| // 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/fpdf_font/include/cpdf_font.h" |
| #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" |
| #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" |
| #include "core/fpdfdoc/include/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()->GetDictBy("AcroForm"); |
| CPDF_Font* pPDFFont = AddNativeInterFormFont(pFormDict, pDoc, sSysFontAlias); |
| if (!pPDFFont) |
| return; |
| |
| if (CPDF_Dictionary* pFontList = pResDict->GetDictBy("Font")) { |
| if (!pFontList->KeyExist(sSysFontAlias)) |
| pFontList->SetAtReference(sSysFontAlias, pDoc, pPDFFont->GetFontDict()); |
| } |
| 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; |
| } |