private void _ValidateData()
{
int dataLen = _bytes.Length;
if (dataLen <= 0)
{
return;
}
_version = PrnVersion.V2;
while (_bt == ESC && _index < 120)
{
_next();
}
if (_index == V2_HEADER_LENGTH)
{
}
else
{
}
if (!(_bt == ESC && _next() == RESET))
{
return;
}
if (_next() == ESC && _next() == DOT_TAB_OFFSET)
{
_dotTabOffset = _next();
}
if (_next() == ESC && _next() == LENGTH_COMMAND)
{
// _labelLen = _next() + _next() * 255;
_labelLen = _next() * 256 + _next();
//ESC, LCmd, (byte) (length >> 8), (byte) length }; - label len
}
if (_next() == ESC && _next() == WIDTH_COMMAND)
{
_labelWidth = _next() * 256 + _next();
}
if (_next() == ESC)
{
_next();
if (_bt != RESOLUTION_HIGH && _bt != RESOLUTION_NORMAL)
{
throw new Exception("Invalide format");
}
_use_high_resolution = _bt == RESOLUTION_HIGH;
}
//if(_next() == ESC && _next() == FEED_LINES_COMMAND)
//{
// _feedLines = _next() * 256 + _next();
//}
//int i = 0;
//while(i< _labelWidth)
//{
// i++;
// _next();
//}
_next();
_dataOffset = _index;
}
private void _ValidateDataV3()
{
int dataLen = _bytes.Length;
if (dataLen <= 0)
{
return;
}
_version = PrnVersion.V2;
if (!(_bt == ESC && _next() == RESET))
{
return;
}
if (_next() == ESC && _next() == DOT_TAB_OFFSET)
{
_dotTabOffset = _next();
}
if (_next() == ESC)
{
_next();
if (_bt != RESOLUTION_HIGH_V3)
{
throw new Exception("Invalide format");
}
_use_high_resolution = _bt == RESOLUTION_HIGH_V3;
}
//if(_next() == ESC && _next() == FEED_LINES_COMMAND)
//{
// _feedLines = _next() * 256 + _next();
//}
//int i = 0;
//while(i< _labelWidth)
//{
// i++;
// _next();
//}
_next();
_dataOffset = _index;
}
