/// <summary>
/// 识别 <paramref name="bitmap"/> 中指定的人脸信息 <paramref name="info"/> 的关键点坐标。
/// <para>
/// 当 <see cref="FaceType"/> <see langword="="/> <see cref="FaceType.Normal"/> 时， 需要模型：<see langword="face_landmarker_pts68.csta"/><br/>
/// 当 <see cref="FaceType"/> <see langword="="/> <see cref="FaceType.Mask"/> 时， 需要模型：<see langword="face_landmarker_mask_pts5.csta"/><br/>
/// 当 <see cref="FaceType"/> <see langword="="/> <see cref="FaceType.Light"/> 时， 需要模型：<see langword="face_landmarker_pts5.csta"/><br/>
/// </para>
/// </summary>
/// <param name="bitmap">包含人脸的图片</param>
/// <param name="info">指定的人脸信息</param>
/// <returns>若失败，则返回结果 Length == 0</returns>
public FaceMarkPoint[] FaceMark(Bitmap bitmap, FaceInfo info)
{
byte[] bgr = bitmap.To24BGRByteArray(out int width, out int height, out int channels);
int size;
if (Platform64)
{
size = ViewFacePlus64.FaceMarkSize((int)MarkType);
}
else
{
size = ViewFacePlus32.FaceMarkSize((int)MarkType);
}
if (size == -1)
{
return(new FaceMarkPoint[0]);
}
double[] _pointX = new double[size];
double[] _pointY = new double[size];
bool res;
if (Platform64)
{
res = ViewFacePlus64.FaceMark(bgr, width, height, channels, info.Location.X, info.Location.Y, info.Location.Width, info.Location.Height, _pointX, _pointY, (int)MarkType);
}
else
{
res = ViewFacePlus32.FaceMark(bgr, width, height, channels, info.Location.X, info.Location.Y, info.Location.Width, info.Location.Height, _pointX, _pointY, (int)MarkType);
}
if (res)
{
List <FaceMarkPoint> points = new List <FaceMarkPoint>();
for (int i = 0; i < size; i++)
{
points.Add(new FaceMarkPoint()
{
X = _pointX[i], Y = _pointY[i]
});
}
return(points.ToArray());
}
else
{
return(new FaceMarkPoint[0]);
}
}
/// <summary>
/// 识别 <paramref name="bitmap"/> 中指定的人脸信息 <paramref name="info"/> 的关键点坐标。
/// <para>
/// 当 <see cref="FaceType"/> <see langword="="/> <see cref="FaceType.Normal"/> 时， 需要模型：<see langword="face_landmarker_pts68.csta"/><br/>
/// 当 <see cref="FaceType"/> <see langword="="/> <see cref="FaceType.Mask"/> 时， 需要模型：<see langword="face_landmarker_mask_pts5.csta"/><br/>
/// 当 <see cref="FaceType"/> <see langword="="/> <see cref="FaceType.Light"/> 时， 需要模型：<see langword="face_landmarker_pts5.csta"/><br/>
/// </para>
/// </summary>
/// <param name="bitmap">包含人脸的图片</param>
/// <param name="info">指定的人脸信息</param>
/// <returns></returns>
public FaceMarkPoint[] FaceMark(Bitmap bitmap, FaceInfo info)
{
byte[] bgr = ImageSet.Get24BGRFromBitmap(bitmap, out int width, out int height, out int channels);
int size;
if (Platform64)
{
size = ViewFacePlus64.FaceMarkSize((int)MarkType);
}
else
{
size = ViewFacePlus32.FaceMarkSize((int)MarkType);
}
double[] _pointX = new double[size];
double[] _pointY = new double[size];
bool val;
if (Platform64)
{
val = ViewFacePlus64.FaceMark(bgr, width, height, channels, info.Location.X, info.Location.Y, info.Location.Width, info.Location.Height, _pointX, _pointY, (int)MarkType);
}
else
{
val = ViewFacePlus32.FaceMark(bgr, width, height, channels, info.Location.X, info.Location.Y, info.Location.Width, info.Location.Height, _pointX, _pointY, (int)MarkType);
}
if (val)
{
List <FaceMarkPoint> points = new List <FaceMarkPoint>();
for (int i = 0; i < size; i++)
{
points.Add(new FaceMarkPoint()
{
X = _pointX[i], Y = _pointY[i]
});
}
return(points.ToArray());
}
else
{
throw new Exception("人脸关键点获取失败");
}
}