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Side by Side Diff: core/fxcrt/fx_arabic.cpp

Issue 1882213002: Cleanup various IFX_ text interfaces. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Created 4 years, 8 months ago
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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/fxcrt/fx_arabic.h" 7 #include "core/fxcrt/include/fx_arabic.h"
8 #include "core/fxcrt/include/fx_ucd.h" 8 #include "core/fxcrt/include/fx_ucd.h"
9 9
10 namespace { 10 namespace {
11 11
12 const FX_ARBFORMTABLE g_FX_ArabicFormTables[] = { 12 const FX_ARBFORMTABLE g_FX_ArabicFormTables[] = {
13 {0xFE81, 0xFE82, 0xFE81, 0xFE82}, {0xFE83, 0xFE84, 0xFE83, 0xFE84}, 13 {0xFE81, 0xFE82, 0xFE81, 0xFE82}, {0xFE83, 0xFE84, 0xFE83, 0xFE84},
14 {0xFE85, 0xFE86, 0xFE85, 0xFE86}, {0xFE87, 0xFE88, 0xFE87, 0xFE88}, 14 {0xFE85, 0xFE86, 0xFE85, 0xFE86}, {0xFE87, 0xFE88, 0xFE87, 0xFE88},
15 {0xFE89, 0xFE8A, 0xFE8B, 0xFE8C}, {0xFE8D, 0xFE8E, 0xFE8D, 0xFE8E}, 15 {0xFE89, 0xFE8A, 0xFE8B, 0xFE8C}, {0xFE8D, 0xFE8E, 0xFE8D, 0xFE8E},
16 {0xFE8F, 0xFE90, 0xFE91, 0xFE92}, {0xFE93, 0xFE94, 0xFE93, 0xFE94}, 16 {0xFE8F, 0xFE90, 0xFE91, 0xFE92}, {0xFE93, 0xFE94, 0xFE93, 0xFE94},
17 {0xFE95, 0xFE96, 0xFE97, 0xFE98}, {0xFE99, 0xFE9A, 0xFE9B, 0xFE9C}, 17 {0xFE95, 0xFE96, 0xFE97, 0xFE98}, {0xFE99, 0xFE9A, 0xFE9B, 0xFE9C},
(...skipping 120 matching lines...) Expand 10 before | Expand all | Expand 10 after
138 sizeof(gs_FX_ShaddaTable) / sizeof(FX_ARASHADDA); 138 sizeof(gs_FX_ShaddaTable) / sizeof(FX_ARASHADDA);
139 for (int32_t iStart = 0; iStart < s_iShaddaCount; iStart++) { 139 for (int32_t iStart = 0; iStart < s_iShaddaCount; iStart++) {
140 const FX_ARASHADDA& v = gs_FX_ShaddaTable[iStart]; 140 const FX_ARASHADDA& v = gs_FX_ShaddaTable[iStart];
141 if (v.wShadda == shadda) { 141 if (v.wShadda == shadda) {
142 return v.wIsolated; 142 return v.wIsolated;
143 } 143 }
144 } 144 }
145 return shadda; 145 return shadda;
146 } 146 }
147 147
148 IFX_ArabicChar* IFX_ArabicChar::Create() {
149 return new CFX_ArabicChar;
150 }
151 FX_BOOL CFX_ArabicChar::IsArabicChar(FX_WCHAR wch) const { 148 FX_BOOL CFX_ArabicChar::IsArabicChar(FX_WCHAR wch) const {
152 uint32_t dwRet = 149 uint32_t dwRet =
153 kTextLayoutCodeProperties[(uint16_t)wch] & FX_CHARTYPEBITSMASK; 150 kTextLayoutCodeProperties[(uint16_t)wch] & FX_CHARTYPEBITSMASK;
154 return dwRet >= FX_CHARTYPE_ArabicAlef; 151 return dwRet >= FX_CHARTYPE_ArabicAlef;
155 } 152 }
156 FX_BOOL CFX_ArabicChar::IsArabicFormChar(FX_WCHAR wch) const { 153 FX_BOOL CFX_ArabicChar::IsArabicFormChar(FX_WCHAR wch) const {
157 return (kTextLayoutCodeProperties[(uint16_t)wch] & FX_CHARTYPEBITSMASK) == 154 return (kTextLayoutCodeProperties[(uint16_t)wch] & FX_CHARTYPEBITSMASK) ==
158 FX_CHARTYPE_ArabicForm; 155 FX_CHARTYPE_ArabicForm;
159 } 156 }
160 FX_WCHAR CFX_ArabicChar::GetFormChar(FX_WCHAR wch, 157 FX_WCHAR CFX_ArabicChar::GetFormChar(FX_WCHAR wch,
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431 const int32_t gc_FX_BidiNeutralStates[][5] = { 428 const int32_t gc_FX_BidiNeutralStates[][5] = {
432 {FX_BNSrn, FX_BNSl, FX_BNSr, FX_BNSr, FX_BNSr}, 429 {FX_BNSrn, FX_BNSl, FX_BNSr, FX_BNSr, FX_BNSr},
433 {FX_BNSln, FX_BNSl, FX_BNSr, FX_BNSa, FX_BNSl}, 430 {FX_BNSln, FX_BNSl, FX_BNSr, FX_BNSa, FX_BNSl},
434 {FX_BNSrn, FX_BNSl, FX_BNSr, FX_BNSr, FX_BNSr}, 431 {FX_BNSrn, FX_BNSl, FX_BNSr, FX_BNSr, FX_BNSr},
435 {FX_BNSln, FX_BNSl, FX_BNSr, FX_BNSa, FX_BNSl}, 432 {FX_BNSln, FX_BNSl, FX_BNSr, FX_BNSa, FX_BNSl},
436 {FX_BNSna, FX_BNSl, FX_BNSr, FX_BNSa, FX_BNSl}, 433 {FX_BNSna, FX_BNSl, FX_BNSr, FX_BNSa, FX_BNSl},
437 {FX_BNSna, FX_BNSl, FX_BNSr, FX_BNSa, FX_BNSl}, 434 {FX_BNSna, FX_BNSl, FX_BNSr, FX_BNSa, FX_BNSl},
438 }; 435 };
439 const int32_t gc_FX_BidiNeutralActions[][5] = { 436 const int32_t gc_FX_BidiNeutralActions[][5] = {
440 {FX_BNAIn, 0, 0, 0, 0}, 437 {FX_BNAIn, 0, 0, 0, 0},
441 {FX_BNAIn, 0, 0, 0, FX_BCL}, 438 {FX_BNAIn, 0, 0, 0, FX_BIDICLASS_L},
442 {FX_BNAIn, FX_BNAEn, FX_BNARn, FX_BNARn, FX_BNARn}, 439 {FX_BNAIn, FX_BNAEn, FX_BNARn, FX_BNARn, FX_BNARn},
443 {FX_BNAIn, FX_BNALn, FX_BNAEn, FX_BNAEn, FX_BNALnL}, 440 {FX_BNAIn, FX_BNALn, FX_BNAEn, FX_BNAEn, FX_BNALnL},
444 {FX_BNAIn, 0, 0, 0, FX_BCL}, 441 {FX_BNAIn, 0, 0, 0, FX_BIDICLASS_L},
445 {FX_BNAIn, FX_BNAEn, FX_BNARn, FX_BNARn, FX_BNAEn}, 442 {FX_BNAIn, FX_BNAEn, FX_BNARn, FX_BNARn, FX_BNAEn},
446 }; 443 };
447 int32_t FX_BidiGetDeferredNeutrals(int32_t iAction, int32_t iLevel) { 444 int32_t FX_BidiGetDeferredNeutrals(int32_t iAction, int32_t iLevel) {
448 iAction = (iAction >> 4) & 0xF; 445 iAction = (iAction >> 4) & 0xF;
449 if (iAction == (FX_BIDINEUTRALACTION_En >> 4)) { 446 if (iAction == (FX_BIDINEUTRALACTION_En >> 4)) {
450 return FX_BidiDirection(iLevel); 447 return FX_BidiDirection(iLevel);
451 } else { 448 } else {
452 return iAction; 449 return iAction;
453 } 450 }
454 } 451 }
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961 } 958 }
962 }; 959 };
963 void FX_BidiLine(CFX_TxtCharArray& chars, int32_t iCount, int32_t iBaseLevel) { 960 void FX_BidiLine(CFX_TxtCharArray& chars, int32_t iCount, int32_t iBaseLevel) {
964 CFX_BidiLineTemplate<CFX_TxtChar> blt; 961 CFX_BidiLineTemplate<CFX_TxtChar> blt;
965 blt.FX_BidiLine(chars, iCount, iBaseLevel); 962 blt.FX_BidiLine(chars, iCount, iBaseLevel);
966 } 963 }
967 void FX_BidiLine(CFX_RTFCharArray& chars, int32_t iCount, int32_t iBaseLevel) { 964 void FX_BidiLine(CFX_RTFCharArray& chars, int32_t iCount, int32_t iBaseLevel) {
968 CFX_BidiLineTemplate<CFX_RTFChar> blt; 965 CFX_BidiLineTemplate<CFX_RTFChar> blt;
969 blt.FX_BidiLine(chars, iCount, iBaseLevel); 966 blt.FX_BidiLine(chars, iCount, iBaseLevel);
970 } 967 }
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