High contrast GUI Locator / Grid Locator v2

ElementLocator

'Element Locator Code by Curtis White + GPT-4 AD
'Not well tested-- run at own risk. In early tests, it can prevent interaction with system. It works perfectly now, on my system.
'but if you see tha use task manager to kill the kernerl process not from the task manaager but from the task changer layout.

import tkinter as tk
from tkinter import Scale
from pynput import mouse
from PIL import ImageGrab
import cv2
import numpy as np

GRID_SIZE = 75  # Minimum spacing for the crosses

def on_move(x, y):
    """Update mouse coordinates when moved."""
    canvas.coords(mouse_text, x, y-30)
    canvas.itemconfig(mouse_text, text=f"X: {x}, Y: {y}")
    canvas.tag_raise(mouse_text)


def draw_crosses():
    # Capture screen
    screen = ImageGrab.grab()
    screen_np = np.array(screen)
    contrast_threshold = contrast_slider.get()
    edges = cv2.Canny(screen_np, contrast_threshold, contrast_threshold * 3)

    contours, _ = cv2.findContours(edges, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)
    
    # Sort contours by area, largest first
    contours = sorted(contours, key=cv2.contourArea, reverse=True)

    selected_points = []

    for contour in contours:
        if cv2.contourArea(contour) > 100:  # Ignore very small contours
            M = cv2.moments(contour)
            if M["m00"] != 0:
                cx = int(M["m10"] / M["m00"])
                cy = int(M["m01"] / M["m00"])
                
                # Check if this point is close to other selected points
                too_close = any([abs(cx - x) < GRID_SIZE and abs(cy - y) < GRID_SIZE for x, y in selected_points])
                
                if not too_close:
                    selected_points.append((cx, cy))
                    markers.append(canvas.create_line(cx-5, cy, cx+5, cy, fill="fuchsia", width=2))
                    markers.append(canvas.create_line(cx, cy-5, cx, cy+5, fill="fuchsia", width=2))
                    texts.append(canvas.create_text(cx, cy, text=f"(X={cx},Y={cy})", fill="lime", font=('Arial', 9)))

def WinSet_TransColor(color):
    """Set the transparency color for the window."""
    root.attributes('-transparentcolor', color)

def toggle_crosses():
    global crosses_visible
    crosses_visible = not crosses_visible
    if crosses_visible:
        draw_crosses()
    else:
        for mark in markers:
            canvas.delete(mark)
        for text in texts:
            canvas.delete(text)

def close_overlay():
    root.quit()
    root.destroy()
    mouse_listener.stop()

root = tk.Tk()
root.attributes('-fullscreen', True, '-alpha', 1.0)  # Set alpha to 1.0 for full visibility
root.overrideredirect(True)

screen_width = root.winfo_screenwidth()
screen_height = root.winfo_screenheight()

transparent_color = '#123456'  # A unique color for transparency
root.attributes('-transparentcolor', transparent_color)
canvas = tk.Canvas(root, bg=transparent_color, bd=0, highlightthickness=0)
canvas.pack(fill=tk.BOTH, expand=tk.TRUE)

markers = []
texts = []
crosses_visible = True

mouse_text = canvas.create_text(100, 100, text="", fill="white", font=('Arial', 20))

mouse_listener = mouse.Listener(on_move=on_move)
mouse_listener.start()

close_btn = tk.Button(root, text="Close Overlay", command=close_overlay, bg='white')
close_btn.place(x=screen_width-150, y=10)

toggle_btn = tk.Button(root, text="Toggle Crosses", command=toggle_crosses, bg='white')
toggle_btn.place(x=screen_width-300, y=10) 

# Adding a contrast slider
contrast_slider = Scale(root, from_=0, to_=255, orient=tk.HORIZONTAL, label="Contrast Threshold", sliderlength=30, length=200)
contrast_slider.place(x=screen_width-500, y=5)
contrast_slider.set(50)  # Default value
contrast_slider.bind("<ButtonRelease-1>", lambda e: draw_crosses())  # Redraw crosses when slider is released

root.mainloop()