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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 "third_party/base/ptr_util.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() {}
CXFA_FontMgr::~CXFA_FontMgr() {}
CFX_RetainPtr<CFGAS_GEFont> CXFA_FontMgr::GetFont(
CXFA_FFDoc* hDoc,
const WideStringView& wsFontFamily,
uint32_t dwFontStyles,
uint16_t wCodePage) {
uint32_t dwHash = FX_HashCode_GetW(wsFontFamily, false);
ByteString bsKey;
bsKey.Format("%u%u%u", dwHash, dwFontStyles, wCodePage);
auto iter = m_FontMap.find(bsKey);
if (iter != m_FontMap.end())
return iter->second;
WideString wsEnglishName = FGAS_FontNameToEnglishName(wsFontFamily);
auto it = m_PDFFontMgrMap.find(hDoc);
CFGAS_PDFFontMgr* pMgr =
it != m_PDFFontMgrMap.end() ? it->second.get() : nullptr;
CPDF_Font* pPDFFont = nullptr;
CFX_RetainPtr<CFGAS_GEFont> pFont;
if (pMgr) {
pFont = pMgr->GetFont(wsEnglishName.AsStringView(), dwFontStyles, &pPDFFont,
true);
if (pFont)
return pFont;
}
if (!pFont && m_pDefFontMgr)
pFont = m_pDefFontMgr->GetFont(hDoc->GetApp()->GetFDEFontMgr(),
wsFontFamily, dwFontStyles, wCodePage);
if (!pFont && pMgr) {
pPDFFont = nullptr;
pFont = pMgr->GetFont(wsEnglishName.AsStringView(), dwFontStyles, &pPDFFont,
false);
if (pFont)
return pFont;
}
if (!pFont && m_pDefFontMgr) {
pFont = m_pDefFontMgr->GetDefaultFont(
hDoc->GetApp()->GetFDEFontMgr(), wsFontFamily, dwFontStyles, wCodePage);
}
if (pFont) {
if (pPDFFont) {
pMgr->SetFont(pFont, pPDFFont);
pFont->SetFontProvider(pMgr);
}
m_FontMap[bsKey] = pFont;
}
return pFont;
}
void CXFA_FontMgr::LoadDocFonts(CXFA_FFDoc* hDoc) {
if (!m_PDFFontMgrMap[hDoc])
m_PDFFontMgrMap[hDoc] = pdfium::MakeUnique<CFGAS_PDFFontMgr>(
hDoc->GetPDFDoc(), hDoc->GetApp()->GetFDEFontMgr());
}
void CXFA_FontMgr::ReleaseDocFonts(CXFA_FFDoc* hDoc) {
m_PDFFontMgrMap.erase(hDoc);
}
void CXFA_FontMgr::SetDefFontMgr(
std::unique_ptr<CFGAS_DefaultFontManager> pFontMgr) {
m_pDefFontMgr = std::move(pFontMgr);
}
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