public LineHistogramDialog(ViewerForm form, ImageViewer viewer, bool isGray)
{
InitializeComponent();
_image = viewer.Image;
_isGrayScale = isGray;
_form = form;
_viewer = viewer;
_button = downButtonPosition.NONE;
_viewer.PostRender += new EventHandler <ImageViewerRenderEventArgs>(_viewer_PostRender);
}
void _viewer_MouseDown(object sender, MouseEventArgs e)
{
Point point = _viewer.PointToScreen(new Point(0, 0));
Cursor.Clip = new Rectangle(point.X + Math.Max(0, _viewer.ViewBounds.Left), point.Y + Math.Max(0, _viewer.ViewBounds.Top), _viewer.ViewBounds.Width, _viewer.ViewBounds.Height);
if (e.Button == MouseButtons.Left)
{
LeadPoint tmpPnt = _viewer.ConvertPoint(null, ImageViewerCoordinateType.Control, ImageViewerCoordinateType.Image, LeadPoint.Create(e.X, e.Y));
_pressed = true;
if (_cbMovable.Checked)
{
if (_startRect.Contains(tmpPnt.X, tmpPnt.Y))
{
_button = downButtonPosition.START_RECT;
}
else if (_endRect.Contains(tmpPnt.X, tmpPnt.Y))
{
_button = downButtonPosition.END_RECT;
}
else
{
_button = downButtonPosition.NONE;
_xEnd = _xStart = tmpPnt.X;
_yEnd = _yStart = tmpPnt.Y;
_numXStart.Text = _xStart.ToString();
_numYStart.Text = _yStart.ToString();
_startRect = new Rectangle(_ptStart.X - 10, _ptStart.Y - 10, 20, 20);
_endRect = new Rectangle(_ptEnd.X - 10, _ptEnd.Y - 10, 20, 20);
}
}
else
{
_xEnd = _xStart = tmpPnt.X;
_yEnd = _yStart = tmpPnt.Y;
_numXStart.Text = _xStart.ToString();
_numYStart.Text = _yStart.ToString();
}
}
}
