protected override byte[] GetContent()
{
var data = Data;
foreach (var encoder in Encoders)
{
data = encoder.Encode(data);
}
var sb = new StringBuilder();
sb.Append("<</Type /XObject\r\n");
sb.Append(" /Subtype /Image\r\n");
sb.Append($" /Width {Width}\r\n");
sb.Append($" /Height {Height}\r\n");
sb.Append($" /ColorSpace /{ColorSpace.ToPatternName()}\r\n");
sb.Append($" /BitsPerComponent {BitsPerComponent}\r\n");
sb.Append($" /Length {data.Length}");
if (Encoders.Count > 0)
{
sb.Append("\r\n");
sb.Append($" /Filter {Encoders.AsEncoderList()}");
}
sb.Append(">>");
var bytes = new List <byte>();
bytes.AddRange(sb.ToString().GetNewLineBytes());
bytes.AddRange("stream".GetNewLineBytes());
bytes.AddRange(data);
if (data.Length >= 2 &&
data[data.Length - 2] != '\r' &&
data[data.Length - 1] != '\n')
{
// add newline if not already present
bytes.AddRange("\r\n".GetBytes());
}
bytes.AddRange("endstream".GetNewLineBytes());
return(bytes.ToArray());
}