private void surface_MouseDown(object sender, MouseEventArgs e)
{
if (!DataReady)
{
return;
}
bool outOfSurface;
var point2D = Surface2Image(new Point(e.X, e.Y), out outOfSurface);
var cropLock = MouseOverCropBox(point2D);
if (cropLock != CropLock.None)
{
_cropLock = cropLock;
Cursor = Cursors.SizeAll;
}
}
private void surface_MouseUp(object sender, MouseEventArgs e)
{
_cropLock = CropLock.None;
Cursor = Cursors.Default;
}
