MvvMAva/AvaloniaApplication4/ViewModels/Page1ViewModel.cs

using System;
using System.Collections.Generic;
using ReactiveUI;


using Avalonia.Media;
using Avalonia.Controls.Shapes;
using Avalonia.Threading;
using AvaloniaApplication4.Models;


using Avalonia.Controls;

using static System.Net.Mime.MediaTypeNames;
using Avalonia.Controls.Documents;


namespace AvaloniaApplication4.ViewModels
{
    public class Page1ViewModel : ReactiveObject
	{
        DispatcherTimer timer = new DispatcherTimer(); // ñîçäàíèå îáúåêòà äëÿ òàéìåðà

        // êîíñòðóêòîð
  

      




        public int count = 0;
        public string loginn = "";
        public int pass = 0;
        public string result = "";
        public string result1 = "";
        bool _isButtonVisible = true;
        bool _isButtonVisible1 = false;
        bool _isButtonVisible2 = false;
        bool _tbvis = false;
        public char[] stringChars;
        public string Login
        {

            get { return loginn; }

            set
            {
                this.RaiseAndSetIfChanged(ref loginn, value);

            }
        }
        public int Password
        {
            get { return pass; }
            set
            {
                this.RaiseAndSetIfChanged(ref pass, value);
            }
        }
        public string Res
        {
            get { return result; }
            set { this.RaiseAndSetIfChanged(ref result, value); }
        }
        public bool IsButtonVisible
        {
            get => _isButtonVisible;
            set => this.RaiseAndSetIfChanged(ref _isButtonVisible, value);
        }

        public bool IsButtonVisible1
        {
            get => _isButtonVisible1;
            set => this.RaiseAndSetIfChanged(ref _isButtonVisible1, value);
        }
        public bool IsButtonVisible2
        {
            get => _isButtonVisible2;
            set => this.RaiseAndSetIfChanged(ref _isButtonVisible2, value);
        }
       
       
        public bool IsTBvis
        {
            get => _tbvis;
            set => this.RaiseAndSetIfChanged(ref _tbvis, value);
        }
       

        Canvas _canva;
        public Canvas Canva
        {
            get => _canva;
            set => this.RaiseAndSetIfChanged(ref _canva, value);
        }
      
        private FontStyle GetRandomFontStyle()
        {
            Random random = new Random();
            FontStyle style = FontStyle.Normal;
            int font_ss = random.Next(1,2);
            if (font_ss == 1)
            {
                style = FontStyle.Italic;
            }
            else
            {
                style = FontStyle.Normal;
            }
            
            return style;
        }
        private FontWeight GetRandomFontW()
        {
            Random random = new Random();
           FontWeight style = FontWeight.Regular;
            int font_ss = random.Next(1, 2);
            if (font_ss == 1)
            {
                style = FontWeight.Bold;
            }
            else
            {
                style = FontWeight.Regular;
            }
            return style;
        }
        public void CreateCaptha()
        {
            Random rnd = new Random();
            SolidColorBrush color = new SolidColorBrush(Color.FromRgb(Convert.ToByte(rnd.Next(256)), Convert.ToByte(rnd.Next(255)), Convert.ToByte(rnd.Next(255))));
            FontStyle[] fs = new FontStyle[2] {  FontStyle.Normal, FontStyle.Italic};
            FontWeight[] fw = new FontWeight[2] { FontWeight.Bold, FontWeight.Normal };
            int a;
            Canvas canvas = new Canvas()
            {
                Width = 400,
                Height = 400,
                Background = color
            };
            // ãåíåðèðóåì ëèíèè
            var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
            var rs = rnd.Next(7, 11);
            stringChars = new char[rs];
            var random = new Random();
            int fixedLetterSpacing = 30;
            int font_ss = rnd.Next(0, 3);
            for (int i = 0; i < stringChars.Length; i++)
            {
                stringChars[i] = chars[random.Next(chars.Length)];
            }
            int min = 50;
            var finalString = new String(stringChars);
            for (int i = 0; i < stringChars.Length; i++)
            {
              
                TextBlock number = new TextBlock()
                {

                    Text = stringChars[i].ToString(),
                    FontSize = 40,
                    Foreground = Brushes.Black,
                    Padding = new Avalonia.Thickness(0, 0, 0, 0),
                    Margin = new Avalonia.Thickness(min, rnd.Next(150, 250), 0, 0),   // äîáàâëÿåì îòñòóïû
                    FontStyle = fs[rnd.Next(0, 2)],
                    FontWeight = fw[rnd.Next(0, 2)]
                };


                min += fixedLetterSpacing;
                canvas.Children.Add(number);

            }
            for (int i = 0; i < 20; i++)
            {
                Line line = new Line()
                {
                    StartPoint = new Avalonia.Point(rnd.Next(400), rnd.Next(400)),
                    EndPoint = new Avalonia.Point(rnd.Next(400), rnd.Next(400)),
                    Stroke = new SolidColorBrush(Color.FromArgb(128, 255, 255, 255)),
                    StrokeThickness = 3
                };

                canvas.Children.Add(line);
            }


            Canva = canvas; // ïåðåäà÷à ñîçäàííîãî Canvas ñâ-âó Canvas äëÿ îòîáðàæåíèÿ

        }
        public string enteredtext = "";


        public string Enteredt
        {

            get { return enteredtext; }

            set
            {
                this.RaiseAndSetIfChanged(ref enteredtext, value);

            }
        }
        public string Res1
        {
            get { return result1; }
            set { this.RaiseAndSetIfChanged(ref result1, value); }
        }
        public bool _Enabled = true;
     public bool Enabled
        {
            get
            {
                return _Enabled;
            }
            set
            {
                this.RaiseAndSetIfChanged(ref _Enabled, value);
            }
        }

        

       
    }


}