public static PicPixel CreatePicPixel(int nW, int nH)
{
PicPixel pPix = new PicPixel();
pPix.pixel = Marshal.AllocHGlobal(nW * nH);
pPix.width = nW;
pPix.height = nH;
return(pPix);
}
public static void DeletePicPixel(ref PicPixel pPicPixel)
{
if (pPicPixel != null)
{
Marshal.FreeHGlobal(pPicPixel.pixel);
pPicPixel.pixel = IntPtr.Zero;
pPicPixel.width = 0;
pPicPixel.height = 0;
}
pPicPixel = null;
}
private void GetGrayPixel(PicPixel pPix, Bitmap bmCur)
{
int nW = pPix.width;
int nH = pPix.height;
using (Bitmap bmTemp = WinCall.BitmapScale(bmCur, nW, nH))
{
using (Bitmap bmGrapy = WinCall.BitmapConvetGray(bmTemp))
{
Rectangle rect = new Rectangle(0, 0, nW, nH);
BitmapData dataGray = bmGrapy.LockBits(rect, ImageLockMode.ReadOnly, PixelFormat.Format8bppIndexed);
System.IntPtr ptrGray = dataGray.Scan0;
WinCall.CopyMemory(pPix.pixel, ptrGray, nW * nH);
bmGrapy.UnlockBits(dataGray);
}
}
}
public void Dispose()
{
if (handleLib != IntPtr.Zero)
{
HWRelease(ref handleLib);
handleLib = IntPtr.Zero;
}
HWReleaseD();
if (idPhotoData != null)
{
PicPixel.DeletePicPixel(ref idPhotoData);
}
if (livePhotoData != null)
{
PicPixel.DeletePicPixel(ref livePhotoData);
}
ClearPhoto(ref bmLivePhoto);
ClearPhoto(ref bmFaceLivePhoto);
}
public bool InitLib()
{
string strCurdir = Application.StartupPath;
HWRESULT hRes = HWInitialD(strCurdir);
if (S_OK != hRes)
{
return(false);
}
hRes = HWInitial(ref handleLib, strCurdir);
bool bInit = (S_OK == hRes);
if (bInit)
{
idPhotoData = PicPixel.CreatePicPixel(ID_PHOTO_WID, ID_PHOTO_HEI);
livePhotoData = PicPixel.CreatePicPixel(LIVE_PHOTO_WID, LIVE_PHOTO_HEI);
}
return(bInit);
}
