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