Ensure that the various layers always get the correct initial size (i…

…ssue 15795)
mozilla · Dec 8, 2022 · ea97ac9 · ea97ac9
1 parent c639063
commit ea97ac9
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diff --git a/web/pdf_page_view.js b/web/pdf_page_view.js
@@ -195,6 +195,13 @@ class PDFPageView {
         PDFJSDev.test("!PRODUCTION || GENERIC")) &&
       this._isStandalone
     ) {
+      // Ensure that the various layers always get the correct initial size,
+      // see issue 15795.
+      docStyle.setProperty(
+        "--scale-factor",
+        this.scale * PixelsPerInch.PDF_TO_CSS_UNITS
+      );
+
       const { optionalContentConfigPromise } = options;
       if (optionalContentConfigPromise) {
         // Ensure that the thumbnails always display the *initial* document

diff --git a/web/pdf_viewer.js b/web/pdf_viewer.js
@@ -746,6 +746,10 @@ class PDFViewer {
         const viewport = firstPdfPage.getViewport({
           scale: scale * PixelsPerInch.PDF_TO_CSS_UNITS,
         });
+        // Ensure that the various layers always get the correct initial size,
+        // see issue 15795.
+        docStyle.setProperty("--scale-factor", viewport.scale);
+
         const textLayerFactory =
           textLayerMode !== TextLayerMode.DISABLE && !isPureXfa ? this : null;
         const annotationLayerFactory =