PossibleChar.py

# PossibleChar.py

import cv2
import numpy as np
import math

###################################################################################################
class PossibleChar:

    # constructor #################################################################################
    def __init__(self, _contour):
        self.contour = _contour

        self.boundingRect = cv2.boundingRect(self.contour) # It gives the (x,y,w,h) of a straight rectangle that bounds the contour. It is not sensetive to the rotation of the obejct ,so its area will not be minimum.

        [intX, intY, intWidth, intHeight] = self.boundingRect

        self.intBoundingRectX = intX
        self.intBoundingRectY = intY
        self.intBoundingRectWidth = intWidth
        self.intBoundingRectHeight = intHeight

        self.intBoundingRectArea = self.intBoundingRectWidth * self.intBoundingRectHeight

        self.intCenterX = (self.intBoundingRectX + self.intBoundingRectX + self.intBoundingRectWidth) / 2
        self.intCenterY = (self.intBoundingRectY + self.intBoundingRectY + self.intBoundingRectHeight) / 2

        self.fltDiagonalSize = math.sqrt((self.intBoundingRectWidth ** 2) + (self.intBoundingRectHeight ** 2))

        self.fltAspectRatio = float(self.intBoundingRectWidth) / float(self.intBoundingRectHeight)