HYTOS

                2018.05.04  Jeongwoo    Change method to OCR with tesseract_ocr_module.py

        try:

            im = Image.fromarray(bitImg)

            sp = (0, 0)

            if symbolOcrOption == SymbolBase.OCR_OPTION_HALF_AND_HALF:

                sp = (symbolSp[0]+inSqX, symbolSp[1]+ inSqY)

            else:

                sp = (symbolSp[0]+inSqX, symbolSp[1] + inSqY)

            tList = TOCR.getTextInfoInSymbol(bitImg, sp)

            resultText = ''

            if tList is not None:

                for index in range(len(tList)):

                    textInfo = tList[index]

                    if index != 0:

                        resultText = resultText + ","

                    resultText = resultText + textInfo.getText()

                    cv2.putText(canvas, textInfo.getText(), (textInfo.getX(), textInfo.getY()), 2, 1.0, (0, 0, 0)) # cv2.FONT_HERSHEY_SIMPLEX

                # text value in symbol object update

                index = [i for i, item in enumerate(searchedSymbolList) if item.getSp() == symbolSp]

                if len(index) > 0:

                    searchedSymbolList[index[0]].setText(resultText)

        except Exception as ex:

            print('error occured({}) in {}:{}'.format(ex, sys.exc_info()[-1].tb_frame.f_code.co_filename, sys.exc_info()[-1].tb_lineno))

        finally:

DEFAULT_CONF = """

    --psm 6 -c tessedit_char_whitelist=abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-~.,/!@#$%&*(){}<>:;+=?\\"\\'

"""

'''

    @brief      Get Text info in Symbol (Instrumentation, OPC, etc...)

    @author     Jeongwoo

    @date       2018.05.04

'''

def getTextInfoInSymbol(img, startPoint, flag = FLAG_IMAGE_TO_BOXES, conf = DEFAULT_CONF):

    im = Image.fromarray(img)

    imgWidth = im.width

    imgHeight = im.height

    textInfoList = []

    WHITE_LIST_CHARS = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890-"

    MIN_TEXT_SIZE = 10

    boundaryOcrData = pytesseract.image_to_boxes(im, config=conf, lang='eng')

    textGroupIndex = 0

    lastRT = (-1, -1)

    tempText = ''

    charWidth = -1

    charHeight = -1

    lastCharHeight = -1

    lineSp = (-1, -1)

    lineRect = None

    for index in range(len(boundaryOcrData.split('\n'))):

        data = boundaryOcrData.split('\n')[index]

        sData = data.split(' ')

        char = sData[0]

        if WHITE_LIST_CHARS.find(char) >= 0:

            csx = int(sData[1])

            csy = imgHeight - int(sData[4])

            cex = int(sData[3])

            cey = int(sData[2])

            cw = cex - csx

            ch = abs(cey - int(sData[4]))

            if cw >= MIN_TEXT_SIZE or ch >= MIN_TEXT_SIZE:

                charWidth = max(charWidth, cw)

                charHeight = max(charHeight, ch)

                currentRect = None

                if lastRT != (-1, -1):

                    currentRect = QRect(csx, csy, csx + cw, csy + ch)

                if lastRT == (-1, -1) and lineRect is None:

                    tempText = tempText + char

                    lastRT = (csx+cw, csy)

                    lineSp = (csx, csy)

                    lastCharHeight = charHeight

                    lineRect = QRect(lineSp[0], lineSp[1], imgWidth - lineSp[0], charHeight)

                elif (lineRect is not None and currentRect is not None) and lineRect.intersects(currentRect):

                    tempText = tempText + char

                    lastRT = (csx+cw, min(lineSp[1], csy))

                    lineSp = (lineSp[0], min(lineSp[1], csy))

                    lastCharHeight = charHeight

                    lineRect.setHeight(charHeight)

                else:

                    # Save previous line

                    prevLineText = ti.TextInfo(tempText, startPoint[0]+lineSp[0], startPoint[1]+lineSp[1], lastRT[0] - lineSp[0], lastCharHeight, 0)

                    textInfoList.append(prevLineText)

                    textGroupIndex = textGroupIndex + 1

                    # Start new line

                    tempText = char

                    charWidth = cw

                    charHeight = ch

                    lastRT = (csx + cw, csy)

                    lineSp = (csx, csy)

                    lineRect = QRect(lineSp[0], lineSp[1], imgWidth - lineSp[0], ch)

    if not (len(textInfoList) > textGroupIndex) and (tempText is not None and len(tempText) > 0):

        textInfo = ti.TextInfo(tempText, startPoint[0]+lineSp[0], startPoint[1]+lineSp[1], lastRT[0] - lineSp[0], charHeight, 0)

        if textInfo not in textInfoList:

            textInfoList.append(textInfo)

    else:

        return None

    return textInfoList

def getCharactersInfo(img, startPoint, flag = FLAG_IMAGE_TO_BOXES, conf = DEFAULT_CONF):

def getTextInfo(img, startPoint, flag = FLAG_IMAGE_TO_BOXES, conf = DEFAULT_CONF):

def removeTextFromNpArray(img, flag = FLAG_IMAGE_TO_BOXES, conf = DEFAULT_CONF):