void _viewer_MouseUp(object sender, MouseEventArgs e)
{
LeadPoint pixels = _form.PhysicalToLogical(new LeadPoint(e.X, e.Y));
LeadRect imageBounds = new LeadRect(0, 0, _viewer.Image.ImageWidth, _viewer.Image.ImageHeight);
if (imageBounds.Contains(pixels))
{
if (e.Button == MouseButtons.Left)
{
_movingPntIdx = -1;
}
}
}
void _viewer_MouseDown(object sender, MouseEventArgs e)
{
LeadPoint pixels = _form.PhysicalToLogical(new LeadPoint(e.X, e.Y));
LeadRect imageBounds = new LeadRect(0, 0, _viewer.Image.ImageWidth, _viewer.Image.ImageHeight);
if (imageBounds.Contains(pixels))
{
if (e.Button == MouseButtons.Left)
{
double xFactor = 1;
double yFactor = 1;
int xOffset = 0;
int yOffset = 0;
Point pnt = new Point((int)Math.Ceiling(((pixels.X - xOffset) * 1.0 / xFactor + 0.5)), (int)Math.Ceiling(((pixels.Y - yOffset) * 1.0 / yFactor + 0.5)));
_movingPntIdx = -1;
if (!_drawing)
{
Rectangle[] hyberAreas = new Rectangle[_unWarpPoints.Count];
for (int idx = 0; idx < hyberAreas.Length; idx++)
{
hyberAreas[idx] = CreateRectFromPoint(_unWarpPoints[idx], 20);
if (hyberAreas[idx].Contains(pnt))
{
_movingPntIdx = idx;
break;
}
}
}
if (_movingPntIdx == -1)
{
if (_unWarpPoints.Count < 4)
{
if (pnt.Equals(_lastPoint))
{
return;
}
_firstPointSelected = true;
_unWarpPoints.Add(pnt);
_currentMousePoint = pnt;
UpdateDialogPoints(_unWarpPoints.Count - 1, pnt);
_lastPoint = pnt;
}
if (_unWarpPoints.Count == 4)
{
for (int ii = 1; ii <= 2; ii++)
{
pnt.X = (_unWarpPoints[1].X - _unWarpPoints[0].X) * ii / 3 + _unWarpPoints[0].X;
pnt.Y = (_unWarpPoints[1].Y - _unWarpPoints[0].Y) * ii / 3 + _unWarpPoints[0].Y;
_currentMousePoint = pnt;
_unWarpPoints.Add(pnt);
Invalidate();
UpdateDialogPoints(_unWarpPoints.Count - 1, pnt);
}
for (int ii = 1; ii <= 2; ii++)
{
pnt.X = (_unWarpPoints[2].X - _unWarpPoints[3].X) * ii / 3 + _unWarpPoints[3].X;
pnt.Y = (_unWarpPoints[2].Y - _unWarpPoints[3].Y) * ii / 3 + _unWarpPoints[3].Y;
_unWarpPoints.Add(pnt);
Invalidate();
UpdateDialogPoints(_unWarpPoints.Count - 1, pnt);
}
_drawing = false;
_viewer.Invalidate();
_btnApply.Enabled = true;
}
}
}
}
}