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94 lines
2.8 KiB
94 lines
2.8 KiB
// Copyright 2016 PDFium Authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style license that can be |
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// found in the LICENSE file. |
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
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#include "core/fpdfdoc/cpvt_fontmap.h" |
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#include "core/fpdfapi/font/cpdf_font.h" |
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#include "core/fpdfapi/parser/cpdf_dictionary.h" |
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#include "core/fpdfapi/parser/cpdf_document.h" |
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#include "core/fpdfapi/parser/cpdf_reference.h" |
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#include "core/fpdfdoc/cpdf_interform.h" |
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CPVT_FontMap::CPVT_FontMap(CPDF_Document* pDoc, |
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CPDF_Dictionary* pResDict, |
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CPDF_Font* pDefFont, |
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const CFX_ByteString& sDefFontAlias) |
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: m_pDocument(pDoc), |
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m_pResDict(pResDict), |
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m_pDefFont(pDefFont), |
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m_sDefFontAlias(sDefFontAlias), |
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m_pSysFont(nullptr), |
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m_sSysFontAlias() {} |
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CPVT_FontMap::~CPVT_FontMap() {} |
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void CPVT_FontMap::GetAnnotSysPDFFont(CPDF_Document* pDoc, |
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const CPDF_Dictionary* pResDict, |
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CPDF_Font*& pSysFont, |
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CFX_ByteString& sSysFontAlias) { |
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if (!pDoc || !pResDict) |
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return; |
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CFX_ByteString sFontAlias; |
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CPDF_Dictionary* pFormDict = pDoc->GetRoot()->GetDictFor("AcroForm"); |
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CPDF_Font* pPDFFont = AddNativeInterFormFont(pFormDict, pDoc, sSysFontAlias); |
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if (!pPDFFont) |
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return; |
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CPDF_Dictionary* pFontList = pResDict->GetDictFor("Font"); |
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if (pFontList && !pFontList->KeyExist(sSysFontAlias)) { |
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pFontList->SetNewFor<CPDF_Reference>(sSysFontAlias, pDoc, |
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pPDFFont->GetFontDict()->GetObjNum()); |
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} |
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pSysFont = pPDFFont; |
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} |
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CPDF_Font* CPVT_FontMap::GetPDFFont(int32_t nFontIndex) { |
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switch (nFontIndex) { |
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case 0: |
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return m_pDefFont; |
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case 1: |
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if (!m_pSysFont) { |
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GetAnnotSysPDFFont(m_pDocument, m_pResDict, m_pSysFont, |
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m_sSysFontAlias); |
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} |
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return m_pSysFont; |
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default: |
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return nullptr; |
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} |
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} |
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CFX_ByteString CPVT_FontMap::GetPDFFontAlias(int32_t nFontIndex) { |
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switch (nFontIndex) { |
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case 0: |
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return m_sDefFontAlias; |
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case 1: |
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if (!m_pSysFont) { |
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GetAnnotSysPDFFont(m_pDocument, m_pResDict, m_pSysFont, |
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m_sSysFontAlias); |
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} |
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return m_sSysFontAlias; |
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default: |
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return ""; |
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} |
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} |
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int32_t CPVT_FontMap::GetWordFontIndex(uint16_t word, |
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int32_t charset, |
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int32_t nFontIndex) { |
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ASSERT(false); |
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return 0; |
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} |
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int32_t CPVT_FontMap::CharCodeFromUnicode(int32_t nFontIndex, uint16_t word) { |
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ASSERT(false); |
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return 0; |
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} |
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int32_t CPVT_FontMap::CharSetFromUnicode(uint16_t word, int32_t nOldCharset) { |
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ASSERT(false); |
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return FXFONT_ANSI_CHARSET; |
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}
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