core/ difference with XFA (for information only).

core/src/fpdfdoc/doc_form.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "core/include/fpdfdoc/fpdf_doc.h"
 #include "doc_utils.h"
 
 const int nMaxRecursion = 32;
@@ skipping 353 matching lines @@
                                     LPCSTR pcsFontName,
                                     LOGFONTA& lf) {
   memset(&lf, 0, sizeof(LOGFONTA));
   lf.lfCharSet = charSet;
   lf.lfPitchAndFamily = pitchAndFamily;
   if (pcsFontName != NULL) {
     strcpy(lf.lfFaceName, pcsFontName);
   }
   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,
                                            CFX_ByteString csFontName) {
   if (!pDocument || csFontName.IsEmpty())
     return nullptr;
 
   if (csFontName == "ZapfDingbats")
     return pDocument->AddStandardFont(csFontName.c_str(), nullptr);
 
@@ skipping 873 matching lines @@
     FDF_ImportField(pField, L"", bNotify);
   }
   if (bNotify && m_pFormNotify != NULL) {
     m_pFormNotify->AfterFormImportData(this);
   }
   return TRUE;
 }
 void CPDF_InterForm::SetFormNotify(const CPDF_FormNotify* pNotify) {
   m_pFormNotify = (CPDF_FormNotify*)pNotify;
 }