private void picturebox_MouseMove(object sender, MouseEventArgs e)
{
if (dragging)
{
PointF delta = e.Location.Subtract(drag_origin);
if (dragmode == 1)
{
_selection = drag_select.Add(delta);
}
else if (dragmode == 2)
{
float w = drag_select.Width / 2f, h = drag_select.Height / 2f;
if (delta.X > delta.Y)
{
w = Math.Max(20f, w + delta.X);
h = w * (float)AspectRatio;
}
else
{
h = Math.Max(20 * (float)AspectRatio, h + delta.Y);
w = h / (float)AspectRatio;
}
h = (float)Math.Round(h);
w = (float)Math.Round(w);
_selection = new RectangleF(drag_cent.X - w, drag_cent.Y - h, w * 2, h * 2);
}
picturebox.Invalidate();
}
else
{
picturebox.Cursor = imgcurs[imageZone(e.X, e.Y)];
}
}