@@ -1,3 +1,343 @@
// import 'dart:ui' as ui;
// import 'package:flutter/material.dart';
// import 'package:flutterflow_ui/flutterflow_ui.dart';
// import 'package:vbvs_app/common/util/FitTool.dart';
// import 'package:vbvs_app/common/util/MyUtils.dart';
// import 'package:intl/intl.dart';
// class SnoreChartContainer extends StatelessWidget {
// final List<dynamic> snoreValues;
// final List<dynamic> barData;
// final List<dynamic> showLabel;
// final int startTime;
// final int endTime;
// const SnoreChartContainer({
// required this.snoreValues,
// required this.barData,
// required this.showLabel,
// required this.startTime,
// required this.endTime,
// super.key,
// });
// @override
// Widget build(BuildContext context) {
// // barData.add({
// // "type": 6,
// // "et": 1765291778963,
// // "st": 1765289341000,
// // });
// return Column(
// crossAxisAlignment: CrossAxisAlignment.start,
// children: [
// SnoreBarOverlay(
// barData: barData,
// showLabel: showLabel,
// startTime: startTime,
// endTime: endTime,
// ),
// Container(height: 32.rpx),
// Container(
// height: 23.rpx,
// child: SnoreWaveform(
// snoreValues: snoreValues,
// startTime: startTime,
// endTime: endTime,
// ),
// ),
// ],
// );
// }
// }
// class SnoreBarOverlay extends StatelessWidget {
// final List<dynamic> barData;
// final List<dynamic> showLabel;
// final int startTime;
// final int endTime;
// const SnoreBarOverlay({
// required this.barData,
// required this.showLabel,
// required this.startTime,
// required this.endTime,
// super.key,
// });
// @override
// Widget build(BuildContext context) {
// const double barHeight = 50;
// return SizedBox(
// height: barHeight,
// child: CustomPaint(
// size: Size(double.infinity, barHeight),
// painter: SnoreBarPainter(
// barData: barData,
// showLabel: showLabel,
// startTime: startTime,
// endTime: endTime,
// ),
// ),
// );
// }
// }
// class SnoreBarPainter extends CustomPainter {
// final List<dynamic> barData;
// final List<dynamic> showLabel;
// final int startTime;
// final int endTime;
// SnoreBarPainter({
// required this.barData,
// required this.showLabel,
// required this.startTime,
// required this.endTime,
// });
// @override
// void paint(Canvas canvas, Size size) {
// final double width = size.width;
// final double height = size.height;
// final double pixelPerMs = width / (endTime - startTime);
// for (var item in barData) {
// final int st = item['st'];
// final int et = item['et'];
// final int type = item['type'];
// int heightInit = 1;
// final match = showLabel.firstWhere(
// (e) => e['type'] == type,
// orElse: () => null,
// );
// Color barColor = Colors.transparent;
// if (match != null) {
// final dynamic colorStr = match['color'];
// if (colorStr != null && colorStr.toString().isNotEmpty) {
// barColor = stringToColor(colorStr);
// }
// }
// final Paint barPaint = Paint()
// ..color = barColor
// ..style = PaintingStyle.fill;
// final double leftX = (st - startTime) * pixelPerMs;
// final double rightX = (et - startTime) * pixelPerMs;
// final double barWidth = rightX - leftX;
// //rem 深睡 中
// //浅睡 低
// //其他 高
// if (type == 1) {
// heightInit = 1;
// } else if (type == 2 || type == 6) {
// heightInit = 2;
// } else {
// heightInit = 3;
// }
// final double barHeight = (heightInit + 5).toDouble() * 8;
// final double top = height - barHeight;
// final rect = Rect.fromLTWH(leftX, top, barWidth, barHeight);
// canvas.drawRect(rect, barPaint);
// }
// }
// @override
// bool shouldRepaint(covariant CustomPainter oldDelegate) => true;
// }
// class SnoreWaveform extends StatelessWidget {
// final List<dynamic> snoreValues;
// final int startTime;
// final int endTime;
// const SnoreWaveform({
// required this.snoreValues,
// required this.startTime,
// required this.endTime,
// super.key,
// });
// @override
// Widget build(BuildContext context) {
// return SizedBox(
// height: 150,
// child: CustomPaint(
// size: Size(double.infinity, 150),
// painter: SnoreWaveformPainter(
// snoreValues: snoreValues,
// startTime: startTime,
// endTime: endTime,
// ),
// ),
// );
// }
// }
// class SnoreWaveformPainter extends CustomPainter {
// final List<dynamic> snoreValues;
// final int startTime;
// final int endTime;
// SnoreWaveformPainter({
// required this.snoreValues,
// required this.startTime,
// required this.endTime,
// });
// @override
// void paint(Canvas canvas, Size size) {
// final double width = size.width;
// final double height = size.height;
// final double centerY = height / 2;
// final double totalDuration = (endTime - startTime).toDouble();
// final double pixelPerMs = width / totalDuration;
// final Paint wavePaint = Paint()
// ..color = stringToColor("#8E7DEF").withOpacity(0.8)
// ..strokeWidth = 1.5
// ..style = PaintingStyle.stroke;
// final Path upperPath = Path();
// final Path lowerPath = Path();
// double maxValue = snoreValues.fold<double>(0, (prev, e) {
// final value = e["value"]?.toDouble() ?? 0;
// return value > prev ? value : prev;
// });
// final double maxWaveHeight = height * 1;
// final double scaleY = maxValue > 0 ? (maxWaveHeight / maxValue) : 1;
// for (int i = 0; i < snoreValues.length; i++) {
// final timestamp = snoreValues[i]["st"];
// final value = snoreValues[i]["value"]?.toDouble() ?? 0;
// final x = (timestamp - startTime) * pixelPerMs;
// final y = centerY - value * scaleY;
// final yMirror = centerY + value * scaleY;
// if (i == 0) {
// upperPath.moveTo(x, y);
// lowerPath.moveTo(x, yMirror);
// } else {
// upperPath.lineTo(x, y);
// lowerPath.lineTo(x, yMirror);
// }
// }
// canvas.drawPath(upperPath, wavePaint);
// canvas.drawPath(lowerPath, wavePaint);
// final Paint axisPaint = Paint()
// ..color = Colors.grey.withOpacity(0.6)
// ..strokeWidth = 0.5;
// canvas.drawLine(Offset(0, centerY), Offset(width, centerY), axisPaint);
// final textPainter = TextPainter(
// textAlign: TextAlign.center,
// textDirection: ui.TextDirection.ltr,
// );
// final int hourMs = 60 * 60 * 1000;
// final int totalHours = (endTime - startTime) ~/ hourMs;
// // 1. 始终显示开始时间
// double x = 0;
// DateTime startDt = DateTime.fromMillisecondsSinceEpoch(startTime);
// String label = DateFormat('HH:mm').format(startDt);
// textPainter.text = TextSpan(
// text: label,
// style: TextStyle(fontSize: 10, color: Colors.grey),
// );
// textPainter.layout();
// textPainter.paint(
// canvas,
// Offset(x - textPainter.width / 2, height + 2),
// );
// // 2. 决定显示策略
// if (totalHours <= 8) {
// // 小时间段：显示所有整点小时
// for (int t = startTime + hourMs; t < endTime; t += hourMs) {
// x = (t - startTime) * pixelPerMs;
// DateTime dt = DateTime.fromMillisecondsSinceEpoch(t);
// // 判断是否接近边界（ ）
// if (t - startTime < 30 * 60 * 1000 || endTime - t < 30 * 60 * 1000) {
// continue;
// }
// label = dt.hour == 0 ? "0" : "${dt.hour}";
// textPainter.text = TextSpan(
// text: label,
// style: TextStyle(fontSize: 10, color: Colors.grey),
// );
// textPainter.layout();
// textPainter.paint(
// canvas,
// Offset(x - textPainter.width / 2, height + 2),
// );
// }
// } else {
// // 长时间段：使用自适应间隔
// int labelInterval = (totalHours / 6).ceil();
// // 计算第一个标签位置（对齐整点）
// int firstLabelMs =
// ((startTime ~/ (labelInterval * hourMs))) * labelInterval * hourMs;
// if (firstLabelMs <= startTime) {
// firstLabelMs += labelInterval * hourMs;
// }
// // 绘制中间标签
// for (int t = firstLabelMs; t < endTime; t += labelInterval * hourMs) {
// // 跳过太接近边界的时间点（ ）
// if (t - startTime < hourMs || endTime - t < hourMs) continue;
// x = (t - startTime) * pixelPerMs;
// DateTime dt = DateTime.fromMillisecondsSinceEpoch(t);
// label = dt.hour == 0 ? "0" : "${dt.hour}";
// textPainter.text = TextSpan(
// text: label,
// style: TextStyle(fontSize: 10, color: Colors.grey),
// );
// textPainter.layout();
// textPainter.paint(
// canvas,
// Offset(x - textPainter.width / 2, height + 2),
// );
// }
// }
// // 3. 始终显示结束时间
// x = (endTime - startTime) * pixelPerMs;
// DateTime endDt = DateTime.fromMillisecondsSinceEpoch(endTime);
// label = DateFormat('HH:mm').format(endDt);
// textPainter.text = TextSpan(
// text: label,
// style: TextStyle(fontSize: 10, color: Colors.grey),
// );
// textPainter.layout();
// textPainter.paint(
// canvas,
// Offset(x - textPainter.width / 2, height + 2),
// );
// }
// @override
// bool shouldRepaint(covariant CustomPainter oldDelegate) => true;
// }
import ' dart:ui ' as ui ;
import ' package:flutter/material.dart ' ;
import ' package:flutterflow_ui/flutterflow_ui.dart ' ;
@@ -23,11 +363,6 @@ class SnoreChartContainer extends StatelessWidget {
@ override
Widget build ( BuildContext context ) {
// barData.add({
// "type": 6,
// "et": 1765291778963,
// "st": 1765289341000,
// });
return Column (
crossAxisAlignment: CrossAxisAlignment . start ,
children: [
@@ -167,13 +502,17 @@ class SnoreWaveform extends StatelessWidget {
Widget build ( BuildContext context ) {
return SizedBox (
height: 150 ,
child: CustomPaint (
size: Size ( double . infinity , 150 ) ,
painter: SnoreWavefor mPainter (
snoreValues: snoreValues ,
startTime: startTime ,
endTime: endTime ,
) ,
child: LayoutBuilder (
builder: ( context , constraints ) {
return Custo mPaint (
size: Size ( constraints . maxWidth , constraints . maxHeight ) ,
painter: SnoreWaveformPainter (
snoreValues: snoreValues ,
startTime: startTime ,
endTime: endTime ,
) ,
) ;
} ,
) ,
) ;
}
@@ -194,51 +533,94 @@ class SnoreWaveformPainter extends CustomPainter {
void paint ( Canvas canvas , Size size ) {
final double width = size . width ;
final double height = size . height ;
final double centerY = height / 2 ;
if ( width < = 0 | | height < = 0 ) return ;
final double totalDuration = ( endTime - startTime ) . toDouble ( ) ;
if ( totalDuration < = 0 ) return ;
final double pixelPerMs = width / totalDuration ;
final Paint wavePaint = Paint ( )
. . color = stringToColor ( " #8E7DEF " ) . withOpacity ( 0.8 )
. . strokeWidth = 1.5
. . style = PaintingStyle . stroke ;
// 过滤在时间范围内的有效事件
final validEvents = snoreValues . where ( ( e ) {
final int st = e [ ' st ' ] ;
final int et = e [ ' et ' ] ;
// 事件与时间范围有重叠
return ! ( et < = startTime | | st > = endTime ) ;
} ) . toList ( ) ;
final Path upperPath = Path ( ) ;
final Path lowerPath = Path ( ) ;
double maxValue = snoreValues . fold < double > ( 0 , ( prev , e ) {
final value = e [ " value " ] ? . toDouble ( ) ? ? 0 ;
return value > prev ? value : prev ;
} ;
final double maxWaveHeight = height * 1 ;
final double scaleY = maxValue > 0 ? ( maxWaveHeight / maxValue ) : 1 ;
for ( int i = 0 ; i < snoreValues . length ; i + + ) {
final timestamp = snoreValues [ i ] [ " st " ] ;
final value = snoreValues [ i ] [ " value " ] ? . toDouble ( ) ? ? 0 ;
final x = ( timestamp - startTime ) * pixelPerMs ;
final y = centerY - value * scaleY ;
final yMirror = centerY + value * scaleY ;
if ( i = = 0 ) {
upperPath . moveTo ( x , y ) ;
lowerPath . moveTo ( x , yMirror ) ;
} else {
upperPath . lineTo ( x , y ) ;
lowerPath . lineTo ( x , yMirror ) ;
}
if ( validEvents . isEmpty ) {
// 绘制无数据提示
final textPainter = TextPainter (
text: TextSpan (
text: ' 无打鼾数据 ' ,
style: TextStyle ( color: Colors . grey , fontSize: 12 ) ,
) ,
textDirection: ui . TextDirection . ltr ,
) ;
textPainter . layout ( ) ;
textPainter . paint (
canvas , Offset ( width / 2 - textPainter . width / 2 , height / 2 - 10 ) ) ;
return ;
}
canvas . drawPath ( upperPath , wavePaint ) ;
canvas . drawPath ( lowerPath , wavePaint ) ;
// 计算中心线位置
final double centerY = height / 2 ;
// 统一使用一个颜色（打鼾颜色）
final Color snoreColor = stringToColor ( " #8E7DEF " ) . withOpacity ( 0.8 ) ;
final Paint barPaint = Paint ( )
. . color = snoreColor
. . style = PaintingStyle . fill ;
final Paint borderPaint = Paint ( )
. . color = snoreColor . withOpacity ( 0.9 )
. . style = PaintingStyle . stroke
. . strokeWidth = 0.5 ;
// 固定高度（上下对称）
final double fixedBarHeight = height * 0.3 ; // 固定为画布高度的30%
// 绘制每个打鼾事件（上下对称的柱状图）
for ( final event in validEvents ) {
final int st = event [ ' st ' ] ;
final int et = event [ ' et ' ] ;
// 计算绘制位置（裁剪到可视范围内）
final double startX = ( st - startTime ) * pixelPerMs ;
final double endX = ( et - startTime ) * pixelPerMs ;
// 确保在画布范围内
if ( endX < 0 | | startX > width ) continue ;
final double drawStartX = startX . clamp ( 0 , width ) ;
final double drawEndX = endX . clamp ( 0 , width ) ;
final double drawWidth = drawEndX - drawStartX ;
if ( drawWidth < = 0 ) continue ;
// 绘制上方的柱状图
final double topBarTop = centerY - fixedBarHeight ;
final Rect topRect =
Rect . fromLTWH ( drawStartX , topBarTop , drawWidth , fixedBarHeight ) ;
canvas . drawRect ( topRect , barPaint ) ;
canvas . drawRect ( topRect , borderPaint ) ;
// 绘制下方的柱状图（对称）
final double bottomBarTop = centerY ;
final Rect bottomRect =
Rect . fromLTWH ( drawStartX , bottomBarTop , drawWidth , fixedBarHeight ) ;
canvas . drawRect ( bottomRect , barPaint ) ;
canvas . drawRect ( bottomRect , borderPaint ) ;
}
// 绘制中心线
final Paint axisPaint = Paint ( )
. . color = Colors . grey . withOpacity ( 0.6 )
. . color = Colors . grey . withOpacity ( 0.3 )
. . strokeWidth = 0.5 ;
canvas . drawLine ( Offset ( 0 , centerY ) , Offset ( width , centerY ) , axisPaint ) ;
// 绘制时间轴标签
final textPainter = TextPainter (
textAlign: TextAlign . center ,
textDirection: ui . TextDirection . ltr ,
@@ -335,5 +717,9 @@ class SnoreWaveformPainter extends CustomPainter {
}
@ override
bool shouldRepaint ( covariant Custo mPainteroldDelegate ) = > true ;
bool shouldRepaint ( covariant SnoreWavefor mPainteroldDelegate ) {
return oldDelegate . snoreValues ! = snoreValues | |
oldDelegate . startTime ! = startTime | |
oldDelegate . endTime ! = endTime ;
}
}
wyf