SimpleDraw/ViewModels/ViewModelBase.cs

using System.Collections.ObjectModel;
using System.ComponentModel.DataAnnotations;
using Avalonia.Input;
using Avalonia.Media;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using SimpleDraw.Models;

namespace SimpleDraw.ViewModels;

public class ViewModelBase : ObservableObject
{
    public int WindowWidth { get; set; } = 1200;
    public int WindowHeight { get; set; } = 800;
    
    public ObservableCollection<ColorPickerButton>? ColorPalette { get; set; } 
    public IRelayCommand<PointerPressedEventArgs>? CanvasPointerPressedCommand { get; set; }
    public IRelayCommand<PointerEventArgs>? CanvasPointerMovedCommand { get; set; }
    public IRelayCommand<PointerReleasedEventArgs>? CanvasPointerReleasedCommand { get; set; }
    public ObservableCollection<DrawingPoints> DrawingPoints { get; set; } = new();
    public DrawingPoints? DrawingPoint { get; set; }
    
    protected bool IsDrawing { get; set; }
    
    private Brush _brush = new SolidColorBrush(new Color(a: 255, r: 0, g: 0, b: 0));
    private double _brushThickness = 2.0;
    
    protected Brush Brush
    {
        get => _brush;
        set => SetProperty(ref _brush, value);
    }
    
    public double BrushThickness
    {
        get => _brushThickness;
        set => SetProperty(ref _brushThickness, value);
    }
}