602 lines
22 KiB
C#
602 lines
22 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Kitware.VTK;
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using System.Drawing;
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using System.Windows.Forms;
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namespace vtkControl
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{
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enum vtkMaxWidgetPosition
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{
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FromBottomLeft,
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FromTopLeft,
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HorizontallyRelative
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}
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class vtkMaxBorderWidget
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{
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// Variables
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protected vtkCoordinate _positionCoordinate;
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//
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protected vtkPolyDataMapper2D _borderMapper;
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protected vtkActor2D _borderActor;
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protected vtkPolyDataMapper2D _backgroundMapper;
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protected vtkActor2D _backgroundActor;
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//
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protected vtkRenderer _renderer;
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protected vtkRenderWindowInteractor _renderWindowInteractor;
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//
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protected bool _visibility;
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protected bool _borderVisibility;
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protected bool _backgroundVisibility;
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protected bool _keepInsideVisibleBounds;
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protected bool _scaleBySectors;
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protected int _quadrant;
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protected int[] _prevWindowSize;
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protected double[] _position;
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protected double[] _size;
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protected vtkMaxWidgetPosition _widgetPosition;
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//
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protected int[] _clickPos;
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// Events
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public event Action<object, MouseEventArgs> MouseDoubleClick;
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// Constructors
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public vtkMaxBorderWidget()
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{
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_positionCoordinate = vtkCoordinate.New();
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_positionCoordinate.SetCoordinateSystemToDisplay();
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//
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_visibility = true;
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_borderVisibility = true;
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_backgroundVisibility = true;
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_keepInsideVisibleBounds = true;
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_position = null;
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_prevWindowSize = new int[] { 0, 0 };
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_scaleBySectors = true;
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//
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_position = new double[] { 100, 100 };
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_size = new double[] { 100, 100 };
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_widgetPosition = vtkMaxWidgetPosition.FromBottomLeft;
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//
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_clickPos = null;
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// Border
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vtkPoints points = vtkPoints.New();
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points.InsertNextPoint(_position[0], _position[1], 0);
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points.InsertNextPoint(_position[0] + _size[0], _position[1], 0);
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points.InsertNextPoint(_position[0] + _size[0], _position[1] + _size[1], 0);
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points.InsertNextPoint(_position[0], _position[1] + _size[1], 0);
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//
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vtkCellArray lines = vtkCellArray.New();
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lines.InsertNextCell(2);
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lines.InsertCellPoint(0);
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lines.InsertCellPoint(1);
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//
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lines.InsertNextCell(2);
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lines.InsertCellPoint(1);
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lines.InsertCellPoint(2);
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//
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lines.InsertNextCell(2);
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lines.InsertCellPoint(2);
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lines.InsertCellPoint(3);
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//
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lines.InsertNextCell(2);
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lines.InsertCellPoint(3);
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lines.InsertCellPoint(0);
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//
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vtkPolyData scalarBarPolyData = vtkPolyData.New();
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scalarBarPolyData.SetPoints(points);
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scalarBarPolyData.SetLines(lines);
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//
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_borderMapper = vtkPolyDataMapper2D.New();
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_borderMapper.SetInput(scalarBarPolyData);
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//
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_borderActor = vtkActor2D.New();
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_borderActor.SetMapper(_borderMapper);
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_borderActor.GetProperty().SetColor(0, 0, 0);
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// Background
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vtkCellArray backgroundPolygon = vtkCellArray.New();
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backgroundPolygon.InsertNextCell(4);
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backgroundPolygon.InsertCellPoint(0);
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backgroundPolygon.InsertCellPoint(1);
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backgroundPolygon.InsertCellPoint(2);
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backgroundPolygon.InsertCellPoint(3);
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//
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vtkPolyData backgroundPolyData = vtkPolyData.New();
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backgroundPolyData.SetPoints(_borderMapper.GetInput().GetPoints());
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backgroundPolyData.SetPolys(backgroundPolygon);
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//
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_backgroundMapper = vtkPolyDataMapper2D.New();
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_backgroundMapper.SetInput(backgroundPolyData);
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//
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_backgroundActor = vtkActor2D.New();
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_backgroundActor.SetMapper(_backgroundMapper);
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_backgroundActor.GetProperty().SetColor(1, 1, 1);
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}
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// Event handlers
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void renderWindow_ModifiedEvt(vtkObject sender, vtkObjectEventArgs e)
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{
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int[] windowSize = _renderer.GetSize();
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if (windowSize[0] != _prevWindowSize[0] || windowSize[1] != _prevWindowSize[1])
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{
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OnRenderWindowModified();
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}
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_renderer.GetSize().CopyTo(_prevWindowSize, 0);
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}
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// Public methods
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public virtual void VisibilityOn()
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{
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if (_visibility == false)
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{
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OnSizeChanged();
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_visibility = true;
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if (_backgroundVisibility == true && _backgroundActor != null) _renderer.AddActor(_backgroundActor);
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if (_borderVisibility == true &&_borderActor != null) _renderer.AddActor(_borderActor);
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}
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}
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public virtual void VisibilityOff()
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{
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if (_visibility == true)
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{
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_visibility = false;
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if (_borderActor != null) _renderer.RemoveActor(_borderActor);
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if (_backgroundActor != null) _renderer.RemoveActor(_backgroundActor);
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}
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}
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public void BorderVisibilityOn()
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{
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if (_borderVisibility == false)
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{
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_borderVisibility = true;
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if (_borderActor != null) _renderer.AddActor(_borderActor);
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}
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}
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public void BorderVisibilityOff()
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{
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if (_borderVisibility == true)
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{
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_borderVisibility = false;
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if (_borderActor != null) _renderer.RemoveActor(_borderActor);
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}
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}
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public virtual void BackgroundVisibilityOn()
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{
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if (_backgroundVisibility == false)
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{
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_backgroundVisibility = true;
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if (_borderVisibility == true) _renderer.RemoveActor(_borderActor); // remove border
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if (_backgroundActor != null) _renderer.AddActor(_backgroundActor);
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if (_borderVisibility == true) _renderer.AddActor(_borderActor); // add border back
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}
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}
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public virtual void BackgroundVisibilityOff()
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{
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if (_backgroundVisibility == true)
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{
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_backgroundVisibility = false;
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if (_backgroundActor != null) _renderer.RemoveActor(_backgroundActor);
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}
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}
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public virtual void KeepInsideVisibleBoundsOn()
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{
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_keepInsideVisibleBounds = true;
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}
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public virtual void KeepInsideVisibleBoundsOff()
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{
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_keepInsideVisibleBounds = false;
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}
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//
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public virtual void OnRenderWindowModified()
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{
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// triggered at window resized
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if (!_visibility) return;
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// set the widget position in relation to the windows borders
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if (_position != null && _prevWindowSize[0] != 0 && _prevWindowSize[0] != 0)
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{
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int[] windowSize = _renderer.GetSize();
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if (windowSize[0] != _prevWindowSize[0] || windowSize[1] != _prevWindowSize[1])
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{
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if (_widgetPosition == vtkMaxWidgetPosition.HorizontallyRelative)
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{
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double center = (_position[0] + _size[0] / 2) / _prevWindowSize[0];
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_position[0] = windowSize[0] * center - _size[0] / 2;
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}
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else
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{
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double dx = 0;
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double dy = 0;
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if (_quadrant == 2 || _quadrant == 3)
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{
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dx = windowSize[0] - _prevWindowSize[0];
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}
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if (_quadrant == 3 || _quadrant == 4)
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{
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dy = windowSize[1] - _prevWindowSize[1];
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}
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if (_scaleBySectors)
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{
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_position[0] += dx;
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_position[1] += dy;
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OnMovedOrSizeChanged();
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}
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}
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}
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}
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}
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public virtual void OnMovedOrSizeChanged()
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{
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// Triggered by moving the widget
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if (_renderer == null) return;
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// if this function is called when the renderer is not yet loaded, return
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int[] size = _renderer.GetSize();
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if (size[0] == 0 && size[1] == 0) return;
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//
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double[] max = new double[] { size[0] - _size[0], size[1] - _size[1] };
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//
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if (_widgetPosition == vtkMaxWidgetPosition.FromTopLeft)
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{
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_position[1] = size[1] - _size[1] - _position[1];
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}
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if (_keepInsideVisibleBounds)
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{
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// Check if widget fits into window to prevent looping
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if (_size[0] < size[0] && _size[1] < size[1])
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{
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// Prevent the widget from going off the window
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if (_position[0] < 0 || _position[0] > max[0] || _position[1] < 0 || _position[1] > max[1])
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{
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if (_position[0] < 0) _position[0] = 0;
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else if (_position[0] > max[0]) _position[0] = max[0];
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if (_position[1] < 0) _position[1] = 0;
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else if (_position[1] > max[1]) _position[1] = max[1];
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}
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}
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}
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//
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if (_widgetPosition == vtkMaxWidgetPosition.FromTopLeft)
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{
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_position[1] = size[1] - _size[1] - _position[1];
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}
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//
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double[] center = new double[] { _position[0] + _size[0] / 2, _position[1] + _size[1] / 2 };
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// Determine the quadrant
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double[] rendererCenter = new double[] { size[0] * 0.5, size[1] * 0.5 }; // * 0.5 for the change to double
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if (center[0] < rendererCenter[0] && center[1] < rendererCenter[1]) _quadrant = 1;
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else if (center[0] > rendererCenter[0] && center[1] < rendererCenter[1]) _quadrant = 2;
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else if (center[0] > rendererCenter[0] && center[1] > rendererCenter[1]) _quadrant = 3;
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else if (center[0] < rendererCenter[0] && center[1] > rendererCenter[1]) _quadrant = 4;
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//
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UpdateBorderGeometry();
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}
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public virtual void OnSizeChanged()
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{
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OnMovedOrSizeChanged();
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}
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//
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public virtual bool LeftButtonPress(MouseEventArgs e)
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{
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if (!_visibility) return false;
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//
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int[] size = _renderer.GetSize();
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double[] position = _position.ToArray();
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if (_widgetPosition == vtkMaxWidgetPosition.FromTopLeft)
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{
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position[1] = size[1] - _size[1] - position[1];
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}
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// Inside click
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if (e.Location.X >= position[0] && e.Location.X <= position[0] + _size[0] &&
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e.Location.Y >= position[1] && e.Location.Y <= position[1] + _size[1])
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{
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//System.Diagnostics.Debug.WriteLine(DateTime.Now.Millisecond);
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// Double click
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if (e.Clicks == 2)
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{
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MouseDoubleClick?.Invoke(this, e);
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return true;
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}
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// Single click
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else
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{
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_clickPos = new int[] { e.Location.X, e.Location.Y };
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//
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//_borderActor.GetProperty().SetColor(1, 0, 0);
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//
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return true;
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}
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}
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// Outside click
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else
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{
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//_borderActor.GetProperty().SetColor(0, 0, 0);
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//
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return false;
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}
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}
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public bool LeftButtonRelease(int x, int y)
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{
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if (!_visibility) return false;
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//
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if (_clickPos != null)
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{
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int[] size = _renderer.GetSize();
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double[] position = _position.ToArray();
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if (_widgetPosition == vtkMaxWidgetPosition.FromTopLeft)
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{
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position[1] = size[1] - _size[1] - position[1];
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}
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// Inside release
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if (x >= position[0] && x <= position[0] + _size[0] && y >= position[1] && y <= position[1] + _size[1])
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{
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_clickPos = null;
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return true;
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}
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// Outside release
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else
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{
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_clickPos = null;
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return true;
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}
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}
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//
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return false;
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}
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public virtual void MiddleButtonPress(int x, int y)
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{
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if (!_visibility) return;
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}
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public virtual void MiddleButtonRelease(int x, int y)
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{
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if (!_visibility) return;
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}
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public bool RightButtonPress(int x, int y)
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{
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|
|
if (!_visibility) return false;
|
|||
|
|
|
|||
|
|
int[] size = _renderer.GetSize();
|
|||
|
|
double[] position = _position.ToArray();
|
|||
|
|
if (_widgetPosition == vtkMaxWidgetPosition.FromTopLeft)
|
|||
|
|
{
|
|||
|
|
position[1] = size[1] - _size[1] - position[1];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (x >= position[0] && x <= position[0] + _size[0] &&
|
|||
|
|
y >= position[1] && y <= position[1] + _size[1])
|
|||
|
|
{
|
|||
|
|
// inside click
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
//
|
|||
|
|
public virtual bool MouseOver(int x, int y)
|
|||
|
|
{
|
|||
|
|
if (!_visibility) return false;
|
|||
|
|
//
|
|||
|
|
int[] size = _renderer.GetSize();
|
|||
|
|
double[] position = _position.ToArray();
|
|||
|
|
if (_widgetPosition == vtkMaxWidgetPosition.FromTopLeft)
|
|||
|
|
{
|
|||
|
|
position[1] = size[1] - _size[1] - position[1];
|
|||
|
|
}
|
|||
|
|
//
|
|||
|
|
if (x >= position[0] && x <= position[0] + _size[0] &&
|
|||
|
|
y >= position[1] && y <= position[1] + _size[1])
|
|||
|
|
{
|
|||
|
|
// inside click
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
public virtual bool MouseMove(int x, int y)
|
|||
|
|
{
|
|||
|
|
if (!_visibility) return false;
|
|||
|
|
//
|
|||
|
|
if (_clickPos != null)
|
|||
|
|
{
|
|||
|
|
int[] delta = new int[] { x - _clickPos[0], y - _clickPos[1] };
|
|||
|
|
_position[0] += delta[0];
|
|||
|
|
if (_widgetPosition == vtkMaxWidgetPosition.FromBottomLeft) _position[1] += delta[1];
|
|||
|
|
else if (_widgetPosition == vtkMaxWidgetPosition.FromTopLeft) _position[1] -= delta[1];
|
|||
|
|
else if (_widgetPosition == vtkMaxWidgetPosition.HorizontallyRelative) _position[1] += delta[1];
|
|||
|
|
else throw new NotSupportedException();
|
|||
|
|
//
|
|||
|
|
_clickPos[0] = x;
|
|||
|
|
_clickPos[1] = y;
|
|||
|
|
//
|
|||
|
|
UpdateBorderGeometry();
|
|||
|
|
OnMovedOrSizeChanged();
|
|||
|
|
//
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
else return false;
|
|||
|
|
}
|
|||
|
|
public virtual void MousePan(int dx, int dy)
|
|||
|
|
{
|
|||
|
|
if (!_visibility) return;
|
|||
|
|
}
|
|||
|
|
public virtual void MouseRotate(double azimuthAngle, double ElevationAngle)
|
|||
|
|
{
|
|||
|
|
if (!_visibility) return;
|
|||
|
|
}
|
|||
|
|
public virtual void MouseWheelScrolled()
|
|||
|
|
{
|
|||
|
|
if (!_visibility) return;
|
|||
|
|
}
|
|||
|
|
public virtual void CameraModified()
|
|||
|
|
{
|
|||
|
|
if (!_visibility) return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
// Private methods
|
|||
|
|
public virtual void UpdateBorderGeometry()
|
|||
|
|
{
|
|||
|
|
int[] size = _renderer.GetSize();
|
|||
|
|
double[] position = _position.ToArray();
|
|||
|
|
if (_widgetPosition == vtkMaxWidgetPosition.FromTopLeft)
|
|||
|
|
{
|
|||
|
|
position[1] = size[1] - _size[1] - position[1];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
_positionCoordinate.SetValue(position[0], position[1], 0);
|
|||
|
|
|
|||
|
|
vtkPoints points = _borderMapper.GetInput().GetPoints();
|
|||
|
|
points.SetPoint(0, position[0], position[1], 0);
|
|||
|
|
points.SetPoint(1, position[0] + _size[0], position[1], 0);
|
|||
|
|
points.SetPoint(2, position[0] + _size[0], position[1] + _size[1], 0);
|
|||
|
|
points.SetPoint(3, position[0], position[1] + _size[1], 0);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
// Public setters
|
|||
|
|
public virtual void SetInteractor(vtkRenderer renderer, vtkRenderWindowInteractor renderWindowInteractor)
|
|||
|
|
{
|
|||
|
|
// Dereference
|
|||
|
|
if (_renderWindowInteractor != null && _renderWindowInteractor.GetRenderWindow() != null)
|
|||
|
|
_renderWindowInteractor.GetRenderWindow().ModifiedEvt -= renderWindow_ModifiedEvt;
|
|||
|
|
// Get pointers
|
|||
|
|
if (renderWindowInteractor == null) return;
|
|||
|
|
_renderWindowInteractor = renderWindowInteractor;
|
|||
|
|
_renderer = renderer;
|
|||
|
|
// Reference
|
|||
|
|
_renderWindowInteractor.GetRenderWindow().ModifiedEvt += renderWindow_ModifiedEvt;
|
|||
|
|
// Add widget
|
|||
|
|
if (_renderWindowInteractor.GetInteractorStyle() is vtkInteractorStyleControl visc) visc.AddVtkMaxWidget(this);
|
|||
|
|
//
|
|||
|
|
_renderer.AddActor(_backgroundActor);
|
|||
|
|
_renderer.AddActor(_borderActor);
|
|||
|
|
}
|
|||
|
|
public virtual void RemoveInteractor()
|
|||
|
|
{
|
|||
|
|
// Dereference
|
|||
|
|
if (_renderWindowInteractor != null && _renderWindowInteractor.GetRenderWindow() != null)
|
|||
|
|
_renderWindowInteractor.GetRenderWindow().ModifiedEvt -= renderWindow_ModifiedEvt;
|
|||
|
|
// Remove widget
|
|||
|
|
if (_renderWindowInteractor.GetInteractorStyle() is vtkInteractorStyleControl visc) visc.RemoveVtkMaxWidget(this);
|
|||
|
|
//
|
|||
|
|
_renderer.RemoveActor(_backgroundActor);
|
|||
|
|
_renderer.RemoveActor(_borderActor);
|
|||
|
|
// Pointers
|
|||
|
|
_renderWindowInteractor = null;
|
|||
|
|
_renderer = null;
|
|||
|
|
}
|
|||
|
|
//
|
|||
|
|
public void SetPosition(double x, double y)
|
|||
|
|
{
|
|||
|
|
_widgetPosition = vtkMaxWidgetPosition.FromBottomLeft;
|
|||
|
|
//
|
|||
|
|
_position[0] = x;
|
|||
|
|
_position[1] = y;
|
|||
|
|
//
|
|||
|
|
OnMovedOrSizeChanged();
|
|||
|
|
}
|
|||
|
|
public void SetTopLeftPosition(int x, int y)
|
|||
|
|
{
|
|||
|
|
_widgetPosition = vtkMaxWidgetPosition.FromTopLeft;
|
|||
|
|
//
|
|||
|
|
_position[0] = x;
|
|||
|
|
_position[1] = y;
|
|||
|
|
//
|
|||
|
|
OnMovedOrSizeChanged();
|
|||
|
|
}
|
|||
|
|
public void SetHorizontallyRelativePosition(double x, double y)
|
|||
|
|
{
|
|||
|
|
_widgetPosition = vtkMaxWidgetPosition.HorizontallyRelative;
|
|||
|
|
//
|
|||
|
|
_position[0] = x;
|
|||
|
|
_position[1] = y;
|
|||
|
|
//
|
|||
|
|
OnMovedOrSizeChanged();
|
|||
|
|
}
|
|||
|
|
public void SetNormalizedPosition(double x, double y)
|
|||
|
|
{
|
|||
|
|
double[] position = new double[] { x, y };
|
|||
|
|
_renderer.NormalizedDisplayToDisplay(ref position[0], ref position[1]);
|
|||
|
|
SetPosition(position[0], position[1]);
|
|||
|
|
}
|
|||
|
|
public void SetBorderColor(double r, double g, double b)
|
|||
|
|
{
|
|||
|
|
_borderActor.GetProperty().SetColor(r, g, b);
|
|||
|
|
}
|
|||
|
|
public void SetBackgroundColor(double r, double g, double b)
|
|||
|
|
{
|
|||
|
|
_backgroundActor.GetProperty().SetColor(r, g, b);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
// Public getters
|
|||
|
|
public int GetVisibility()
|
|||
|
|
{
|
|||
|
|
if (_visibility) return 1;
|
|||
|
|
else return 0;
|
|||
|
|
}
|
|||
|
|
public int GetBorderVisibility()
|
|||
|
|
{
|
|||
|
|
if (_borderVisibility) return 1;
|
|||
|
|
else return 0;
|
|||
|
|
}
|
|||
|
|
public int GetBackgroundVisibility()
|
|||
|
|
{
|
|||
|
|
if (_backgroundVisibility) return 1;
|
|||
|
|
else return 0;
|
|||
|
|
}
|
|||
|
|
//
|
|||
|
|
public CaeMesh.BoundingBox GetBoundingBox()
|
|||
|
|
{
|
|||
|
|
CaeMesh.BoundingBox box = new CaeMesh.BoundingBox();
|
|||
|
|
box.MinX = _position[0];
|
|||
|
|
box.MaxX = _position[0] + _size[0];
|
|||
|
|
box.MinY = _position[1];
|
|||
|
|
box.MaxY = _position[1] + _size[1];
|
|||
|
|
box.MinZ = 0;
|
|||
|
|
box.MaxZ = 1;
|
|||
|
|
return box;
|
|||
|
|
}
|
|||
|
|
public int GetWidth()
|
|||
|
|
{
|
|||
|
|
return (int)Math.Round(_size[0], MidpointRounding.AwayFromZero);
|
|||
|
|
}
|
|||
|
|
public int GetHeight()
|
|||
|
|
{
|
|||
|
|
return (int)Math.Round(_size[1], MidpointRounding.AwayFromZero);
|
|||
|
|
}
|
|||
|
|
public Rectangle GetRectangle()
|
|||
|
|
{
|
|||
|
|
Point location = new Point((int)Math.Round(_position[0], MidpointRounding.AwayFromZero),
|
|||
|
|
(int)Math.Round(_position[1], MidpointRounding.AwayFromZero));
|
|||
|
|
Size size = new Size((int)Math.Round(_size[0], MidpointRounding.AwayFromZero),
|
|||
|
|
(int)Math.Round(_size[1], MidpointRounding.AwayFromZero));
|
|||
|
|
return new Rectangle(location, size);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public vtkProperty2D GetBorderProperty()
|
|||
|
|
{
|
|||
|
|
return _borderActor.GetProperty();
|
|||
|
|
}
|
|||
|
|
public vtkProperty2D GetBackgroundProperty()
|
|||
|
|
{
|
|||
|
|
return _backgroundActor.GetProperty();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
}
|