/// <summary>
/// Adds a new style and returns it's index.
/// </summary>
/// <param name="text"></param>
/// <param name="layer"></param>
/// <returns></returns>
public ushort AddStyle(Text2D text, int layer)
{
Text2DStyle newStyle = Text2DStyle.From(text, layer);
int indexOf = this.TextStyles.IndexOf(newStyle);
if (indexOf < 0)
{ // the style is not found yet.
indexOf = this.TextStyles.Count;
this.TextStyles.Add(newStyle);
}
return((ushort)indexOf);
}
/// <summary>
/// Extracts style information.
/// </summary>
/// <param name="text"></param>
/// <param name="layer"></param>
/// <returns></returns>
public static Text2DStyle From(Text2D text, int layer)
{
Text2DStyle newStyle = new Text2DStyle();
newStyle.Color = text.Color;
newStyle.MaxZoom = text.MaxZoom;
newStyle.MinZoom = text.MinZoom;
newStyle.HaloColor = text.HaloColor;
newStyle.HaloRadius = text.HaloRadius;
newStyle.Size = text.Size;
newStyle.Layer = layer;
newStyle.Font = text.Font;
return(newStyle);
}
/// <summary>
/// Converts a basic entry into a scene object.
/// </summary>
/// <param name="style"></param>
/// <returns></returns>
internal Text2D To(Text2DStyle style)
{
Text2D text = new Text2D();
text.Color = style.Color;
text.HaloColor = style.HaloColor;
text.HaloRadius = style.HaloRadius;
text.MaxZoom = style.MaxZoom;
text.MinZoom = style.MinZoom;
text.Size = style.Size;
text.Text = this.Text;
text.X = this.X;
text.Y = this.Y;
return(text);
}
/// <summary>
/// Determines whether the the given object is equal to the current object.
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public override bool Equals(object obj)
{
if (!(obj is Polygon2DStyle))
{ // wrong type.
return(false);
}
Text2DStyle other = (obj as Text2DStyle);
return(this.Layer == other.Layer &
this.MaxZoom == other.MaxZoom &
this.MinZoom == other.MinZoom &
this.Color == other.Color &
this.Layer == other.Layer &
this.HaloColor == other.HaloColor &
this.HaloRadius == other.HaloRadius &
this.Size == other.Size);
}
/// <summary>
/// Extracts style information.
/// </summary>
/// <param name="text"></param>
/// <param name="layer"></param>
/// <returns></returns>
public static Text2DStyle From(Text2D text, int layer)
{
Text2DStyle newStyle = new Text2DStyle();
newStyle.Color = text.Color;
newStyle.MaxZoom = text.MaxZoom;
newStyle.MinZoom = text.MinZoom;
newStyle.HaloColor = text.HaloColor;
newStyle.HaloRadius = text.HaloRadius;
newStyle.Size = text.Size;
newStyle.Layer = layer;
newStyle.Font = text.Font;
return newStyle;
}
/// <summary>
/// Deserializes the actual data.
/// </summary>
/// <param name="typeModel"></param>
/// <param name="data"></param>
/// <param name="boxes"></param>
/// <returns></returns>
protected override List <Scene2DEntry> DeSerialize(RuntimeTypeModel typeModel, byte[] data,
out List <BoxF2D> boxes)
{
// decompress if needed.
Stream stream = null;
if (_compress)
{
stream = new GZipStream(new MemoryStream(data), CompressionMode.Decompress);
}
else
{ // uncompressed stream.
stream = new MemoryStream(data);
}
// create the memory stream.
var collection = typeModel.Deserialize(stream, null,
typeof(PrimitivesCollection)) as PrimitivesCollection;
if (collection == null)
{
throw new Exception("Could not deserialize primitives.");
}
// create the collection
var primitives = new List <Scene2DEntry>();
if (collection.Icons != null)
{
foreach (var primitive in collection.Icons)
{
Icon2DStyle style = _styleIndex.IconStyles[primitive.StyleId];
Icon2D icon = primitive.To(style);
primitives.Add(new Scene2DEntry()
{
Id = primitive.Id,
Layer = style.Layer,
Scene2DPrimitive = icon
});
}
}
if (collection.Images != null)
{
foreach (var primitive in collection.Images)
{
Image2DStyle style = _styleIndex.ImageStyles[primitive.StyleId];
Image2D image = primitive.To(style);
primitives.Add(new Scene2DEntry()
{
Id = primitive.Id,
Layer = style.Layer,
Scene2DPrimitive = image
});
}
}
if (collection.Lines != null)
{
foreach (var primitive in collection.Lines)
{
Line2DStyle style = _styleIndex.LineStyles[primitive.StyleId];
Line2D line = primitive.To(style);
primitives.Add(new Scene2DEntry()
{
Id = primitive.Id,
Layer = style.Layer,
Scene2DPrimitive = line
});
}
}
if (collection.Points != null)
{
foreach (var primitive in collection.Points)
{
Point2DStyle style = _styleIndex.PointStyles[primitive.StyleId];
Point2D point = primitive.To(style);
primitives.Add(new Scene2DEntry()
{
Id = primitive.Id,
Layer = style.Layer,
Scene2DPrimitive = point
});
}
}
if (collection.Polygons != null)
{
foreach (var primitive in collection.Polygons)
{
Polygon2DStyle style = _styleIndex.PolygonStyles[primitive.StyleId];
Polygon2D polygon = primitive.To(style);
primitives.Add(new Scene2DEntry()
{
Id = primitive.Id,
Layer = style.Layer,
Scene2DPrimitive = polygon
});
}
}
if (collection.Texts != null)
{
foreach (var primitive in collection.Texts)
{
Text2DStyle style = _styleIndex.TextStyles[primitive.StyleId];
Text2D text = primitive.To(style);
primitives.Add(new Scene2DEntry()
{
Id = primitive.Id,
Layer = style.Layer,
Scene2DPrimitive = text
});
}
}
if (collection.LineTexts != null)
{
foreach (var primitive in collection.LineTexts)
{
LineText2DStyle style = _styleIndex.LineTextStyles[primitive.StyleId];
LineText2D lineText = primitive.To(style);
primitives.Add(new Scene2DEntry()
{
Id = primitive.Id,
Layer = style.Layer,
Scene2DPrimitive = lineText
});
}
}
// build the boxes list.
boxes = new List <BoxF2D>();
for (int idx = 0; idx < primitives.Count; idx++)
{
boxes.Add(primitives[idx].Scene2DPrimitive.GetBox());
}
return(primitives);
}