49 lines
1.7 KiB
Python
49 lines
1.7 KiB
Python
# flake8: noqa
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# yapf: disable
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import sys
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import json
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from PIL import Image, ImageDraw
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# Creates "validation" images with rectangles for the bounding box information that
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# Claude creates when determining where to add text annotations in PDFs. See forms.md.
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def create_validation_image(page_number, fields_json_path, input_path,
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output_path):
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# Input file should be in the `fields.json` format described in forms.md.
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with open(fields_json_path, 'r') as f:
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data = json.load(f)
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img = Image.open(input_path)
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draw = ImageDraw.Draw(img)
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num_boxes = 0
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for field in data['form_fields']:
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if field['page_number'] == page_number:
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entry_box = field['entry_bounding_box']
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label_box = field['label_bounding_box']
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# Draw red rectangle over entry bounding box and blue rectangle over the label.
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draw.rectangle(entry_box, outline='red', width=2)
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draw.rectangle(label_box, outline='blue', width=2)
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num_boxes += 2
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img.save(output_path)
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print(
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f'Created validation image at {output_path} with {num_boxes} bounding boxes'
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)
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if __name__ == '__main__':
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if len(sys.argv) != 5:
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print(
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'Usage: create_validation_image.py [page number] [fields.json file] [input image path] [output image path]'
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)
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sys.exit(1)
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page_number = int(sys.argv[1])
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fields_json_path = sys.argv[2]
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input_image_path = sys.argv[3]
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output_image_path = sys.argv[4]
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create_validation_image(page_number, fields_json_path, input_image_path,
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output_image_path)
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