private static void ToManaged(MatrixElementTypes type, IntPtr src, Bitmap bitmap, bool rgbReverse, int channels)
{
var format = bitmap.PixelFormat;
var width = bitmap.Width;
var height = bitmap.Height;
BitmapData bitmapData = null;
try
{
bitmapData = bitmap.LockBits(new System.Drawing.Rectangle(0, 0, width, height),
ImageLockMode.WriteOnly,
format);
var scan0 = bitmapData.Scan0;
var stride = bitmapData.Stride;
var srcType = type.ToNativeMatrixElementType();
NativeMethods.extensions_convert_matrix_to_managed_image(srcType, src, scan0, rgbReverse, (uint)height, (uint)width, (uint)stride, (uint)channels);
}
finally
{
if (bitmapData != null)
{
bitmap.UnlockBits(bitmapData);
}
}
}
internal MatrixOp(Dlib.Native.ElementType elementType, MatrixElementTypes type, IntPtr ptr, int templateRows = 0, int temlateColumns = 0)
{
this._ElementType = elementType;
this._MatrixElementType = type.ToNativeMatrixElementType();
this.NativePtr = ptr;
this.TemplateRows = templateRows;
this.TemplateColumns = temlateColumns;
}
private static void ToManaged(MatrixElementTypes type, IntPtr src, WriteableBitmap bitmap, bool rgbReverse, int channels)
{
var width = bitmap.PixelWidth;
var height = bitmap.PixelHeight;
var buffer = bitmap.BackBuffer;
var stride = bitmap.BackBufferStride;
var srcType = type.ToNativeMatrixElementType();
NativeMethods.extensions_convert_matrix_to_managed_image(srcType, src, buffer, rgbReverse, (uint)height, (uint)width, (uint)stride, (uint)channels);
}
internal Matrix(IntPtr ptr, MatrixElementTypes type)
{
if (ptr == IntPtr.Zero)
{
throw new ArgumentException("Can not pass IntPtr.Zero", nameof(ptr));
}
this.NativePtr = ptr;
this._MatrixElementTypes = type;
this._ElementType = type.ToNativeMatrixElementType();
this._Indexer = this.CreateIndexer(type);
}
private static void ToNative(WriteableBitmap bitmap, MatrixElementTypes dstType, IntPtr dst, bool rgbReverse, int channels)
{
var width = bitmap.PixelWidth;
var height = bitmap.PixelHeight;
var buffer = bitmap.BackBuffer;
var stride = bitmap.BackBufferStride;
var usePalette = bitmap.Palette != null && bitmap.Palette.Colors.Count == 256;
if (!usePalette)
{
NativeMethods.extensions_convert_managed_image_to_matrix(buffer, dstType.ToNativeMatrixElementType(), dst, rgbReverse, (uint)height, (uint)width, (uint)stride, (uint)channels);
}
else
{
var p = bitmap.Palette.Colors.Select(c => new RgbPixel {
Blue = c.B, Green = c.G, Red = c.R
}).ToArray();
NativeMethods.extensions_convert_managed_image_to_matrix_by_palette(buffer, dstType.ToNativeMatrixElementType(), dst, p, (uint)height, (uint)width, (uint)stride, (uint)channels);
}
}
private static void ToNative(Bitmap bitmap, MatrixElementTypes dstType, IntPtr dst, bool rgbReverse, int channels)
{
var format = bitmap.PixelFormat;
var width = bitmap.Width;
var height = bitmap.Height;
var palette = bitmap.Palette;
var usePalette = bitmap.Palette.Entries.Length == 256;
BitmapData bitmapData = null;
try
{
bitmapData = bitmap.LockBits(new System.Drawing.Rectangle(0, 0, width, height),
ImageLockMode.ReadOnly,
format);
var scan0 = bitmapData.Scan0;
var stride = bitmapData.Stride;
if (!usePalette)
{
NativeMethods.extensions_convert_managed_image_to_matrix(scan0, dstType.ToNativeMatrixElementType(), dst, rgbReverse, (uint)height, (uint)width, (uint)stride, (uint)channels);
}
else
{
var p = palette.Entries.Select(c => new RgbPixel {
Blue = c.B, Green = c.G, Red = c.R
}).ToArray();
NativeMethods.extensions_convert_managed_image_to_matrix_by_palette(scan0, dstType.ToNativeMatrixElementType(), dst, p, (uint)height, (uint)width, (uint)stride, (uint)channels);
}
}
finally
{
if (bitmapData != null)
{
bitmap.UnlockBits(bitmapData);
}
}
}
private Imp <TElement> CreateImp(MatrixElementTypes type)
{
switch (type)
{
case MatrixElementTypes.UInt8:
return(new MatrixUInt8Imp(this, type.ToNativeMatrixElementType()) as Imp <TElement>);
case MatrixElementTypes.Int8:
return(new MatrixInt8Imp(this, type.ToNativeMatrixElementType()) as Imp <TElement>);
case MatrixElementTypes.UInt16:
return(new MatrixUInt16Imp(this, type.ToNativeMatrixElementType()) as Imp <TElement>);
case MatrixElementTypes.Int16:
return(new MatrixInt16Imp(this, type.ToNativeMatrixElementType()) as Imp <TElement>);
case MatrixElementTypes.UInt32:
return(new MatrixUInt32Imp(this, type.ToNativeMatrixElementType()) as Imp <TElement>);
case MatrixElementTypes.Int32:
return(new MatrixInt32Imp(this, type.ToNativeMatrixElementType()) as Imp <TElement>);
case MatrixElementTypes.UInt64:
return(new MatrixUInt64Imp(this, type.ToNativeMatrixElementType()) as Imp <TElement>);
case MatrixElementTypes.Int64:
return(new MatrixInt64Imp(this, type.ToNativeMatrixElementType()) as Imp <TElement>);
case MatrixElementTypes.Double:
return(new MatrixDoubleImp(this, type.ToNativeMatrixElementType()) as Imp <TElement>);
case MatrixElementTypes.Float:
return(new MatrixFloatImp(this, type.ToNativeMatrixElementType()) as Imp <TElement>);
case MatrixElementTypes.RgbPixel:
return(new MatrixRgbPixelImp(this, type.ToNativeMatrixElementType()) as Imp <TElement>);
case MatrixElementTypes.BgrPixel:
return(new MatrixBgrPixelImp(this, type.ToNativeMatrixElementType()) as Imp <TElement>);
case MatrixElementTypes.HsiPixel:
return(new MatrixHsiPixelImp(this, type.ToNativeMatrixElementType()) as Imp <TElement>);
case MatrixElementTypes.RgbAlphaPixel:
return(new MatrixRgbAlphaPixelImp(this, type.ToNativeMatrixElementType()) as Imp <TElement>);
default:
throw new ArgumentOutOfRangeException(nameof(type), type, null);
}
}