/// <summary>
/// Sserializes the provided object into a StrinBuilder object
/// </summary>
/// <param name="value">Object to be serialized</param>
/// <param name="sb">The StringBuilder object where the serialized data will be written</param>
/// <returns>true if value was serialized successfully; otherwise, false</returns>
protected bool Serialize(HumanFace value, StringBuilder sb)
{
if (value == null)
{
sb.Append("null");
return(true);
}
// 1. Write open brace '{'
// 2. Write white space
sb.Append("{ ");
// 3. Write quoted name followed by one space
sb.Append("\\\"");
sb.Append(value.Name);
sb.Append("\\\" ");
// 4. Write Pan
sb.Append(value.Pan.ToString("G8", System.Globalization.CultureInfo.InvariantCulture.NumberFormat));
// 5. Write space
sb.Append(' ');
// 6. Write Tilt
sb.Append(value.Tilt.ToString("G8", System.Globalization.CultureInfo.InvariantCulture.NumberFormat));
// 7. Write space
sb.Append(' ');
// 8. Write confidence
sb.Append(value.Confidence.ToString("G8", System.Globalization.CultureInfo.InvariantCulture.NumberFormat));
// 9. Write white space followed by closing brace '}'
sb.Append(" }");
return(true);
}
/// <summary>
/// Deserializes the provided object from a string
/// </summary>
/// <param name="serializedData">String containing the serialized object</param>
/// <param name="cc">Read header for the serializedData string</param>
/// <param name="value">When this method returns contains the value stored in serializedData the deserialization succeeded, or zero if the deserialization failed. The deserialization fails if the serializedData parameter is a null reference (Nothing in Visual Basic) or its content could not be parsed. This parameter is passed uninitialized</param>
/// <returns>true if serializedData was deserialized successfully; otherwise, false</returns>
protected bool Deserialize(string serializedData, ref int cc, out HumanFace value)
{
int start;
int end;
string name;
double pan;
double tilt;
double confidence;
if (String.IsNullOrEmpty(serializedData) || (String.Compare("null", serializedData.Substring(cc, 4), true) == 0))
{
value = null;
cc += 4;
return(false);
}
value = null;
if (serializedData.Length < 15)
{
return(false);
}
// 1. Read open brace '{'
if (serializedData[cc++] != '{')
{
return(false);
}
// 2. Read white space
if (serializedData[cc++] != ' ')
{
return(false);
}
// 3. Read name
// 3.1. Read escaped double quotes
if (!Scanner.ReadChar('\\', serializedData, ref cc) || !Scanner.ReadChar('"', serializedData, ref cc))
{
return(false);
}
// 3.2. Read Name
start = cc;
while (cc < serializedData.Length)
{
// 3.3. Read escaped double quotes
if (Scanner.ReadChar('\\', serializedData, ref cc) && Scanner.ReadChar('"', serializedData, ref cc))
{
break;
}
}
// 3.4. Extract person name
end = cc - 2;
if ((end - start) < 1)
{
return(false);
}
name = serializedData.Substring(start, end - start);
// 4. Read white space
if (!Scanner.ReadChar(' ', serializedData, ref cc))
{
return(false);
}
// 5. Read Pan
if (!Scanner.XtractDouble(serializedData, ref cc, out pan) ||
(pan < HumanFace.MinimumPan) || (pan > HumanFace.MaximumPan))
{
return(false);
}
// 6. Read white space
if (!Scanner.ReadChar(' ', serializedData, ref cc))
{
return(false);
}
// 7. Read Tilt
if (!Scanner.XtractDouble(serializedData, ref cc, out tilt) ||
(tilt < HumanFace.MinimumTilt) || (tilt > HumanFace.MaximumTilt))
{
return(false);
}
// 8. Read white space
if (!Scanner.ReadChar(' ', serializedData, ref cc))
{
return(false);
}
// 9. Read confidence
if (!Scanner.XtractDouble(serializedData, ref cc, out confidence) ||
(confidence < 0) || (confidence > 1))
{
return(false);
}
// A. Read white space
if (!Scanner.ReadChar(' ', serializedData, ref cc))
{
return(false);
}
// B. Read closing brace '}'
if (!Scanner.ReadChar('}', serializedData, ref cc))
{
return(false);
}
try
{
value = new HumanFace(name, pan, tilt, confidence);
}
catch { value = null; return(false); }
return(true);
}
