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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/layout/fgas_unicode.h" | |
8 | |
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 const FX_JAPCHARPROPERTYEX* 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 const FX_JAPCHARPROPERTYEX* 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 } | |
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