blob: f36f4dff34c914e9603c0c1e5665d02b6887825e [file] [log] [blame]
// 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);
}