public static BaseSymbol ReadSymbol(FileStream fs, int symFilePosition, ColorInfo[] filecolors)
{
fs.Seek(symFilePosition, SeekOrigin.Begin);
int dataSize = FileIOHelpers.ReadInt16FromStream(fs);
int symbolNumber = FileIOHelpers.ReadInt16FromStream(fs);
int objectType = FileIOHelpers.ReadInt16FromStream(fs);
byte symType = FileIOHelpers.ReadBytesFromStream(fs, 1)[0];
BaseSymbol bs = GetSymbolFromType(objectType, symType);
bs.SymbolNumber = symbolNumber;
byte flags = FileIOHelpers.ReadBytesFromStream(fs, 1)[0];
bs.Extent = FileIOHelpers.ReadInt16FromStream(fs);
bool selected = FileIOHelpers.ReadBoolFromStream(fs);
byte status = FileIOHelpers.ReadBytesFromStream(fs, 1)[0];
int res2 = FileIOHelpers.ReadInt16FromStream(fs);
int res3 = FileIOHelpers.ReadInt16FromStream(fs);
long filePos = FileIOHelpers.ReadInt32FromStream(fs);
byte[] colors = FileIOHelpers.ReadBytesFromStream(fs, 32);
bs.Description = FileIOHelpers.ReadDelphiStringFromStream(fs,31);
bs.Icon = FileIOHelpers.ReadBytesFromStream(fs, 264);
if (bs is PointSymbol)
readPointSymbol(bs, fs);
else if (bs is LineSymbol)
readLineSymbol(bs, fs, filecolors);
return bs;
}
public static List<BaseSymbol> ReadSymbols(FileStream fs, List<int> symIndexes, ColorInfo[] colors)
{
List<BaseSymbol> symbols = new List<BaseSymbol>();
foreach (var idx in symIndexes)
{
var bs = ReadSymbol(fs, idx, colors);
symbols.Add(bs);
}
return symbols;
}
private static void readLineSymbol(BaseSymbol bs, FileStream fs, ColorInfo[] colors)
{
int col = FileIOHelpers.ReadInt16FromStream(fs);
(bs as LineSymbol).LineWidth = FileIOHelpers.ReadInt16FromStream(fs);
if (colors.Where(x => x.ColorNum == col).Count() == 0)
throw new ApplicationException("cant find color " + col + " for symbol: " + bs.Description + " [" + bs.SymbolNumber + "]");
(bs as LineSymbol).LineColor = colors.Where(x => x.ColorNum == col).Select(x=>x.Color).First();
}
