using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
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.Shapes;

namespace Signal_Generator
{
    /// <summary>
    /// Логика взаимодействия для TaskWindow.xaml
    /// </summary>
    public partial class TaskWindow : Window
    {
        MultiSignal currentMultiSignal;
        public TaskWindow(MultiSignal s)
        {
            InitializeComponent();
            currentMultiSignal = s;
        }

        public void drawSignal(MultiSignal s)
        {
            double lastX = 0, lastY = 0;
            double w = signalGraph_Canvas.ActualWidth;
            for (int i = 0; i != (int)w; i++)
            {
                double y = s.currentAmplitude(i / 5.0);
                drawLine(lastX, lastY, i, y);
                lastX = i;
                lastY = y;
            }
        }

        public void drawLine (double x1, double y1, double x2, double y2)
        {
            Line l = new Line();
            l.StrokeThickness = 1;
            l.Stroke = Brushes.Red;
            l.X1 = x1;
            l.Y1 = remap(y1);
            l.X2 = x2;
            l.Y2 = remap(y2);
            signalGraph_Canvas.Children.Add(l);
        }

        public double remap (double x, double oldMin = -100.0, double oldMax = 100.0, double newMin = 100.0, double newMax = 0.0)
        {
            newMin = signalGraph_Canvas.ActualHeight;
            return newMin + (x - oldMin) * (newMax - newMin) / (oldMax - oldMin);
        }

        private void start_Button_Click(object sender, RoutedEventArgs e)
        {
            drawSignal(currentMultiSignal);
        }
    }
}