private void ParseOptions(int width, int height, object[] options, out ISpatialReference spatialRef, out CoordEnvelope coordEnvelope, out HdrMapInfo mapInfo,
out bool isWithHdr, out int extHeaderSize)
{
mapInfo = null;
spatialRef = null;
coordEnvelope = null;
isWithHdr = true;
extHeaderSize = 0;
if (options == null || options.Length == 0)
{
return;
}
foreach (object option in options)
{
string param = option.ToString();
int k = param.IndexOf('=');
string key = param.Substring(0, k).ToUpper().Trim();
string value = param.Substring(k + 1).ToUpper().Trim();
switch (key.ToUpper())
{
case "SPATIALREF":
spatialRef = SpatialReferenceFactory.GetSpatialReferenceByProj4String(value);
break;
case "MAPINFO":
mapInfo = ParseMapInfoFromOptionValue(value);
coordEnvelope = CoordEnvelope.FromMapInfoString(value, new Size(width, height));
break;
case "WITHHDR":
isWithHdr = value.ToUpper() == "TRUE" || value == "1";
break;
case "EXTHEADERSIZE":
extHeaderSize = int.Parse(value);
break;
default:
break;
}
}
}