public virtual void UpdateMaginifier()
{
if ((!initialized) || (hwndMag == IntPtr.Zero))
{
return;
}
//*************************Take Eye Gaze From Both Eye and Head**********************************************//
Point gazePointEyes = combineEyeGaze.GetGazePoint();
gazePointEyes = combineEyeGaze.GetWarpPoint();
Point warpPointEyes = combineEyeGaze.GetNextPoint(gazePointEyes);
//overlayEyeNewForm.mTargetPoint = warpPoint;
//show where am I Point
//overlayEyeNewForm.wWhereAmIPoint = warpPoint;
Point targetEyes = calculateTargetPoint(warpPointEyes);
Vector3 headPoint = headPoints.GetHeadPoint();
Point warpPoint = headPoints.GetNextPoint(targetEyes);
//show where am I Point
//overlayEyeNewForm.wWhereAmIPoint = warpPoint;
Point target = calculateTargetPoint(warpPoint);
overlayEyeNewForm.mTargetPoint = target;
//***********************************************************************************************//
RECT hostWindowRect = new RECT();
NativeMethods.GetWindowRect(hwndMag, out hostWindowRect);
int width = (int)((magWindowRect.right - magWindowRect.left) / m_MAGFACTOR);
int height = (int)((magWindowRect.bottom - magWindowRect.top) / m_MAGFACTOR);
RECT sourceRect = getInScreenRectFromTargetPoint(target, width, height);
// Set the magnification factor.
NativeMethods.MagTransform matrix = new NativeMethods.MagTransform(mConfiguration.ZoomFactor);
NativeMethods.MagSetWindowTransform(hwndMag, ref matrix);
if (mConfiguration.HideMouseCursor == true)
{
NativeMethods.MagShowSystemCursor(false);
}
else if (mConfiguration.HideMouseCursor == false)
{
NativeMethods.MagShowSystemCursor(true);
}
setColor();
// Set the source rectangle for the magnifier control.
bool ret = NativeMethods.MagSetWindowSource(hwndMag, sourceRect);
POINT cursor = new POINT();
NativeMethods.GetCursorPos(ref cursor);
// The reason why "right" and "bottom" minus the 10 is, normally the image
// of the cursor is shown at the bottom right of the cursor position,
// if they don't minus some pixel, the cursor will stay outside of the magnifier.
if (cursor.x <= sourceRect.left)
{
cursor.x = sourceRect.left;
}
if (cursor.x >= sourceRect.right)
{
cursor.x = sourceRect.right - 10;
}
if (cursor.y <= sourceRect.top)
{
cursor.y = sourceRect.top;
}
if (cursor.y >= sourceRect.bottom)
{
cursor.y = sourceRect.bottom - 10;
}
NativeMethods.SetCursorPos(cursor.x, cursor.y);
// NativeMethods.ShowCursor(true);
// if (!mConfiguration.HideMouseCursor)
NativeMethods.ShowCursor(true);
// else
// NativeMethods.ShowCursor(false);
//NativeMethods.MagShowSystemCursor(FALSE);
if (this.form == null)
{
timer.Enabled = false;
return;
}
if (this.form.IsDisposed)
{
timer.Enabled = false;
return;
}
// Set the source rectangle for the magnifier control.
//NativeMethods.MagSetWindowSource(hwndMag, sourceRect);
// setWindowsPosition();
//Reclaim topmost status, to prevent unmagnified menus from remaining in view.
NativeMethods.SetWindowPos(hwndMag, NativeMethods.HWND_TOPMOST, 0, 0, 0, 0, (int)SetWindowPosFlags.SWP_NOACTIVATE | (int)SetWindowPosFlags.SWP_NOMOVE | (int)SetWindowPosFlags.SWP_NOSIZE);
//setWindowsPosition();
// Force redraw.
NativeMethods.InvalidateRect(hwndMag, IntPtr.Zero, true);
}
/*
* if the users result by calibration is more than 80% in each of eyes, we can use followEyes option, in other
* cases just mouse position.
*/
private void onPaint(object sender, PaintEventArgs e)
{
//mConfiguration.ZoomFactor = 1;
SolidBrush newBrush;
if (mConfiguration.whereIAmColor != "0")
{
newBrush = new SolidBrush(Color.FromName(mConfiguration.whereIAmColor));
}
else
{
newBrush = new SolidBrush(Color.Red);
}
Rectangle rec;
Rectangle rec2;
if (!mfollowEyes)
{
int x = Cursor.Position.X;
int y = Cursor.Position.Y;
//stay in screen
if (x - 100 <= 0)
{
x = 100;
}
if (x - 100 >= Screen.PrimaryScreen.Bounds.Width)
{
x = Screen.PrimaryScreen.Bounds.Width - 100;
}
if (y - 100 <= 0)
{
y = 100;
}
if (y - 100 >= Screen.PrimaryScreen.Bounds.Height)
{
y = Screen.PrimaryScreen.Bounds.Height - 100;
}
rec = new Rectangle(x - 100, y - 100, 200, 200);
e.Graphics.FillEllipse(newBrush, rec);
e.Graphics.CompositingQuality = CompositingQuality.HighQuality;
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
rec = new Rectangle(x - 25, y - 25, 50, 50);
e.Graphics.FillEllipse(new SolidBrush(Color.Yellow), rec);
e.Graphics.CompositingQuality = CompositingQuality.HighQuality;
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
this.Invalidate();
}
else if (mfollowEyes)
{
Point gazePoint = combineEyes.GetWarpPoint();
Point warpPoint = combineEyes.GetNextPoint(gazePoint);
//stay in primary screen
if (warpPoint.X - 100 <= 0)
{
warpPoint.X = 100;
}
if (warpPoint.X - 100 >= Screen.PrimaryScreen.Bounds.Width)
{
warpPoint.X = Screen.PrimaryScreen.Bounds.Width - 100;
}
if (warpPoint.Y - 100 <= 0)
{
warpPoint.Y = 100;
}
if (warpPoint.Y - 100 >= Screen.PrimaryScreen.Bounds.Height)
{
warpPoint.Y = Screen.PrimaryScreen.Bounds.Height - 100;
}
//center of the circel
int x = warpPoint.X;
int y = warpPoint.Y;
rec = new Rectangle(x - 100, y - 100, 200, 200);
e.Graphics.FillEllipse(newBrush, rec);
e.Graphics.CompositingQuality = CompositingQuality.HighQuality;
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
rec = new Rectangle(x - 25, y - 25, 50, 50);
e.Graphics.FillEllipse(new SolidBrush(Color.Yellow), rec);
e.Graphics.CompositingQuality = CompositingQuality.HighQuality;
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
this.Invalidate();
}
}