//private WarpPointer warp;
public virtual void UpdateMaginifier()
{
if ((!initialized) || (hwndMag == IntPtr.Zero))
{
return;
}
//*************************Take Eye Gaze From Left Eye**********************************************//
// Point gazePoint = leftEyeGaze.GetGazePoint();
Point gazePoint = leftEyeGaze.GetWarpPoint();
Point warpPoint = leftEyeGaze.GetNextPoint(gazePoint);
//overlayEyeNewForm.mTargetPoint = warpPoint;
//show where am I Point
//overlayEyeNewForm.wWhereAmIPoint = warpPoint;
Point target = calculateTargetPoint(warpPoint);
mOverlayEyeNewForm.mTargetPoint = target;
//***********************************************************************************************//
//RECT hostWindowRect = new RECT();
// NativeMethods.GetWindowRect(hwndMag, out hostWindowRect);
int width = (int)((magWindowRect.right - magWindowRect.left) / mConfiguration.ZoomFactor);
int height = (int)((magWindowRect.bottom - magWindowRect.top) / mConfiguration.ZoomFactor);
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);
NativeMethods.ShowCursor(true);
//NativeMethods.MagShowSystemCursor(FALSE);
if (this.form == null)
{
timer.Enabled = false;
return;
}
if (this.form.IsDisposed)
{
timer.Enabled = false;
return;
}
//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);
}
