/// <summary> /// Add new object to draw area. Function is called when user left-clicks draw area, and one of ToolObject-derived tools is active. /// </summary> /// <param name="drawArea"> </param> /// <param name="o"> </param> protected void AddNewObject(TransparentCanvas drawArea, DrawObject o) { drawArea.GraphicsList.UnselectAll(); o.Selected = true; drawArea.GraphicsList.Add(o); drawArea.Capture = true; drawArea.Refresh(); drawArea.SetDirty(); }
/// <summary> /// Add new object to draw area. Function is called when user left-clicks draw area, and one of ToolObject-derived tools is active. /// </summary> /// <param name="drawArea"> </param> /// <param name="o"> </param> protected void AddNewObject(TransparentCanvas drawArea, DrawObject o) { drawArea.GraphicsList.UnselectAll(); o.Selected = true; drawArea.GraphicsList.Add(o); drawArea.Capture = true; drawArea.Refresh(); drawArea.SetDirty(); }
/// <summary> /// Mouse is moved. None button is pressed, or left button is pressed. /// </summary> /// <param name="drawArea"> </param> /// <param name="e"> </param> public override void OnMouseMove(TransparentCanvas drawArea, MouseEventArgs e) { Point point = new Point(e.X, e.Y); Point oldPoint = _lastPoint; _wasMove = true; // set cursor when mouse button is not pressed if (e.Button == MouseButtons.None) { Cursor cursor = null; for (int i = 0; i < drawArea.GraphicsList.Count; i++) { int n = drawArea.GraphicsList[i].HitTest(point); if (n > 0) { cursor = drawArea.GraphicsList[i].GetHandleCursor(n); break; } } if (cursor == null) { cursor = Cursors.Default; } drawArea.Cursor = cursor; return; } if (e.Button != MouseButtons.Left) { return; } // Find difference between previous and current position int dx = e.X - _lastPoint.X; int dy = e.Y - _lastPoint.Y; _lastPoint.X = e.X; _lastPoint.Y = e.Y; // resize if (_selectMode == SelectionMode.Size) { if (_resizedObject != null) { _resizedObject.MoveHandleTo(point, _resizedObjectHandle); drawArea.SetDirty(); drawArea.Refresh(); } } // move if (_selectMode == SelectionMode.Move) { foreach (DrawObject o in drawArea.GraphicsList.Selection) { o.Move(dx, dy); } drawArea.Cursor = Cursors.SizeAll; drawArea.SetDirty(); drawArea.Refresh(); } if (_selectMode == SelectionMode.NetSelection) { // Remove old selection rectangle ControlPaint.DrawReversibleFrame( drawArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(_startPoint, oldPoint)), Color.Black, FrameStyle.Dashed); // Draw new selection rectangle ControlPaint.DrawReversibleFrame( drawArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(_startPoint, point)), Color.Black, FrameStyle.Dashed); } }
/// <summary> /// Mouse is moved. None button is pressed, or left button is pressed. /// </summary> /// <param name="drawArea"> </param> /// <param name="e"> </param> public override void OnMouseMove(TransparentCanvas drawArea, MouseEventArgs e) { Point point = new Point(e.X, e.Y); Point oldPoint = _lastPoint; _wasMove = true; // set cursor when mouse button is not pressed if (e.Button == MouseButtons.None) { Cursor cursor = null; for (int i = 0; i < drawArea.GraphicsList.Count; i++) { int n = drawArea.GraphicsList[i].HitTest(point); if (n > 0) { cursor = drawArea.GraphicsList[i].GetHandleCursor(n); break; } } if (cursor == null) { cursor = Cursors.Default; } drawArea.Cursor = cursor; return; } if (e.Button != MouseButtons.Left) { return; } // Find difference between previous and current position int dx = e.X - _lastPoint.X; int dy = e.Y - _lastPoint.Y; _lastPoint.X = e.X; _lastPoint.Y = e.Y; // resize if (_selectMode == SelectionMode.Size) { if (_resizedObject != null) { _resizedObject.MoveHandleTo(point, _resizedObjectHandle); drawArea.SetDirty(); drawArea.Refresh(); } } // move if (_selectMode == SelectionMode.Move) { foreach (DrawObject o in drawArea.GraphicsList.Selection) { o.Move(dx, dy); } drawArea.Cursor = Cursors.SizeAll; drawArea.SetDirty(); drawArea.Refresh(); } if (_selectMode == SelectionMode.NetSelection) { // Remove old selection rectangle ControlPaint.DrawReversibleFrame( drawArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(_startPoint, oldPoint)), Color.Black, FrameStyle.Dashed); // Draw new selection rectangle ControlPaint.DrawReversibleFrame( drawArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(_startPoint, point)), Color.Black, FrameStyle.Dashed); } }