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| 1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| 6 | 6 |
| 7 #include "core/fpdfapi/fpdf_cmaps/cmap_int.h" | 7 #include "core/fpdfapi/fpdf_cmaps/cmap_int.h" |
| 8 | 8 |
| 9 #include "core/fpdfapi/fpdf_font/font_int.h" | 9 #include "core/fpdfapi/fpdf_font/font_int.h" |
| 10 #include "core/fpdfapi/include/cpdf_modulemgr.h" | 10 #include "core/fpdfapi/include/cpdf_modulemgr.h" |
| (...skipping 27 matching lines...) Expand all Loading... |
| 38 return -1; | 38 return -1; |
| 39 } | 39 } |
| 40 if (*(uint16_t*)key > ((uint16_t*)element)[1]) { | 40 if (*(uint16_t*)key > ((uint16_t*)element)[1]) { |
| 41 return 1; | 41 return 1; |
| 42 } | 42 } |
| 43 return 0; | 43 return 0; |
| 44 } | 44 } |
| 45 }; | 45 }; |
| 46 extern "C" { | 46 extern "C" { |
| 47 static int compareDWordRange(const void* p1, const void* p2) { | 47 static int compareDWordRange(const void* p1, const void* p2) { |
| 48 FX_DWORD key = *(FX_DWORD*)p1; | 48 uint32_t key = *(uint32_t*)p1; |
| 49 uint16_t hiword = (uint16_t)(key >> 16); | 49 uint16_t hiword = (uint16_t)(key >> 16); |
| 50 uint16_t* element = (uint16_t*)p2; | 50 uint16_t* element = (uint16_t*)p2; |
| 51 if (hiword < element[0]) { | 51 if (hiword < element[0]) { |
| 52 return -1; | 52 return -1; |
| 53 } | 53 } |
| 54 if (hiword > element[0]) { | 54 if (hiword > element[0]) { |
| 55 return 1; | 55 return 1; |
| 56 } | 56 } |
| 57 uint16_t loword = (uint16_t)key; | 57 uint16_t loword = (uint16_t)key; |
| 58 if (loword < element[1]) { | 58 if (loword < element[1]) { |
| 59 return -1; | 59 return -1; |
| 60 } | 60 } |
| 61 if (loword > element[2]) { | 61 if (loword > element[2]) { |
| 62 return 1; | 62 return 1; |
| 63 } | 63 } |
| 64 return 0; | 64 return 0; |
| 65 } | 65 } |
| 66 }; | 66 }; |
| 67 extern "C" { | 67 extern "C" { |
| 68 static int compareDWordSingle(const void* p1, const void* p2) { | 68 static int compareDWordSingle(const void* p1, const void* p2) { |
| 69 FX_DWORD key = *(FX_DWORD*)p1; | 69 uint32_t key = *(uint32_t*)p1; |
| 70 FX_DWORD value = ((*(uint16_t*)p2) << 16) | ((uint16_t*)p2)[1]; | 70 uint32_t value = ((*(uint16_t*)p2) << 16) | ((uint16_t*)p2)[1]; |
| 71 if (key < value) { | 71 if (key < value) { |
| 72 return -1; | 72 return -1; |
| 73 } | 73 } |
| 74 if (key > value) { | 74 if (key > value) { |
| 75 return 1; | 75 return 1; |
| 76 } | 76 } |
| 77 return 0; | 77 return 0; |
| 78 } | 78 } |
| 79 }; | 79 }; |
| 80 uint16_t FPDFAPI_CIDFromCharCode(const FXCMAP_CMap* pMap, FX_DWORD charcode) { | 80 uint16_t FPDFAPI_CIDFromCharCode(const FXCMAP_CMap* pMap, uint32_t charcode) { |
| 81 if (charcode >> 16) { | 81 if (charcode >> 16) { |
| 82 while (1) { | 82 while (1) { |
| 83 if (pMap->m_DWordMapType == FXCMAP_CMap::Range) { | 83 if (pMap->m_DWordMapType == FXCMAP_CMap::Range) { |
| 84 uint16_t* found = | 84 uint16_t* found = |
| 85 (uint16_t*)FXSYS_bsearch(&charcode, pMap->m_pDWordMap, | 85 (uint16_t*)FXSYS_bsearch(&charcode, pMap->m_pDWordMap, |
| 86 pMap->m_DWordCount, 8, compareDWordRange); | 86 pMap->m_DWordCount, 8, compareDWordRange); |
| 87 if (found) { | 87 if (found) { |
| 88 return found[3] + (uint16_t)charcode - found[1]; | 88 return found[3] + (uint16_t)charcode - found[1]; |
| 89 } | 89 } |
| 90 } else if (pMap->m_DWordMapType == FXCMAP_CMap::Single) { | 90 } else if (pMap->m_DWordMapType == FXCMAP_CMap::Single) { |
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| 120 return found[2] + code - found[0]; | 120 return found[2] + code - found[0]; |
| 121 } | 121 } |
| 122 } | 122 } |
| 123 if (pMap->m_UseOffset == 0) { | 123 if (pMap->m_UseOffset == 0) { |
| 124 return 0; | 124 return 0; |
| 125 } | 125 } |
| 126 pMap = pMap + pMap->m_UseOffset; | 126 pMap = pMap + pMap->m_UseOffset; |
| 127 } | 127 } |
| 128 return 0; | 128 return 0; |
| 129 } | 129 } |
| 130 FX_DWORD FPDFAPI_CharCodeFromCID(const FXCMAP_CMap* pMap, uint16_t cid) { | 130 uint32_t FPDFAPI_CharCodeFromCID(const FXCMAP_CMap* pMap, uint16_t cid) { |
| 131 while (1) { | 131 while (1) { |
| 132 if (pMap->m_WordMapType == FXCMAP_CMap::Single) { | 132 if (pMap->m_WordMapType == FXCMAP_CMap::Single) { |
| 133 const uint16_t* pCur = pMap->m_pWordMap; | 133 const uint16_t* pCur = pMap->m_pWordMap; |
| 134 const uint16_t* pEnd = pMap->m_pWordMap + pMap->m_WordCount * 2; | 134 const uint16_t* pEnd = pMap->m_pWordMap + pMap->m_WordCount * 2; |
| 135 while (pCur < pEnd) { | 135 while (pCur < pEnd) { |
| 136 if (pCur[1] == cid) { | 136 if (pCur[1] == cid) { |
| 137 return pCur[0]; | 137 return pCur[0]; |
| 138 } | 138 } |
| 139 pCur += 2; | 139 pCur += 2; |
| 140 } | 140 } |
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| 152 return 0; | 152 return 0; |
| 153 } | 153 } |
| 154 pMap = pMap + pMap->m_UseOffset; | 154 pMap = pMap + pMap->m_UseOffset; |
| 155 } | 155 } |
| 156 while (1) { | 156 while (1) { |
| 157 if (pMap->m_DWordMapType == FXCMAP_CMap::Range) { | 157 if (pMap->m_DWordMapType == FXCMAP_CMap::Range) { |
| 158 const uint16_t* pCur = pMap->m_pDWordMap; | 158 const uint16_t* pCur = pMap->m_pDWordMap; |
| 159 const uint16_t* pEnd = pMap->m_pDWordMap + pMap->m_DWordCount * 4; | 159 const uint16_t* pEnd = pMap->m_pDWordMap + pMap->m_DWordCount * 4; |
| 160 while (pCur < pEnd) { | 160 while (pCur < pEnd) { |
| 161 if (cid >= pCur[3] && cid <= pCur[3] + pCur[2] - pCur[1]) { | 161 if (cid >= pCur[3] && cid <= pCur[3] + pCur[2] - pCur[1]) { |
| 162 return (((FX_DWORD)pCur[0] << 16) | pCur[1]) + cid - pCur[3]; | 162 return (((uint32_t)pCur[0] << 16) | pCur[1]) + cid - pCur[3]; |
| 163 } | 163 } |
| 164 pCur += 4; | 164 pCur += 4; |
| 165 } | 165 } |
| 166 } else if (pMap->m_DWordMapType == FXCMAP_CMap::Single) { | 166 } else if (pMap->m_DWordMapType == FXCMAP_CMap::Single) { |
| 167 const uint16_t* pCur = pMap->m_pDWordMap; | 167 const uint16_t* pCur = pMap->m_pDWordMap; |
| 168 const uint16_t* pEnd = pMap->m_pDWordMap + pMap->m_DWordCount * 3; | 168 const uint16_t* pEnd = pMap->m_pDWordMap + pMap->m_DWordCount * 3; |
| 169 while (pCur < pEnd) { | 169 while (pCur < pEnd) { |
| 170 if (pCur[2] == cid) { | 170 if (pCur[2] == cid) { |
| 171 return ((FX_DWORD)pCur[0] << 16) | pCur[1]; | 171 return ((uint32_t)pCur[0] << 16) | pCur[1]; |
| 172 } | 172 } |
| 173 pCur += 3; | 173 pCur += 3; |
| 174 } | 174 } |
| 175 } | 175 } |
| 176 if (pMap->m_UseOffset == 0) { | 176 if (pMap->m_UseOffset == 0) { |
| 177 return 0; | 177 return 0; |
| 178 } | 178 } |
| 179 pMap = pMap + pMap->m_UseOffset; | 179 pMap = pMap + pMap->m_UseOffset; |
| 180 } | 180 } |
| 181 return 0; | 181 return 0; |
| 182 } | 182 } |
| 183 | 183 |
| 184 void FPDFAPI_LoadCID2UnicodeMap(CIDSet charset, | 184 void FPDFAPI_LoadCID2UnicodeMap(CIDSet charset, |
| 185 const uint16_t*& pMap, | 185 const uint16_t*& pMap, |
| 186 FX_DWORD& count) { | 186 uint32_t& count) { |
| 187 CPDF_FontGlobals* pFontGlobals = | 187 CPDF_FontGlobals* pFontGlobals = |
| 188 CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals(); | 188 CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals(); |
| 189 pMap = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap; | 189 pMap = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap; |
| 190 count = pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count; | 190 count = pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count; |
| 191 } | 191 } |
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