From be16cf2f6e4548d3ba6f0554202c921b0c90b5a5 Mon Sep 17 00:00:00 2001
From: Markus Koch <markus@notsyncing.net>
Date: Mon, 20 Apr 2020 00:02:28 +0200
Subject: Automatically disable anti-aliasing on high zoom levels

---
 htdocs/mapscript.js | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'htdocs/mapscript.js')

diff --git a/htdocs/mapscript.js b/htdocs/mapscript.js
index 1887c2a..365a41d 100644
--- a/htdocs/mapscript.js
+++ b/htdocs/mapscript.js
@@ -359,7 +359,15 @@ function dragstart(e) {
 	is_user_drag = 1;
 }
 
+function update_aa_status() {
+	if (mymap.getZoom() > zoom_level_real)
+		document.getElementById('mapid').classList.add("no-aa");
+	else
+		document.getElementById('mapid').classList.remove("no-aa");
+}
+
 mymap.on('zoomend', function () {is_user_drag = 1; update_hash_from_position();});
+mymap.on('zoomend', update_aa_status);
 mymap.on('moveend', update_hash_from_position);
 mymap.on('dragstart', function () { is_user_drag = 1;});
 mymap.on('keydown', function (e) { if (e.originalEvent.code.match(/Arrow.*/)) is_user_drag = 1;});
-- 
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