public static void Convert(PixelBox src, PixelBox dst, IPixelConverter pixelConverter)
{
{
var srcptr = (BufferBase)src.Data.Clone();
var dstptr = (BufferBase)dst.Data.Clone();
var srcSliceSkip = src.SliceSkip;
var dstSliceSkip = dst.SliceSkip;
var k = src.Right - src.Left;
for (var z = src.Front; z < src.Back; z++)
{
for (var y = src.Top; y < src.Bottom; y++)
{
for (var x = 0; x < k; x++)
{
pixelConverter.Convert(srcptr, dstptr, x);
}
srcptr.Ptr += src.RowPitch * PixelUtil.GetNumElemBytes(src.Format);
dstptr.Ptr += dst.RowPitch * PixelUtil.GetNumElemBytes(dst.Format);
}
srcptr.Ptr += srcSliceSkip;
dstptr.Ptr += dstSliceSkip;
}
}
}
public override ImageMap ConvertToImageMap(IPixelConverter pconv)
{
if (pconv == null)
{
pconv = new CanonicalPixelConverter();
}
ImageMap res = new ImageMap(Width, Height);
// This code is quite slow, but I found no quick way to convert and
// access the raw image data at always the same format. So, fix it or
// stick with it. At least it looks elegant ;-)
//获取图片的每一个像素
for (int y = 0; y < Height; ++y)
{
for (int x = 0; x < Width; ++x)
{
Color col = bm.GetPixel(x, y);
//每一个像素取正常化存入res[x,y]中
res[x, y] = pconv.Convert(col.R, col.G, col.B);
}
}
return(res);
}
public abstract ImageMap ConvertToImageMap(IPixelConverter pconv);
public static void Convert( PixelBox src, PixelBox dst, IPixelConverter pixelConverter )
{
unsafe
{
byte* srcptr = (byte*)( src.Data.ToPointer() );
byte* dstptr = (byte*)( dst.Data.ToPointer() );
int srcSliceSkip = src.SliceSkip;
int dstSliceSkip = dst.SliceSkip;
int k = src.Right - src.Left;
for ( int z = src.Front; z < src.Back; z++ )
{
for ( int y = src.Top; y < src.Bottom; y++ )
{
for ( int x = 0; x < k; x++ )
{
pixelConverter.Convert( srcptr, dstptr, x );
}
srcptr += src.RowPitch * PixelUtil.GetNumElemBytes( src.Format );
dstptr += dst.RowPitch * PixelUtil.GetNumElemBytes( dst.Format );
}
srcptr += srcSliceSkip;
dstptr += dstSliceSkip;
}
}
}
public ImageBuilder(IImageSampler sampler, IPixelConverter converter, Color transparencyColor)
{
_sampler = sampler;
_converter = converter;
_transparencyColor = transparencyColor;
}
public void Dispose()
{
if (_bmp != null)
{
_bmp.Dispose();
_bmp = null;
_frameDimension = null;
_sampler = null;
_converter = null;
}
}
public ImageBufferBuilder(Bitmap bmp, Size size, IImageSampler sampler, IPixelConverter converter, Color transparencyColor)
{
_bmp = bmp;
_size = size;
_sampler = sampler;
_converter = converter;
_transparencyColor = transparencyColor;
_frameDimension = new FrameDimension(bmp.FrameDimensionsList[0]);
_frameCount = bmp.GetFrameCount(_frameDimension);
}