public static int FaceAlignmentFromFaceRegion(byte[] image, HIWITFaceRegion faceRegion, ref HIWITFaceInfo faceInfo)
{
if (image == null) return HIWIT_ERR_ILLEGAL;
IntPtr regionPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(HIWITFaceRegion)));
Marshal.StructureToPtr(faceRegion, regionPtr, false);
IntPtr infoPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(HIWITFaceInfo)));
try {
int r = HIWITFaceAlignmentFromFaceRegion(APPIP, APPKEY, image, image.Length, regionPtr, infoPtr);
if (r == HIWIT_ERR_NONE) faceInfo = (HIWITFaceInfo)Marshal.PtrToStructure(infoPtr, typeof(HIWITFaceInfo));
return r;
}
finally {
Marshal.FreeHGlobal(regionPtr);
Marshal.FreeHGlobal(infoPtr);
}
}
public static int FaceVerify(byte[] probeData, byte[] galleryData, ref float score, HIWITFaceInfo? probeInfo = null, HIWITFaceInfo? galleryInfo = null)
{
if (probeData == null || galleryData == null) return HIWIT_ERR_ILLEGAL;
int size = Marshal.SizeOf(typeof(HiwitLib.HIWITFaceInfo));
IntPtr probePtr = IntPtr.Zero;
IntPtr galleryPtr = IntPtr.Zero;
try {
if (probeInfo != null) {
probePtr = Marshal.AllocHGlobal(size);
Marshal.StructureToPtr(probeInfo, probePtr, false);
}
if (galleryInfo != null) {
galleryPtr = Marshal.AllocHGlobal(size);
Marshal.StructureToPtr(galleryInfo, galleryPtr, false);
}
return HIWITFaceVerifyTwoImage(APPIP, APPKEY, probeData, probeData.Length, probePtr, galleryData, galleryData.Length, galleryPtr, ref score);
}
finally {
Marshal.FreeHGlobal(probePtr);
Marshal.FreeHGlobal(galleryPtr);
}
}
