Borealis-Legacy/Nodes/General Purpose/identification_overlay.py

108 lines
4.0 KiB
Python

#!/usr/bin/env python3
"""
Identification Overlay Node:
- Creates an OCR region in data_collector with a blue overlay.
- Detects instances of a specified word and draws adjustable overlays.
- Users can configure offset, margin, polling frequency, overlay color, and thickness.
"""
import re
from OdenGraphQt import BaseNode
from PyQt5.QtCore import QTimer
from PyQt5.QtGui import QColor
from Modules import data_collector
class IdentificationOverlayNode(BaseNode):
__identifier__ = "bunny-lab.io.identification_overlay_node"
NODE_NAME = "Identification Overlay"
def __init__(self):
super(IdentificationOverlayNode, self).__init__()
# User-configurable options
self.add_text_input("search_term", "Search Term", text="Aibatt")
self.add_text_input("offset_value", "Offset Value (X,Y)", text="0,0") # X,Y Offset
self.add_text_input("margin", "Margin", text="5") # Box Margin
self.add_text_input("polling_freq", "Polling Frequency (ms)", text="500") # Polling Rate
self.add_combo_menu("ocr_engine", "Type", items=["CPU", "GPU"])
self.set_property("ocr_engine", "CPU") # Default to CPU mode
# Custom overlay options
self.add_text_input("overlay_color", "Overlay Color (RGB)", text="0,0,255") # Default blue
self.add_text_input("thickness", "Line Thickness", text="2") # Default 2px
self.region_id = "identification_overlay"
data_collector.create_ocr_region(self.region_id, x=250, y=50, w=300, h=200, color=(0, 0, 255), thickness=2)
data_collector.start_collector()
self.set_name("Identification Overlay")
# Timer for updating overlays
self.timer = QTimer()
self.timer.timeout.connect(self.update_overlay)
# Set initial polling frequency
self.update_polling_frequency()
def update_polling_frequency(self):
"""
Reads the user-defined polling frequency and updates the timer interval.
"""
polling_text = self.get_property("polling_freq")
try:
polling_interval = max(50, int(polling_text)) # Minimum 50ms for near real-time
except ValueError:
polling_interval = 500 # Default to 500ms
self.timer.start(polling_interval)
def update_overlay(self):
"""
Updates the overlay with detected word positions.
"""
search_term = self.get_property("search_term")
offset_text = self.get_property("offset_value")
margin_text = self.get_property("margin")
ocr_engine = self.get_property("ocr_engine")
# Read and apply polling frequency updates
self.update_polling_frequency()
# Parse user-defined offset
try:
offset_x, offset_y = map(int, offset_text.split(","))
except ValueError:
offset_x, offset_y = 0, 0 # Default to no offset if invalid input
# Parse user-defined margin
try:
margin = int(margin_text)
except ValueError:
margin = 5 # Default margin if invalid input
# Parse overlay color
color_text = self.get_property("overlay_color")
try:
color = tuple(map(int, color_text.split(","))) # Convert "255,0,0" -> (255,0,0)
except ValueError:
color = (0, 0, 255) # Default to blue if invalid input
# Parse thickness
thickness_text = self.get_property("thickness")
try:
thickness = max(1, int(thickness_text)) # Ensure at least 1px thickness
except ValueError:
thickness = 2 # Default thickness
if not search_term:
return
# Get detected word positions using the selected OCR engine
detected_positions = data_collector.find_word_positions(
self.region_id, search_term, offset_x, offset_y, margin, ocr_engine
)
# Draw detected word boxes with custom color & thickness
data_collector.draw_identification_boxes(self.region_id, detected_positions, color=color, thickness=thickness)