From 972fffa03101920bce96aba7a78e5cf19dcf1c87 Mon Sep 17 00:00:00 2001
From: fleaz <mail@felixbreidenstein.de>
Date: Wed, 16 Oct 2024 19:45:14 +0200
Subject: [PATCH] first working POC

---
 main.py | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100755 main.py

diff --git a/main.py b/main.py
new file mode 100755
index 0000000..77ea2fd
--- /dev/null
+++ b/main.py
@@ -0,0 +1,27 @@
+#! /usr/bin/env python3
+
+from pypdf import PdfWriter, PdfReader, Transformation
+from pypdf.generic import RectangleObject
+
+with open("input.pdf", "rb") as in_f:
+    reader = PdfReader(in_f)
+    writer = PdfWriter()
+
+    numPages = len(reader.pages)
+    if numPages != 1:
+        exit(1)
+
+    page = reader.pages[0].rotate(90)
+    page = reader.pages[0]
+
+    left = 20
+    bottom = 450
+    right = 570
+    # calculate last value to get a 3:2 rectangle
+    top = bottom+((right-left)/3)*2
+
+    page.mediabox = RectangleObject((left, bottom,right,top))
+    writer.add_page(page)
+
+    with open("out.pdf", "wb") as fh:
+        writer.write(fh)