public void Move(GDI.RECT rcDest)
{
if (_clientRect == null)
{
GDI.RECT rect;
WindowsManagement.GetClientRect(_hMediaWindow, out rect);
_clientRect = rect;
}
if (_windowRect == null)
{
GDI.RECT rect;
WindowsManagement.GetWindowRect(_hMediaWindow, out rect);
_windowRect = rect;
}
if ((_clientRect.Value.right - _clientRect.Value.left) != (rcDest.right - rcDest.left) ||
(_clientRect.Value.bottom - _clientRect.Value.top) != (rcDest.bottom - rcDest.top))
{
GDI.RECT rect;
rect.left = rect.top = 0;
rect.right = (rcDest.right - rcDest.left) + ((_windowRect.Value.right - _windowRect.Value.left) - (_clientRect.Value.right - _clientRect.Value.left));
rect.bottom = (rcDest.bottom - rcDest.top) + ((_windowRect.Value.bottom - _windowRect.Value.top) - (_clientRect.Value.bottom - _clientRect.Value.top));
if (WindowsManagement.MoveWindow(_hMediaWindow, rect.left, rect.top, rect.right, rect.bottom, false) != 0)
{
_windowRect = rect;
_clientRect = rcDest;
}
}
}
public void Invalidate()
{
if (_hwnd != IntPtr.Zero)
{
GDI.RECT rcClient;
WindowsManagement.GetClientRect(_hwnd, out rcClient);
WindowsManagement.InvalidateRect(_hwnd, ref rcClient, false);
}
}
private void ResizeNormal(bool initial = false)
{
if (!initial && _engine.GraphState == GraphState.Reset)
{
return;
}
GDI.RECT rect;
WindowsManagement.GetClientRect(Handle, out rect);
int clientWidth = rect.right - rect.left;
int clientHeight = rect.bottom - rect.top;
double w = clientWidth;
double h = clientHeight;
double ratio = w / h;
double dAspectRatio;
switch (_aspectRatio)
{
case AspectRatio.AR_ORIGINAL:
dAspectRatio = _nativeAspectRatio;
break;
case AspectRatio.AR_16x9:
dAspectRatio = 16.0 / 9.0;
break;
case AspectRatio.AR_4x3:
dAspectRatio = 4.0 / 3.0;
break;
case AspectRatio.AR_47x20:
dAspectRatio = 47.0 / 20.0;
break;
default:
{
// free aspect ratio
_rcDest.left = 0;
_rcDest.top = 0;
_rcDest.right = clientWidth;
_rcDest.bottom = clientHeight;
ApplyDestinationRect();
return;
}
}
int hor;
int vert;
if (_isFixed)
{
int fixedSize = (int)_fixedSize;
if (ratio >= dAspectRatio)
{
vert = ((int)(_rcSrc.cy * fixedSize / _divideSize)) - clientHeight;
_rcDest.top = (vert >= 0) ? 0 : -vert / 2;
_rcDest.bottom = (vert >= 0) ? clientHeight : _rcDest.top + ((int)(_rcSrc.cy * fixedSize / _divideSize));
h = _rcDest.bottom - _rcDest.top;
w = h * dAspectRatio;
hor = clientWidth - (int)w;
_rcDest.left = (hor <= 0) ? 0 : hor / 2;
_rcDest.right = _rcDest.left + (int)w;
}
else
{
hor = ((int)(_rcSrc.cx * fixedSize / _divideSize)) - clientWidth;
// hor>=0 - client area is smaller than video hor size
_rcDest.left = (hor >= 0) ? 0 : -hor / 2;
_rcDest.right = (hor >= 0) ? clientWidth : _rcDest.left + ((int)(_rcSrc.cx * fixedSize / _divideSize));
w = _rcDest.right - _rcDest.left;
h = w / dAspectRatio;
vert = clientHeight - (int)h;
_rcDest.top = (vert <= 0) ? 0 : vert / 2;
_rcDest.bottom = _rcDest.top + (int)h;
}
}
else
{
if (ratio >= dAspectRatio)
{
_rcDest.top = 0;
_rcDest.bottom = clientHeight;
h = _rcDest.bottom - _rcDest.top;
w = h * dAspectRatio;
hor = clientWidth - (int)w;
_rcDest.left = (hor <= 0) ? 0 : hor / 2;
_rcDest.right = _rcDest.left + (int)w;
}
else
{
_rcDest.left = 0;
_rcDest.right = clientWidth;
w = _rcDest.right - _rcDest.left;
h = w / dAspectRatio;
vert = clientHeight - (int)h;
_rcDest.top = (vert <= 0) ? 0 : vert / 2;
_rcDest.bottom = _rcDest.top + (int)h;
}
}
ApplyDestinationRect();
}
