diff options
Diffstat (limited to 'core/src/fpdfapi/fpdf_cmaps/fpdf_cmaps.cpp')
-rw-r--r-- | core/src/fpdfapi/fpdf_cmaps/fpdf_cmaps.cpp | 366 |
1 files changed, 183 insertions, 183 deletions
diff --git a/core/src/fpdfapi/fpdf_cmaps/fpdf_cmaps.cpp b/core/src/fpdfapi/fpdf_cmaps/fpdf_cmaps.cpp index 9ab324b666..afa5131f66 100644 --- a/core/src/fpdfapi/fpdf_cmaps/fpdf_cmaps.cpp +++ b/core/src/fpdfapi/fpdf_cmaps/fpdf_cmaps.cpp @@ -1,183 +1,183 @@ -// 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 "../../../include/fpdfapi/fpdf_resource.h"
-#include "../../../include/fpdfapi/fpdf_module.h"
-#include "../fpdf_font/font_int.h"
-#include "cmap_int.h"
-void FPDFAPI_FindEmbeddedCMap(const char* name, int charset, int coding, const FXCMAP_CMap*& pMap)
-{
- pMap = NULL;
- CPDF_FontGlobals* pFontGlobals = CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals();
- const FXCMAP_CMap* pCMaps = pFontGlobals->m_EmbeddedCharsets[charset].m_pMapList;
- int nCMaps = pFontGlobals->m_EmbeddedCharsets[charset].m_Count;
- for (int i = 0; i < nCMaps; i ++) {
- if (FXSYS_strcmp(name, pCMaps[i].m_Name)) {
- continue;
- }
- pMap = &pCMaps[i];
- break;
- }
-}
-extern "C" {
- static int compareWord(const void* p1, const void* p2)
- {
- return (*(FX_WORD*)p1) - (*(FX_WORD*)p2);
- }
-};
-extern "C" {
- static int compareWordRange(const void* key, const void* element)
- {
- if (*(FX_WORD*)key < * (FX_WORD*)element) {
- return -1;
- }
- if (*(FX_WORD*)key > ((FX_WORD*)element)[1]) {
- return 1;
- }
- return 0;
- }
-};
-extern "C" {
- static int compareDWordRange(const void* p1, const void* p2)
- {
- FX_DWORD key = *(FX_DWORD*)p1;
- FX_WORD hiword = (FX_WORD)(key >> 16);
- FX_WORD* element = (FX_WORD*)p2;
- if (hiword < element[0]) {
- return -1;
- }
- if (hiword > element[0]) {
- return 1;
- }
- FX_WORD loword = (FX_WORD)key;
- if (loword < element[1]) {
- return -1;
- }
- if (loword > element[2]) {
- return 1;
- }
- return 0;
- }
-};
-extern "C" {
- static int compareDWordSingle(const void* p1, const void* p2)
- {
- FX_DWORD key = *(FX_DWORD*)p1;
- FX_DWORD value = ((*(FX_WORD*)p2) << 16) | ((FX_WORD*)p2)[1];
- if (key < value) {
- return -1;
- }
- if (key > value) {
- return 1;
- }
- return 0;
- }
-};
-FX_WORD FPDFAPI_CIDFromCharCode(const FXCMAP_CMap* pMap, FX_DWORD charcode)
-{
- if (charcode >> 16) {
- while (1) {
- if (pMap->m_DWordMapType == FXCMAP_CMap::Range) {
- FX_WORD* found = (FX_WORD*)FXSYS_bsearch(&charcode, pMap->m_pDWordMap, pMap->m_DWordCount, 8, compareDWordRange);
- if (found) {
- return found[3] + (FX_WORD)charcode - found[1];
- }
- } else if (pMap->m_DWordMapType == FXCMAP_CMap::Single) {
- FX_WORD* found = (FX_WORD*)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;
- }
- FX_WORD code = (FX_WORD)charcode;
- while (1) {
- if (pMap->m_pWordMap == NULL) {
- return 0;
- }
- if (pMap->m_WordMapType == FXCMAP_CMap::Single) {
- FX_WORD* found = (FX_WORD*)FXSYS_bsearch(&code, pMap->m_pWordMap, pMap->m_WordCount, 4, compareWord);
- if (found) {
- return found[1];
- }
- } else if (pMap->m_WordMapType == FXCMAP_CMap::Range) {
- FX_WORD* found = (FX_WORD*)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;
-}
-FX_DWORD FPDFAPI_CharCodeFromCID(const FXCMAP_CMap* pMap, FX_WORD cid)
-{
- while (1) {
- if (pMap->m_WordMapType == FXCMAP_CMap::Single) {
- const FX_WORD *pCur = pMap->m_pWordMap;
- const FX_WORD *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 FX_WORD *pCur = pMap->m_pWordMap;
- const FX_WORD *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;
- }
- while (1) {
- if (pMap->m_DWordMapType == FXCMAP_CMap::Range) {
- const FX_WORD *pCur = pMap->m_pDWordMap;
- const FX_WORD *pEnd = pMap->m_pDWordMap + pMap->m_DWordCount * 4;
- while (pCur < pEnd) {
- if (cid >= pCur[3] && cid <= pCur[3] + pCur[2] - pCur[1]) {
- return (((FX_DWORD)pCur[0] << 16) | pCur[1]) + cid - pCur[3];
- }
- pCur += 4;
- }
- } else if (pMap->m_DWordMapType == FXCMAP_CMap::Single) {
- const FX_WORD *pCur = pMap->m_pDWordMap;
- const FX_WORD *pEnd = pMap->m_pDWordMap + pMap->m_DWordCount * 3;
- while (pCur < pEnd) {
- if (pCur[2] == cid) {
- return ((FX_DWORD)pCur[0] << 16) | pCur[1];
- }
- pCur += 3;
- }
- }
- if (pMap->m_UseOffset == 0) {
- return 0;
- }
- pMap = pMap + pMap->m_UseOffset;
- }
- return 0;
-}
-void FPDFAPI_LoadCID2UnicodeMap(int charset, const FX_WORD*& pMap, FX_DWORD& count)
-{
- CPDF_FontGlobals* pFontGlobals = CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals();
- pMap = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap;
- count = pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count;
-}
+// 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 "../../../include/fpdfapi/fpdf_resource.h" +#include "../../../include/fpdfapi/fpdf_module.h" +#include "../fpdf_font/font_int.h" +#include "cmap_int.h" +void FPDFAPI_FindEmbeddedCMap(const char* name, int charset, int coding, const FXCMAP_CMap*& pMap) +{ + pMap = NULL; + CPDF_FontGlobals* pFontGlobals = CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals(); + const FXCMAP_CMap* pCMaps = pFontGlobals->m_EmbeddedCharsets[charset].m_pMapList; + int nCMaps = pFontGlobals->m_EmbeddedCharsets[charset].m_Count; + for (int i = 0; i < nCMaps; i ++) { + if (FXSYS_strcmp(name, pCMaps[i].m_Name)) { + continue; + } + pMap = &pCMaps[i]; + break; + } +} +extern "C" { + static int compareWord(const void* p1, const void* p2) + { + return (*(FX_WORD*)p1) - (*(FX_WORD*)p2); + } +}; +extern "C" { + static int compareWordRange(const void* key, const void* element) + { + if (*(FX_WORD*)key < * (FX_WORD*)element) { + return -1; + } + if (*(FX_WORD*)key > ((FX_WORD*)element)[1]) { + return 1; + } + return 0; + } +}; +extern "C" { + static int compareDWordRange(const void* p1, const void* p2) + { + FX_DWORD key = *(FX_DWORD*)p1; + FX_WORD hiword = (FX_WORD)(key >> 16); + FX_WORD* element = (FX_WORD*)p2; + if (hiword < element[0]) { + return -1; + } + if (hiword > element[0]) { + return 1; + } + FX_WORD loword = (FX_WORD)key; + if (loword < element[1]) { + return -1; + } + if (loword > element[2]) { + return 1; + } + return 0; + } +}; +extern "C" { + static int compareDWordSingle(const void* p1, const void* p2) + { + FX_DWORD key = *(FX_DWORD*)p1; + FX_DWORD value = ((*(FX_WORD*)p2) << 16) | ((FX_WORD*)p2)[1]; + if (key < value) { + return -1; + } + if (key > value) { + return 1; + } + return 0; + } +}; +FX_WORD FPDFAPI_CIDFromCharCode(const FXCMAP_CMap* pMap, FX_DWORD charcode) +{ + if (charcode >> 16) { + while (1) { + if (pMap->m_DWordMapType == FXCMAP_CMap::Range) { + FX_WORD* found = (FX_WORD*)FXSYS_bsearch(&charcode, pMap->m_pDWordMap, pMap->m_DWordCount, 8, compareDWordRange); + if (found) { + return found[3] + (FX_WORD)charcode - found[1]; + } + } else if (pMap->m_DWordMapType == FXCMAP_CMap::Single) { + FX_WORD* found = (FX_WORD*)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; + } + FX_WORD code = (FX_WORD)charcode; + while (1) { + if (pMap->m_pWordMap == NULL) { + return 0; + } + if (pMap->m_WordMapType == FXCMAP_CMap::Single) { + FX_WORD* found = (FX_WORD*)FXSYS_bsearch(&code, pMap->m_pWordMap, pMap->m_WordCount, 4, compareWord); + if (found) { + return found[1]; + } + } else if (pMap->m_WordMapType == FXCMAP_CMap::Range) { + FX_WORD* found = (FX_WORD*)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; +} +FX_DWORD FPDFAPI_CharCodeFromCID(const FXCMAP_CMap* pMap, FX_WORD cid) +{ + while (1) { + if (pMap->m_WordMapType == FXCMAP_CMap::Single) { + const FX_WORD *pCur = pMap->m_pWordMap; + const FX_WORD *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 FX_WORD *pCur = pMap->m_pWordMap; + const FX_WORD *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; + } + while (1) { + if (pMap->m_DWordMapType == FXCMAP_CMap::Range) { + const FX_WORD *pCur = pMap->m_pDWordMap; + const FX_WORD *pEnd = pMap->m_pDWordMap + pMap->m_DWordCount * 4; + while (pCur < pEnd) { + if (cid >= pCur[3] && cid <= pCur[3] + pCur[2] - pCur[1]) { + return (((FX_DWORD)pCur[0] << 16) | pCur[1]) + cid - pCur[3]; + } + pCur += 4; + } + } else if (pMap->m_DWordMapType == FXCMAP_CMap::Single) { + const FX_WORD *pCur = pMap->m_pDWordMap; + const FX_WORD *pEnd = pMap->m_pDWordMap + pMap->m_DWordCount * 3; + while (pCur < pEnd) { + if (pCur[2] == cid) { + return ((FX_DWORD)pCur[0] << 16) | pCur[1]; + } + pCur += 3; + } + } + if (pMap->m_UseOffset == 0) { + return 0; + } + pMap = pMap + pMap->m_UseOffset; + } + return 0; +} +void FPDFAPI_LoadCID2UnicodeMap(int charset, const FX_WORD*& pMap, FX_DWORD& count) +{ + CPDF_FontGlobals* pFontGlobals = CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals(); + pMap = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap; + count = pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count; +} |