1 // Copyright 2014 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #include "xfa/src/fgas/src/fgas_base.h" 8 #include "fx_unicode.h" 9 void FX_TEXTLAYOUT_PieceSort(CFX_TPOArray& tpos, int32_t iStart, int32_t iEnd) { 10 FXSYS_assert(iStart > -1 && iStart < tpos.GetSize()); 11 FXSYS_assert(iEnd > -1 && iEnd < tpos.GetSize()); 12 if (iStart >= iEnd) { 13 return; 14 } 15 int32_t i = iStart, j = iEnd; 16 FX_TPO *pCur = tpos.GetPtrAt(iStart), *pSort; 17 int32_t v = pCur->pos; 18 while (i < j) { 19 while (j > i) { 20 pSort = tpos.GetPtrAt(j); 21 if (pSort->pos < v) { 22 FX_TPO t = *pSort; 23 *pSort = *pCur; 24 *pCur = t; 25 pCur = pSort; 26 break; 27 } 28 j--; 29 } 30 while (i < j) { 31 pSort = tpos.GetPtrAt(i); 32 if (pSort->pos > v) { 33 FX_TPO t = *pSort; 34 *pSort = *pCur; 35 *pCur = t; 36 pCur = pSort; 37 break; 38 } 39 i++; 40 } 41 } 42 i--, j++; 43 if (iStart < i) { 44 FX_TEXTLAYOUT_PieceSort(tpos, iStart, i); 45 } 46 if (j < iEnd) { 47 FX_TEXTLAYOUT_PieceSort(tpos, j, iEnd); 48 } 49 } 50 static const FX_JAPCHARPROPERTYEX gs_FX_JapCharPropertysEx[] = { 51 {0x3001, 0x13}, {0x3002, 0x13}, {0x3041, 0x23}, {0x3043, 0x23}, 52 {0x3045, 0x23}, {0x3047, 0x23}, {0x3049, 0x23}, {0x3063, 0x23}, 53 {0x3083, 0x23}, {0x3085, 0x23}, {0x3087, 0x23}, {0x308E, 0x23}, 54 {0x3095, 0x23}, {0x3096, 0x23}, {0x30A1, 0x23}, {0x30A3, 0x23}, 55 {0x30A5, 0x23}, {0x30A7, 0x23}, {0x30A9, 0x23}, {0x30C3, 0x23}, 56 {0x30E3, 0x23}, {0x30E5, 0x23}, {0x30E7, 0x23}, {0x30EE, 0x23}, 57 {0x30F5, 0x23}, {0x30F6, 0x23}, {0x30FB, 0x22}, {0x31F0, 0x23}, 58 {0x31F1, 0x23}, {0x31F2, 0x23}, {0x31F3, 0x23}, {0x31F4, 0x23}, 59 {0x31F5, 0x23}, {0x31F6, 0x23}, {0x31F7, 0x23}, {0x31F8, 0x23}, 60 {0x31F9, 0x23}, {0x31FA, 0x23}, {0x31FB, 0x23}, {0x31FC, 0x23}, 61 {0x31FD, 0x23}, {0x31FE, 0x23}, {0x31FF, 0x23}, 62 }; 63 FX_LPCJAPCHARPROPERTYEX FX_GetJapCharPropertyEx(FX_WCHAR wch) { 64 int32_t iStart = 0; 65 int32_t iEnd = 66 sizeof(gs_FX_JapCharPropertysEx) / sizeof(FX_JAPCHARPROPERTYEX); 67 while (iStart <= iEnd) { 68 int32_t iMid = (iStart + iEnd) / 2; 69 FX_WCHAR wJapChar = gs_FX_JapCharPropertysEx[iMid].wChar; 70 if (wch == wJapChar) { 71 return gs_FX_JapCharPropertysEx + iMid; 72 } else if (wch < wJapChar) { 73 iEnd = iMid - 1; 74 } else { 75 iStart = iMid + 1; 76 } 77 } 78 return NULL; 79 } 80 FX_BOOL FX_AdjustJapCharDisplayPos(FX_WCHAR wch, 81 FX_BOOL bMBCSCode, 82 IFX_Font* pFont, 83 FX_FLOAT fFontSize, 84 FX_BOOL bVertical, 85 CFX_PointF& ptOffset) { 86 if (pFont == NULL || !bVertical) { 87 return FALSE; 88 } 89 if (wch < 0x3001 || wch > 0x31FF) { 90 return FALSE; 91 } 92 FX_LPCJAPCHARPROPERTYEX pJapChar = FX_GetJapCharPropertyEx(wch); 93 if (pJapChar == NULL) { 94 return FALSE; 95 } 96 CFX_Rect rtBBox; 97 rtBBox.Reset(); 98 if (pFont->GetCharBBox(wch, rtBBox, bMBCSCode)) { 99 switch (pJapChar->uAlign & 0xF0) { 100 case FX_JAPCHARPROPERTYEX_Top: 101 ptOffset.y = fFontSize * (1000 - rtBBox.height) / 1200.0f; 102 break; 103 case FX_JAPCHARPROPERTYEX_Middle: 104 ptOffset.y = fFontSize * (1000 - rtBBox.height) / 6000.0f; 105 break; 106 } 107 switch (pJapChar->uAlign & 0x0F) { 108 case FX_JAPCHARPROPERTYEX_Center: 109 ptOffset.x = fFontSize * (600 - rtBBox.right()) / 1000.0f; 110 break; 111 case FX_JAPCHARPROPERTYEX_Right: 112 ptOffset.x = fFontSize * (950 - rtBBox.right()) / 1000.0f; 113 break; 114 } 115 } 116 return TRUE; 117 } 118