| // Copyright 2017 The PDFium Authors |
| // 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 "xfa/fgas/font/cfgas_defaultfontmanager.h" |
| |
| #include "core/fxcrt/fx_codepage.h" |
| #include "core/fxge/fx_font.h" |
| #include "third_party/base/numerics/safe_conversions.h" |
| #include "xfa/fgas/font/cfgas_fontmgr.h" |
| #include "xfa/fgas/font/cfgas_gefont.h" |
| #include "xfa/fgas/font/cfgas_gemodule.h" |
| #include "xfa/fgas/font/fgas_fontutils.h" |
| |
| // static |
| RetainPtr<CFGAS_GEFont> CFGAS_DefaultFontManager::GetFont( |
| WideString wsFontName, |
| uint32_t dwFontStyles) { |
| CFGAS_FontMgr* pFontMgr = CFGAS_GEModule::Get()->GetFontMgr(); |
| RetainPtr<CFGAS_GEFont> pFont = pFontMgr->LoadFont( |
| wsFontName.c_str(), dwFontStyles, FX_CodePage::kFailure); |
| if (pFont) |
| return pFont; |
| |
| const FGAS_FontInfo* pCurFont = |
| FGAS_FontInfoByFontName(wsFontName.AsStringView()); |
| if (!pCurFont || !pCurFont->pReplaceFont) |
| return pFont; |
| |
| uint32_t dwStyle = 0; |
| // TODO(dsinclair): Why doesn't this check the other flags? |
| if (FontStyleIsForceBold(dwFontStyles)) |
| dwStyle |= FXFONT_FORCE_BOLD; |
| if (FontStyleIsItalic(dwFontStyles)) |
| dwStyle |= FXFONT_ITALIC; |
| |
| const char* pReplace = pCurFont->pReplaceFont; |
| int32_t iLength = pdfium::base::checked_cast<int32_t>(strlen(pReplace)); |
| while (iLength > 0) { |
| const char* pNameText = pReplace; |
| while (*pNameText != ',' && iLength > 0) { |
| pNameText++; |
| iLength--; |
| } |
| WideString wsReplace = |
| WideString::FromASCII(ByteStringView(pReplace, pNameText - pReplace)); |
| pFont = |
| pFontMgr->LoadFont(wsReplace.c_str(), dwStyle, FX_CodePage::kFailure); |
| if (pFont) |
| break; |
| |
| iLength--; |
| pNameText++; |
| pReplace = pNameText; |
| } |
| return pFont; |
| } |
| |
| // static |
| RetainPtr<CFGAS_GEFont> CFGAS_DefaultFontManager::GetDefaultFont( |
| uint32_t dwFontStyles) { |
| CFGAS_FontMgr* pFontMgr = CFGAS_GEModule::Get()->GetFontMgr(); |
| RetainPtr<CFGAS_GEFont> pFont = |
| pFontMgr->LoadFont(L"Arial Narrow", dwFontStyles, FX_CodePage::kFailure); |
| if (pFont) |
| return pFont; |
| |
| return pFontMgr->LoadFont(nullptr, dwFontStyles, FX_CodePage::kFailure); |
| } |