李伟
105 lines
3.5 KiB
C#
105 lines
3.5 KiB
C#
using System.Drawing;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Input;
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using XP.Camera.Calibration.ViewModels;
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using WpfBrushes = System.Windows.Media.Brushes;
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using WpfColor = System.Windows.Media.Color;
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namespace XP.Camera.Calibration.Controls;
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public partial class CalibrationControl : UserControl
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{
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private CalibrationViewModel? _viewModel;
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public CalibrationControl()
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{
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InitializeComponent();
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Loaded += CalibrationControl_Loaded;
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}
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private void CalibrationControl_Loaded(object sender, RoutedEventArgs e)
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{
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if (DataContext is CalibrationViewModel viewModel)
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{
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_viewModel = viewModel;
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_viewModel.ImageLoadedRequested += (s, e) =>
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{
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imageCanvas.ReferenceImage = _viewModel.ImageSource;
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imageCanvas.RoiCanvas.Children.Clear();
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};
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imageCanvas.CanvasRightMouseUp += ImageCanvas_RightMouseUp;
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imageCanvas.CanvasMouseWheel += ImageCanvas_MouseWheel;
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}
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}
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private void ImageCanvas_MouseWheel(object? sender, MouseWheelEventArgs e)
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{
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if (_viewModel?.CurrentImage == null) return;
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double zoom = e.Delta > 0 ? 1.1 : 0.9;
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imageCanvas.ZoomScale *= zoom;
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imageCanvas.ZoomScale = Math.Max(0.1, Math.Min(imageCanvas.ZoomScale, 10));
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}
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private void ImageCanvas_RightMouseUp(object? sender, MouseButtonEventArgs e)
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{
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if (_viewModel?.CurrentImage == null) return;
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var pos = e.GetPosition(imageCanvas.RoiCanvas);
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float imageX = (float)pos.X;
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float imageY = (float)pos.Y;
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if (imageX >= 0 && imageX < _viewModel.CurrentImage.Width &&
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imageY >= 0 && imageY < _viewModel.CurrentImage.Height)
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{
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var pixelPoint = new PointF(imageX, imageY);
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var worldPoint = _viewModel.ConvertPixelToWorld(pixelPoint);
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_viewModel.StatusText = $"像素坐标: ({imageX:F2}, {imageY:F2})\n世界坐标: ({worldPoint.X:F2}, {worldPoint.Y:F2})";
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DrawMarkerOnCanvas(imageX, imageY, worldPoint);
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}
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}
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private void DrawMarkerOnCanvas(float imageX, float imageY, PointF worldPoint)
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{
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imageCanvas.RoiCanvas.Children.Clear();
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var ellipse = new System.Windows.Shapes.Ellipse
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{
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Width = 10, Height = 10,
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Stroke = WpfBrushes.Red, StrokeThickness = 2,
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Fill = WpfBrushes.Transparent
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};
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Canvas.SetLeft(ellipse, imageX - 5);
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Canvas.SetTop(ellipse, imageY - 5);
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imageCanvas.RoiCanvas.Children.Add(ellipse);
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var pixelText = new TextBlock
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{
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Text = $"P:({imageX:F0},{imageY:F0})",
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Foreground = WpfBrushes.Red, FontSize = 12,
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Background = new System.Windows.Media.SolidColorBrush(WpfColor.FromArgb(180, 255, 255, 255))
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};
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Canvas.SetLeft(pixelText, imageX + 10);
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Canvas.SetTop(pixelText, imageY - 20);
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imageCanvas.RoiCanvas.Children.Add(pixelText);
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if (_viewModel?.ShowWorldCoordinates == true)
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{
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var worldText = new TextBlock
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{
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Text = $"W:({worldPoint.X:F2},{worldPoint.Y:F2})",
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Foreground = WpfBrushes.Blue, FontSize = 12,
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Background = new System.Windows.Media.SolidColorBrush(WpfColor.FromArgb(180, 255, 255, 255))
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};
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Canvas.SetLeft(worldText, imageX + 10);
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Canvas.SetTop(worldText, imageY + 5);
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imageCanvas.RoiCanvas.Children.Add(worldText);
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}
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}
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}
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