public bool SaveBitmap(Bitmap bitmap, bool show, bool transparent, float alphaValue)
{
if (!_isVmr9Initialized)
{
return(false);
}
if (_vmr9Filter == null)
{
return(false);
}
if (MixerBitmapInterface == null)
{
return(false);
}
if (GUIGraphicsContext.Vmr9Active == false)
{
Log.Info("SaveVMR9Bitmap() failed - no VMR9");
return(false);
}
int hr = 0;
// transparent image?
using (MemoryStream mStr = new MemoryStream())
{
if (bitmap != null)
{
if (transparent == true)
{
bitmap.MakeTransparent(Color.Black);
}
bitmap.Save(mStr, ImageFormat.Bmp);
mStr.Position = 0;
}
VMR9AlphaBitmap bmp = new VMR9AlphaBitmap();
if (show == true)
{
// get AR for the bitmap
Rectangle src, dest;
g_vmr9.GetVideoWindows(out src, out dest);
int width = g_vmr9.VideoWidth;
int height = g_vmr9.VideoHeight;
float xx = (float)src.X / width;
float yy = (float)src.Y / height;
float fx = (float)(src.X + src.Width) / width;
float fy = (float)(src.Y + src.Height) / height;
//
using (
Surface surface = GUIGraphicsContext.DX9Device.CreateOffscreenPlainSurface(GUIGraphicsContext.Width,
GUIGraphicsContext.Height,
Format.X8R8G8B8,
Pool.SystemMemory))
{
SurfaceLoader.FromStream(surface, mStr, Filter.None, 0);
bmp.dwFlags = (VMR9AlphaBitmapFlags)(4 | 8);
bmp.clrSrcKey = 0;
unsafe
{
bmp.pDDS = (IntPtr)surface.UnmanagedComPointer;
}
bmp.rDest = new NormalizedRect();
bmp.rDest.top = yy;
bmp.rDest.left = xx;
bmp.rDest.bottom = fy;
bmp.rDest.right = fx;
bmp.fAlpha = alphaValue;
//Log.Info("SaveVMR9Bitmap() called");
hr = g_vmr9.MixerBitmapInterface.SetAlphaBitmap(ref bmp);
if (hr != 0)
{
//Log.Info("SaveVMR9Bitmap() failed: error {0:X} on SetAlphaBitmap()",hr);
return(false);
}
}
}
else
{
bmp.dwFlags = (VMR9AlphaBitmapFlags)1;
bmp.clrSrcKey = 0;
bmp.rDest = new NormalizedRect();
bmp.rDest.top = 0.0f;
bmp.rDest.left = 0.0f;
bmp.rDest.bottom = 1.0f;
bmp.rDest.right = 1.0f;
bmp.fAlpha = alphaValue;
hr = g_vmr9.MixerBitmapInterface.UpdateAlphaBitmapParameters(ref bmp);
if (hr != 0)
{
return(false);
}
}
}
// dispose
return(true);
}