void CPDF_TextPage::AddCharInfoByRLDirection(wchar_t wChar,
const PAGECHAR_INFO& info) {
PAGECHAR_INFO info2 = info;
if (IsControlChar(info2)) {
info2.m_Index = -1;
m_CharList.push_back(info2);
return;
}
info2.m_Index = m_TextBuf.GetLength();
wChar = FX_GetMirrorChar(wChar);
size_t nCount = Unicode_GetNormalization(wChar, nullptr);
if (nCount == 0) {
info2.m_Unicode = wChar;
m_TextBuf.AppendChar(info2.m_Unicode);
m_CharList.push_back(info2);
return;
}
std::unique_ptr<wchar_t, FxFreeDeleter> pDst(FX_Alloc(wchar_t, nCount));
Unicode_GetNormalization(wChar, pDst.get());
for (size_t nIndex = 0; nIndex < nCount; ++nIndex) {
info2.m_Unicode = pDst.get()[nIndex];
info2.m_Flag = FPDFTEXT_CHAR_PIECE;
m_TextBuf.AppendChar(info2.m_Unicode);
m_CharList.push_back(info2);
}
}
void NormalizeCompositeChar(FX_WCHAR wChar, CFX_WideString& sDest)
{
wChar = FX_GetMirrorChar(wChar, TRUE, FALSE);
FX_LPWSTR pDst = NULL;
FX_STRSIZE nCount = FX_Unicode_GetNormalization(wChar, pDst);
if (nCount < 1 ) {
sDest += wChar;
return;
}
pDst = new FX_WCHAR[nCount];
FX_Unicode_GetNormalization(wChar, pDst);
for (int nIndex = 0; nIndex < nCount; nIndex++) {
sDest += pDst[nIndex];
}
delete[] pDst;
}
