private PdfShot GetPdfDocument(Image fullPageImage, ShotOptions options, String title)
{
var magicImage = new MagickImage(fullPageImage.ToMemoryStream());
magicImage.Strip();
if (options.IsGrayscale)
{
magicImage.Grayscale(PixelIntensityMethod.Lightness);
magicImage.Contrast();
}
var partsCount = Math.Ceiling((Decimal)magicImage.Height / options.StepHeight);
partsCount = Math.Ceiling((magicImage.Height + options.OverlaySize * partsCount) / options.StepHeight);
var pageImageParts = new List <Byte[]>();
for (var i = 0; i < partsCount; i++)
{
var y = i * options.StepHeight - i * options.OverlaySize;
var images = magicImage.CropToTiles(new MagickGeometry(0,
y,
options.Width,
options.StepHeight))
.ToList();
pageImageParts.Add(images.First().ToByteArray());
}
var pdfBytes = _pdfCreator.CreateDocument(options.Width, options.StepHeight, pageImageParts);
return(new PdfShot(pdfBytes, GetFileName(title)));
}
public void Compress()
{
using (MagickImage image = new MagickImage(_filePath))
{
image.Quality = 3;
image.Contrast(true);
image.Grayscale(PixelIntensityMethod.Lightness);
image.AdaptiveThreshold(320, 240);
image.Write(Destination);
}
}
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());
}
}