float detectScaleByScalingAnchor()
{
Template.Anchor.CvImage sda = PageCollection.ActiveTemplate.GetScalingAnchor();
CvImage searchRectangleCI;
if (sda.SearchRectangleMargin >= 0)
{
RectangleF sr = getSearchRectangle(sda.Rectangle(), sda.SearchRectangleMargin);
Bitmap b = GetRectangleFromActiveTemplateBitmap(sr.X / Settings.Constants.Image2PdfResolutionRatio, sr.Y / Settings.Constants.Image2PdfResolutionRatio, sr.Width / Settings.Constants.Image2PdfResolutionRatio, sr.Height / Settings.Constants.Image2PdfResolutionRatio);
if (b == null)
{
throw new Exception("The scaling anchor's rectangle is null.");
}
searchRectangleCI = new CvImage(b);
}
else
{
searchRectangleCI = ActiveTemplateCvImage;
}
CvImage.Match m = sda.Image.FindBestMatchWithinImage(searchRectangleCI, sda.Threshold, sda.ScaleDeviation, PageCollection.ActiveTemplate.CvImageScalePyramidStep);
if (m != null)
{
return(m.Scale);
}
return(0);
}
/// <summary>
/// Runs through pyramid only until something is found.
/// </summary>
/// <param name="cvImage"></param>
/// <param name="padding"></param>
/// <param name="threshold"></param>
/// <param name="scaleDeviation"></param>
/// <param name="scaleStep"></param>
/// <returns></returns>
public List <Match> FindWithinImage(CvImage cvImage, Size padding, float threshold, float scaleDeviation, int scaleStep)
{
List <Match> ms;
ms = findWithinImage(image, padding, cvImage.image, threshold);
if (ms.Count > 0)
{
return(ms);
}
//running through pyramid
int stepCount = Convert.ToInt32(scaleDeviation * Width / scaleStep);
for (int i = 1; i <= stepCount; i++)
{
float scaleDelta = scaleStep * i / Width;
Image <Gray, byte> template = image.Resize(1 + scaleDelta, Inter.Linear);
ms = findWithinImage(template, padding, cvImage.image, threshold);
if (ms.Count > 0)
{
return(ms);
}
template = image.Resize(1 - scaleDelta, Inter.Linear);
ms = findWithinImage(template, padding, cvImage.image, threshold);
if (ms.Count > 0)
{
return(ms);
}
}
return(ms);
}
public System.Drawing.Point?FindWithinImage(CvImage cvImage, float threshold, float scaleDeviation, int scaleStep /*, out float detectedScale*/)
{
System.Drawing.Point?p;
p = findWithinImage(Image, cvImage.Image, threshold);
if (p != null)
{
return(p);
}
//running though pyramid
int stepCount = Convert.ToInt32(scaleDeviation * Width / scaleStep);
for (int i = 1; i <= stepCount; i++)
{
double scaleDelta = scaleStep * i / Width;
Image <Gray, byte> template = Image.Resize(1 + scaleDelta, Inter.Linear);
p = findWithinImage(template, cvImage.Image, threshold);
if (p != null)
{
return(p);
}
template = Image.Resize(1 - scaleDelta, Inter.Linear);
p = findWithinImage(template, cvImage.Image, threshold);
if (p != null)
{
return(p);
}
}
return(null);
}
public Match FindBestMatchWithinImage(CvImage cvImage, float threshold, float scaleDeviation, int scaleStep)
{
Match bestMatch = null;
Tuple <Point, float> p_s = findBestMatchWithinImage(image, cvImage.image);
if (p_s != null && p_s.Item2 > threshold)
{
bestMatch = new Match {
Rectangle = new Rectangle(p_s.Item1, new Size(image.Width, image.Height)), Scale = 1, Score = p_s.Item2
}
}
;
//running through pyramid
int stepCount = Convert.ToInt32(scaleDeviation * Width / scaleStep);
for (int i = 1; i <= stepCount; i++)
{
float scaleDelta = (float)scaleStep * i / Width;
float scale = 1 + scaleDelta;
Image <Gray, byte> template = image.Resize(scale, Inter.Linear);
p_s = findBestMatchWithinImage(template, cvImage.image);
if (p_s != null && (bestMatch == null && p_s.Item2 > threshold || bestMatch != null && p_s.Item2 > bestMatch.Score))
{
bestMatch = new Match {
Rectangle = new Rectangle(p_s.Item1, new Size(template.Width, template.Height)), Scale = scale, Score = p_s.Item2
}
}
;
scale = 1 - scaleDelta;
template = image.Resize(scale, Inter.Linear);
p_s = findBestMatchWithinImage(template, cvImage.image);
if (p_s != null && (bestMatch == null && p_s.Item2 > threshold || bestMatch != null && p_s.Item2 > bestMatch.Score))
{
bestMatch = new Match {
Rectangle = new Rectangle(p_s.Item1, new Size(template.Width, template.Height)), Scale = scale, Score = p_s.Item2
}
}
;
}
return(bestMatch);
}
/// <summary>
/// Run through pyramid and detect the best scale.
/// </summary>
/// <param name="cvImage"></param>
/// <param name="padding"></param>
/// <param name="threshold"></param>
/// <param name="scaleDeviation"></param>
/// <param name="scaleStep"></param>
/// <param name="bestScale"></param>
/// <returns></returns>
public List <Match> FindWithinImage(CvImage cvImage, Size padding, float threshold, float scaleDeviation, int scaleStep, out float bestScale)
{
bestScale = 1;
List <Match> bestMatches = findWithinImage(image, padding, cvImage.image, threshold);
float bestScore = bestMatches.Max(a => a.Score);
//running through pyramid
int stepCount = Convert.ToInt32(scaleDeviation * Width / scaleStep);
for (int i = 1; i <= stepCount; i++)
{
float scaleDelta = scaleStep * i / Width;
float scale = 1 + scaleDelta;
Image <Gray, byte> template = image.Resize(scale, Inter.Linear);
List <Match> ms = findWithinImage(template, padding, cvImage.image, threshold);
float s = ms.Max(a => a.Score);
if (bestScore > s)
{
break;
}
bestScale = scale;
bestMatches = ms;
bestScore = s;
}
for (int i = 1; i <= stepCount; i++)
{
float scaleDelta = scaleStep * i / Width;
float scale = 1 - scaleDelta;
Image <Gray, byte> template = image.Resize(scale, Inter.Linear);
List <Match> ms = findWithinImage(template, padding, cvImage.image, threshold);
float s = ms.Max(a => a.Score);
if (bestScore > s)
{
break;
}
bestScale = scale;
bestMatches = ms;
bestScore = s;
}
return(bestMatches);
}
public bool FindMatchesWithinImage(CvImage cvImage, float threshold, float scaleDeviation, int scaleStep, Func <Match, bool> getNext)
{
foreach (Match m in findMatchsWithinImage(image, 1, cvImage.image, threshold))
{
if (!getNext(m))
{
return(true);
}
}
//running through pyramid
int stepCount = Convert.ToInt32(scaleDeviation * Width / scaleStep);
for (int i = 1; i <= stepCount; i++)
{
float scaleDelta = (float)scaleStep * i / Width;
float scale = 1 + scaleDelta;
Image <Gray, byte> template = image.Resize(scale, Inter.Linear);
foreach (Match m in findMatchsWithinImage(template, scale, cvImage.image, threshold))
{
if (!getNext(m))
{
return(true);
}
}
scale = 1 - scaleDelta;
template = image.Resize(scale, Inter.Linear);
foreach (Match m in findMatchsWithinImage(template, scale, cvImage.image, threshold))
{
if (!getNext(m))
{
return(true);
}
}
}
return(false);
}
bool _findAnchor(Template.Anchor a, PointF parentAnchorPoint0, Func <PointF, bool> proceedOnFound)
{
if (!a.IsSet())
{
return(false);
}
RectangleF rectangle = a.Rectangle();
RectangleF searchRectangle;
{
if (a.ParentAnchorId != null)
{
RectangleF pameir = pageCollection.ActiveTemplate.Anchors.Find(x => x.Id == a.ParentAnchorId).Rectangle();
rectangle.X += parentAnchorPoint0.X - pameir.X;
rectangle.Y += parentAnchorPoint0.Y - pameir.Y;
}
if (a.SearchRectangleMargin >= 0)
{
searchRectangle = getSearchRectangle(rectangle, a.SearchRectangleMargin);
}
else
{
searchRectangle = new RectangleF();//not used, just stub to compile
}
}
switch (a.Type)
{
case Template.Anchor.Types.PdfText:
{
Template.Anchor.PdfText pt = (Template.Anchor.PdfText)a;
List <Template.Anchor.PdfText.CharBox> cbs = pt.CharBoxs;
if (pageCollection.ActiveTemplate.IgnoreInvisiblePdfChars)
{
cbs = cbs.Where(x => !Pdf.InvisibleCharacters.Contains(x.Char)).ToList();
}
if (cbs.Count < 1)
{
int w = (int)(Bitmap.Width * Settings.Constants.Image2PdfResolutionRatio - rectangle.Width);
int h = (int)(Bitmap.Height * Settings.Constants.Image2PdfResolutionRatio - rectangle.Height);
for (int i = 0; i < w; i++)
{
for (int j = 0; j < h; j++)
{
RectangleF actualR = new RectangleF(i, j, rectangle.Width, rectangle.Height);
if (PdfCharBoxs.FirstOrDefault(x => actualR.Contains(x.R) && (!pageCollection.ActiveTemplate.IgnoreInvisiblePdfChars || !Pdf.InvisibleCharacters.Contains(x.Char))) == null &&
!proceedOnFound(actualR.Location)
)
{
return(true);
}
}
}
return(false);
}
IEnumerable <Pdf.CharBox> tcb0s;
if (pt.SearchRectangleMargin < 0)
{
tcb0s = PdfCharBoxs.Where(x => x.Char == cbs[0].Char);
}
else
{
tcb0s = PdfCharBoxs.Where(x => x.Char == cbs[0].Char && searchRectangle.Contains(x.R));
}
List <Pdf.CharBox> tcbs = new List <Pdf.CharBox>();
foreach (Pdf.CharBox tcb0 in tcb0s)
{
tcbs.Clear();
tcbs.Add(tcb0);
for (int i = 1; i < cbs.Count; i++)
{
PointF p;
if (pt.PositionDeviationIsAbsolute)
{
p = new PointF(tcb0.R.X + cbs[i].Rectangle.X - cbs[0].Rectangle.X, tcb0.R.Y + cbs[i].Rectangle.Y - cbs[0].Rectangle.Y);
}
else
{
p = new PointF(tcbs[i - 1].R.X + cbs[i].Rectangle.X - cbs[i - 1].Rectangle.X, tcbs[i - 1].R.Y + cbs[i].Rectangle.Y - cbs[i - 1].Rectangle.Y);
}
foreach (Pdf.CharBox bt in PdfCharBoxs.Where(x => x.Char == cbs[i].Char))
{
if (Math.Abs(bt.R.X - p.X) <= pt.PositionDeviation && Math.Abs(bt.R.Y - p.Y) <= pt.PositionDeviation)
{
tcbs.Add(bt);
break;
}
}
if (tcbs.Count - 1 < i)
{
break;
}
}
if (tcbs.Count == cbs.Count)
{
SizeF shift = new SizeF(tcbs[0].R.X - cbs[0].Rectangle.X, tcbs[0].R.Y - cbs[0].Rectangle.Y);
RectangleF actualR = new RectangleF(rectangle.X + shift.Width, rectangle.Y + shift.Height, rectangle.Width, rectangle.Height);
if (PdfCharBoxs.FirstOrDefault(x => actualR.Contains(x.R) && !tcbs.Contains(x) && (!pageCollection.ActiveTemplate.IgnoreInvisiblePdfChars || !Pdf.InvisibleCharacters.Contains(x.Char))) == null &&
!proceedOnFound(actualR.Location)
)
{
return(true);
}
}
}
}
return(false);
case Template.Anchor.Types.OcrText:
{
Template.Anchor.OcrText ot = (Template.Anchor.OcrText)a;
List <Template.Anchor.OcrText.CharBox> cbs = ot.CharBoxs;
if (cbs.Count < 1)
{
int w = (int)(ActiveTemplateBitmap.Width * Settings.Constants.Image2PdfResolutionRatio - rectangle.Width);
int h = (int)(ActiveTemplateBitmap.Height * Settings.Constants.Image2PdfResolutionRatio - rectangle.Height);
for (int i = 0; i < w; i++)
{
for (int j = 0; j < h; j++)
{
RectangleF actualR = new RectangleF(i, j, rectangle.Width, rectangle.Height);
if (ActiveTemplateOcrCharBoxs.FirstOrDefault(x => actualR.Contains(x.R)) == null &&
!proceedOnFound(actualR.Location)
)
{
return(true);
}
}
}
return(false);
}
List <Ocr.CharBox> searchRectangleOcrCharBoxs;
IEnumerable <Ocr.CharBox> tcb0s;
if (ot.OcrEntirePage)
{
searchRectangleOcrCharBoxs = ActiveTemplateOcrCharBoxs;
if (ot.SearchRectangleMargin < 0)
{
tcb0s = searchRectangleOcrCharBoxs.Where(x => x.Char == cbs[0].Char);
}
else
{
tcb0s = searchRectangleOcrCharBoxs.Where(x => x.Char == cbs[0].Char && searchRectangle.Contains(x.R));
}
}
else if (ot.SearchRectangleMargin < 0)
{
searchRectangleOcrCharBoxs = ActiveTemplateOcrCharBoxs;
tcb0s = searchRectangleOcrCharBoxs.Where(x => x.Char == cbs[0].Char);
}
else
{
//RectangleF contaningRectangle = searchRectangle;
//for (int i = 1; i < ot.CharBoxs.Count; i++)
// contaningRectangle = RectangleF.Union(contaningRectangle, getSearchRectangle(ot.CharBoxs[i].Rectangle.GetSystemRectangleF(), a.SearchRectangleMargin));
//searchRectangleOcrCharBoxs = Ocr.This.GetCharBoxs(GetRectangleFromActiveTemplateBitmap(contaningRectangle.X / Settings.Constants.Image2PdfResolutionRatio, contaningRectangle.Y / Settings.Constants.Image2PdfResolutionRatio, contaningRectangle.Width / Settings.Constants.Image2PdfResolutionRatio, contaningRectangle.Height / Settings.Constants.Image2PdfResolutionRatio));
//PointF searchRectanglePosition = new PointF(contaningRectangle.X < 0 ? 0 : contaningRectangle.X, contaningRectangle.Y < 0 ? 0 : contaningRectangle.Y);
//searchRectangleOcrCharBoxs.ForEach(x => { x.R.X += contaningRectangle.X; x.R.Y += contaningRectangle.Y; });
//RectangleF mainElementSearchRectangle = new RectangleF(searchRectangle.X - searchRectanglePosition.X, searchRectangle.Y - searchRectanglePosition.Y, searchRectangle.Width, searchRectangle.Height);
//tcb0s = searchRectangleOcrCharBoxs.Where(x => x.Char == cbs[0].Char && contaningRectangle.Contains(x.R));
searchRectangleOcrCharBoxs = Ocr.This.GetCharBoxs(GetRectangleFromActiveTemplateBitmap(searchRectangle.X / Settings.Constants.Image2PdfResolutionRatio, searchRectangle.Y / Settings.Constants.Image2PdfResolutionRatio, searchRectangle.Width / Settings.Constants.Image2PdfResolutionRatio, searchRectangle.Height / Settings.Constants.Image2PdfResolutionRatio));
PointF searchRectanglePosition = new PointF(searchRectangle.X < 0 ? 0 : searchRectangle.X, searchRectangle.Y < 0 ? 0 : searchRectangle.Y);
searchRectangleOcrCharBoxs.ForEach(x => { x.R.X += searchRectanglePosition.X; x.R.Y += searchRectanglePosition.Y; });
tcb0s = searchRectangleOcrCharBoxs.Where(x => x.Char == cbs[0].Char && searchRectangle.Contains(x.R));
}
List <Ocr.CharBox> tcbs = new List <Ocr.CharBox>();
foreach (Ocr.CharBox tcb0 in tcb0s)
{
tcbs.Clear();
tcbs.Add(tcb0);
for (int i = 1; i < cbs.Count; i++)
{
PointF p;
if (ot.PositionDeviationIsAbsolute)
{
p = new PointF(tcb0.R.X + cbs[i].Rectangle.X - cbs[0].Rectangle.X, tcb0.R.Y + cbs[i].Rectangle.Y - cbs[0].Rectangle.Y);
}
else
{
p = new PointF(tcbs[i - 1].R.X + cbs[i].Rectangle.X - cbs[i - 1].Rectangle.X, tcbs[i - 1].R.Y + cbs[i].Rectangle.Y - cbs[i - 1].Rectangle.Y);
}
foreach (Ocr.CharBox bt in searchRectangleOcrCharBoxs.Where(x => x.Char == cbs[i].Char))
{
if (Math.Abs(bt.R.X - p.X) <= ot.PositionDeviation && Math.Abs(bt.R.Y - p.Y) <= ot.PositionDeviation)
{
tcbs.Add(bt);
break;
}
}
if (tcbs.Count - 1 < i)
{
break;
}
}
if (tcbs.Count == cbs.Count)
{
SizeF shift = new SizeF(tcbs[0].R.X - cbs[0].Rectangle.X, tcbs[0].R.Y - cbs[0].Rectangle.Y);
RectangleF actualR = new RectangleF(rectangle.X + shift.Width, rectangle.Y + shift.Height, rectangle.Width, rectangle.Height);
if (searchRectangleOcrCharBoxs.FirstOrDefault(x => actualR.Contains(x.R) && !tcbs.Contains(x)) == null &&
!proceedOnFound(actualR.Location)
)
{
return(true);
}
}
}
}
return(false);
case Template.Anchor.Types.ImageData:
{
Template.Anchor.ImageData idv = (Template.Anchor.ImageData)a;
Point searchRectanglePosition;
ImageData id0;
if (idv.SearchRectangleMargin < 0)
{
id0 = ActiveTemplateImageData;
searchRectanglePosition = new Point(0, 0);
}
else
{
searchRectanglePosition = new Point(searchRectangle.X < 0 ? 0 : (int)searchRectangle.X, searchRectangle.Y < 0 ? 0 : (int)searchRectangle.Y);
using (Bitmap b = GetRectangleFromActiveTemplateBitmap(searchRectangle.X / Settings.Constants.Image2PdfResolutionRatio, searchRectangle.Y / Settings.Constants.Image2PdfResolutionRatio, searchRectangle.Width / Settings.Constants.Image2PdfResolutionRatio, searchRectangle.Height / Settings.Constants.Image2PdfResolutionRatio))
{
id0 = new ImageData(b);
}
}
Point?p_ = idv.Image.FindWithinImage(id0, idv.BrightnessTolerance, idv.DifferentPixelNumberTolerance, idv.FindBestImageMatch);
if (p_ == null)
{
return(false);
}
Point p = (Point)p_;
return(!proceedOnFound(new PointF(searchRectanglePosition.X + p.X, searchRectanglePosition.Y + p.Y)));
}
case Template.Anchor.Types.CvImage:
{
Template.Anchor.CvImage civ = (Template.Anchor.CvImage)a;
Point searchRectanglePosition;
CvImage ci0;
if (civ.SearchRectangleMargin < 0)
{
ci0 = ActiveTemplateCvImage;
searchRectanglePosition = new Point(0, 0);
}
else
{
searchRectanglePosition = new Point(searchRectangle.X < 0 ? 0 : (int)searchRectangle.X, searchRectangle.Y < 0 ? 0 : (int)searchRectangle.Y);
ci0 = new CvImage(GetRectangleFromActiveTemplateBitmap(searchRectangle.X / Settings.Constants.Image2PdfResolutionRatio, searchRectangle.Y / Settings.Constants.Image2PdfResolutionRatio, searchRectangle.Width / Settings.Constants.Image2PdfResolutionRatio, searchRectangle.Height / Settings.Constants.Image2PdfResolutionRatio));
}
Point?p_ = civ.Image.FindWithinImage(ci0, civ.Threshold, civ.ScaleDeviation, pageCollection.ActiveTemplate.CvImageScalePyramidStep);
if (p_ == null)
{
return(false);
}
Point p = (Point)p_;
return(!proceedOnFound(new PointF(searchRectanglePosition.X + p.X, searchRectanglePosition.Y + p.Y)));
}
default:
throw new Exception("Unknown option: " + a.Type);
}
}
public List <Match> FindWithinImage(CvImage cvImage, Size padding, float threshold, float scale)
{
Image <Gray, byte> template = image.Resize(scale, Inter.Linear);
return(findWithinImage(template, padding, cvImage.image, threshold));
}