static public Point GetZoomGaze()
{
ZoomBounds z = zoomBounds;
float screenX = z.source.X + (smoothX - z.big.X) / z.zoomFactor;
float screenY = z.source.Y + (smoothY - z.big.Y) / z.zoomFactor;
return(new Point((int)screenX, (int)screenY));
}
public static void Zoom(bool autoClick = false)
{
ZoomBounds z = new ZoomBounds(gazeX, gazeY);
zoomBounds = z;
mainForm.Invoke((Action)(() =>
{
if (zoomForm == null)
{
zoomForm = new Form();
zoomForm.Text = "Zoom";
zoomForm.FormBorderStyle = FormBorderStyle.None;
zoomForm.ShowInTaskbar = false;
zoomForm.TopMost = true;
//zoomForm.Opacity = 0.7f;
//zoomForm.TransparencyKey = Color.Red;
zoomForm.FormClosed += OnZoomFormClosed;
zoomPicture = new ZoomControl();
zoomPicture.Parent = zoomForm;
zoomPicture.Paint += ZoomFormPaint;
}
zoomForm.Width = z.big.Width;
zoomForm.Height = z.big.Height;
zoomPicture.Width = z.big.Width;
zoomPicture.Height = z.big.Height;
zoomForm.Hide();
//lock (bitmapLock)
{
if (zoomBitmap != null)
{
zoomBitmap.Dispose();
zoomBackground.Dispose();
}
zoomBitmap = new Bitmap(z.source.Width, z.source.Height);
zoomBackground = new Bitmap(z.screenW, z.screenH);
}
zoomForm.Show();
zoomForm.Left = z.big.X;
zoomForm.Top = z.big.Y;
zoomStopwatch.Restart();
}));
state = State.Following;
zoomAutoClick = autoClick;
}
static void ZoomFormPaint(object sender, System.Windows.Forms.PaintEventArgs e)
{
ZoomBounds z = zoomBounds;
Graphics g = Graphics.FromImage(zoomBitmap);
g.Clear(Color.Gray);
g.CopyFromScreen(z.source.X, z.source.Y, 0, 0,
z.source.Size,
CopyPixelOperation.SourceCopy);
float bX = (smoothX - z.big.X) / z.zoomFactor;
float bY = (smoothY - z.big.Y) / z.zoomFactor;
Pen crossPen = zoomHighlight ? Pens.Red : Pens.Black;
g.DrawLine(crossPen, bX - 10, bY, bX + 10, bY);
g.DrawLine(crossPen, bX, bY - 10, bX, bY + 10);
g.Dispose();
// Other interpolation modes can get a very slow without hardware acceleration
g = e.Graphics;
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.NearestNeighbor;
g.DrawImage(zoomBitmap, 0, 0, z.big.Width, z.big.Height);
}
