Add language attribute to canvas

mozilla · May 17, 2024 · 4e53e30 · 4e53e30
1 parent 0603d1a
commit 4e53e30
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/display/text_layer.js b/src/display/text_layer.js
@@ -65,6 +65,9 @@ const ascentCache = new Map();
 let _canvasContext = null;
 
 function getCtx(lang = null) {
+  if (_canvasContext && _canvasContext.canvas.lang !== (lang || "")) {
+    cleanupTextLayer();
+  }
   if (!_canvasContext) {
     // We don't use an OffscreenCanvas here because we use serif/sans serif
     // fonts with it and they depends on the locale.
@@ -77,6 +80,9 @@ function getCtx(lang = null) {
     // OffscreenCanvas.
     const canvas = document.createElement("canvas");
     canvas.className = "hiddenCanvasElement";
+    if (lang) {
+      canvas.lang = lang;
+    }
     document.body.append(canvas);
     _canvasContext = canvas.getContext("2d", { alpha: false });
   }