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Marca d'água em PDF
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"""https://t.me/pythonbr/288981 | |
Marca d'água em PDF | |
pip install pypdf2 requests reportlab""" | |
import io | |
import requests | |
from reportlab.pdfgen.canvas import Canvas | |
from reportlab.lib.colors import Color | |
from PyPDF2 import PdfReader, PdfWriter | |
def gerar_pdf_imagem( | |
pdf: str = "original.pdf", | |
imagem: str = "imagem.jpg", | |
pdf_url: str = "https://www.africau.edu/images/default/sample.pdf", | |
imagem_url: str = "https://i.ytimg.com/vi/ukVkkVlbJrw/maxresdefault.jpg", | |
) -> None: | |
"""Chupacabreia pdf de exemplo e imagem da internet""" | |
pdf_response: requests.Response = requests.get(pdf_url) | |
with open(pdf, 'wb') as buf: | |
buf.write(pdf_response.content) | |
imagem_response: requests.Response = requests.get(imagem_url) | |
with open(imagem, 'wb') as buf: | |
buf.write(imagem_response.content) | |
def marcadagua( | |
texto: str = "PEDREIROS DA PUTA QUE PARIU", | |
entrada: str = "original.pdf", | |
imagem: str = "imagem.jpg", | |
saída: str = "out.pdf", | |
) -> None: | |
"""Sobrepõe páginas de entrada com sobreposição, grava em saída""" | |
reader: PdfReader = PdfReader(entrada) | |
writer: PdfReader = PdfWriter() | |
## Usa tamanho da primeira página de original.pdf para o Canvas | |
page: PageObject = reader.pages[0] | |
with io.BytesIO() as buf: | |
canvas = Canvas(buf, pagesize = (page.mediabox.getWidth(), | |
page.mediabox.getHeight())) | |
canvas.setFont("Helvetica", 42) | |
canvas.setFillColor(Color(0.1, 0.1, 0.1, alpha = 0.1)) | |
canvas.rotate(54) | |
canvas.drawString( | |
float(page.mediabox.getWidth()) / 4.5, | |
float(page.mediabox.getHeight()) / 54, | |
texto, | |
) | |
canvas.showPage() | |
canvas.drawImage(imagem, 15, 15, width = 32, height = 24) | |
canvas.save() | |
buf.seek(0) | |
marcadágua = PdfReader(buf) | |
página = marcadágua.pages[0] | |
for page_ in reader.pages: | |
page_.merge_page(marcadágua.pages[0]) # texto | |
page_.merge_page(marcadágua.pages[1]) # imagem | |
writer.add_page(page_) | |
with open(saída, 'wb') as file_: | |
writer.write(file_) | |
if __name__ == '__main__': | |
gerar_pdf_imagem() | |
marcadagua() |
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