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Replace images in a pdf using python
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| import math | |
| import glob | |
| from PIL import Image | |
| for img in glob.glob("images/*.png"): | |
| # for img in ["imageroot-014.png"]: | |
| with Image.open(img) as im: | |
| x = math.floor(im.size[0]/2) | |
| px = im.getpixel((x,-1)) | |
| if px == (12,12,12): | |
| print(img) |
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| import fitz | |
| from rich import inspect | |
| # This creates the Document object doc | |
| doc: fitz.Document = fitz.open("file.pdf") | |
| for page in doc: | |
| for img in page.get_images(): | |
| xref = img[0] | |
| pix = fitz.Pixmap(doc, xref) | |
| bg_color = pix.pixel(pix.width - 1, int(pix.height / 2)) | |
| if bg_color == (12,12,12): | |
| pix.invert_irect() | |
| rect = page.get_image_bbox(img[-2]) | |
| page.insert_image(rect, pixmap=pix, keep_proportion=False) | |
| # doc.save(filename=r"file.new.pdf", clean=True) | |
| # doc.save(filename=r"file.new.pdf", clean=True, garbage=4) | |
| doc.save(filename=r"file.new.pdf", clean=True, deflate=4, deflate_images=1, deflate_fonts=1) | |
| doc.close() |
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