List <string> getPdfTextLines()
{
if (ActualRectangle == null)
{
return(null);
}
RectangleF ar = (RectangleF)ActualRectangle;
TextAutoInsertSpace textAutoInsertSpace = ActualField.TextAutoInsertSpace != null ? ActualField.TextAutoInsertSpace : page.PageCollection.ActiveTemplate.TextAutoInsertSpace;
if (ActualField.ColumnOfTable == null)
{
return(Pdf.GetTextLinesSurroundedByRectangle(page.PdfCharBoxs, ar, textAutoInsertSpace));
}
List <string> ls = new List <string>();
List <Pdf.CharBox> cbs = (List <Pdf.CharBox>)TableFieldActualInfo.GetValue(Template.Field.Types.PdfCharBoxs);
foreach (Line <Pdf.CharBox> l in GetLines(cbs, textAutoInsertSpace, null))
{
StringBuilder sb = new StringBuilder();
foreach (Pdf.CharBox cb in l.CharBoxs)
{
if (cb.R.Left >= ar.Left && cb.R.Right <= ar.Right && cb.R.Top >= ar.Top && cb.R.Bottom <= ar.Bottom)
{
sb.Append(cb.Char);
}
}
ls.Add(sb.ToString());
}
return(ls);
}
public static List <Line> GetLines(IEnumerable <CharBox> cbs, TextAutoInsertSpace textAutoInsertSpace)
{
bool spaceAutoInsert = textAutoInsertSpace != null && textAutoInsertSpace.Threshold > 0;
cbs = cbs.OrderBy(a => a.R.X).ToList();
List <Line> lines = new List <Line>();
foreach (CharBox cb in cbs)
{
for (int i = 0; i < lines.Count; i++)
{
if (cb.R.Bottom < lines[i].Top)
{
Line l = new Line {
Top = cb.R.Top, Bottom = cb.R.Bottom
};
l.CharBoxs.Add(cb);
lines.Insert(i, l);
goto CONTINUE;
}
if (cb.R.Bottom - cb.R.Height / 2 <= lines[i].Bottom)
{
if (spaceAutoInsert && /*cb.Char != " " &&*/ lines[i].CharBoxs.Count > 0)
{
CharBox cb0 = lines[i].CharBoxs[lines[i].CharBoxs.Count - 1];
if (/*cb0.Char != " " && */ cb.R.Left - cb0.R.Right > (cb.R.Width + cb.R.Height) / textAutoInsertSpace.Threshold)
{
float spaceWidth = (cb.R.Width + cb.R.Width) / 2;
int spaceNumber = (int)Math.Ceiling((cb.R.Left - cb0.R.Right) / spaceWidth);
for (int j = 0; j < spaceNumber; j++)
{
lines[i].CharBoxs.Add(new CharBox {
Char = textAutoInsertSpace.Representative, R = new System.Drawing.RectangleF(cb.R.Left + spaceWidth * j, 0, 0, 0)
});
}
}
}
lines[i].CharBoxs.Add(cb);
if (lines[i].Top > cb.R.Top)
{
lines[i].Top = cb.R.Top;
}
if (lines[i].Bottom < cb.R.Bottom)
{
lines[i].Bottom = cb.R.Bottom;
}
goto CONTINUE;
}
}
{
Line l = new Line {
Top = cb.R.Top, Bottom = cb.R.Bottom
};
l.CharBoxs.Add(cb);
lines.Add(l);
}
CONTINUE :;
}
return(lines);
}
public static string GetText(IEnumerable <CharBox> cbs, TextAutoInsertSpace textAutoInsertSpace)
{
List <string> ls = new List <string>();
foreach (Line l in GetLines(cbs, textAutoInsertSpace))
{
StringBuilder sb = new StringBuilder();
foreach (CharBox cb in l.CharBoxs)
{
sb.Append(cb.Char);
}
ls.Add(sb.ToString());
}
return(string.Join("\r\n", ls));
}
public AnchorPdfTextControl(TextAutoInsertSpace textAutoInsertSpace)
{
InitializeComponent();
this.textAutoInsertSpace = textAutoInsertSpace;
cSearchRectangleMargin.CheckedChanged += delegate
{
SearchRectangleMargin.Enabled = cSearchRectangleMargin.Checked;
if (SearchRectangleMargin.Value >= 0)
{
return;
}
SearchRectangleMargin.Value = cSearchRectangleMargin.Checked ? ((_object == null || _object.ParentAnchorId != null) ? (decimal)Settings.Constants.CoordinateDeviationMargin : 100) : -1;
};
}
public static string GetText(IEnumerable <CharBox> cbs, TextAutoInsertSpace textAutoInsertSpace)
{
return(string.Join("\r\n", GetTextLines(cbs, textAutoInsertSpace)));
}
public static List <string> GetTextLines <CharBoxT>(IEnumerable <CharBoxT> cbs, TextAutoInsertSpace textAutoInsertSpace) where CharBoxT : CharBox, new()
{
List <string> ls = new List <string>();
foreach (Line <CharBoxT> l in GetLines(cbs, textAutoInsertSpace))
{
StringBuilder sb = new StringBuilder();
foreach (CharBox cb in l.CharBoxs)
{
sb.Append(cb.Char);
}
ls.Add(sb.ToString());
}
return(ls);
}
public static List <string> GetTextLinesSurroundedByRectangle(IEnumerable <CharBox> cbs, System.Drawing.RectangleF r, TextAutoInsertSpace textAutoInsertSpace)
{
cbs = GetCharBoxsSurroundedByRectangle(cbs, r);
List <string> ls = new List <string>();
foreach (Line l in GetLines(cbs, textAutoInsertSpace))
{
StringBuilder sb = new StringBuilder();
foreach (CharBox cb in l.CharBoxs)
{
sb.Append(cb.Char);
}
ls.Add(sb.ToString());
}
return(ls);
}
public static List <string> GetTextLinesSurroundedByRectangle(IEnumerable <CharBox> cbs, System.Drawing.RectangleF r, TextAutoInsertSpace textAutoInsertSpace)
{
cbs = GetCharBoxsSurroundedByRectangle(cbs, r);
List <string> ls = new List <string>();
foreach (Line l in GetLines(cbs, textAutoInsertSpace))
{
ls.Add(l.ToString());
}
return(ls);
}
public static List <string> GetTextLines <CharBoxT>(IEnumerable <CharBoxT> cbs, TextAutoInsertSpace textAutoInsertSpace, CharFilter charFilter) where CharBoxT : CharBox, new()
{
return(GetLines(cbs, textAutoInsertSpace, charFilter).Select(a => a.GetString()).ToList());
}
//public static string GetTextByTopLeftCoordinates(List<CharBox> orderedCbs, RectangleF r)
//{
// orderedCbs = orderedCbs.Where(a => (r.Contains(a.R) /*|| d.IntersectsWith(a.R)*/)).ToList();
// return orderedCbs.Aggregate(new StringBuilder(), (sb, n) => sb.Append(n)).ToString();
//}
public static string GetTextSurroundedByRectangle(List <CharBox> cbs, RectangleF r, TextAutoInsertSpace textAutoInsertSpace)
{
return(string.Join("\r\n", GetTextLinesSurroundedByRectangle(cbs, r, textAutoInsertSpace)));
}
public static List <string> GetTextLinesSurroundedByRectangle(IEnumerable <CharBox> cbs, System.Drawing.RectangleF r, TextAutoInsertSpace textAutoInsertSpace)
{
cbs = GetCharBoxsSurroundedByRectangle(cbs, r);
return(Page.GetLines(cbs, textAutoInsertSpace, null).Select(a => a.GetString()).ToList());
}
List <string> getOcrTextLines()
{
if (ActualRectangle == null)
{
return(null);
}
RectangleF ar = (RectangleF)ActualRectangle;
Template.Field.Ocr aof = ActualField as Template.Field.Ocr;
TextAutoInsertSpace textAutoInsertSpace = aof?.TextAutoInsertSpace != null ? aof?.TextAutoInsertSpace : page.PageCollection.ActiveTemplate.TextAutoInsertSpace;
if (ActualField.ColumnOfTable == null)
{
if (aof?.SingleFieldFromFieldImage ?? page.PageCollection.ActiveTemplate.SingleFieldFromFieldImage)
{
List <Ocr.CharBox> cs = Ocr.This.GetCharBoxsSurroundedByRectangle(page.ActiveTemplateBitmap, ar, aof?.TesseractPageSegMode ?? page.PageCollection.ActiveTemplate.TesseractPageSegMode);
if (cs == null)
{
return(null);
}
return(GetTextLines(cs, textAutoInsertSpace, ActualField.CharFilter ?? page.PageCollection.ActiveTemplate.CharFilter));
}
else
{
return(Ocr.GetTextLinesSurroundedByRectangle(page.ActiveTemplateOcrCharBoxs, ar, textAutoInsertSpace, ActualField.CharFilter ?? page.PageCollection.ActiveTemplate.CharFilter));
}
}
if (!TableFieldActualInfo.Found)
{
return(null);
}
List <Ocr.CharBox> cbs = (List <Ocr.CharBox>)TableFieldActualInfo.GetValue(Template.Field.Types.OcrCharBoxs);
List <string> ls = new List <string>();
if (aof?.ColumnCellFromCellImage ?? page.PageCollection.ActiveTemplate.ColumnCellFromCellImage)
{
List <Line <Ocr.CharBox> > ols = GetLines(cbs, null, ActualField.CharFilter ?? page.PageCollection.ActiveTemplate.CharFilter);
if (aof?.AdjustLineBorders ?? page.PageCollection.ActiveTemplate.AdjustLineBorders)
{
AdjustBorders(ols, TableFieldActualInfo.ActualRectangle.Value);
}
else
{
PadLines(ols, ActualField.LinePaddingY ?? page.PageCollection.ActiveTemplate.LinePaddingY);
}
foreach (Line <Ocr.CharBox> l in ols)
{
float x = ar.X > TableFieldActualInfo.ActualRectangle.Value.X ? ar.X : TableFieldActualInfo.ActualRectangle.Value.X;
RectangleF r = new RectangleF(
x,
l.Top,
(ar.Right < TableFieldActualInfo.ActualRectangle.Value.Right ? ar.Right : TableFieldActualInfo.ActualRectangle.Value.Right) - x,
l.Bottom - l.Top
);
List <Ocr.CharBox> cs = Ocr.This.GetCharBoxsSurroundedByRectangle(page.ActiveTemplateBitmap, r, aof?.TesseractPageSegMode ?? page.PageCollection.ActiveTemplate.TesseractPageSegMode);
ls.Add(cs != null ? string.Join("", GetTextLines(cs, textAutoInsertSpace, ActualField.CharFilter ?? page.PageCollection.ActiveTemplate.CharFilter)) : "");
}
}
else
{
foreach (Line <Ocr.CharBox> l in GetLines(cbs, textAutoInsertSpace, ActualField.CharFilter ?? page.PageCollection.ActiveTemplate.CharFilter))
{
StringBuilder sb = new StringBuilder();
foreach (Ocr.CharBox cb in l.CharBoxs)
{
if (cb.R.Left >= ar.Left && cb.R.Right <= ar.Right && cb.R.Top >= ar.Top && cb.R.Bottom <= ar.Bottom)
{
sb.Append(cb.Char);
}
}
ls.Add(sb.ToString());
}
}
return(ls);
}
public static List <Line> RemoveDuplicatesAndGetLines(IEnumerable <CharBox> cbs, TextAutoInsertSpace textAutoInsertSpace)
{
return(GetLines(removeDuplicates(cbs), textAutoInsertSpace));
}
public static List <Line <CharBoxT> > GetLines <CharBoxT>(IEnumerable <CharBoxT> cbs, TextAutoInsertSpace textAutoInsertSpace, CharFilter charFilter) where CharBoxT : CharBox, new()
{
if (textAutoInsertSpace?.IgnoreSourceSpaces == true)
{
cbs = cbs.Where(a => a.Char != " ");
}
if (charFilter != null)//to filter out wrong OCR chars like borders etc which brakes lines
{
//SizeF s=new SizeF(ignoreCharsBiggerThan.Width*Settings.Constants.Pdf2ImageResolutionRatio)
float maxWidth = charFilter.MaxWidth <= 0 ? float.MaxValue : charFilter.MaxWidth;
float maxHeight = charFilter.MaxHeight <= 0 ? float.MaxValue : charFilter.MaxHeight;
cbs = cbs.Where(a => a.R.Width >= charFilter.MinWidth && a.R.Width <= maxWidth && a.R.Height >= charFilter.MinHeight && a.R.Height <= maxHeight);
}
List <Line <CharBoxT> > lines = new List <Line <CharBoxT> >();
foreach (CharBoxT cb in cbs)
{
for (int i = 0; i < lines.Count; i++)
{
float mY = cb.R.Bottom - cb.R.Height / 2;
if (mY < lines[i].Top)
{
Line <CharBoxT> l = new Line <CharBoxT> {
Top = cb.R.Top, Bottom = cb.R.Bottom
};
l.CharBoxs.Add(cb);
lines.Insert(i, l);
goto NEXT_CHAR;
}
if (mY <= lines[i].Bottom)//the char's center is in the line
{
lines[i].CharBoxs.Add(cb);
if (lines[i].Top > cb.R.Top)
{
lines[i].Top = cb.R.Top;
}
if (lines[i].Bottom < cb.R.Bottom)
{
lines[i].Bottom = cb.R.Bottom;
}
goto NEXT_CHAR;
}
}
{
Line <CharBoxT> l = new Line <CharBoxT> {
Top = cb.R.Top, Bottom = cb.R.Bottom
};
l.CharBoxs.Add(cb);
lines.Add(l);
}
NEXT_CHAR :;
}
for (int i = 1; i < lines.Count; i++)
{
float intersectionH2 = (lines[i - 1].Bottom - lines[i].Top) * 2;
if (intersectionH2 > lines[i - 1].Height || intersectionH2 > lines[i].Height)
{
lines[i - 1].CharBoxs.AddRange(lines[i].CharBoxs);
if (lines[i - 1].Top > lines[i].Top)
{
lines[i - 1].Top = lines[i].Top;
}
if (lines[i - 1].Bottom < lines[i].Bottom)
{
lines[i - 1].Bottom = lines[i].Bottom;
}
lines.RemoveAt(i);
i--;
}
}
lines.ForEach(a => a.CharBoxs = a.CharBoxs.OrderBy(b => b.R.X).ToList());
if (textAutoInsertSpace?.Threshold > 0)
{
foreach (Line <CharBoxT> l in lines)
{
for (int i = 1; i < l.CharBoxs.Count; i++)
{
CharBox cb0 = l.CharBoxs[i - 1];
CharBox cb = l.CharBoxs[i];
if (/*cb0.Char != " " && */ cb.R.Left - cb0.R.Right > (/*cb0.R.Width*/ 0.8 / cb0.R.Height + /*cb.R.Width*/ 0.8 / cb.R.Height) * textAutoInsertSpace.Threshold)
{
float spaceWidth = (cb0.R.Width + cb.R.Width) / 2;
int spaceNumber = (int)Math.Ceiling((cb.R.Left - cb0.R.Right) / spaceWidth);
for (int j = 0; j < spaceNumber; j++)
{
l.CharBoxs.Insert(i, new CharBoxT {
Char = textAutoInsertSpace.Representative, R = new RectangleF(cb0.R.Right + spaceWidth * j, cb0.R.Y, spaceWidth, cb.R.Height)
});
}
i += spaceNumber;
}
}
}
}
return(lines);
}
//public static string GetTextSurroundedByRectangle(List<CharBox> cbs, RectangleF r, TextAutoInsertSpace textAutoInsertSpace, Template.CharFilter charFilter)
//{
// return string.Join("\r\n", GetTextLinesSurroundedByRectangle(cbs, r, textAutoInsertSpace, charFilter));
//}
public static List <Page.Line <CharBox> > GetLinesSurroundedByRectangle(List <CharBox> cbs, RectangleF r, TextAutoInsertSpace textAutoInsertSpace, CharFilter charFilter)
{
cbs = GetCharBoxsSurroundedByRectangle(cbs, r);
return(Page.GetLines(cbs, textAutoInsertSpace, charFilter));
}
public static List <string> GetTextLinesSurroundedByRectangle(List <CharBox> cbs, RectangleF r, TextAutoInsertSpace textAutoInsertSpace, CharFilter charFilter)
{
cbs = GetCharBoxsSurroundedByRectangle(cbs, r);
return(Page.GetLines(cbs, textAutoInsertSpace, charFilter).Select(a => a.GetString()).ToList());
}
/// <summary>
/// Splits the chars onto non-intesecting lines.
/// </summary>
/// <typeparam name="CharBoxT"></typeparam>
/// <param name="cbs"></param>
/// <param name="textAutoInsertSpace"></param>
/// <returns></returns>
public static List <Line <CharBoxT> > GetLines2 <CharBoxT>(IEnumerable <CharBoxT> cbs, TextAutoInsertSpace textAutoInsertSpace) where CharBoxT : CharBox, new()
{//!!!no line must intersect with an other!!!
bool spaceAutoInsert = textAutoInsertSpace?.Threshold > 0;
if (textAutoInsertSpace?.IgnoreSourceSpaces == true)
{
cbs = cbs.Where(a => a.Char != " ");
}
List <Line <CharBoxT> > lines = new List <Line <CharBoxT> >();
foreach (CharBoxT cb in cbs)
{
for (int i = 0; i < lines.Count; i++)
{
if (cb.R.Bottom < lines[i].Top)
{
Line <CharBoxT> l = new Line <CharBoxT> {
Top = cb.R.Top, Bottom = cb.R.Bottom
};
l.CharBoxs.Add(cb);
lines.Insert(i, l);
goto NEXT_CHAR;
}
if (cb.R.Top <= lines[i].Bottom) //the char is on the line
{
if (i + 1 < lines.Count && cb.R.Bottom >= lines[i + 1].Top) //the char is also on the next line
{
lines[i].CharBoxs.AddRange(lines[i + 1].CharBoxs);
if (lines[i].Top > lines[i + 1].Top)
{
lines[i].Top = lines[i + 1].Top;
}
if (lines[i].Bottom < lines[i + 1].Bottom)
{
lines[i].Bottom = lines[i + 1].Bottom;
}
lines.RemoveAt(i + 1);
}
lines[i].CharBoxs.Add(cb);
if (lines[i].Top > cb.R.Top)
{
lines[i].Top = cb.R.Top;
}
if (lines[i].Bottom < cb.R.Bottom)
{
lines[i].Bottom = cb.R.Bottom;
}
goto NEXT_CHAR;
}
}
{
Line <CharBoxT> l = new Line <CharBoxT> {
Top = cb.R.Top, Bottom = cb.R.Bottom
};
l.CharBoxs.Add(cb);
lines.Add(l);
}
NEXT_CHAR :;
}
for (int i = 1; i < lines.Count; i++)
{
float intersetionH2 = (lines[i - 1].Bottom - lines[i].Top) * 2;
if (intersetionH2 > lines[i - 1].Height || intersetionH2 > lines[i].Height)
{
lines[i - 1].CharBoxs.AddRange(lines[i].CharBoxs);
if (lines[i - 1].Top > lines[i].Top)
{
lines[i - 1].Top = lines[i].Top;
}
if (lines[i - 1].Bottom < lines[i].Bottom)
{
lines[i - 1].Bottom = lines[i].Bottom;
}
lines.RemoveAt(i);
i--;
}
}
lines.ForEach(a => a.CharBoxs = a.CharBoxs.OrderBy(b => b.R.X).ToList());
if (spaceAutoInsert)
{
foreach (Line <CharBoxT> l in lines)
{
for (int i = 1; i < l.CharBoxs.Count; i++)
{
CharBox cb0 = l.CharBoxs[i - 1];
CharBox cb = l.CharBoxs[i];
if (/*cb0.Char != " " && */ cb.R.Left - cb0.R.Right > (/*cb0.R.Width*/ 0.8 / cb0.R.Height + /*cb.R.Width*/ 0.8 / cb.R.Height) * textAutoInsertSpace.Threshold)
{
float spaceWidth = (cb0.R.Width + cb.R.Width) / 2;
int spaceNumber = (int)Math.Ceiling((cb.R.Left - cb0.R.Right) / spaceWidth);
for (int j = 0; j < spaceNumber; j++)
{
l.CharBoxs.Insert(i, new CharBoxT {
Char = textAutoInsertSpace.Representative, R = new RectangleF(cb0.R.Right + spaceWidth * j, cb0.R.Y, spaceWidth, cb.R.Height)
});
}
i += spaceNumber;
}
}
}
}
return(lines);
}
