tesseract-window-scanner 0.12

OCR on screenshots with tesseract - Windows only

Scan screenshots with Tesseract

Video

Example 1 (screenshots from BlueStacks using ADB)

import cv2

import pandas as pd

import numpy as np

from time import sleep

from tesseract_window_scanner import pd_add_tesseract, sub_color_in_image, \

    substitute_colors_with_equal_rgb_values, draw_tesseract_results, get_tesseractdf,keyboard,ScreenShots





def activate_stop():

    global stop

    stop = True



tesseractpath = r"C:\Program Files\Tesseract-OCR\tesseract.exe"

pd_add_tesseract(tesseractpath)

languages = "de+pt+deu"



sc2 = ScreenShots(

    hwnd=None, adb_path=r"C:\ProgramData\adb\adb.exe", adb_serial="localhost:5735"

)

quit_key = "q"

sc2.imshow_adb(sleep_time=0.05, quit_key=quit_key)

sleep(1)

sc2.enable_show_edited_images()

stop = False

keyboard.add_hotkey(quit_key, activate_stop)



showresults = True

while not stop:

    screenshot_window = sc2.imget_adb()



    # optional filter

    screenshot_window = sub_color_in_image(

        img=screenshot_window,

        conditions=(("r", ">", 200), "|", ("g", ">", 200), "|", ("b", ">", 200)),

        newcolor=(255, 255, 255),

    )

    df = get_tesseractdf(

        screenshot_window, lang=languages, drop_empty_strings=True, conf_thresh=60

    )

    tesserresults = draw_tesseract_results(

        dft=df, img=screenshot_window, conf_thresh=60

    )

    if showresults:

        sc2.show_edited_image(tesserresults)  # show the edited pic

    print(df[["text", "conf"]])

Example 2 (screenshots from BlueStacks using hwnd)

import cv2

import pandas as pd

import numpy as np

from time import sleep

from tesseract_window_scanner import pd_add_tesseract, sub_color_in_image, \

    substitute_colors_with_equal_rgb_values, draw_tesseract_results, get_tesseractdf,keyboard,ScreenShots



def activate_stop():

    global stop

    stop = True





tesseractpath = r"C:\Program Files\Tesseract-OCR\tesseract.exe"

languages = "de+pt+deu"

pd_add_tesseract(tesseractpath)

sc2 = ScreenShots()

sc2.find_window_with_regex("[bB]lue[sS]tacks.*")

quit_key = "e"

sc2.imshow_hwnd(sleep_time=0.05, quit_key=quit_key)

sleep(1)

sc2.enable_show_edited_images()

stop = False

keyboard.add_hotkey(quit_key, activate_stop)



showresults = True

while not stop:

    screenshot_window = sc2.imget_hwnd()



    # screenshot_window=sub_color_in_image(img=screenshot_window, conditions=(('r' ,'>', 200) ,'|' ,('g' ,'>', 200), '|', ('b' ,'>', 200)), newcolor=(255,255,255))

    df = get_tesseractdf(

        screenshot_window, lang=languages, drop_empty_strings=True, conf_thresh=60

    )

    tesserresults = draw_tesseract_results(

        dft=df, img=screenshot_window, conf_thresh=60

    )

    if showresults:

        sc2.show_edited_image(tesserresults)  # show the edited pic

    print(df[["text", "conf"]])

Example 3 (screenshots from BlueStacks using hwnd without showing the results)

import cv2

import pandas as pd

import numpy as np

from time import sleep

from tesseract_window_scanner import pd_add_tesseract, sub_color_in_image, \

    substitute_colors_with_equal_rgb_values, draw_tesseract_results, get_tesseractdf,keyboard,ScreenShots





def activate_stop():

    global stop

    stop = True    



tesseractpath = r"C:\Program Files\Tesseract-OCR\tesseract.exe"

languages = "de+pt+deu"

pd_add_tesseract(tesseractpath)

sc2 = ScreenShots()

sc2.find_window_with_regex("[bB]lue[sS]tacks.*")



quit_key = "x"

stop = False

keyboard.add_hotkey(quit_key, activate_stop)



while not stop:

    screenshot_window = sc2.imget_hwnd()



    screenshot_window = sub_color_in_image(

        img=screenshot_window,

        conditions=(("r", ">", 200), "|", ("g", ">", 200), "|", ("b", ">", 200)),

        newcolor=(255, 255, 255),

    )

    df = get_tesseractdf(

        screenshot_window, lang=languages, drop_empty_strings=True, conf_thresh=60

    )

    print(df[["text", "conf"]])