/// <summary>
/// Initializes a new instance of the <see cref="Distance"/> class
/// using the data read from persistent storage.
/// </summary>
/// <param name="editDeserializer">The mechanism for reading back content.</param>
internal Distance(EditDeserializer editDeserializer)
{
double distance = editDeserializer.ReadDouble(DataField.Value);
DistanceUnitType unitType = (DistanceUnitType)editDeserializer.ReadByte(DataField.Unit);
m_EnteredUnit = EditingController.GetUnits(unitType);
m_ObservedMetric = m_EnteredUnit.ToMetric(distance);
if (editDeserializer.IsNextField(DataField.Fixed))
{
m_IsFixed = editDeserializer.ReadBool(DataField.Fixed);
}
else
{
m_IsFixed = false;
}
if (editDeserializer.IsNextField(DataField.Flipped))
{
IsAnnotationFlipped = editDeserializer.ReadBool(DataField.Flipped);
}
else
{
IsAnnotationFlipped = false;
}
}
/// <summary>
/// Reads data that was previously written using <see cref="WriteData"/>
/// </summary>
/// <param name="editDeserializer">The mechanism for reading back content.</param>
/// <param name="font">The text style</param>
/// <param name="position">Position of the text's reference point</param>
/// <param name="height">The height of the text, in meters on the ground.</param>
/// <param name="width">The total width of the text, in meters on the ground.</param>
/// <param name="rotation">Clockwise rotation from horizontal</param>
static void ReadData(EditDeserializer editDeserializer, out IFont font, out PointGeometry position,
out float height, out float width, out IAngle rotation)
{
if (editDeserializer.IsNextField(DataField.Font))
{
int fontId = editDeserializer.ReadInt32(DataField.Font);
font = EnvironmentContainer.FindFontById(fontId);
}
else
{
font = null;
}
position = editDeserializer.ReadPointGeometry(DataField.X, DataField.Y);
width = (float)editDeserializer.ReadDouble(DataField.Width);
height = (float)editDeserializer.ReadDouble(DataField.Height);
rotation = editDeserializer.ReadRadians(DataField.Rotation);
}