diff options
Diffstat (limited to 'UVtools.Core/Extensions/EmguExtensions.cs')
| -rw-r--r-- | UVtools.Core/Extensions/EmguExtensions.cs | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/UVtools.Core/Extensions/EmguExtensions.cs b/UVtools.Core/Extensions/EmguExtensions.cs index 48a9da8..9ea852a 100644 --- a/UVtools.Core/Extensions/EmguExtensions.cs +++ b/UVtools.Core/Extensions/EmguExtensions.cs @@ -18,12 +18,12 @@ namespace UVtools.Core.Extensions { public static class EmguExtensions { - public static readonly MCvScalar WhiteByte = new MCvScalar(255); - public static readonly MCvScalar White3Byte = new MCvScalar(255, 255, 255); - public static readonly MCvScalar BlackByte = new MCvScalar(0); - public static readonly MCvScalar Black3Byte = new MCvScalar(0, 0, 0); - public static readonly MCvScalar Transparent4Byte = new MCvScalar(0, 0, 0, 0); - public static readonly MCvScalar Black4Byte = new MCvScalar(0, 0, 0, 255); + public static readonly MCvScalar WhiteByte = new(255); + public static readonly MCvScalar White3Byte = new(255, 255, 255); + public static readonly MCvScalar BlackByte = new(0); + public static readonly MCvScalar Black3Byte = new(0, 0, 0); + public static readonly MCvScalar Transparent4Byte = new(0, 0, 0, 0); + public static readonly MCvScalar Black4Byte = new(0, 0, 0, 255); public static unsafe byte* GetBytePointer(this Mat mat) { @@ -64,10 +64,16 @@ namespace UVtools.Core.Extensions public static unsafe Span<T> GetPixelRowSpan<T>(this Mat mat, int y, int length = 0, int offset = 0) { - return new(IntPtr.Add(mat.DataPointer, y * mat.Step + offset).ToPointer(), length == 0 ? mat.Step : length); + return new(IntPtr.Add(mat.DataPointer, y * mat.Step + offset).ToPointer(), length <= 0 ? mat.Step : length); //return mat.GetPixelSpan<T>().Slice(offset, mat.Step); } + public static unsafe Span<T> GetPixelColSpan<T>(this Mat mat, int x, int length = 0, int offset = 0) + { + var colMat = mat.Col(x); + return new(IntPtr.Add(mat.DataPointer, offset).ToPointer(), length <= 0 ? mat.Height : length); + } + /// <summary> /// Gets if a <see cref="Mat"/> is all zeroed /// </summary> |