From: Christian Heller <c.heller@plomlompom.de>
Date: Wed, 20 Sep 2023 21:27:39 +0000 (+0200)
Subject: In DIY book maker, fix horizontal shifts.
X-Git-Url: https://plomlompom.com/repos/%7B%7B%20web_path%20%7D%7D/%7B%7Bprefix%7D%7D/static/git-logo.png?a=commitdiff_plain;h=266b44bd6522bd9c16c7f581648fe28c9b172b64;p=misc

In DIY book maker, fix horizontal shifts.
---

diff --git a/bookmaker.py b/bookmaker.py
index e6c8d2a..0e35820 100755
--- a/bookmaker.py
+++ b/bookmaker.py
@@ -85,9 +85,9 @@ with open(args.input_file, 'rb') as file:
         odd_page = True
         for page in pages_to_add:
             if args.symmetry and odd_page:
-                page.add_transformation(pypdf.Transformation().translate(tx=-crop_left, ty=-crop_bottom))
-            else:
                 page.add_transformation(pypdf.Transformation().translate(tx=-crop_right, ty=-crop_bottom))
+            else:
+                page.add_transformation(pypdf.Transformation().translate(tx=-crop_left, ty=-crop_bottom))
             page.add_transformation(pypdf.Transformation().scale(zoom, zoom))
             page.mediabox.right = cropped_width * zoom
             page.mediabox.top = cropped_height * zoom
@@ -138,11 +138,14 @@ with open(args.input_file, 'rb') as file:
             page.add_transformation(pypdf.Transformation().translate(ty=(a4_height / zoom - (a4_height - crop_top))))
             if i == 0 or i == 2:
                 if args.symmetry:
-                    page.add_transformation(pypdf.Transformation().translate(tx=-crop_right))
-                else:
                     page.add_transformation(pypdf.Transformation().translate(tx=-crop_left))
+                else:
+                    page.add_transformation(pypdf.Transformation().translate(tx=-crop_right))
             elif i == 1 or i == 3:
-                page.add_transformation(pypdf.Transformation().translate(tx=(a4_width / zoom - (a4_width - crop_right))))
+                if args.symmetry:
+                    page.add_transformation(pypdf.Transformation().translate(tx=(a4_width / zoom - (a4_width - crop_left))))
+                else:
+                    page.add_transformation(pypdf.Transformation().translate(tx=(a4_width / zoom - (a4_width - crop_right))))
             page.add_transformation(pypdf.Transformation().scale(zoom * bonus_shrink_factor, zoom * bonus_shrink_factor))
             if i == 2 or i == 3:
                 page.add_transformation(pypdf.Transformation().translate(ty=-2*printable_margin/printable_scale))