public static extern ErrorType opencv_line_float(IntPtr mat,
IntPtr p1,
IntPtr p2,
IntPtr scalar,
int thickness,
CvLineTypes lineType,
int shift);
public static extern ErrorType opencv_rectangle2_float(IntPtr mat,
IntPtr pt1,
IntPtr pt2,
IntPtr scalar,
int thickness,
CvLineTypes lineType,
int shift);
public static extern ErrorType opencv_circle_float(IntPtr mat,
IntPtr center,
int radius,
IntPtr scalar,
int thickness,
CvLineTypes lineType,
int shift);
public static void Rectangle(Mat mat,
Rect <float> rect,
Scalar <double> scalar,
int thickness = 1,
CvLineTypes lineType = CvLineTypes.Line8,
int shift = 0)
{
if (mat == null)
{
throw new ArgumentNullException(nameof(mat));
}
mat.ThrowIfDisposed();
using (var nativeRect = rect.ToNative())
using (var nativeScalar = scalar.ToNative())
{
NativeMethods.opencv_rectangle_float(mat.NativePtr,
nativeRect.NativePtr,
nativeScalar.NativePtr,
thickness,
lineType,
shift);
}
}
public static void Circle(Mat mat,
Point <float> center,
int radius,
Scalar <double> scalar,
int thickness = 1,
CvLineTypes lineType = CvLineTypes.Line8,
int shift = 0)
{
if (mat == null)
{
throw new ArgumentNullException(nameof(mat));
}
mat.ThrowIfDisposed();
using (var nativeCenter = center.ToNative())
using (var nativeScalar = scalar.ToNative())
{
NativeMethods.opencv_circle_float(mat.NativePtr,
nativeCenter.NativePtr,
radius,
nativeScalar.NativePtr,
thickness,
lineType,
shift);
}
}
public static void Rectangle(Mat mat,
Point <int> pt1,
Point <int> pt2,
Scalar <double> scalar,
int thickness = 1,
CvLineTypes lineType = CvLineTypes.Line8,
int shift = 0)
{
if (mat == null)
{
throw new ArgumentNullException(nameof(mat));
}
mat.ThrowIfDisposed();
using (var nativePt1 = pt1.ToNative())
using (var nativePt2 = pt2.ToNative())
using (var nativeScalar = scalar.ToNative())
{
NativeMethods.opencv_rectangle2_int32_t(mat.NativePtr,
nativePt1.NativePtr,
nativePt2.NativePtr,
nativeScalar.NativePtr,
thickness,
lineType,
shift);
}
}
public static void PutText(Mat mat,
string text,
Point <double> point,
CvHersheyFonts fontFace,
double fontScale,
Scalar <double> scalar,
int thickness = 1,
CvLineTypes lineType = CvLineTypes.Line8,
bool bottomLeftOrigin = false)
{
if (mat == null)
{
throw new ArgumentNullException(nameof(mat));
}
mat.ThrowIfDisposed();
var str = Ncnn.Encoding.GetBytes(text ?? "");
using (var nativePoint = point.ToNative())
using (var nativeScalar = scalar.ToNative())
{
NativeMethods.opencv_putText_double(mat.NativePtr,
str,
str.Length,
nativePoint.NativePtr,
fontFace,
fontScale,
nativeScalar.NativePtr,
thickness,
lineType,
bottomLeftOrigin);
}
}
public static extern ErrorType opencv_putText_float(IntPtr mat,
byte[] text,
int textLength,
IntPtr point,
CvHersheyFonts fontFace,
double fontScale,
IntPtr scalar,
int thickness,
CvLineTypes lineType,
bool bottomLeftOrigin);
public static extern ErrorType opencv_rectangle_int32_t(IntPtr mat,
IntPtr rect,
IntPtr scalar,
int thickness,
CvLineTypes lineType,
int shift);
