diff --git a/flutter/lib/curve_painter.dart b/flutter/lib/curve_painter.dart deleted file mode 100644 index 2680cc7..0000000 --- a/flutter/lib/curve_painter.dart +++ /dev/null @@ -1,297 +0,0 @@ -import 'package:arrow_path/arrow_path.dart'; -import 'package:graphs/src/graph.dart'; -import 'package:flutter/material.dart'; -import 'dart:math'; - -class CurvePainter extends CustomPainter { - CurvePainter({ - Key? key, - required this.graphData, - required this.bfsPath, - required this.start, - required this.end, - required this.dfsAccessTable, - }); - - List? bfsPath; - List? dfsAccessTable; - int? start; - int? end; - Graphs graphData; - final double _dotRad = 6; - final double _lineWidth = 1.5; - final Color _lineColor = Colors.black; - final double _aboveHeight = 5; - double _circleRad = 100; - final TextStyle _textStyle = TextStyle( - color: Colors.red.shade900, - decorationColor: Colors.green.shade900, - decorationThickness: 10, - decorationStyle: TextDecorationStyle.dashed, - fontSize: 20, - ); - Map _off = {}; - void _drawLine(Canvas canvas, Offset p1, Offset p2) { - Paint p = Paint(); - p.color = _lineColor; - p.strokeWidth = _lineWidth; - canvas.drawLine(p1, p2, p); - } - - void _drawDot(Canvas canvas, Offset p1, [double plusRad = 0, Color? col]) { - col ??= Colors.yellow.shade900; - var p = Paint(); - p.color = col; - p.strokeWidth = _lineWidth + 2; - canvas.drawCircle(p1, _dotRad + plusRad, p); - } - - void _drawSelfConnect(Canvas canvas, Offset p1) { - var p = Paint(); - p.color = _lineColor; - p.strokeWidth = _lineWidth; - p.style = PaintingStyle.stroke; - canvas.drawCircle(Offset(p1.dx + _dotRad + 20, p1.dy), _dotRad + 20, p); - } - - TextSpan _getTextSpan(String s) => TextSpan(text: s, style: _textStyle); - TextPainter _getTextPainter(String s) => TextPainter( - text: _getTextSpan(s), - textDirection: TextDirection.ltr, - textAlign: TextAlign.center); - - void _drawDotNames(Canvas canvas, Offset place, String s) { - var textPainter = _getTextPainter(s); - textPainter.layout(); - textPainter.paint( - canvas, - Offset((place.dx - textPainter.width), - (place.dy - textPainter.height) - _aboveHeight)); - } - - void _drawDotNum(Canvas canvas, Offset size, String s) { - var textPainter = TextPainter( - text: TextSpan( - text: s, - style: const TextStyle( - color: Colors.black, - fontSize: 17, - )), - textDirection: TextDirection.ltr, - textAlign: TextAlign.center); - textPainter.layout(); - textPainter.paint( - canvas, - Offset((size.dx - textPainter.width) + 25, - (size.dy - textPainter.height) + _aboveHeight + 30)); - } - - int _getHighInputConnections() { - if (graphData.getDots().length != 1 && graphData.getDots().length <= 3) { - return -1; - } - int higest = -1; - for (var i in graphData.getDots()) { - if (i.getL().length > higest) higest = i.num; - } - return higest; - } - - Map _getDotPos(int dotsAm, Size size) { - Map off = {}; - var width = size.width / 2; - var height = size.height / 2; - int add = 0; - int h = _getHighInputConnections(); - for (int i = 0; i < dotsAm; i++) { - if ((i + 1) != h) { - double x = - cos(2 * pi * (i - add) / (dotsAm - add)) * _circleRad + width; - double y = - sin(2 * pi * (i - add) / (dotsAm - add)) * _circleRad + height; - - off[i + 1] = Offset(x, y); - } else if ((i + 1) == h) { - off[i + 1] = Offset(width + 2, height - 2); - add = 1; - h = 0; - } else { - print("GetDotPos error"); - } - //print(off.length); - } - - //print(off); - return off; - } - - void _drawHArrow(Canvas canvas, Size size, Offset from, Offset to, - [bool doubleSided = false]) { - Path path; - - // The arrows usually looks better with rounded caps. - Paint paint = Paint() - ..color = Colors.black - ..style = PaintingStyle.stroke - ..strokeCap = StrokeCap.round - ..strokeJoin = StrokeJoin.round - ..strokeWidth = _lineWidth; - - var length = sqrt((to.dx - from.dx) * (to.dx - from.dx) + - (to.dy - from.dy) * (to.dy - from.dy)); - - /// Draw a single arrow. - path = Path(); - path.moveTo(from.dx, from.dy); - path.relativeCubicTo( - 0, - 0, - -(from.dx + to.dx + length) / (length) - 40, - -(from.dy + to.dy + length) / (length) - 40, - to.dx - from.dx, - to.dy - from.dy); - path = - ArrowPath.make(path: path, isDoubleSided: doubleSided, tipLength: 16); - canvas.drawPath(path, paint); - } - - void _drawHighArrow(Canvas canvas, Size size, Offset from, Offset to, - [bool doubleSided = false]) { - Path path; - - // The arrows usually looks better with rounded caps. - Paint paint = Paint() - ..color = Colors.black - ..style = PaintingStyle.stroke - ..strokeCap = StrokeCap.round - ..strokeJoin = StrokeJoin.round - ..strokeWidth = _lineWidth; - - var length = sqrt((to.dx - from.dx) * (to.dx - from.dx) + - (to.dy - from.dy) * (to.dy - from.dy)); - - /// Draw a single arrow. - path = Path(); - path.moveTo(from.dx, from.dy); - path.relativeCubicTo( - 0, - 0, - (from.dx + to.dx) / (length * 2) + 40, - (from.dy + to.dy) / (length * 2) + 40, - to.dx - from.dx, - to.dy - from.dy); - path = ArrowPath.make( - path: path, - isDoubleSided: doubleSided, - tipLength: 13, - isAdjusted: false); - canvas.drawPath(path, paint); - } - - void _drawConnections( - Canvas canvas, Size size, List dots, Map off) { - for (var i in dots) { - var list = i.getL(); - var beg = off[i.num]; - for (var d in list.keys) { - if (d == i.num) { - _drawSelfConnect(canvas, off[d]!); - } else { - if (graphData.getDoubleSidedBool()) { - if (d > i.num) { - _drawHArrow(canvas, size, beg!, off[d]!, false); - if (graphData.getUseLengthBool()) { - _drawDotNames( - canvas, - Offset((off[d]!.dx + beg.dx) / 2 - 18, - (off[d]!.dy + beg.dy) / 2 - 18), - i.getL()[d].toString()); - } - } else { - _drawHighArrow(canvas, size, beg!, off[d]!, false); - if (graphData.getUseLengthBool()) { - _drawDotNames( - canvas, - Offset((off[d]!.dx + beg.dx) / 2 + 30, - (off[d]!.dy + beg.dy) / 2 + 30), - i.getL()[d].toString()); - } - } - } else { - _drawLine(canvas, beg!, off[d]!); - if (graphData.getUseLengthBool()) { - _drawDotNames( - canvas, - Offset((off[d]!.dx + beg.dx) / 2, (off[d]!.dy + beg.dy) / 2), - i.getL()[d].toString()); - } - } - } - } - } - } - - void _drawBFS(Canvas canvas) { - if (bfsPath != null) { - for (int i = 0; i < bfsPath!.length; i++) { - _drawDot(canvas, _off[bfsPath![i]]!, 8, Colors.yellow); - } - _drawDot(canvas, _off[start]!, 9, Colors.green); - _drawDot(canvas, _off[end]!, 7, Colors.red.shade200); - for (int i = 0; i < bfsPath!.length; i++) { - _drawDotNum(canvas, _off[bfsPath![i]]!, "bfs: №${i + 1}"); - } - } - } - - void _drawDFS(Canvas canvas) { - if (dfsAccessTable != null) { - print("nn"); - for (int i = 0; i < dfsAccessTable!.length; i++) { - if (dfsAccessTable![i]) { - _drawDot(canvas, _off[i + 1]!, 8, Colors.green.shade500); - _drawDotNum(canvas, _off[i + 1]!, "dfs: visible"); - } else { - _drawDot(canvas, _off[i + 1]!, 7, Colors.red.shade500); - _drawDotNum(canvas, _off[i + 1]!, "dfs: not visible"); - } - } - _drawDot(canvas, _off[start]!, 9, Colors.green.shade900); - } - } - - @override - void paint(Canvas canvas, Size size) { - if (size.width > size.height) { - _circleRad = size.height / 3; - } else { - _circleRad = size.width / 3; - } - - _off = _getDotPos(graphData.getDotAmount(), size); //, higest); - for (int i in _off.keys) { - _drawDot(canvas, _off[i]!); - //drawDotNames(canvas, off[i]!, "${graphData.getDots()[i - 1].getName()}:[$i]"); - } - - var g = graphData.getDots(); - _drawBFS(canvas); - _drawDFS(canvas); - _drawConnections(canvas, size, g, _off); - //pringArr(canvas, size); - //drawArrow(canvas, Offset(size.width / 2, size.height / 2), - // Offset(size.width / 2 + 50, size.height / 2 + 200)); - //} - - for (int i in _off.keys) { - //drawDot(canvas, off[i]!); - _drawDotNames( - canvas, _off[i]!, "${graphData.getDots()[i - 1].getName()}:[$i]"); - } - } - - @override - bool shouldRepaint(CustomPainter oldDelegate) { - return true; - } -}