| // 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 "xfa/fgas/layout/fgas_unicode.h" |
| |
| void FX_TEXTLAYOUT_PieceSort(CFX_TPOArray& tpos, int32_t iStart, int32_t iEnd) { |
| FXSYS_assert(iStart > -1 && iStart < tpos.GetSize()); |
| FXSYS_assert(iEnd > -1 && iEnd < tpos.GetSize()); |
| if (iStart >= iEnd) { |
| return; |
| } |
| int32_t i = iStart, j = iEnd; |
| FX_TPO *pCur = tpos.GetPtrAt(iStart), *pSort; |
| int32_t v = pCur->pos; |
| while (i < j) { |
| while (j > i) { |
| pSort = tpos.GetPtrAt(j); |
| if (pSort->pos < v) { |
| FX_TPO t = *pSort; |
| *pSort = *pCur; |
| *pCur = t; |
| pCur = pSort; |
| break; |
| } |
| j--; |
| } |
| while (i < j) { |
| pSort = tpos.GetPtrAt(i); |
| if (pSort->pos > v) { |
| FX_TPO t = *pSort; |
| *pSort = *pCur; |
| *pCur = t; |
| pCur = pSort; |
| break; |
| } |
| i++; |
| } |
| } |
| i--, j++; |
| if (iStart < i) { |
| FX_TEXTLAYOUT_PieceSort(tpos, iStart, i); |
| } |
| if (j < iEnd) { |
| FX_TEXTLAYOUT_PieceSort(tpos, j, iEnd); |
| } |
| } |
| static const FX_JAPCHARPROPERTYEX gs_FX_JapCharPropertysEx[] = { |
| {0x3001, 0x13}, {0x3002, 0x13}, {0x3041, 0x23}, {0x3043, 0x23}, |
| {0x3045, 0x23}, {0x3047, 0x23}, {0x3049, 0x23}, {0x3063, 0x23}, |
| {0x3083, 0x23}, {0x3085, 0x23}, {0x3087, 0x23}, {0x308E, 0x23}, |
| {0x3095, 0x23}, {0x3096, 0x23}, {0x30A1, 0x23}, {0x30A3, 0x23}, |
| {0x30A5, 0x23}, {0x30A7, 0x23}, {0x30A9, 0x23}, {0x30C3, 0x23}, |
| {0x30E3, 0x23}, {0x30E5, 0x23}, {0x30E7, 0x23}, {0x30EE, 0x23}, |
| {0x30F5, 0x23}, {0x30F6, 0x23}, {0x30FB, 0x22}, {0x31F0, 0x23}, |
| {0x31F1, 0x23}, {0x31F2, 0x23}, {0x31F3, 0x23}, {0x31F4, 0x23}, |
| {0x31F5, 0x23}, {0x31F6, 0x23}, {0x31F7, 0x23}, {0x31F8, 0x23}, |
| {0x31F9, 0x23}, {0x31FA, 0x23}, {0x31FB, 0x23}, {0x31FC, 0x23}, |
| {0x31FD, 0x23}, {0x31FE, 0x23}, {0x31FF, 0x23}, |
| }; |
| const FX_JAPCHARPROPERTYEX* FX_GetJapCharPropertyEx(FX_WCHAR wch) { |
| int32_t iStart = 0; |
| int32_t iEnd = |
| sizeof(gs_FX_JapCharPropertysEx) / sizeof(FX_JAPCHARPROPERTYEX); |
| while (iStart <= iEnd) { |
| int32_t iMid = (iStart + iEnd) / 2; |
| FX_WCHAR wJapChar = gs_FX_JapCharPropertysEx[iMid].wChar; |
| if (wch == wJapChar) { |
| return gs_FX_JapCharPropertysEx + iMid; |
| } else if (wch < wJapChar) { |
| iEnd = iMid - 1; |
| } else { |
| iStart = iMid + 1; |
| } |
| } |
| return NULL; |
| } |
| FX_BOOL FX_AdjustJapCharDisplayPos(FX_WCHAR wch, |
| FX_BOOL bMBCSCode, |
| IFX_Font* pFont, |
| FX_FLOAT fFontSize, |
| FX_BOOL bVertical, |
| CFX_PointF& ptOffset) { |
| if (pFont == NULL || !bVertical) { |
| return FALSE; |
| } |
| if (wch < 0x3001 || wch > 0x31FF) { |
| return FALSE; |
| } |
| const FX_JAPCHARPROPERTYEX* pJapChar = FX_GetJapCharPropertyEx(wch); |
| if (pJapChar == NULL) { |
| return FALSE; |
| } |
| CFX_Rect rtBBox; |
| rtBBox.Reset(); |
| if (pFont->GetCharBBox(wch, rtBBox, bMBCSCode)) { |
| switch (pJapChar->uAlign & 0xF0) { |
| case FX_JAPCHARPROPERTYEX_Top: |
| ptOffset.y = fFontSize * (1000 - rtBBox.height) / 1200.0f; |
| break; |
| case FX_JAPCHARPROPERTYEX_Middle: |
| ptOffset.y = fFontSize * (1000 - rtBBox.height) / 6000.0f; |
| break; |
| } |
| switch (pJapChar->uAlign & 0x0F) { |
| case FX_JAPCHARPROPERTYEX_Center: |
| ptOffset.x = fFontSize * (600 - rtBBox.right()) / 1000.0f; |
| break; |
| case FX_JAPCHARPROPERTYEX_Right: |
| ptOffset.x = fFontSize * (950 - rtBBox.right()) / 1000.0f; |
| break; |
| } |
| } |
| return TRUE; |
| } |