Merge pull request #450 from bugfix/447-page-transparency

highcharts · Nov 23, 2023 · c87d09c · c87d09c
2 parents 763704b + a88354e
commit c87d09c
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/lib/export.js b/lib/export.js
@@ -59,7 +59,12 @@ const createImage = async (page, type, encoding, clip) =>
     page.screenshot({
       type,
       encoding,
-      clip
+      clip,
+
+      // #447 - always render on a transparent page
+      // this will not affect users who do not explicitly set
+      // chart.backgroundColor to a color with opacity lower than 1
+      omitBackground: true
     }),
     new Promise((resolve, reject) =>
       setTimeout(() => reject(new Error('Rasterization timeout')), 1500)