From 6451017962a2b1c83d7906349193f3f9333ce9c8 Mon Sep 17 00:00:00 2001
From: Jim Barlow <jim@purplerock.ca>
Date: Fri, 24 Jul 2015 01:56:44 -0700
Subject: [PATCH] Implement oversample

---
 src/ocrmypdf.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/ocrmypdf.py b/src/ocrmypdf.py
index df289dd6..d6908005 100755
--- a/src/ocrmypdf.py
+++ b/src/ocrmypdf.py
@@ -355,14 +355,15 @@ def rasterize_with_ghostscript(
                      for image in pageinfo['images']):
             device = 'pnggray'
 
+    xres = max(pageinfo['xres_render'], options.oversample or 0)
+    yres = max(pageinfo['yres_render'], options.oversample or 0)
     with NamedTemporaryFile(delete=True) as tmp:
         args_gs = [
             'gs',
             '-dBATCH', '-dNOPAUSE',
             '-sDEVICE=%s' % device,
             '-o', tmp.name,
-            '-r{0}x{1}'.format(
-                str(pageinfo['xres_render']), str(pageinfo['yres_render'])),
+            '-r{0}x{1}'.format(str(xres), str(yres)),
             input_file
         ]