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- import json
- import sys
- from PIL import Image, ImageDraw
- # Creates "validation" images with rectangles for the bounding box information that
- # Claude creates when determining where to add text annotations in PDFs. See forms.md.
- def create_validation_image(page_number, fields_json_path, input_path, output_path):
- # Input file should be in the `fields.json` format described in forms.md.
- with open(fields_json_path, 'r') as f:
- data = json.load(f)
- img = Image.open(input_path)
- draw = ImageDraw.Draw(img)
- num_boxes = 0
-
- for field in data["form_fields"]:
- if field["page_number"] == page_number:
- entry_box = field['entry_bounding_box']
- label_box = field['label_bounding_box']
- # Draw red rectangle over entry bounding box and blue rectangle over the label.
- draw.rectangle(entry_box, outline='red', width=2)
- draw.rectangle(label_box, outline='blue', width=2)
- num_boxes += 2
-
- img.save(output_path)
- print(f"Created validation image at {output_path} with {num_boxes} bounding boxes")
- if __name__ == "__main__":
- if len(sys.argv) != 5:
- print("Usage: create_validation_image.py [page number] [fields.json file] [input image path] [output image path]")
- sys.exit(1)
- page_number = int(sys.argv[1])
- fields_json_path = sys.argv[2]
- input_image_path = sys.argv[3]
- output_image_path = sys.argv[4]
- create_validation_image(page_number, fields_json_path, input_image_path, output_image_path)
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