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author | dsinclair <dsinclair@chromium.org> | 2016-10-04 10:58:54 -0700 |
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committer | Commit bot <commit-bot@chromium.org> | 2016-10-04 10:58:55 -0700 |
commit | a6c9215eea43b0536b228093ee7dd0e83ef62a46 (patch) | |
tree | f26a39d5dbca3c3291234dffbc975542bafa6b9c /core/fpdfapi/fpdf_cmaps/fpdf_cmaps.cpp | |
parent | 89f9ee3b8f3b4756f05ff48055f4bff7353201e2 (diff) | |
download | pdfium-a6c9215eea43b0536b228093ee7dd0e83ef62a46.tar.xz |
Move core/fpdfapi/fpdf_cmaps to core/fpdfapi/cmaps
BUG=pdfium:603
Review-Url: https://codereview.chromium.org/2391013002
Diffstat (limited to 'core/fpdfapi/fpdf_cmaps/fpdf_cmaps.cpp')
-rw-r--r-- | core/fpdfapi/fpdf_cmaps/fpdf_cmaps.cpp | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/core/fpdfapi/fpdf_cmaps/fpdf_cmaps.cpp b/core/fpdfapi/fpdf_cmaps/fpdf_cmaps.cpp deleted file mode 100644 index 2af78102ba..0000000000 --- a/core/fpdfapi/fpdf_cmaps/fpdf_cmaps.cpp +++ /dev/null @@ -1,154 +0,0 @@ -// 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 "core/fpdfapi/fpdf_cmaps/cmap_int.h" - -#include "core/fpdfapi/cpdf_modulemgr.h" -#include "core/fpdfapi/fpdf_font/font_int.h" -#include "core/fpdfapi/fpdf_page/cpdf_pagemodule.h" - -extern "C" { - -static int compareWord(const void* p1, const void* p2) { - return (*(uint16_t*)p1) - (*(uint16_t*)p2); -} - -static int compareWordRange(const void* key, const void* element) { - if (*(uint16_t*)key < *(uint16_t*)element) - return -1; - if (*(uint16_t*)key > ((uint16_t*)element)[1]) - return 1; - return 0; -} - -static int compareDWordRange(const void* p1, const void* p2) { - uint32_t key = *(uint32_t*)p1; - uint16_t hiword = (uint16_t)(key >> 16); - uint16_t* element = (uint16_t*)p2; - if (hiword < element[0]) - return -1; - if (hiword > element[0]) - return 1; - - uint16_t loword = (uint16_t)key; - if (loword < element[1]) - return -1; - if (loword > element[2]) - return 1; - return 0; -} - -static int compareDWordSingle(const void* p1, const void* p2) { - uint32_t key = *(uint32_t*)p1; - uint32_t value = ((*(uint16_t*)p2) << 16) | ((uint16_t*)p2)[1]; - if (key < value) - return -1; - if (key > value) - return 1; - return 0; -} - -}; // extern "C" - -void FPDFAPI_FindEmbeddedCMap(const CFX_ByteString& bsName, - int charset, - int coding, - const FXCMAP_CMap*& pMap) { - pMap = nullptr; - CPDF_FontGlobals* pFontGlobals = - CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals(); - const FXCMAP_CMap* pCMaps = - pFontGlobals->m_EmbeddedCharsets[charset].m_pMapList; - for (uint32_t i = 0; i < pFontGlobals->m_EmbeddedCharsets[charset].m_Count; - i++) { - if (bsName == pCMaps[i].m_Name) { - pMap = &pCMaps[i]; - break; - } - } -} - -uint16_t FPDFAPI_CIDFromCharCode(const FXCMAP_CMap* pMap, uint32_t charcode) { - if (charcode >> 16) { - while (1) { - if (pMap->m_DWordMapType == FXCMAP_CMap::Range) { - uint16_t* found = static_cast<uint16_t*>( - FXSYS_bsearch(&charcode, pMap->m_pDWordMap, pMap->m_DWordCount, 8, - compareDWordRange)); - if (found) - return found[3] + (uint16_t)charcode - found[1]; - - } else if (pMap->m_DWordMapType == FXCMAP_CMap::Single) { - uint16_t* found = static_cast<uint16_t*>( - FXSYS_bsearch(&charcode, pMap->m_pDWordMap, pMap->m_DWordCount, 6, - compareDWordSingle)); - if (found) - return found[2]; - } - if (pMap->m_UseOffset == 0) - return 0; - - pMap = pMap + pMap->m_UseOffset; - } - return 0; - } - - uint16_t code = (uint16_t)charcode; - while (1) { - if (!pMap->m_pWordMap) - return 0; - if (pMap->m_WordMapType == FXCMAP_CMap::Single) { - uint16_t* found = static_cast<uint16_t*>(FXSYS_bsearch( - &code, pMap->m_pWordMap, pMap->m_WordCount, 4, compareWord)); - if (found) - return found[1]; - - } else if (pMap->m_WordMapType == FXCMAP_CMap::Range) { - uint16_t* found = static_cast<uint16_t*>(FXSYS_bsearch( - &code, pMap->m_pWordMap, pMap->m_WordCount, 6, compareWordRange)); - if (found) - return found[2] + code - found[0]; - } - if (pMap->m_UseOffset == 0) - return 0; - - pMap = pMap + pMap->m_UseOffset; - } - return 0; -} - -uint32_t FPDFAPI_CharCodeFromCID(const FXCMAP_CMap* pMap, uint16_t cid) { - // TODO(dsinclair): This should be checking both pMap->m_WordMap and - // pMap->m_DWordMap. There was a second while() but it was never reached as - // the first always returns. Investigate and determine how this should - // really be working. (https://codereview.chromium.org/2235743003 removed the - // second while loop.) - while (1) { - if (pMap->m_WordMapType == FXCMAP_CMap::Single) { - const uint16_t* pCur = pMap->m_pWordMap; - const uint16_t* pEnd = pMap->m_pWordMap + pMap->m_WordCount * 2; - while (pCur < pEnd) { - if (pCur[1] == cid) - return pCur[0]; - - pCur += 2; - } - } else if (pMap->m_WordMapType == FXCMAP_CMap::Range) { - const uint16_t* pCur = pMap->m_pWordMap; - const uint16_t* pEnd = pMap->m_pWordMap + pMap->m_WordCount * 3; - while (pCur < pEnd) { - if (cid >= pCur[2] && cid <= pCur[2] + pCur[1] - pCur[0]) - return pCur[0] + cid - pCur[2]; - - pCur += 3; - } - } - if (pMap->m_UseOffset == 0) - return 0; - - pMap = pMap + pMap->m_UseOffset; - } -} |