public EImageBW8 ConvertBitmapToEImageBW8(Bitmap bmp)
{
EImageBW8 EBW8Image1 = new EImageBW8(bmp.Width, bmp.Height); // EImageBW8 instance
try
{
Rectangle rect = new Rectangle(0, 0, bmp.Width, bmp.Height);
//锁定位图
System.Drawing.Imaging.BitmapData bmpdata_src = bmp.LockBits(rect, System.Drawing.Imaging.ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
//获取首行地址
IntPtr pScan0 = bmpdata_src.Scan0;
unsafe
{
try
{
for (int Height = 0; Height < bmpdata_src.Height; Height++)
{
byte *pSrc = (byte *)pScan0;
pSrc += bmpdata_src.Stride * Height;
byte *pDest = (byte *)EBW8Image1.GetImagePtr(0, Height);
for (int Width = 0; Width < bmpdata_src.Width; Width++)
{
pDest[0] = (byte)(pSrc[0] * 0.299 + pSrc[1] * 0.587 + pSrc[2] * 0.114);
pSrc += 3;
pDest++;
}
}
}
catch { }
}
bmp.UnlockBits(bmpdata_src);
}
catch { }
return(EBW8Image1);
}