Ano-sys
111 lines
3.2 KiB
C#
111 lines
3.2 KiB
C#
using System;
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using Avalonia;
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using Avalonia.Input;
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using Avalonia.Media;
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using CommunityToolkit.Mvvm.Input;
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using SimpleDraw.Models;
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namespace SimpleDraw.ViewModels;
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public class MainWindowViewModel : ViewModelBase
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{
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#pragma warning disable CA1822 // Mark members as static
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public MainWindowViewModel()
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{
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DisplaySplitEvent = new RelayCommand(DisplaySplit);
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ColorPalette =
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[
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new ColorPickerButton
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{
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Color = new SolidColorBrush(new Color(r: 255, g: 255, b: 255, a: 255)),
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},
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new ColorPickerButton
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{
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Color = new SolidColorBrush(new Color(r: 0, g: 0, b: 0, a: 255)),
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},
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new ColorPickerButton
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{
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Color = new SolidColorBrush(new Color(r: 128, g: 128, b: 128, a: 255)),
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},
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new ColorPickerButton
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{
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Color = new SolidColorBrush(new Color(r: 255, g: 0, b: 0, a: 255)),
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},
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new ColorPickerButton
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{
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Color = new SolidColorBrush(new Color(r: 0, g: 255, b: 0, a: 255)),
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},
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new ColorPickerButton
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{
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Color = new SolidColorBrush(new Color(r: 0, g: 0, b: 255, a: 255)),
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},
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new ColorPickerButton
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{
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Color = new SolidColorBrush(new Color(r: 128, g: 0, b: 128, a: 255)),
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},
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new ColorPickerButton
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{
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Color = new SolidColorBrush(new Color(r: 128, g: 128, b: 0, a: 255)),
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}
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];
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foreach (ColorPickerButton colorPickerButton in ColorPalette)
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{
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var currentColor = colorPickerButton.Color;
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colorPickerButton.SelectColorCommand = new RelayCommand(() => ChangeSelectedColor(currentColor));
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}
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Brush = new SolidColorBrush(Colors.Black);
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CanvasPointerPressedCommand = new RelayCommand<PointerPressedEventArgs>(OnCanvasPointerPressed);
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CanvasPointerMovedCommand = new RelayCommand<PointerEventArgs>(OnCanvasPointerMoved);
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CanvasPointerReleasedCommand = new RelayCommand<PointerReleasedEventArgs>(OnCanvasPointerReleased);
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}
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#pragma warning restore CA1822 // Mark members as static
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private void ChangeSelectedColor(SolidColorBrush color)
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{
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Brush = color;
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}
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private void OnCanvasPointerPressed(PointerPressedEventArgs? e)
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{
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if (e == null) return;
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IsDrawing = true;
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DrawingPoints.Add(new DrawingPoints(Brush, BrushThickness));
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DrawingPoint = DrawingPoints[^1];
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// DrawingPoints.DrawingPointsList.Add(DrawingPoints.CurrentDrawingPoints);
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if (e.Source is Visual visual)
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{
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var point = e.GetPosition(visual);
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DrawingPoint.CurrentDrawingPoints.Add(point);
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}
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}
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private void OnCanvasPointerMoved(PointerEventArgs? e)
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{
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if (e == null || !IsDrawing) return;
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if (e.Source is Visual visual)
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{
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var point = e.GetPosition(visual);
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DrawingPoint?.CurrentDrawingPoints.Add(point);
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}
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}
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private void OnCanvasPointerReleased(PointerReleasedEventArgs? e)
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{
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IsDrawing = false;
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}
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}
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