Files
Fulfillment-Backend/barcodes/pdf/pdf_maker.py

39 lines
1.1 KiB
Python

from io import BytesIO
from fpdf import FPDF
import pdfrw
class PdfMaker:
def __init__(self, size: tuple):
self.size = size
self.writer = pdfrw.PdfWriter()
def clear(self):
del self.writer
self.writer = pdfrw.PdfWriter()
def add_image(self, image_data):
size = self.size
fpdf = FPDF(format=size, unit="pt")
width, height = self.size
fpdf.add_page()
fpdf.image(image_data, 0, 0, width, height)
fpdf_reader: pdfrw.PdfReader = pdfrw.PdfReader(fdata=bytes(fpdf.output()))
self.writer.addpage(fpdf_reader.getPage(0))
def add_pdf(self, pdf_data: BytesIO):
pdf_reader = pdfrw.PdfReader(fdata=bytes(pdf_data.read()))
self.writer.addpage(pdf_reader.getPage(0))
def add_pdfs(self, pdf_data: BytesIO):
pdf_reader = pdfrw.PdfReader(fdata=bytes(pdf_data.read()))
self.writer.addpages(pdf_reader.readpages(pdf_reader.Root))
def get_bytes(self):
result_io = BytesIO()
self.writer.write(result_io)
result_io.seek(0)
return result_io