/// <summary>
/// Applies filter to image
/// </summary>
/// <param name="bitmap">Bitmap</param>
/// <param name="filter">Filter</param>
private Bitmap ApplyFilter(Bitmap bitmap, Filter filter)
{
switch (filter.FilterType)
{
case FilterType.Binarization:
return(BitmapHelper.Binarize(bitmap, (byte)filter.Parameters.ToInt32()));
case FilterType.Brightness:
return(BitmapHelper.SetBrightness(bitmap, filter.Parameters.ToInt32()));
case FilterType.Contrast:
return(BitmapHelper.SetContrast(bitmap, filter.Parameters.ToInt32()));
case FilterType.GammaCorrection:
return(BitmapHelper.SetGammaCorrection(bitmap, filter.Parameters.ToInt32()));
case FilterType.AutoCrop:
return(BitmapHelper.AutoCropBorders(bitmap));
case FilterType.Crop:
return(BitmapHelper.Crop(bitmap, (Rectangle)filter.Parameters));
case FilterType.Dilation:
return(BitmapHelper.Dilate(bitmap));
case FilterType.Erosion:
return(BitmapHelper.Erode(bitmap));
case FilterType.PunchHolesRemoval:
return(BitmapHelper.RemovePunchHoles(bitmap, (PunchHolesPositions)filter.Parameters));
case FilterType.BlobsRemoval:
return(BitmapHelper.RemoveBlobs(bitmap, (BlobsDimensions)filter.Parameters));
case FilterType.LinesRemoval:
return(BitmapHelper.RemoveLines(bitmap, filter.Parameters.ToEnum(LineRemoveOrientation.None)));
case FilterType.StapleMarksRemoval:
return(BitmapHelper.RemoveStapleMarks(bitmap));
case FilterType.NoiseRemoval:
return(BitmapHelper.RemoveNoise(bitmap));
case FilterType.AutoDeskew:
return(BitmapHelper.AutoDeskew(bitmap));
case FilterType.Rotation:
return(BitmapHelper.Rotate(bitmap, (float)filter.Parameters.ToInt32(), Color.Black));
case FilterType.Sharpness:
return(BitmapHelper.SetSharpness(bitmap, filter.Parameters.ToInt32()));
default:
throw new ArgumentOutOfRangeException();
}
}
