/// <summary>
/// Apply smooth filter to bitmap
/// </summary>
public void ApplyFilter(Bitmap b, int nWeight)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(1);
m.Pixel = nWeight;
m.Factor = nWeight + 8;
b = MatrixFunction.Conv3X3(b, m);
}
public Image ProcessImage(ImageFactory factory)
{
var nWeight = (int)DynamicParameter;
ConvMatrix m = new ConvMatrix();
m.SetAll(1);
m.Pixel = nWeight;
m.Factor = nWeight + 8;
return ImageHelper.Conv3x3(factory.Bitmap, m);
}
public static void Smooth(Bitmap b, int nWeight)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(1);
m.Pixel = nWeight;
m.Factor = nWeight + 8;
Conv3x3(b, m);
}
public static bool Smooth(Bitmap b, int nWeight /* default to 1 */)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(1);
m.Pixel = nWeight;
m.Factor = nWeight + 8;
return Conv3x3(b, m);
}
/// <summary>
/// Applying Emboss filter to the bitmap
/// </summary>
public void ApplyFilter(Bitmap b)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(-1);
m.TopMid = m.MidLeft = m.MidRight = m.BottomMid = 0;
m.Pixel = 4;
m.Offset = 127;
b = MatrixFunction.Conv3X3(b, m);
}
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 void Smooth(Bitmap b, int nWeight)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(1);
m.Pixel = nWeight;
m.Factor = nWeight + 8;
Conv3x3(b, m);
}
public static bool Smooth(Bitmap b, int nWeight /* default to 1 */)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(1);
m.Pixel = nWeight;
m.Factor = nWeight + 8;
return(Conv3x3(b, m));
}
public static bool MeanRemoval(Bitmap b, int nWeight /* default to 9*/)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(-1);
m.Pixel = nWeight;
m.Factor = nWeight - 8;
return(Conv3x3(b, m));
}
public static bool GaussianBlur(Bitmap b, int nWeight /* default to 4*/)
{
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(b, 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(this Bitmap b, int nWeight /* default to 4*/)
{
var m = new ConvMatrix();
m.SetAll(1);
m.Pixel = nWeight;
m.TopMid = m.MidLeft = m.MidRight = m.BottomMid = 2;
m.Factor = nWeight + 30;
return(b.Conv3X3(m));
}
public static bool EmbossLaplacian(Bitmap b)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(-1);
m.TopMid = m.MidLeft = m.MidRight = m.BottomMid = 0;
m.Pixel = 4;
m.Offset = 127;
return(Conv3x3(b, m));
}
public static bool GaussianBlur(Bitmap b, int nWeight /* default to 4*/)
{
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(b, m));
}
public Image ProcessImage(ImageFactory factory)
{
var nWeight = (int)DynamicParameter;
ConvMatrix m = new ConvMatrix();
m.SetAll(0);
m.Pixel = nWeight;
m.TopMid = m.MidLeft = m.MidRight = m.BottomMid = -2;
m.Factor = nWeight - 8;
return(ImageHelper.Conv3x3(factory.Bitmap, m));
}
public static bool Sharpen(Bitmap b, int nWeight /* default to 11*/)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(0);
m.Pixel = nWeight;
m.TopMid = m.MidLeft = m.MidRight = m.BottomMid = -2;
m.Factor = nWeight - 8;
return(Conv3x3(b, m));
}
public static Bitmap Emboss(Bitmap b, int Offset)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(-1);
m.TopMid = m.MidLeft = m.MidRight = m.BottomMid = 0;
m.Pixel = 4;
m.Offset = Offset;
return(Conv3x3(b, m));
}
public static void Smooth(Bitmap b, int nWeight)
{
if (nWeight == 0)
{
return;
}
var m = new ConvMatrix();
m.SetAll(1);
m.Pixel = nWeight;
m.Factor = nWeight + 8;
Conv3X3(b, m);
}
public static bool Blur(ref Bitmap b, int intensity = 1)
{
int step0 = intensity;
int step1 = intensity / 2;
int step2 = intensity / 4;
ConvMatrix blur = new ConvMatrix();
//ConvMatrix blur = new ConvMatrix(
// new int[,] {
// { step2, step1, step2 },
// { step1, step0, step1 },
// { step2, step1, step2 }
// });
//blur.Factor = intensity * intensity;
blur.SetAll(1);
blur.Pixel = intensity;
blur.Factor = intensity + 8;
return(Conv3x3(ref b, blur));
}
public static bool EmbossLaplacian(Bitmap b)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(-1);
m.TopMid = m.MidLeft = m.MidRight = m.BottomMid = 0;
m.Pixel = 4;
m.Offset = 127;
return Conv3x3(b, m);
}
public static void GaussianBlur(Bitmap img, int nWeight)
{
Bitmap b = img;
ConvMatrix m = new ConvMatrix();
m.SetAll(1);
m.Pixel = nWeight;
m.TopMid = m.MidLeft = m.MidRight = m.BottomMid = 2;
m.Factor = nWeight + 12;
if (Conv3x3(b, m))
{
//if (Rounded)
// RoundImage(b, 30);
}
}
public static Bitmap Sharpen(Bitmap img, int nWeight /* default to 11*/ )
{
Bitmap b = (Bitmap)img.Clone();
ConvMatrix m = new ConvMatrix();
m.SetAll(0);
m.Pixel = nWeight;
m.TopMid = m.MidLeft = m.MidRight = m.BottomMid = -2;
m.Factor = nWeight - 8;
if (Conv3x3(b, m))
{
if (Rounded)
RoundImage(b, 30);
return b;
}
else return null;
}
/// see: http://www.codeproject.com/KB/GDI-plus/edge_detection.aspx
/// <summary>
/// Sobel Edge Detection
///
/// [ 1 2 1 ]
/// [ 0 0 0 ]
/// [ -1 -2 -1 ] /1+0
///
/// Edge detection filters work essentially by looking for contrast in an image.
///
/// </summary>
/// <param name="b">The source bitmap</param>
public static bool Sobel(Bitmap b)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(0);
m.TopLeft = m.TopRight = 1;
m.BottomLeft = m.BottomRight = -1;
m.TopMid = 2;
m.BottomMid = -2;
m.Offset = 0;
return Conv3x3(b, m);
}
public static Bitmap Emboss(Bitmap b, int Offset)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(-1);
m.TopMid = m.MidLeft = m.MidRight = m.BottomMid = 0;
m.Pixel = 4;
m.Offset = Offset;
return Conv3x3(b, m);
}
public static bool MeanRemoval(Bitmap b, int nWeight /* default to 9*/ )
{
ConvMatrix m = new ConvMatrix();
m.SetAll(-1);
m.Pixel = nWeight;
m.Factor = nWeight - 8;
return Conv3x3(b, m);
}
public static bool Sharpen(Bitmap b, int nWeight /* default to 11*/ )
{
ConvMatrix m = new ConvMatrix();
m.SetAll(0);
m.Pixel = nWeight;
m.TopMid = m.MidLeft = m.MidRight = m.BottomMid = -2;
m.Factor = nWeight - 8;
return Conv3x3(b, m);
}