/// <summary> /// Check point position to see if it's on tracker /// </summary> /// <param name="point">Current Point Position</param> /// <returns></returns> public bool Hit_Test(Point point) { //Check if the point is somewhere on the tracker if (!ControlRect.Contains(point)) { //should never happen Cursor.Current = Cursors.Arrow; return(false); } else if (SmallRect[0].Contains(point)) { Cursor.Current = Cursors.SizeNWSE; CurrBorder = RESIZE_BORDER.RB_TOPLEFT; } else if (SmallRect[3].Contains(point)) { Cursor.Current = Cursors.SizeNWSE; CurrBorder = RESIZE_BORDER.RB_BOTTOMRIGHT; } else if (SmallRect[1].Contains(point)) { Cursor.Current = Cursors.SizeNESW; CurrBorder = RESIZE_BORDER.RB_TOPRIGHT; } else if (SmallRect[2].Contains(point)) { Cursor.Current = Cursors.SizeNESW; CurrBorder = RESIZE_BORDER.RB_BOTTOMLEFT; } else if (SmallRect[4].Contains(point)) { Cursor.Current = Cursors.SizeNS; CurrBorder = RESIZE_BORDER.RB_TOP; } else if (SmallRect[5].Contains(point)) { Cursor.Current = Cursors.SizeNS; CurrBorder = RESIZE_BORDER.RB_BOTTOM; } else if (SmallRect[6].Contains(point)) { Cursor.Current = Cursors.SizeWE; CurrBorder = RESIZE_BORDER.RB_LEFT; } else if (SmallRect[7].Contains(point)) { Cursor.Current = Cursors.SizeWE; CurrBorder = RESIZE_BORDER.RB_RIGHT; } else if (ControlRect.Contains(point)) { Cursor.Current = Cursors.SizeAll; CurrBorder = RESIZE_BORDER.RB_NONE; } return(true); }
private void CalculateStretchOffsets(int mouseX, int mouseY, ref int xOffset, ref int yOffset, RESIZE_BORDER border) { ICustomPaint theObject = moveReferenceObject; switch (border) { case RESIZE_BORDER.TOP: yOffset = mouseY - theObject.Y; xOffset = 0; break; case RESIZE_BORDER.BOTTOM: yOffset = mouseY - (theObject.Y + theObject.Height); xOffset = 0; break; case RESIZE_BORDER.LEFT: yOffset = 0; xOffset = mouseX - theObject.X; break; case RESIZE_BORDER.RIGHT: yOffset = 0; xOffset = mouseX - (theObject.X + theObject.Width); break; default: yOffset = 0; xOffset = 0; break; } }
public void DesignPane_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e) { if (mouseDown) { if (mMouseMode == MOUSE_MODE.SELECTED) { if (mBorder != RESIZE_BORDER.NONE) { int xOffset = 0; int yOffset = 0; CalculateStretchOffsets(e.X, e.Y, ref xOffset, ref yOffset, mBorder); trackerImage.Dispose(); trackerImage = (Bitmap)drawingImage.Clone(); for (int i = 0; i < selectedObjects.Count; i++) { ICustomPaint theObject = (ICustomPaint)selectedObjects[i]; switch (mBorder) { case RESIZE_BORDER.TOP: if (theObject.Height - yOffset >= 0) { if (theObject.VerticalAlignment == ICustomPaint.VerticalAlignmentTypes.None) { theObject.Height -= yOffset; theObject.Y += yOffset; } else if (theObject.VerticalAlignment == ICustomPaint.VerticalAlignmentTypes.Bottom || selectedObject.VerticalAlignment == ICustomPaint.VerticalAlignmentTypes.Middle) { theObject.Y += yOffset; } } break; case RESIZE_BORDER.RIGHT: if (theObject.Width + xOffset >= 0) { theObject.Width += xOffset; } break; case RESIZE_BORDER.BOTTOM: if (theObject.Height + yOffset >= 0) { theObject.Height += yOffset; } break; case RESIZE_BORDER.LEFT: if (theObject.Width - xOffset >= 0) { if (theObject.HorizontalAlignment == ICustomPaint.HorizontalAlignmentTypes.None) { theObject.Width -= xOffset; theObject.X += xOffset; } else if (theObject.HorizontalAlignment == ICustomPaint.HorizontalAlignmentTypes.Right || theObject.HorizontalAlignment == ICustomPaint.HorizontalAlignmentTypes.Center) { theObject.X += xOffset; } } break; } TrackerRectangle selRectangle = new TrackerRectangle(theObject.GetRegion(), theObject.HorizontalAlignment, theObject.VerticalAlignment); selRectangle.DrawSelectionTrackers((Bitmap)trackerImage); } PaintImage(trackerImage); shouldRepaint = true; } else { if (Math.Abs(e.X - ptStart.X) > 0 || Math.Abs(e.Y - ptStart.Y) > 0) { trackerImage.Dispose(); trackerImage = (Bitmap)drawingImage.Clone(); for (int i = 0; i < selectedObjects.Count; i++) { ICustomPaint theObject = (ICustomPaint)selectedObjects[i]; MoveSelection(theObject, theObject.X + e.X - ptStart.X, theObject.Y + e.Y - ptStart.Y); } PaintImage(trackerImage); ptStart = new Point(e.X, e.Y); shouldRepaint = true; } } if (OnMoving != null && selectedObjects.Count > 0) { OnMoving((ICustomPaint)selectedObjects[selectedObjects.Count - 1]); } } } else { if (selectedObjects.Count > 0) { for (int i = 0; i < selectedObjects.Count; i++) { ICustomPaint theObject = (ICustomPaint)selectedObjects[i]; Rectangle theArea = theObject.GetRegion(); theArea.Offset(-TrackerRectangle.m_nOffset, -TrackerRectangle.m_nOffset); theArea.Inflate(2 * TrackerRectangle.m_nOffset, 2 * TrackerRectangle.m_nOffset); if (theArea.Contains(e.X, e.Y)) { TrackerRectangle tmp = new TrackerRectangle(theObject.GetRegion(), theObject.HorizontalAlignment, theObject.VerticalAlignment); int nResult = 0; this.Cursor = tmp.CursorCheck(new Point(e.X, e.Y), ref nResult); this.mBorder = (RESIZE_BORDER)nResult; moveReferenceObject = (ICustomPaint)selectedObjects[i]; return; } } } this.Cursor = Cursors.Default; } }