AdvancedLauncher.Tools.Imaging.TargaImage.LoadTGAFooterInfo C# (CSharp) Метод

        private void LoadTGAFooterInfo(BinaryReader binReader)
        {
            if (binReader != null && binReader.BaseStream != null && binReader.BaseStream.Length > 0 && binReader.BaseStream.CanSeek == true) {
                try {
                    // set the cursor at the beginning of the signature string.
                    binReader.BaseStream.Seek((TargaConstants.FooterSignatureOffsetFromEnd * -1), SeekOrigin.End);

                    // read the signature bytes and convert to ascii string
                    string Signature = System.Text.Encoding.ASCII.GetString(binReader.ReadBytes(TargaConstants.FooterSignatureByteLength)).TrimEnd('\0');

                    // do we have a proper signature
                    if (string.Compare(Signature, TargaConstants.TargaFooterASCIISignature) == 0) {
                        // this is a NEW targa file.
                        // create the footer
                        this.eTGAFormat = TGAFormat.NEW_TGA;

                        // set cursor to beginning of footer info
                        binReader.BaseStream.Seek((TargaConstants.FooterByteLength * -1), SeekOrigin.End);

                        // read the Extension Area Offset value
                        int ExtOffset = binReader.ReadInt32();

                        // read the Developer Directory Offset value
                        int DevDirOff = binReader.ReadInt32();

                        // skip the signature we have already read it.
                        binReader.ReadBytes(TargaConstants.FooterSignatureByteLength);

                        // read the reserved character
                        string ResChar = System.Text.Encoding.ASCII.GetString(binReader.ReadBytes(TargaConstants.FooterReservedCharByteLength)).TrimEnd('\0');

                        // set all values to our TargaFooter class
                        this.objTargaFooter.SetExtensionAreaOffset(ExtOffset);
                        this.objTargaFooter.SetDeveloperDirectoryOffset(DevDirOff);
                        this.objTargaFooter.SetSignature(Signature);
                        this.objTargaFooter.SetReservedCharacter(ResChar);
                    } else {
                        // this is not an ORIGINAL targa file.
                        this.eTGAFormat = TGAFormat.ORIGINAL_TGA;
                    }
                } catch {
                    // clear all
                    this.ClearAll();
                    throw;
                }
            } else {
                this.ClearAll();
                throw new Exception(@"Error loading file, could not read file from disk.");
            }
        }