From 1d1962a106b34c76ae4e2d921a87fdb0baad7f14 Mon Sep 17 00:00:00 2001
From: "James R. Barlow" <jim@purplerock.ca>
Date: Thu, 17 May 2018 16:50:01 -0700
Subject: [PATCH] weave: fix rescaling logic

rotation % 90 == 0 is always true.
---
 src/ocrmypdf/_weave.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/ocrmypdf/_weave.py b/src/ocrmypdf/_weave.py
index f45245e5..262028a8 100644
--- a/src/ocrmypdf/_weave.py
+++ b/src/ocrmypdf/_weave.py
@@ -100,10 +100,10 @@ def _weave_layers_graft(
     # Because of rounding of DPI, we might get a text layer that is not
     # identically sized to the target page. Scale to adjust. Normally this
     # is within 0.998.
+    if rotation in (90, 270):
+        wt, ht = ht, wt
     scale_x = wp / wt
     scale_y = hp / ht
-    if rotation % 90 == 0:
-        scale_x, scale_y = scale_y, scale_x
 
     log.debug('%r', (scale_x, scale_y))
     scale = pikepdf.PdfMatrix((scale_x, 0, 0, scale_y, 0, 0))