// 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/src/fgas/src/fgas_base.h" | |
#include "fx_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}, | |
}; | |
FX_LPCJAPCHARPROPERTYEX 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; | |
} | |
FX_LPCJAPCHARPROPERTYEX 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; | |
} |