void Button2Click(object sender, EventArgs e)
{
Bitmap roibmp;
Pix roipix;
Mat src;
buttonRight.Enabled = false;
buttonNext.Enabled = false;
button2.Enabled = false;
OpenCvSharp.Rect roi = ramka.getRoi();
Cursor = Cursors.WaitCursor;
if (roi.X != -1)
{
src = ramka.Image[roi];
}
else
{
src = ramka.Image;
}
roibmp = src.ToBitmap();
roipix = PixConverter.ToPix(roibmp);
Pix roipix1 = roipix.Deskew();
Bitmap newbm = PixConverter.ToBitmap(roipix1);
Mat newmat = BitmapConverter.ToMat(newbm);
ramka.Image = newmat;
Cursor = Cursors.Default;
src.Dispose();
newbm.Dispose();
roipix.Dispose();
buttonRight.Enabled = true;
buttonNext.Enabled = true;
button2.Enabled = true;
}
void Button2Click(object sender, EventArgs e)
{
Bitmap roibmp;
Pix roipix;
buttonRight.Enabled = false;
buttonNext.Enabled = false;
button2.Enabled = false;
Rectangle roi = ramka.getRoi();
Cursor = Cursors.WaitCursor;
roibmp = ramka.Image.Clone(roi, ramka.Image.PixelFormat);
roipix = PixConverter.ToPix(roibmp);
roibmp.Dispose();
Pix roipix1 = roipix.Deskew();
Bitmap newbm = PixConverter.ToBitmap(roipix1);
roipix.Dispose();
ramka.Image = newbm;
Cursor = Cursors.Default;
buttonRight.Enabled = true;
buttonNext.Enabled = true;
button2.Enabled = true;
}
/// <summary>
/// Remove speckles using Leptonica library.
/// </summary>
/// <param name="image"></param>
/// <param name="selStr"></param>
/// <param name="selSize"></param>
/// <returns></returns>
public static Bitmap RemoveSpeckles(Bitmap image, string selStr, int selSize)
{
//var sourcePixFilename = @"processing\w91frag.jpg";
using (Pix pix = PixConverter.ToPix(image))
{
PixColormap map = pix.Colormap;
pix.Colormap = null; // work around NPE during despeckle
// remove speckles
using (Pix result = pix.Despeckle(selStr, selSize))
{
if (result == null)
{
return(image);
}
return(InvertColor(PixConverter.ToBitmap(result))); // somehow, invert is needed
}
}
}
/// <summary>
/// Remove lines or borders using Leptonica library.
/// </summary>
/// <param name="image"></param>
/// <returns></returns>
public static Bitmap RemoveLines(Bitmap image)
{
using (Pix pix = PixConverter.ToPix(image))
{
// remove horizontal lines
using (Pix result = pix.RemoveLines())
{
// rotate 90 degrees CW
using (Pix result1 = result.Rotate90(1))
{
// effectively remove vertical lines
using (Pix result2 = result1.RemoveLines())
{
// rotate 90 degrees CCW
using (Pix result3 = result2.Rotate90(-1))
{
return(PixConverter.ToBitmap(result3));
}
}
}
}
}
}