/// <summary>
/// Initializes the image dimension, mouse delegation, and the
/// graphical context setup of the instance.
/// </summary>
/// <param name="view"> HALCON window </param>
public HWndCtrl(HWindowControlWPF view)
{
viewPort = view;
stateView = MODE_VIEW_NONE;
windowWidth = viewPort.ActualWidth;
windowHeight = viewPort.ActualHeight;
zoomWndFactor = (double)imageWidth / viewPort.ActualWidth;
zoomAddOn = Math.Pow(0.9, 5);
zoomWndSize = 150;
/*default*/
CompRangeX = new int[] { 0, 100 };
CompRangeY = new int[] { 0, 100 };
prevCompX = prevCompY = 0;
dispROI = MODE_INCLUDE_ROI;//1;
//viewPort.HMouseUp += ViewPort_HMouseUp;
//viewPort.HMouseDown += ViewPort_HMouseDown;
//viewPort.HMouseMove += ViewPort_HMouseMove;
viewPort.HMouseWheel += ViewPort_HMouseWheel;
viewPort.SizeChanged += ViewPort_SizeChanged;
addInfoDelegate = new FuncDelegate(dummyV);
NotifyIconObserver = new IconicDelegate(dummy);
// graphical stack
HObjList = new ArrayList(20);
mGC = new GraphicsContext();
mGC.gcNotification = new GCDelegate(exceptionGC);
}
/// <summary>
/// Initializes the image dimension, mouse delegation, and the
/// graphical context setup of the instance.
/// </summary>
/// <param name="viewPort"> HALCON window </param>
public ViewController(HWindowControlWPF viewPort)
{
this.viewPort = viewPort;
this.RoiController = new ROIController(this);
stateView = MODE_VIEW_NONE;
zoomWndFactor = (double)ImageWidth / this.viewPort.ActualWidth;
zoomAddOn = Math.Pow(0.9, 5);
zoomWndSize = 150;
dispROI = MODE_INCLUDE_ROI;
this.viewPort.HMouseUp += ViewPort_HMouseUp;
this.viewPort.HMouseDown += this.MouseDown;
this.viewPort.HMouseMove += this.MouseMove;
//建立鼠标离开控件的可见部分触发事件
this.viewPort.MouseLeave += this.ViewPort_MouseLeave;
//建立键盘按下触发事件
this.viewPort.KeyDown += this.ViewPort_KeyDown;
//设置窗口操作模式为移动
SetViewState(ViewController.MODE_VIEW_MOVE);
}
/// <summary>
/// Binds a Halcon window to a View Roi Manager.
/// </summary>
/// <param name="manager">The View Roi Manager.</param>
/// <param name="halconWindow">The Halcon window.</param>
/// <param name="imageBorderName">The name of the Border Control containing the Halcon window control.</param>
/// <param name="loadImageViewModelName">The name of the load image view model to use.</param>
/// <param name="windowClass">The main window class instance. (Pass "this")</param>
public static void BindHalconWindow(
ViewROIManager manager,
HWindowControlWPF halconWindow,
string imageBorderName,
string loadImageViewModelName,
MainWindow windowClass)
{
windowClass.DisposeCollection.Add(windowClass.Events().ContentRendered.Subscribe(_ =>
{
manager.LocHWindowControl = halconWindow;
manager.LocHWindowControl.ContextMenu.ItemsSource = windowClass.MainViewModel.MenuItems;
// Set the data template.
manager.LocHWindowControl.ContextMenu.ItemTemplate = windowClass.ContextMenuDataTemplate;
// Set the ItemsPanelTemplate.
manager.LocHWindowControl.ContextMenu.ItemsPanel = windowClass.ContextMenuItemsPanelTemplate;
}));
windowClass.DisposeCollection.Add(windowClass.MainViewModel.MenuItems.ItemsAdded
.Where(_ => manager.LocHWindowControl != null)
.Subscribe(
_ =>
{
manager.LocHWindowControl.ContextMenu.ItemsSource = windowClass.MainViewModel.MenuItems;
// Set the data template.
manager.LocHWindowControl.ContextMenu.ItemTemplate = windowClass.ContextMenuDataTemplate;
// Set the ItemsPanelTemplate.
manager.LocHWindowControl.ContextMenu.ItemsPanel = windowClass.ContextMenuItemsPanelTemplate;
}));
windowClass.DisposeCollection.Add(windowClass.Events().LayoutUpdated
.Select(_ => System.Reactive.Unit.Default)
.InvokeCommand(manager.AdjustAspectCommand));
ParameterExpression targetParameter = LExpression.Parameter(typeof(MainWindow), "x");
MemberExpression mainVMExp = LExpression.Property(targetParameter, "MainViewModel");
MemberExpression viewModelExp = LExpression.Property(mainVMExp, loadImageViewModelName);
MemberExpression imageHeightExp = LExpression.Property(viewModelExp, "ImageHeight");
MemberExpression imageWidthExp = LExpression.Property(viewModelExp, "ImageWidth");
Expression <Func <MainWindow, int> > imageHeightTargetExp = LExpression.Lambda <Func <MainWindow, int> >(imageHeightExp, new ParameterExpression[] { targetParameter });
Expression <Func <MainWindow, int> > imageWidthTargetExp = LExpression.Lambda <Func <MainWindow, int> >(imageWidthExp, new ParameterExpression[] { targetParameter });
// Using Subscribe here because BindTo sets up a two-way binding which is not wanted.
windowClass.DisposeCollection.Add(windowClass.WhenAnyValue(imageHeightTargetExp)
.Subscribe(x => manager.ImageHeight = x));
windowClass.DisposeCollection.Add(windowClass.WhenAnyValue(imageWidthTargetExp)
.Subscribe(x => manager.ImageWidth = x));
MemberExpression borderExp = LExpression.PropertyOrField(targetParameter, imageBorderName);
MemberExpression actualHeightExp = LExpression.Property(borderExp, "ActualHeight");
MemberExpression actualWidthExp = LExpression.Property(borderExp, "ActualWidth");
Expression <Func <MainWindow, double> > actualHeightTargetExp = LExpression.Lambda <Func <MainWindow, double> >(actualHeightExp, new ParameterExpression[] { targetParameter });
Expression <Func <MainWindow, double> > actualWidthTargetExp = LExpression.Lambda <Func <MainWindow, double> >(actualWidthExp, new ParameterExpression[] { targetParameter });
windowClass.DisposeCollection.Add(windowClass.WhenAnyValue(actualHeightTargetExp)
.Subscribe(x => manager.ContainerHeight = x));
windowClass.DisposeCollection.Add(windowClass.WhenAnyValue(actualWidthTargetExp)
.Subscribe(x => manager.ContainerWidth = x));
}
