using Bro.Common.ImageCanvas.Shapes;
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using System.Collections.ObjectModel;
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using System.Drawing;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Forms;
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using System.Windows.Input;
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namespace Bro.Common.ImageCanvas
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{
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/// <summary>
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/// ImageCanvas.xaml 的交互逻辑
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/// </summary>
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public partial class ImageCanvas : System.Windows.Controls.UserControl
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{
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bool isFirstLoad = true;
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public ImageCanvas()
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{
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InitializeComponent();
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GotFocus += (sender, args) => Keyboard.Focus(ZoomAndPanControl);
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Loaded += (s, e) => { isFirstLoad = true; };
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_infoClearTimer = new System.Threading.Timer(ClearInfo, null, Timeout.Infinite, Timeout.Infinite);
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ZoomAndPanControl.OnMousePositionChanged += OnMousePointChanged;
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}
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#region ImageSource
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public static readonly DependencyProperty ImageSourceProperty = DependencyProperty.Register("ImageSource", typeof(Bitmap), typeof(ImageCanvas), new PropertyMetadata(new Bitmap(1000, 1000), OnImagSourcePropertyChanged));
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public Bitmap ImageSource
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{
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get => GetValue(ImageSourceProperty) as Bitmap;
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set => SetValue(ImageSourceProperty, value);
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}
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private static void OnImagSourcePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
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{
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ImageCanvas ctrl = d as ImageCanvas;
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if (ctrl != null)
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{
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Bitmap map = e.NewValue as Bitmap;
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if (map != null)
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{
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ctrl.actualContent.Source = map.BitmapToWriteableBitmap();
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if (ctrl.isFirstLoad)
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{
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ctrl.isFirstLoad = false;
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Task.Run(() =>
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{
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Thread.Sleep(100);
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ctrl.Dispatcher.Invoke(() =>
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{
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ctrl.ZoomAndPanControl.FitCommand?.Execute(null);
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});
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});
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}
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}
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}
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}
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#endregion
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#region ToolBar
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public static readonly DependencyProperty IsShowToolBarProperty = DependencyProperty.Register("IsShowToolBar", typeof(bool), typeof(ImageCanvas), new PropertyMetadata(true, OnIsShowToolBarPropertyChanged));
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private static void OnIsShowToolBarPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
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{
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ImageCanvas ctrl = d as ImageCanvas;
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if (ctrl != null)
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{
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bool isVisible = (bool)e.NewValue;
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ctrl.toolBarTray.Visibility = isVisible ? Visibility.Visible : Visibility.Collapsed;
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}
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}
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public bool IsShowToolBar
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{
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get => (bool)GetValue(IsShowToolBarProperty);
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set => SetValue(IsShowToolBarProperty, value);
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}
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private void btnOpenFile_Click(object sender, RoutedEventArgs e)
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{
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OpenFileDialog ofd = new OpenFileDialog();
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ofd.Multiselect = false;
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if (ofd.ShowDialog() == DialogResult.OK)
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{
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Bitmap map = System.Drawing.Image.FromFile(ofd.FileName) as Bitmap;
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if (map != null)
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{
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ImageSource = map;
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}
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}
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}
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private void btnSaveImage_Click(object sender, RoutedEventArgs e)
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{
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if (ImageSource == null)
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return;
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SaveFileDialog sfd = new SaveFileDialog();
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sfd.Filter = "JPG文件|*.jpg|BMP文件|*.bmp";
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if (sfd.ShowDialog() == DialogResult.OK)
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{
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string filePath = sfd.FileName;
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if (filePath.EndsWith("bmp"))
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{
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ImageSource.Save(filePath, System.Drawing.Imaging.ImageFormat.Bmp);
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}
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else
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{
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ImageSource.Save(filePath, System.Drawing.Imaging.ImageFormat.Jpeg);
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}
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SetTxtInfo($"图片保存成功！ {filePath}");
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}
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}
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private void btnSaveImageResults_Click(object sender, RoutedEventArgs e)
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{
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}
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private void btnFitScreen_Click(object sender, RoutedEventArgs e)
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{
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ZoomAndPanControl.FitCommand?.Execute(null);
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}
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private void btnOriginImage_Click(object sender, RoutedEventArgs e)
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{
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ZoomAndPanControl.FillCommand?.Execute(null);
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}
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#endregion
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#region Visula Shapes
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public static readonly DependencyProperty ShapeListProperty =
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DependencyProperty.Register("ShapeList", typeof(ObservableCollection<ShapeElementBase>), typeof(ImageCanvas), new PropertyMetadata(new ObservableCollection<ShapeElementBase>(), ObservableCollectionChangedCallback));
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private static void ObservableCollectionChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e)
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{
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var canvas = (ImageCanvas)d;
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//canvas.visualCanvas.VisualList = new ObservableCollection<ShapeElementBase>(canvas.ShapeList);
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//canvas.ShapeList.CollectionChanged += canvas.Shapes_CollectionChanged;
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canvas.visualCanvas.VisualList = canvas.ShapeList;
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}
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public ObservableCollection<ShapeElementBase> ShapeList
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{
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get => GetValue(ShapeListProperty) as ObservableCollection<ShapeElementBase>;
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set
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{
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SetValue(ShapeListProperty, value);
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//value.CollectionChanged -= Shapes_CollectionChanged;
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//value.CollectionChanged += Shapes_CollectionChanged;
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}
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}
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//private void Shapes_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
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//{
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// //this.visualCanvas.VisualList = new ObservableCollection<ShapeElementBase>(this.ShapeList);
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//}
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#endregion
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#region txtInfo
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readonly System.Threading.Timer _infoClearTimer = null;
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private void ClearInfo(object state)
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{
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txtInfo.Dispatcher.Invoke(() =>
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{
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txtInfo.Text = "";
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});
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}
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private void SetTxtInfo(string info)
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{
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txtInfo.Text = info;
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if (!string.IsNullOrWhiteSpace(info))
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{
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_infoClearTimer.Change(5000, Timeout.Infinite);
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}
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}
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#endregion
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#region MousePoint
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private void OnMousePointChanged(System.Windows.Point point)
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{
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visualCanvas.OnMousePointChanged(point);
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}
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#endregion
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}
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}
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