/// <summary>
/// Reads data that was previously written using <see cref="WriteData"/>
/// </summary>
/// <param name="editDeserializer">The mechanism for reading back content.</param>
/// <param name="isTopological">Are we dealing with a polygon label</param>
/// <param name="polPos">The label reference point (usually applies onlt to polygon labels). Null if it's
/// identical to the position recorded via the geometry object.</param>
/// <param name="geom">The geometry for the text.</param>
static void ReadData(EditDeserializer editDeserializer, out bool isTopological, out PointGeometry polPos, out TextGeometry geom)
{
isTopological = editDeserializer.ReadBool(DataField.Topological);
if (editDeserializer.IsNextField(DataField.PolygonX))
{
polPos = editDeserializer.ReadPointGeometry(DataField.PolygonX, DataField.PolygonY);
}
else
{
polPos = null;
}
geom = editDeserializer.ReadPersistent <TextGeometry>(DataField.Type);
}
/// <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);
}
