public static Image Invert(this Image imagex)
{
var image = AForge.Imaging.Image.Clone(new Bitmap(imagex), PixelFormat.Format24bppRgb);
var filter = new Invert();
filter.ApplyInPlace(image);
var fastImage = new LockBitmap(image);
fastImage.LockBits();
var vert = 0;
while (vert < fastImage.Height)
{
var hor = 0;
while (hor < fastImage.Width)
{
var color = fastImage.GetPixel(hor, vert);
if (color.R >= 90)
{
fastImage.SetPixel(hor, vert, Color.White);
}
hor++;
}
vert++;
}
fastImage.UnlockBits();
return(fastImage.GetBitmap());
}
public static Bitmap ClearHorizontalBars(Bitmap imageoriginal)
{
LockBitmap image = new LockBitmap(imageoriginal);
image.LockBits();
// var image = imageoriginal.Clone(0, 0, imageoriginal.Width, imageoriginal.Height);
var vert = 0;
while (vert < image.Height)
{
var hor = 0;
while (hor < image.Width)
{
var color = image.GetPixel(hor, vert);
if (color.R <= 255 && color.R >= 240 && color.G <= 255 && color.G >= 240 && color.B <= 255 &&
color.B >= 240)
{
image.SetPixel(hor, vert, Color.White);
}
if (!(color.R == 255 && color.B == 255 && color.G == 255) && (hor == 0))
{
for (var dotwice = -3; dotwice < 3; dotwice++)
{
for (var horclear = 0; horclear < image.Width; horclear++)
{
if (vert + dotwice < 0)
{
}
else
{
if (vert + dotwice > image.Height - 1)
{
image.SetPixel(horclear, vert, Color.White);
dotwice = 3;
}
else
{
image.SetPixel(horclear, vert + dotwice, Color.White);
}
}
}
}
}
hor++;
}
vert++;
}
image.UnlockBits();
return(image.GetBitmap());
}
private static ImageAndRowList DefineRows(List <Row> rowlist, Image imageX)
{
var vert = 0;
var image = new LockBitmap((Bitmap)imageX.Clone());
image.LockBits();
while (vert < image.Height)
{
var hor = 0;
while (hor < image.Width)
{
var color = image.GetPixel(hor, vert);
if (color.R == 255 && color.G == 255 && color.B == 255)
{
image.SetPixel(hor, vert, Color.Green);
hor++;
}
else
{
hor = image.Width;
}
}
vert++;
}
for (var x = 0; x < image.Height; x++)
{
var color = image.GetPixel(image.Width - 1, x);
if (color.R != 255 && color.G != 255 && color.B != 255)
{
x++;
}
else
{
var i = x - 2;
if (i < 0)
{
i = 0;
}
var thisrow = new Row {
RowTop = i
};
while (color.R == 255 && color.G == 255 && color.B == 255 && x < image.Height - 1)
{
x++;
color = image.GetPixel(image.Width - 1, x);
}
thisrow.RowBottom = x + 2;
if (thisrow.RowBottom - thisrow.RowTop > ((int)(image.Height * .0088)))
{
rowlist.Add(thisrow);
}
}
}
image.UnlockBits();
return(new ImageAndRowList {
image = imageX, listrow = rowlist
});
}
