unsafe { byte* p = (byte*)(void*)Scan0; byte* pSrc = (byte*)(void*)SrcScan0; int nOffset = stride - b.Width * 3; int nWidth = b.Width - 2; int nHeight = b.Height - 2; int nPixel; for (int y = 0; y < nHeight; ++y) { for (int x = 0; x < nWidth; ++x) { nPixel = ((((pSrc[2] * m.TopLeft) + (pSrc[5] * m.TopMid) + (pSrc[8] * m.TopRight) + (pSrc[2 + stride] * m.MidLeft) + (pSrc[5 + stride] * m.Pixel) + (pSrc[8 + stride] * m.MidRight) + (pSrc[2 + stride2] * m.BottomLeft) + (pSrc[5 + stride2] * m.BottomMid) + (pSrc[8 + stride2] * m.BottomRight)) / m.Factor) + m.Offset); if (nPixel < 33) nPixel = 0; //if (nPixel < 0) nPixel = 0; if (nPixel > 34) nPixel = 255; //if (nPixel > 255) nPixel = 255; p[5 + stride] = (byte)nPixel; nPixel = ((((pSrc[1] * m.TopLeft) + (pSrc[4] * m.TopMid) + (pSrc[7] * m.TopRight) + (pSrc[1 + stride] * m.MidLeft) + (pSrc[4 + stride] * m.Pixel) + (pSrc[7 + stride] * m.MidRight) + (pSrc[1 + stride2] * m.BottomLeft) + (pSrc[4 + stride2] * m.BottomMid) + (pSrc[7 + stride2] * m.BottomRight)) / m.Factor) + m.Offset); if (nPixel < 33) nPixel = 0; if (nPixel > 34) nPixel = 255; p[4 + stride] = (byte)nPixel; nPixel = ((((pSrc[0] * m.TopLeft) + (pSrc[3] * m.TopMid) + (pSrc[6] * m.TopRight) + (pSrc[0 + stride] * m.MidLeft) + (pSrc[3 + stride] * m.Pixel) + (pSrc[6 + stride] * m.MidRight) + (pSrc[0 + stride2] * m.BottomLeft) + (pSrc[3 + stride2] * m.BottomMid) + (pSrc[6 + stride2] * m.BottomRight)) / m.Factor) + m.Offset); if (nPixel < 33) nPixel = 0; if (nPixel > 34) nPixel = 255; p[3 + stride] = (byte)nPixel; p += 3; pSrc += 3; } p += nOffset; pSrc += nOffset; } }
var
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