void CXTPTabManager::OnScrollHeader(BOOL bRight)
{
if (bRight)
{
SetHeaderOffset(GetHeaderOffset() - m_nScrollDelta);
}
else
{
SetHeaderOffset(GetHeaderOffset() + m_nScrollDelta);
}
}
bool CPDF_DataAvail::IsLinearizedFile(uint8_t* pData, uint32_t dwLen) {
if (m_pLinearized)
return true;
ScopedFileStream file(FX_CreateMemoryStream(pData, (size_t)dwLen, false));
int32_t offset = GetHeaderOffset(file.get());
if (offset == -1) {
m_docStatus = PDF_DATAAVAIL_ERROR;
return false;
}
m_dwHeaderOffset = offset;
m_syntaxParser.InitParser(file.get(), offset);
m_syntaxParser.RestorePos(m_syntaxParser.m_HeaderOffset + 9);
bool bNumber;
CFX_ByteString wordObjNum = m_syntaxParser.GetNextWord(&bNumber);
if (!bNumber)
return false;
uint32_t objnum = FXSYS_atoui(wordObjNum.c_str());
m_pLinearized = CPDF_LinearizedHeader::CreateForObject(
ParseIndirectObjectAt(m_syntaxParser.m_HeaderOffset + 9, objnum));
if (!m_pLinearized ||
m_pLinearized->GetFileSize() != m_pFileRead->GetSize()) {
m_pLinearized.reset();
return false;
}
return true;
}
