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// Copyright 2016 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 "core/fpdfdoc/cpvt_fontmap.h"
#include "core/fpdfapi/font/cpdf_font.h"
#include "core/fpdfapi/parser/cpdf_dictionary.h"
#include "core/fpdfapi/parser/cpdf_document.h"
#include "core/fpdfdoc/cpdf_interform.h"
CPVT_FontMap::CPVT_FontMap(CPDF_Document* pDoc,
CPDF_Dictionary* pResDict,
CPDF_Font* pDefFont,
const CFX_ByteString& sDefFontAlias)
: m_pDocument(pDoc),
m_pResDict(pResDict),
m_pDefFont(pDefFont),
m_sDefFontAlias(sDefFontAlias),
m_pSysFont(nullptr),
m_sSysFontAlias() {}
CPVT_FontMap::~CPVT_FontMap() {}
void CPVT_FontMap::GetAnnotSysPDFFont(CPDF_Document* pDoc,
const CPDF_Dictionary* pResDict,
CPDF_Font*& pSysFont,
CFX_ByteString& sSysFontAlias) {
if (!pDoc || !pResDict)
return;
CFX_ByteString sFontAlias;
CPDF_Dictionary* pFormDict = pDoc->GetRoot()->GetDictFor("AcroForm");
CPDF_Font* pPDFFont = AddNativeInterFormFont(pFormDict, pDoc, sSysFontAlias);
if (!pPDFFont)
return;
CPDF_Dictionary* pFontList = pResDict->GetDictFor("Font");
if (pFontList && !pFontList->KeyExist(sSysFontAlias)) {
pFontList->SetReferenceFor(sSysFontAlias, pDoc,
pPDFFont->GetFontDict()->GetObjNum());
}
pSysFont = pPDFFont;
}
CPDF_Font* CPVT_FontMap::GetPDFFont(int32_t nFontIndex) {
switch (nFontIndex) {
case 0:
return m_pDefFont;
case 1:
if (!m_pSysFont) {
GetAnnotSysPDFFont(m_pDocument, m_pResDict, m_pSysFont,
m_sSysFontAlias);
}
return m_pSysFont;
default:
return nullptr;
}
}
CFX_ByteString CPVT_FontMap::GetPDFFontAlias(int32_t nFontIndex) {
switch (nFontIndex) {
case 0:
return m_sDefFontAlias;
case 1:
if (!m_pSysFont) {
GetAnnotSysPDFFont(m_pDocument, m_pResDict, m_pSysFont,
m_sSysFontAlias);
}
return m_sSysFontAlias;
default:
return "";
}
}
int32_t CPVT_FontMap::GetWordFontIndex(uint16_t word,
int32_t charset,
int32_t nFontIndex) {
ASSERT(false);
return 0;
}
int32_t CPVT_FontMap::CharCodeFromUnicode(int32_t nFontIndex, uint16_t word) {
ASSERT(false);
return 0;
}
int32_t CPVT_FontMap::CharSetFromUnicode(uint16_t word, int32_t nOldCharset) {
ASSERT(false);
return FXFONT_ANSI_CHARSET;
}
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