L2Bot/color_tool.py at main · lebedynskyi/L2Bot · GitHub

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import cv2
import numpy as np


def run_color_picker(img_file):
    nothing = lambda *args: None
    image = cv2.imread(img_file)

    # Create a window
    cv2.namedWindow('image')

    # create trackbars for color change
    cv2.createTrackbar('HMin', 'image', 0, 179, nothing)  # Hue is from 0-179 for Opencv
    cv2.createTrackbar('SMin', 'image', 0, 255, nothing)
    cv2.createTrackbar('VMin', 'image', 0, 255, nothing)
    cv2.createTrackbar('HMax', 'image', 0, 179, nothing)
    cv2.createTrackbar('SMax', 'image', 0, 255, nothing)
    cv2.createTrackbar('VMax', 'image', 0, 255, nothing)

    # Set default value for MAX HSV trackbars.
    cv2.setTrackbarPos('HMax', 'image', 179)
    cv2.setTrackbarPos('SMax', 'image', 255)
    cv2.setTrackbarPos('VMax', 'image', 255)

    # Initialize to check if HSV min/max value changes
    hMin = sMin = vMin = hMax = sMax = vMax = 0
    phMin = psMin = pvMin = phMax = psMax = pvMax = 0

    output = image
    wait_time = 33

    while (1):

        # get current positions of all trackbars
        hMin = cv2.getTrackbarPos('HMin', 'image')
        sMin = cv2.getTrackbarPos('SMin', 'image')
        vMin = cv2.getTrackbarPos('VMin', 'image')

        hMax = cv2.getTrackbarPos('HMax', 'image')
        sMax = cv2.getTrackbarPos('SMax', 'image')
        vMax = cv2.getTrackbarPos('VMax', 'image')

        # Set minimum and max HSV values to display
        lower = np.array([hMin, sMin, vMin])
        upper = np.array([hMax, sMax, vMax])

        # Create HSV Image and threshold into a range.
        hsv = cv2.cvtColor(image, cv2.COLOR_BGR2HSV)
        mask = cv2.inRange(hsv, lower, upper)
        output = cv2.bitwise_and(image, image, mask=mask)

        # Print if there is a change in HSV value
        if (phMin != hMin) | (psMin != sMin) | (pvMin != vMin) | (phMax != hMax) | (psMax != sMax) | (pvMax != vMax):
            print("(hMin = %d , sMin = %d, vMin = %d), (hMax = %d , sMax = %d, vMax = %d)" % (
                hMin, sMin, vMin, hMax, sMax, vMax))
            phMin = hMin
            psMin = sMin
            pvMin = vMin
            phMax = hMax
            psMax = sMax
            pvMax = vMax

        # Display output image
        cv2.imshow('image', output)

        # Wait longer to prevent freeze for videos.
        if cv2.waitKey(wait_time) & 0xFF == ord('q'):
            break

    cv2.destroyAllWindows()


if __name__ == "__main__":
    run_color_picker("res/input/classic/Status_5.bmp")
    # run_color_picker("res/input/gracia/HP_78.bmp")