Views/PaintView.xaml.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace MahAppsMetro.Demo.Views
{
    /// <summary>
    /// PaintView.xaml 的互動邏輯
    /// </summary>
    public partial class PaintView : UserControl
    {
        public PaintView()
        {
            InitializeComponent();
            Loaded += PaintView_Loaded;
        }

        private void PaintView_Loaded(object sender, RoutedEventArgs e)
        {
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            this.canvas2.Children.Clear();
            double x = this.canvas2.ActualWidth;
            double y = this.canvas2.ActualHeight;
            Random r = new Random();
            List<Point> points = new List<Point>();
            for (int i = 1; i <= 10; i++)
            {
                Point p = new Point(i * 100, r.Next(100, 300));
                points.Add(p);
                AddPoint(p);
            }
            //PaintLine(points);
            UpdateRoad(points);
        }

        Path path2 = null;
        private void PaintLine(List<Point> points)
        {
            List<Point> controls = GetControlPoints(points);

            StringBuilder data = new StringBuilder("M");
            data.AppendFormat("{0},{1}", points[0].X, points[0].Y);
            for (int i = 1; i < points.Count - 1; i++)
            {
                //BezierSegment bs = new BezierSegment(controls[i * 2 - 1], controls[i * 2], points[i], true);
                Point pre = controls[i * 2 - 1];
                Point next = controls[i * 2];