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navenduagarwal/dummyimage.py

Created June 14, 2018 06:09
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  1. navenduagarwal created this gist Jun 14, 2018.
    26 changes: 26 additions & 0 deletions dummyimage.py
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    Original file line number Diff line number Diff line change
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    import cv2
    import numpy as np


    def create_blank(width, height, rgb_color=(0, 0, 0)):
    """Create new image(numpy array) filled with certain color in RGB"""
    # Create black blank image
    image = np.zeros((height, width, 3), np.uint8)

    # Since OpenCV uses BGR, convert the color first
    color = tuple(reversed(rgb_color))
    # Fill image with color
    image[:] = color

    return image


    # Create new blank 300x300 red image
    width1, height1 = 300, 300

    red = (255, 0, 0)
    image = create_blank(width1, height1, rgb_color=red)
    cv2.imshow("Blank Image", image)
    cv2.imwrite('red.jpg', image)
    cv2.waitKey(0)
    cv2.destroyAllWindows()