From 6f620154a7af4162a4cf94880fed0087920d9a74 Mon Sep 17 00:00:00 2001 From: Mattia Mascarello Date: Wed, 24 Aug 2022 01:00:04 +0200 Subject: [PATCH] Update build_paged.py --- build_paged.py | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/build_paged.py b/build_paged.py index 8b13789..2fde8ed 100644 --- a/build_paged.py +++ b/build_paged.py @@ -1 +1,30 @@ +from PyPDF3 import PdfFileWriter, PdfFileReader +from PyPDF3.pdf import PageObject + + +alembic = PdfFileReader(open("Alembic.pdf", "rb"), strict=False) + +output = PdfFileWriter() +n = alembic.numPages +for i in range(n//2): + if not i%2: + print(n-i,i+1) + page1 = alembic.getPage(n-i-1) + page2 = alembic.getPage(i+1-1) + else: + print(i+1,n-i) + page1 = alembic.getPage(i+1-1) + page2 = alembic.getPage(n-i-1) + + total_width = page1.mediaBox.upperRight[0] + page2.mediaBox.upperRight[0] + total_height = max([page1.mediaBox.upperRight[1], page2.mediaBox.upperRight[1]]) + + new_page = PageObject.createBlankPage(None, total_width, total_height) + + # Add first page at the 0,0 position + new_page.mergePage(page1) + # Add second page with moving along the axis x + new_page.mergeTranslatedPage(page2, page1.mediaBox.upperRight[0], 0) + output.addPage(new_page) +output.write(open("paged.pdf", "wb"))