uint8 CBMPFormat::detectBMPVersion(void)
{
CDataReader *pDataReader = CDataReader::getInstance();
uint8 uiBMPVersion = 0;
pDataReader->setPeek(true);
string strHeader = pDataReader->readString(2);
if (strHeader.c_str()[0] == '\0' && strHeader.c_str()[1] == '\0')
{
// BMP version 1.x
uiBMPVersion = 1;
}
else if (strHeader.c_str()[0] == 'B' && strHeader.c_str()[1] == 'M')
{
// BMP version 2.x, 3.x or 4.x
pDataReader->setSeek(12);
switch (pDataReader->readUint32())
{
case 12: // BMP version 2.x
uiBMPVersion = 2;
break;
case 40: // BMP version 3.x
uiBMPVersion = 3;
break;
case 108: // BMP version 4.x
uiBMPVersion = 4;
}
}
pDataReader->setPeek(false);
pDataReader->setSeek(0);
return uiBMPVersion;
}
eDATPathFormat CDATPathFormat::detectPathsFormat(void)
{
CDataReader *pDataReader = CDataReader::getInstance();
eDATPathFormat eDATPathFormatValue;
uint32 uiPreviousSeek = pDataReader->getSeek();
pDataReader->setPeek(true);
if (CStringUtility::unpackUint32(pDataReader->readString(4), false) == 0xFFFFFFFF && pDataReader->readString(4) == "FM92")
{
eDATPathFormatValue = DAT_PATH_FASTMAN92;
}
else
{
eDATPathFormatValue = DAT_PATH_DEFAULT;
}
pDataReader->setSeek(uiPreviousSeek);
pDataReader->setPeek(false);
return eDATPathFormatValue;
}
