public byte[] Enhance(string filename)
{
try
{
var buf = System.IO.File.ReadAllBytes(path + filename);
img = new MagickImage();
img.Read(buf);
img.Enhance();
return(img.ToByteArray());
}
catch
{
return(null);
}
}
public override MagickImage ApplyFilter(MagickImage image)
{
image.Enhance();
return(image);
}
public MagickImage DoConversion(MagickImage input)
{
MagickImage output = new MagickImage();
try
{
output = new MagickImage(input.Clone());
foreach (OperationType optype in this.order)
{
switch (optype)
{
case OperationType.BrightnessContrast:
if ((this.contrast != 0) || (this.brightness != 0))
{
output.BrightnessContrast((Percentage)brightness, (Percentage)contrast);
}
break;
case OperationType.Treshold:
if (do_treshold)
{
output.Threshold((Percentage)treshold);
}
break;
case OperationType.Gamma:
if (((double)gamma / 100) != 1.0)
{
output.GammaCorrect((double)gamma / 100);
}
break;
case OperationType.Enhance:
if (do_enhance)
{
output.Enhance();
}
break;
case OperationType.Sharpen:
if (do_sharpen)
{
output.Sharpen();
}
break;
case OperationType.NoiseFilter:
if (noise > 0)
{
output.ReduceNoise(noise);
}
break;
default:
break;
}
}
}
catch (MagickCorruptImageErrorException e)
{
throw e;
}
return(output);
}
private Bitmap processImgForScanning(Bitmap imgInput)
{
using (MemoryStream memstream = new MemoryStream())
{
imgInput.Save(memstream, ImageFormat.Tiff);
MagickImage img = new MagickImage(memstream.ToArray());
if (sharpen)
{
img.Sharpen((int)sharpenIntX.Value, (int)sharpenIntY.Value, Channels.All);
}
if (autoGamma)
{
img.AutoGamma();
}
if (enhance)
{
img.Enhance();
}
if (contrast)
{
img.Contrast();
}
if (autoLevel)
{
img.AutoLevel();
}
if (autoOrient)
{
img.AutoOrient();
}
if (despeckle)
{
img.Despeckle();
}
if (medianFilter)
{
img.MedianFilter((int)medianInt.Value);
}
if (unsharpmask)
{
img.Unsharpmask(6.8, 4, 4, 0);
}
if (wtThreshold)
{
img.LinearStretch((float)0.9, 0.1);
//img.WhiteThreshold((int)wtThresInt.Value);
//img.ReduceNoise();
//img.Grayscale(PixelIntensityMethod.Brightness);
}
if (invert)
{
img.Negate();
}
return(img.ToBitmap());
}
}
