1 // Copyright 2014 PDFium Authors. All rights reserved.
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 <algorithm>
10 #include <memory>
11 #include <utility>
12
13 #include "core/fpdfapi/font/cpdf_font.h"
14 #include "core/fpdfapi/parser/cpdf_dictionary.h"
15 #include "core/fpdfapi/parser/cpdf_document.h"
16 #include "third_party/base/ptr_util.h"
17 #include "xfa/fgas/font/cfgas_gefont.h"
18 #include "xfa/fgas/font/fgas_fontutils.h"
19 #include "xfa/fxfa/cxfa_ffapp.h"
20 #include "xfa/fxfa/cxfa_ffdoc.h"
21
CXFA_FontMgr()22 CXFA_FontMgr::CXFA_FontMgr() {}
23
~CXFA_FontMgr()24 CXFA_FontMgr::~CXFA_FontMgr() {}
25
GetFont(CXFA_FFDoc * hDoc,const WideStringView & wsFontFamily,uint32_t dwFontStyles)26 RetainPtr<CFGAS_GEFont> CXFA_FontMgr::GetFont(
27 CXFA_FFDoc* hDoc,
28 const WideStringView& wsFontFamily,
29 uint32_t dwFontStyles) {
30 uint32_t dwHash = FX_HashCode_GetW(wsFontFamily, false);
31 ByteString bsKey = ByteString::Format("%u%u%u", dwHash, dwFontStyles, 0xFFFF);
32 auto iter = m_FontMap.find(bsKey);
33 if (iter != m_FontMap.end())
34 return iter->second;
35
36 WideString wsEnglishName = FGAS_FontNameToEnglishName(wsFontFamily);
37
38 CFGAS_PDFFontMgr* pMgr = hDoc->GetPDFFontMgr();
39 CPDF_Font* pPDFFont = nullptr;
40 RetainPtr<CFGAS_GEFont> pFont;
41 if (pMgr) {
42 pFont = pMgr->GetFont(wsEnglishName.AsStringView(), dwFontStyles, &pPDFFont,
43 true);
44 if (pFont)
45 return pFont;
46 }
47 if (!pFont && m_pDefFontMgr)
48 pFont = m_pDefFontMgr->GetFont(hDoc->GetApp()->GetFDEFontMgr(),
49 wsFontFamily, dwFontStyles);
50
51 if (!pFont && pMgr) {
52 pPDFFont = nullptr;
53 pFont = pMgr->GetFont(wsEnglishName.AsStringView(), dwFontStyles, &pPDFFont,
54 false);
55 if (pFont)
56 return pFont;
57 }
58 if (!pFont && m_pDefFontMgr) {
59 pFont = m_pDefFontMgr->GetDefaultFont(hDoc->GetApp()->GetFDEFontMgr(),
60 wsFontFamily, dwFontStyles);
61 }
62
63 if (pFont) {
64 if (pPDFFont) {
65 pMgr->SetFont(pFont, pPDFFont);
66 pFont->SetFontProvider(pMgr);
67 }
68 m_FontMap[bsKey] = pFont;
69 }
70 return pFont;
71 }
72
SetDefFontMgr(std::unique_ptr<CFGAS_DefaultFontManager> pFontMgr)73 void CXFA_FontMgr::SetDefFontMgr(
74 std::unique_ptr<CFGAS_DefaultFontManager> pFontMgr) {
75 m_pDefFontMgr = std::move(pFontMgr);
76 }
77