/// <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;
}
}
