core/ difference with XFA (for information only).

core/src/fpdfdoc/doc_form.cpp

Index: core/src/fpdfdoc/doc_form.cpp
diff --git a/core/src/fpdfdoc/doc_form.cpp b/core/src/fpdfdoc/doc_form.cpp
index 07c54a08a8003a88f87fc46fd96ef073089e500b..ffd6bf7955f728d27eac19fa5da01ef35804ea58 100644
--- a/core/src/fpdfdoc/doc_form.cpp
+++ b/core/src/fpdfdoc/doc_form.cpp
@@ -371,6 +371,21 @@ static FX_BOOL RetrieveSpecificFont(uint8_t charSet,
   }
   return RetrieveSpecificFont(lf);
 }
+#ifdef PDF_ENABLE_XFA
+static FX_BOOL RetrieveStockFont(int iFontObject,
+                                 uint8_t charSet,
+                                 LOGFONTA& lf) {
+  HFONT hFont = (HFONT)::GetStockObject(iFontObject);
+  if (hFont != NULL) {
+    memset(&lf, 0, sizeof(LOGFONTA));
+    int iRet = ::GetObject(hFont, sizeof(LOGFONTA), &lf);
+    if (iRet > 0 && (lf.lfCharSet == charSet || charSet == 255)) {
+      return RetrieveSpecificFont(lf);
+    }
+  }
+  return FALSE;
+}
+#endif
 #endif
 
 CPDF_Font* CPDF_InterForm::AddStandardFont(CPDF_Document* pDocument,