cv2operator

cv2operator is a simple library to input various shapes like polygon rectangle and so on.

Features

• LineOperator: input a line by mouse draggin
• PolylineOperator: input a polyline by click
• PolygonOperator: input a polygon by click
• RectOperator: input a rectangle by draggin
• BrushOperator: paint mask region by draggin
• KeyOperator: key management

Usage

Here is a simple example.

import cv2
from cv2operator import KeyOperator, OperartorWindow, LineOperator

def line_cb(p1, p2):
    print(f"line: p1={p1}, p2={p2}")

image = cv2.imread("goru.jpg")
window = OperartorWindow("example", image)

line_op = LineOperator(window, callback=line_cb)

key_op = KeyOperator()
print(key_op.help())
key_op.main_loop()

Operators

all operators are used in a example code. see demo.py in examples.

RectOperator

LineOperator

PolylineOperator

PolygonOperator

BrushOperator