private void RecognizeBarCode(BarCodeRule rule)
{
Pixbuf WorkImage = Images[0];
RelationalRectangle WorkZone = rule.Box.Clone();
WorkZone.SetTarget(WorkImage.Width, WorkImage.Height);
logger.Debug("Зона штрихкода, box: x={0},y={1},w={2},h={3}", WorkZone.PosX, WorkZone.PosY, WorkZone.Width, WorkZone.Heigth);
var cutedPixbuf = new Pixbuf(WorkImage, WorkZone.PosX, WorkZone.PosY, WorkZone.Width, WorkZone.Heigth);
ShowImage(cutedPixbuf, "Зона штрихкода");
// create a barcode reader instance
IBarcodeReader reader = new BarcodeReader();
// load a bitmap
var barcodeBitmap = RecognizeHelper.PixbufToBitmap(cutedPixbuf);
// detect and decode the barcode inside the bitmap
var result = reader.Decode(barcodeBitmap);
// do something with the result
if (result != null)
{
logger.Debug("Формат штрих кода: {0}", result.BarcodeFormat.ToString());
logger.Debug("Текст штрих кода разпознан как: {0}", result.Text);
rule.ParseCode(Doc, result.BarcodeFormat, result.Text);
}
else
{
logger.Warn("Штрих код не распознан.");
}
}
public RelationalRectangle Clone()
{
RelationalRectangle copy = new RelationalRectangle(RelativePosX, RelativePosY, RelativeWidth, RelativeHeigth);
copy.SetTarget(TargetWidth, TargetHeigth);
copy.SetShift(ShiftX, ShiftY);
return(copy);
}
internal void ExpandRelativeZone(RelationalRectangle zone)
{
zone.RelativePosX -= zone.RelativeWidth * 0.1;
if (zone.RelativePosX < 0)
zone.RelativePosX = 0;
zone.RelativePosY -= zone.RelativeHeigth * 0.1;
if (zone.RelativePosY < 0)
zone.RelativePosY = 0;
zone.RelativeWidth *= 1.2;
if (zone.RelativeWidth > 1)
zone.RelativeWidth = 1;
zone.RelativeHeigth *= 1.2;
if (zone.RelativeHeigth > 1)
zone.RelativeHeigth = 1;
}
internal void ExpandRelativeZone(RelationalRectangle zone)
{
zone.RelativePosX -= zone.RelativeWidth * 0.1;
if (zone.RelativePosX < 0)
{
zone.RelativePosX = 0;
}
zone.RelativePosY -= zone.RelativeHeigth * 0.1;
if (zone.RelativePosY < 0)
{
zone.RelativePosY = 0;
}
zone.RelativeWidth *= 1.2;
if (zone.RelativeWidth > 1)
{
zone.RelativeWidth = 1;
}
zone.RelativeHeigth *= 1.2;
if (zone.RelativeHeigth > 1)
{
zone.RelativeHeigth = 1;
}
}
public RelationalRectangle Clone()
{
RelationalRectangle copy = new RelationalRectangle(RelativePosX, RelativePosY, RelativeWidth, RelativeHeigth);
copy.SetTarget( TargetWidth, TargetHeigth);
copy.SetShift( ShiftX, ShiftY);
return copy;
}
private void RecognizeTess()
{
using (var engine = new TesseractEngine(@"./tessdata", "rus", EngineMode.Default))
{
TextMarker Marker = Doc.Template.Markers[0];
Pixbuf PixBox;
logger.Info("Вычисляем сдвиг");
Pixbuf WorkImage = Images[0];
Marker.SetTarget(WorkImage.Width, WorkImage.Height);
RelationalRectangle WorkZone = Marker.Zone.Clone();
for (int i = 1; i <= 7; i++)
{
logger.Debug("Попытка {0}, box: x={1},y={2},w={3},h={4}", i, WorkZone.PosX, WorkZone.PosY, WorkZone.Width, WorkZone.Heigth);
PixBox = new Pixbuf(WorkImage, WorkZone.PosX, WorkZone.PosY, WorkZone.Width, WorkZone.Heigth);
using (var img = RecognizeHelper.PixbufToPix(PixBox))
{
using (var page = engine.Process(img, PageSegMode.Auto))
{
int Distance, MarkerPosX, MarkerPosY;
double MarkerSkew;
RecognazeRule[] rules = new RecognazeRule[] { Doc.Template.NumberRule, Doc.Template.DateRule };
Distance = GetTextPosition(Marker.Text, page, out MarkerPosX, out MarkerPosY, out MarkerSkew, rules);
if (Distance < 5)
{
logger.Debug("TextMarker <{0}> Distance: {1} Try:{2}", Marker.Text, Distance, i);
Marker.ActualPosX = MarkerPosX + WorkZone.PosX;
Marker.ActualPosY = MarkerPosY + WorkZone.PosY;
Marker.ActualSkew = MarkerSkew;
Marker.Confidence = page.GetMeanConfidence();
logger.Debug("Image Shift X: {0}", Marker.ShiftX);
logger.Debug("Image Shift Y: {0}", Marker.ShiftY);
break;
}
else if (i == 7 ||
(WorkZone.RelativePosX == 0 && WorkZone.RelativePosY == 0 && WorkZone.RelativeHeigth == 1 && WorkZone.RelativeWidth == 1))
{
Marker.ActualPosX = (int)(Marker.PatternPosX * Marker.TargetWidth);
Marker.ActualPosY = (int)(Marker.PatternPosY * Marker.TargetHeigth);
Marker.ActualSkew = 0;
ShowImage(PixBox, "Маркер не найден. Зона маркера.");
}
else
{ //Увеличиваем размер зоны поиска.
ExpandRelativeZone(WorkZone);
}
}
}
}
RecognazeRule CurRule;
logger.Info("Распознаем номер");
if (Doc.Template.NumberRule != null)
{
CurRule = Doc.Template.NumberRule;
if (CurRule.Box != null)
{
CurRule.Box.SetShiftByMarker(Marker);
logger.Debug("Number Shift X: {0}", CurRule.Box.ShiftX);
logger.Debug("Number Shift Y: {0}", CurRule.Box.ShiftY);
WorkZone = CurRule.Box.Clone();
//FIXME С этим пока работает лучше
WorkZone.RelativePosX += WorkZone.RelativeWidth * 0.2;
WorkZone.RelativePosY += WorkZone.RelativeHeigth * 0.2;
WorkZone.RelativeWidth *= 0.6;
WorkZone.RelativeHeigth *= 0.6;
Doc.DocNumberConfidence = 0;
for (int i = 1; i <= 5; i++)
{
PixBox = new Pixbuf(WorkImage, WorkZone.PosX, WorkZone.PosY, WorkZone.Width, WorkZone.Heigth);
using (var img = RecognizeHelper.PixbufToPix(PixBox)) {
using (var page = engine.Process(img, PageSegMode.SingleLine)) {
string FieldText = page.GetText().Trim();
if (page.GetMeanConfidence() > Doc.DocNumberConfidence)
{
Doc.DocNumber = FieldText;
Doc.DocNumberConfidence = page.GetMeanConfidence();
logger.Debug("Try: {0}", i);
logger.Debug("Found Field Value: {0}", FieldText);
logger.Debug("Recognize confidence: {0}", page.GetMeanConfidence());
if (FieldText == "")
{
ShowImage(PixBox, "Номер пустой. Зона номера документа.");
}
else
{
ShowImage(PixBox, "Зона номера документа.");
}
}
if (CurRule.Validate == ValidationTypes.IsNumber)
{
int tempInt;
bool BoxIsNumber = int.TryParse(Doc.DocNumber, out tempInt);
if (BoxIsNumber)
{
break;
}
else
{
Doc.DocNumberConfidence = 0;
}
}
if (Doc.DocNumberConfidence > 0.8)
{
break;
}
else //Увеличиваем размер зоны поиска.
{
ExpandRelativeZone(WorkZone);
}
}
}
}
}
else if (CurRule.NextAfterTextMarker)
{
logger.Debug("By after market detection: {0}", CurRule.AfterTextMarkerValue);
Doc.DocNumber = CurRule.AfterTextMarkerValue;
Doc.DocNumberConfidence = CurRule.AfterTextMarkerConfidence;
}
}
logger.Info("Распознаем Дату");
if (Doc.Template.DateRule != null)
{
CurRule = Doc.Template.DateRule;
if (CurRule.Box != null)
{
CurRule.Box.SetShiftByMarker(Marker);
PixBox = new Pixbuf(WorkImage, CurRule.Box.PosX, CurRule.Box.PosY, CurRule.Box.Width, CurRule.Box.Heigth);
using (var img = RecognizeHelper.PixbufToPix(PixBox)) {
using (var page = engine.Process(img, PageSegMode.SingleLine)) {
string FieldText = page.GetText().Trim();
DateTime TempDate;
string [] words = FieldText.Split(new char [] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
string Date = "";
foreach (string word in words)
{
if (DateTime.TryParse(word, out TempDate))
{
Date = word;
}
}
if (DateTime.TryParse(Date, out TempDate))
{
Doc.DocDate = TempDate;
Doc.DocDateConfidence = page.GetMeanConfidence();
}
else
{
Doc.DocDateConfidence = -2;
}
logger.Debug("Found Field Value: {0}", FieldText);
logger.Debug("Split date Value: {0}", Date);
logger.Debug("Recognize confidence: {0}", page.GetMeanConfidence());
if (FieldText == "")
{
ShowImage(PixBox, "Дата пустая. Зона даты документа.");
}
else
{
ShowImage(PixBox, "Зона даты документа.");
}
}
}
}
else
{
logger.Debug("By after market detection: {0}", CurRule.AfterTextMarkerValue);
if (DateTime.TryParse(CurRule.AfterTextMarkerValue, out Doc.DocDate))
{
logger.Debug("Date parsed:{0}", Doc.DocDate);
Doc.DocDateConfidence = CurRule.AfterTextMarkerConfidence;
}
else
{
Doc.DocDateConfidence = -2;
}
}
}
//FIXME Добавить распознование дополнительных полей.
}
}