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// 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 "xfa/fxfa/cxfa_fontmgr.h"
#include <algorithm>
#include <memory>
#include <utility>
#include "core/fpdfapi/font/cpdf_font.h"
#include "core/fpdfapi/parser/cpdf_dictionary.h"
#include "core/fpdfapi/parser/cpdf_document.h"
#include "core/fxge/cfx_fontmgr.h"
#include "core/fxge/cfx_gemodule.h"
#include "third_party/base/ptr_util.h"
#include "xfa/fgas/font/cfgas_defaultfontmanager.h"
#include "xfa/fgas/font/cfgas_gefont.h"
#include "xfa/fgas/font/fgas_fontutils.h"
#include "xfa/fxfa/cxfa_ffapp.h"
#include "xfa/fxfa/cxfa_ffdoc.h"
CXFA_FontMgr::CXFA_FontMgr() = default;
CXFA_FontMgr::~CXFA_FontMgr() = default;
RetainPtr<CFGAS_GEFont> CXFA_FontMgr::GetFont(
CXFA_FFDoc* hDoc,
const WideStringView& wsFontFamily,
uint32_t dwFontStyles) {
uint32_t dwHash = FX_HashCode_GetW(wsFontFamily, false);
ByteString bsKey = ByteString::Format("%u%u%u", dwHash, dwFontStyles, 0xFFFF);
auto iter = m_FontMap.find(bsKey);
if (iter != m_FontMap.end())
return iter->second;
WideString wsEnglishName = FGAS_FontNameToEnglishName(wsFontFamily);
CFGAS_PDFFontMgr* pMgr = hDoc->GetPDFFontMgr();
RetainPtr<CFGAS_GEFont> pFont;
if (pMgr) {
pFont = pMgr->GetFont(wsEnglishName.AsStringView(), dwFontStyles, true);
if (pFont)
return pFont;
}
if (!pFont) {
pFont = CFGAS_DefaultFontManager::GetFont(hDoc->GetApp()->GetFDEFontMgr(),
wsFontFamily, dwFontStyles);
}
if (!pFont && pMgr) {
pFont = pMgr->GetFont(wsEnglishName.AsStringView(), dwFontStyles, false);
if (pFont)
return pFont;
}
if (!pFont) {
pFont = CFGAS_DefaultFontManager::GetDefaultFont(
hDoc->GetApp()->GetFDEFontMgr(), wsFontFamily, dwFontStyles);
}
if (!pFont) {
ByteString font_family =
ByteString::Format("%ls", WideString(wsFontFamily).c_str());
CPDF_Font* stock_font =
CPDF_Font::GetStockFont(hDoc->GetPDFDoc(), font_family.AsStringView());
if (stock_font)
pFont = CFGAS_GEFont::LoadFont(stock_font->GetFont(),
hDoc->GetApp()->GetFDEFontMgr());
}
if (pFont)
m_FontMap[bsKey] = pFont;
return pFont;
}
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