public static bool MeanRemoval(Bitmap bitmap, int nWeight)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(-1);
m.Pixel = nWeight;
m.Factor = nWeight - 8;
return(BitmapFilter.Conv3x3(bitmap, m));
}
public static bool Smooth(Bitmap bitmap, int nWeight)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(1);
m.Pixel = nWeight;
m.Factor = nWeight + 8;
return(BitmapFilter.Conv3x3(bitmap, m));
}
public static bool EmbossLaplacian(Bitmap bitmap)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(-1);
m.TopMid = m.MidLeft = m.MidRight = m.BottomMid = 0;
m.Pixel = 4;
m.Offset = 127;
return(BitmapFilter.Conv3x3(bitmap, m));
}
public static bool Sharpen(Bitmap bitmap, int nWeight)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(0);
m.Pixel = nWeight;
m.TopMid = m.MidLeft = m.MidRight = m.BottomMid = -2;
m.Factor = nWeight - 8;
return(BitmapFilter.Conv3x3(bitmap, m));
}
public static bool GaussianBlur(Bitmap bitmap, int nWeight)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(1);
m.Pixel = nWeight;
m.TopMid = m.MidLeft = m.MidRight = m.BottomMid = 2;
m.Factor = nWeight + 12;
return(BitmapFilter.Conv3x3(bitmap, m));
}
public static bool EdgeDetectQuick(Bitmap bitmap)
{
ConvMatrix m = new ConvMatrix();
m.TopLeft = m.TopMid = m.TopRight = -1;
m.MidLeft = m.Pixel = m.MidRight = 0;
m.BottomLeft = m.BottomMid = m.BottomRight = 1;
m.Offset = 127;
return(BitmapFilter.Conv3x3(bitmap, m));
}