //           backgroundColor: colorsMap[PaintEventType.paintBoundary] ?? Color(0xFFFF0000));
-//
 //     } else
 //       paintText(context, Offset(offset.dx, offset.dy + i * 20),
-//           ' ${(eventssMap[PaintEventType.paintChild] ?? 0).toString()} / ${(eventssMap[PaintEventType.markPaintUp]?? 0).toString() } ',
+//           ' ${(eventssMap[PaintEventType.paintChild] ?? 0).toString()} / ${(eventssMap[PaintEventType.markPaintUp] ?? 0)
+//               .toString() } ',
 //           backgroundColor: colorsMap[PaintEventType.paintChild] ?? Color(0xFFFF0000));
-//
 //   }
 //
 //   void paintText(PaintingContext context, Offset offset, String text, {Color backgroundColor = const Color(

lib/render_paint_measure.dart

@@ -0,0 +1,21 @@
+import 'package:flutter/rendering.dart';
+
+class RenderPaintMeasure extends RenderBox {
+  RenderPaintMeasure({
+    this.measurePaint = true,
+    RenderBox? child,
+  });
+
+  bool measurePaint;
+
+  @override
+  void performLayout() {
+    return;
+  }
+
+  @override
+  void debugFillProperties(DiagnosticPropertiesBuilder properties) {
+    super.debugFillProperties(properties);
+    properties.add(DiagnosticsProperty<bool>('MeasurePaint', measurePaint));
+  }
+}

lib/rotate.dart

@@ -4,6 +4,7 @@ import 'package:flutter/rendering.dart';
 import 'package:scroll_test/demo_control.dart';
 import 'package:scroll_test/expensive_widget.dart';
 import 'package:scroll_test/paintEvent.dart';
+import 'package:scroll_test/paint_measure.dart';
 
 void main() => runApp(const MyApp());
 
@@ -115,9 +116,12 @@ class _RotateTestState extends State<RotateTest> with TickerProviderStateMixin {
                 ),
               ),
             ),
-            Padding(
-              padding: const EdgeInsets.all(8.0),
-              child: Text('Without RepaintBoundary'),
+            PaintMeasure(
+              measurePaint: true,
+              child: Padding(
+                padding: const EdgeInsets.all(8.0),
+                child: Text('Without RepaintBoundary'),
+              ),
             ),
             Center(
               child: SizedBox(