private void CheckTextWithRecognition(Page Page, int PageImageID)
{
using (GdPictureImaging Imaging = new GdPictureImaging()) {
Imaging.OCRTesseractSetOCRContext(OCRContext.OCRContextSingleBlock);
Imaging.OCRTesseractSetPassCount(2);
for (int i = 0; i < Page.TextAreas.Count; i++)
{
var Area = Page.TextAreas[i];
if (!IsEven(Area.Text.Length))
{
continue;
}
var Left = Area.Text.Substring(0, Area.Text.Length / 2);
var Right = Area.Text.Substring(Area.Text.Length / 2);
if (Left != Right)
{
continue;
}
int Width = (int)Area.Width + 2;
int Height = (int)Area.Height + 2;
int TempId = Imaging.CreateNewGdPictureImage(Width, Height, 1, System.Drawing.Color.Transparent);
Imaging.DrawGdPictureImageRect(PageImageID, TempId, 1, 1, Width, Height, (int)Area.Bound.Left, (int)Area.Bound.Top,
Width, Height, System.Drawing.Drawing2D.InterpolationMode.NearestNeighbor);
//Imaging.SetROI((int)Area.Bound.Left - 10, (int)Area.Bound.Top - 1, (int)Area.Width + 2, (int)Area.Height + 20);
string RecognizedValue = Imaging.OCRTesseractDoOCR(TempId, "nld", ATAPY.Common.Application.Path, string.Empty);
Imaging.OCRTesseractClear();
//Imaging.SaveAsPNG(TempId, @"d:\Temp\P2P\" + string.Format("Page_{0}_Word_{1}_Cropped.png", Page.Index, i.ToString("D3")));
Imaging.ReleaseGdPictureImage(TempId);
//check for words duplication
if (RecognizedValue.Length * 2 == Area.Text.Length)
{
if (Area.Text == RecognizedValue + RecognizedValue)
{
Area.Text = RecognizedValue;
FillCharParams(Area);
}
}
else if (ATAPY.Common.String.MatchRegularExpression(Left, @"^EUR|€|$\d+\s?[.,]?\s?\d*\s?[.,]?\s?\d{2}$"))
{
Area.Text = Left;
FillCharParams(Area);
}
/*else if (IsEven(Area.Text.Length)) {
* var Left = Area.Text.Substring(0, Area.Text.Length / 2);
* var Right = Area.Text.Substring(Area.Text.Length / 2);
* if (Left == Right && ATAPY.Common.String.MatchRegularExpression(Left, @"^EUR|€|$\d+\s?[.,]?\s?\d*\s?[.,]?\s?\d{2}$")) {
* Area.Text = Left;
* FillCharParams(Area);
* }
* }*/
}
}
}
private void FillPageText(string PageText, GdPicturePDF SourcePDF, Page Page)
{
GdPictureImaging GdPictureImaging = new GdPictureImaging();
var Words = PageText.Split(new char[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
SourcePDF.SetOrigin(PdfOrigin.PdfOriginTopLeft);
SourcePDF.SetMeasurementUnit(PdfMeasurementUnit.PdfMeasurementUnitPoint);
for (int i = 0; i < Words.Length; i++)
{
string WordSet = Words[i];
try {
var Coords = WordSet.Split(SEPARATOR[0]);
var Word = CorrectWord(Coords[8]);
if (!string.IsNullOrEmpty(Word) && !string.IsNullOrWhiteSpace(Word))
{
E_TextOrientation Orientation;
System.Windows.Rect Rect = GetRect(Coords, out Orientation);
if (Rect.IsEmpty)
{
continue;
}
//var asdf = SourcePDF.GetPageTextArea(0, 0, 500, 500);
//var AltText = SourcePDF.GetPageTextArea((float)(Rect.Left / Scale / 72.0), (float)(Rect.Top / Scale / 72.0), (float)(Rect.Width / Scale / 72.0), (float)(Rect.Height / Scale / 72.0));
TextArea Area = new TextArea(Rect, Word, Page);
Area.Orientation = Orientation;
//SetPDFFontSize(SourcePDF, Area, Fonts);
if (Orientation == E_TextOrientation.LeftRight)
{
Page.TextAreas.Add(Area);
FillCharParams(Area);
}
}
} catch (Exception ex) {
throw ex;
}
}
int ID = GdPictureImaging.CreateNewGdPictureImage((int)Page.Width, (int)Page.Height, 24, System.Drawing.Color.White);
foreach (var item in Page.TextAreas)
{
//calc sizes
var FontSize = GetFontSize(GdPictureImaging, ID, item, "Arial");
/*if (item.Text == "-") {
* var a = item.FontSize;
* }*/
}
GdPictureImaging.ReleaseGdPictureImage(ID);
}
private void CorrectTextCoordinates(Page Page, int PageImageID)
{
using (GdPictureImaging Imaging = new GdPictureImaging()) {
var Bd = (short)Imaging.GetBitDepth(PageImageID);
Dictionary <double, double> AverageNewHeight = new Dictionary <double, double>();
Dictionary <double, int> AverageNewHeightAreas = new Dictionary <double, int>();
for (int i = 0; i < Page.TextAreas.Count; i++)
{
var Area = Page.TextAreas[i];
int Width = (int)Area.Width + 1;
int Height = (int)Area.Height + 1;
int TempId = Imaging.CreateNewGdPictureImage(Width, Height, 1, System.Drawing.Color.Transparent);
//var ExpectedHeight = Imaging.GetTextHeight(TempId, "W", "Arial", (float)Area.FontSize, GdPicture9.FontStyle.FontStyleRegular);
Imaging.DrawGdPictureImageRect(PageImageID, TempId, 0, 0, Width, Height, (int)Area.Bound.Left, (int)Area.Bound.Top,
Width, Height, System.Drawing.Drawing2D.InterpolationMode.NearestNeighbor);
if (Imaging.GetAverageColor(TempId).Name == "ffffffff")
{
//transparent or white text printed.
if (!AverageNewHeight.ContainsKey(Area.FontSize))
{
AverageNewHeight.Add(Area.FontSize, Area.Height);
AverageNewHeightAreas.Add(Area.FontSize, 1);
}
else
{
AverageNewHeight[Area.FontSize] += Area.Height;
AverageNewHeightAreas[Area.FontSize]++;
}
continue;
}
bool[] VerticalLines;
var LinesSpread = GetAreaLines(TempId, Imaging, Width, Height, out VerticalLines);
int TopOffset;
int BottomOffset;
int LeftOfffset;
int RightOffset;
bool Is2Dots = (Area.Text == ":" || Area.Text == ";");
/*if (Area.Text == "-") {
* Imaging.ReleaseGdPictureImage(TempId);
* continue;
* }*/
AnalyzeLines(LinesSpread, out TopOffset, out BottomOffset, Is2Dots);
AnalyzeVerticalLines(VerticalLines, out LeftOfffset, out RightOffset);
/*Imaging.SaveAsPNG(TempId, @"d:\Temp\P2P\" + string.Format("Page_{0}_Word_{1}.png", Page.Index, i.ToString("D3")));
* var stat = Imaging.Crop(TempId, LeftOfffset, TopOffset + 1, Width - LeftOfffset - RightOffset, Height - BottomOffset - TopOffset - 1);
* Imaging.SaveAsPNG(TempId, @"d:\Temp\P2P\" + string.Format("Page_{0}_Word_{1}_Cropped.png", Page.Index, i.ToString("D3")));*/
/*if (Area.Width - LeftOfffset - RightOffset <= 0) {
* //var res = Imaging.SaveAsPNG(TempId, @"d:\Test.png");
* int a = 1;
* }
* if (Area.Height - TopOffset - BottomOffset <= 0) {
* int b = 1;
* }*/
Imaging.ReleaseGdPictureImage(TempId);
Area.Bound = new Rect(Area.Bound.Left + LeftOfffset, Area.Bound.Top + TopOffset, Area.Width - LeftOfffset - RightOffset, Area.Height - TopOffset - BottomOffset);
//FillCharParams(Area);
if (!AverageNewHeight.ContainsKey(Area.FontSize))
{
AverageNewHeight.Add(Area.FontSize, Area.Height - TopOffset - BottomOffset);
AverageNewHeightAreas.Add(Area.FontSize, 1);
}
else
{
AverageNewHeight[Area.FontSize] += Area.Height - TopOffset - BottomOffset;
AverageNewHeightAreas[Area.FontSize]++;
}
}
Dictionary <double, double> AverageNewFontSize = new Dictionary <double, double>();
foreach (var item in AverageNewHeight)
{
AverageNewFontSize.Add(item.Key, item.Value / AverageNewHeightAreas[item.Key]);
}
foreach (var Area in Page.TextAreas)
{
Area.FontSize = AverageNewFontSize[Area.FontSize];
if (Area.Text == "-")
{
int TempId = Imaging.CreateNewGdPictureImage((int)Area.Width, (int)Area.Width, 1, System.Drawing.Color.Transparent);
var ExpectedHeight = Imaging.GetTextHeight(TempId, "W", "Arial", (float)Area.FontSize, GdPicture9.FontStyle.FontStyleRegular);
int Offset = (int)((ExpectedHeight - Area.Height) / 2.0) + 1;
Imaging.ReleaseGdPictureImage(TempId);
Area.Bound = new Rect(Area.Bound.Left, Area.Bound.Top - Offset, Area.Width, Area.Height + 2 * Offset);
}
FillCharParams(Area);
}
}
}