From c5ef1b6370d3229f52b292fa72c5b4700a77e32f Mon Sep 17 00:00:00 2001
From: Kai Stevenson <kai@kaistevenson.com>
Date: Wed, 2 Aug 2023 03:24:42 -0700
Subject: fixed dpi scaling

---
 src/phplatex.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/phplatex.php')

diff --git a/src/phplatex.php b/src/phplatex.php
index 4d2c60b..2b9f490 100644
--- a/src/phplatex.php
+++ b/src/phplatex.php
@@ -82,7 +82,7 @@ function texify($string,$dpi='90',$fore="",$back="",$extraprelude="",$trans=FALS
   
   # check if image for that TeX in the cache, return img HTML if it exists
   if (file_exists($heredir.'/lateximages/'.$hashfn.'.'.$imgfmt)) 
-    return '<img style="'.$verticalalign.'" title="'.$stralt.'" alt="'.$stralt.'" src="/lateximages/'.$hashfn.'.'.$imgfmt.'">';
+    return '<img class="lateximage" style="'.$verticalalign.'" title="'.$stralt.'" alt="'.$stralt.'" srcset="/lateximages/'.$hashfn.'.'.$imgfmt.' 2x">';
 
   # otherwise try to make and store:
   
@@ -134,6 +134,6 @@ function texify($string,$dpi='90',$fore="",$back="",$extraprelude="",$trans=FALS
   copy($tfn.'.'.$imgfmt, $heredir.'/lateximages/'.$hashfn.'.'.$imgfmt);
   
   # Clean up temporary files, and return link to just-created image
-  return phplatex_cleantmp($tfn,$heredir).'<img style="'.$verticalalign.'" title="'.$stralt.'" alt="LaTeX formula: '.$stralt.'" src="/lateximages/'.$hashfn.'.'.$imgfmt.'">';
+  return phplatex_cleantmp($tfn,$heredir).'<img class="lateximage" style="'.$verticalalign.'" title="'.$stralt.'" alt="LaTeX formula: '.$stralt.'" srcset="/lateximages/'.$hashfn.'.'.$imgfmt.' 2x">';
 } 
 ?>
-- 
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