private void MoveSelection(ICustomPaint theElement, int xOrigin, int yOrigin)
{
if (theElement.HorizontalAlignment == ICustomPaint.HorizontalAlignmentTypes.None)
{
theElement.X = xOrigin;
}
if (theElement.VerticalAlignment == ICustomPaint.VerticalAlignmentTypes.None)
{
theElement.Y = yOrigin;
}
selectionRectangle = new TrackerRectangle(theElement.GetRegion(), theElement.HorizontalAlignment, theElement.VerticalAlignment);
selectionRectangle.DrawSelectionTrackers((Bitmap)trackerImage);
}
public void UpdateSelection(ICustomPaint theSelection, int action)
{
if (theSelection != null)
{
if (action == 0)
{
selectionRectangle = new TrackerRectangle(theSelection.GetRegion(), theSelection.HorizontalAlignment, theSelection.VerticalAlignment);
trackerImage = (Bitmap)drawingImage.Clone();
selectionRectangle.DrawSelectionTrackers((Bitmap)trackerImage);
PaintImage(trackerImage);
selectedObjects.Clear();
selectedObjects.Add(theSelection);
}
else if (action == 1)
{
selectionRectangle = new TrackerRectangle(theSelection.GetRegion(), theSelection.HorizontalAlignment, theSelection.VerticalAlignment);
selectionRectangle.DrawSelectionTrackers((Bitmap)trackerImage);
PaintImage(trackerImage);
selectedObjects.Add(theSelection);
}
else if (action == 2)
{
selectedObjects.Remove(theSelection);
DoPaint();
}
}
else
{
selectedObjects.Clear();
selectionRectangle = null;
trackerImage = (Bitmap)drawingImage.Clone();
PaintImage(drawingImage);
}
}
public void SelectObject(ICustomPaint theSelection)
{
if (theSelection != null)
{
selectedObject = theSelection;
selectionRectangle = new TrackerRectangle(theSelection.GetRegion(), theSelection.HorizontalAlignment, theSelection.VerticalAlignment);
trackerImage = (Bitmap)drawingImage.Clone();
selectionRectangle.DrawSelectionTrackers((Bitmap)trackerImage);
PaintImage(trackerImage);
}
else
{
selectedObject = null;
selectionRectangle = null;
PaintImage(drawingImage);
}
}
private void PaintSelection(Graphics g)
{
if (selectionRectangle == null)
{
return;
}
trackerImage.Dispose();
trackerImage = new Bitmap(this.ClientRectangle.Width, this.ClientRectangle.Height);
foreach (ICustomPaint CurrentObject in this.selectedObjects)
{
ICustomPaint obj = (ICustomPaint)CurrentObject;
selectionRectangle = new TrackerRectangle(obj.GetRegion(), obj.HorizontalAlignment, obj.VerticalAlignment);
selectionRectangle.DrawSelectionTrackers((Bitmap)trackerImage);
}
PaintImage(trackerImage);
}
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;
}
}
