xref: /aosp_15_r20/external/pdfium/xfa/fxfa/cxfa_fontmgr.cpp (revision 3ac0a46f773bac49fa9476ec2b1cf3f8da5ec3a4)
1 // Copyright 2014 The PDFium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 
7 #include "xfa/fxfa/cxfa_fontmgr.h"
8 
9 #include "core/fpdfapi/parser/cpdf_dictionary.h"
10 #include "core/fxge/cfx_fontmgr.h"
11 #include "core/fxge/cfx_gemodule.h"
12 #include "xfa/fgas/font/cfgas_defaultfontmanager.h"
13 #include "xfa/fgas/font/cfgas_gefont.h"
14 #include "xfa/fgas/font/fgas_fontutils.h"
15 #include "xfa/fxfa/cxfa_ffapp.h"
16 #include "xfa/fxfa/cxfa_ffdoc.h"
17 
18 CXFA_FontMgr::CXFA_FontMgr() = default;
19 
20 CXFA_FontMgr::~CXFA_FontMgr() = default;
21 
Trace(cppgc::Visitor * visitor) const22 void CXFA_FontMgr::Trace(cppgc::Visitor* visitor) const {}
23 
GetFont(CXFA_FFDoc * pDoc,const WideString & wsFontFamily,uint32_t dwFontStyles)24 RetainPtr<CFGAS_GEFont> CXFA_FontMgr::GetFont(CXFA_FFDoc* pDoc,
25                                               const WideString& wsFontFamily,
26                                               uint32_t dwFontStyles) {
27   auto key = std::make_pair(wsFontFamily, dwFontStyles);
28   auto iter = m_FontMap.find(key);
29   if (iter != m_FontMap.end())
30     return iter->second;
31 
32   WideString wsEnglishName = FGAS_FontNameToEnglishName(wsFontFamily);
33   RetainPtr<CFGAS_GEFont> pFont =
34       pDoc->GetPDFFont(wsEnglishName, dwFontStyles, true);
35   if (pFont)
36     return pFont;
37 
38   pFont = CFGAS_DefaultFontManager::GetFont(wsFontFamily, dwFontStyles);
39   if (!pFont) {
40     pFont = pDoc->GetPDFFont(wsEnglishName, dwFontStyles, false);
41     if (pFont)
42       return pFont;
43   }
44   if (!pFont) {
45     pFont = CFGAS_DefaultFontManager::GetDefaultFont(dwFontStyles);
46   }
47   if (!pFont) {
48     pFont = CFGAS_GEFont::LoadStockFont(
49         pDoc->GetPDFDoc(), ByteString::Format("%ls", wsFontFamily.c_str()));
50   }
51   if (!pFont)
52     return nullptr;
53 
54   m_FontMap[key] = pFont;
55   return pFont;
56 }
57