// 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/fpdfapi/parser/cpdf_reference.h" #include "core/fpdfdoc/cpdf_interform.h" #include "core/fxcrt/fx_codepage.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() {} CPDF_Font* CPVT_FontMap::GetAnnotSysPDFFont(CPDF_Document* pDoc, const CPDF_Dictionary* pResDict, CFX_ByteString* sSysFontAlias) { if (!pDoc || !pResDict) return nullptr; CPDF_Dictionary* pFormDict = pDoc->GetRoot()->GetDictFor("AcroForm"); CPDF_Font* pPDFFont = AddNativeInterFormFont(pFormDict, pDoc, sSysFontAlias); if (!pPDFFont) return nullptr; CPDF_Dictionary* pFontList = pResDict->GetDictFor("Font"); if (pFontList && !pFontList->KeyExist(*sSysFontAlias)) { pFontList->SetNewFor<CPDF_Reference>(*sSysFontAlias, pDoc, pPDFFont->GetFontDict()->GetObjNum()); } return pPDFFont; } CPDF_Font* CPVT_FontMap::GetPDFFont(int32_t nFontIndex) { switch (nFontIndex) { case 0: return m_pDefFont; case 1: if (!m_pSysFont) { m_pSysFont = GetAnnotSysPDFFont(m_pDocument, m_pResDict, &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) { m_pSysFont = GetAnnotSysPDFFont(m_pDocument, m_pResDict, &m_sSysFontAlias); } return m_sSysFontAlias; default: return CFX_ByteString(); } } 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 FX_CHARSET_ANSI; }