public IPix ClipRectangle(IPix pix, IBox box)
{
if (pix == null)
{
throw new ArgumentNullException(nameof(pix));
}
var pointer = Leptonica5Filters.pixClipRectangle(pix.HandleRef.Handle, box.HandleRef.Handle, IntPtr.Zero).GetPointerOrThrow();
return(new Pix(pointer));
}
public IBox FindPageForeground(IPix pix, int threshold = 128, int minDistance = 50, int eraseDistance = 70)
{
if (pix == null)
{
throw new ArgumentNullException(nameof(pix));
}
var pointer = Leptonica5Filters.pixFindPageForeground(pix.HandleRef.Handle, threshold, minDistance, eraseDistance, 0, IntPtr.Zero).GetPointerOrThrow();
return(new Box(pointer));
}
public IPix PrepareOneBitPerPixel(IPix pix)
{
if (pix == null)
{
throw new ArgumentNullException(nameof(pix));
}
var pointer = Leptonica5Filters.pixPrepare1bpp(pix.HandleRef.Handle, IntPtr.Zero, 0, 0).GetPointerOrThrow();
return(new Pix(pointer));
}
public IPix OrientationCorrect(IPix pix, float minUpConfidence = 4f, float minRatio = 2.5f)
{
if (pix == null)
{
throw new ArgumentNullException(nameof(pix));
}
var pointer = Leptonica5Filters.pixOrientCorrect(pix.HandleRef.Handle, minUpConfidence, minRatio, out _, out _, out _, 0).GetPointerOrThrow();
return(new Pix(pointer));
}
public IPix DeskewBoth(IPix pix, DeskewReductionFactor searchReduction)
{
if (pix == null)
{
throw new ArgumentNullException(nameof(pix));
}
var pointer = Leptonica5Filters.pixDeskewBoth(pix.HandleRef.Handle, (int)searchReduction).GetPointerOrThrow();
return(new Pix(pointer));
}