/// <summary>
/// Sets the line style.
/// </summary>
/// <param name="lineStyle">The line style.</param>
public void SetLineStyle(LineStyle lineStyle)
{
if (lineStyle == null) throw new ArgumentNullException(nameof(lineStyle));
// ReSharper disable once CompareOfFloatsByEqualityOperator
if (_lineStyle != null && lineStyle.Style == LineStyle && lineStyle.Width == LineWidth) return;
if (_resourceManager == null)
throw new InvalidOperationException("The ResourceManager must be set before setting the style.");
if (_lineStyle != null)
_resourceManager.Release(_lineStyle);
_linePen = _resourceManager.Get<LineStyle, Pen>(lineStyle);
_lineStyle = lineStyle;
}
public State([NotNull] GDIGraphics graphics)
{
Debug.Assert(graphics != null, "graphics != null");
Debug.Assert(graphics._lineStyle != null, "_style != null");
FillStyle = graphics.FillStyle;
LineStyle = graphics._lineStyle;
ResourceManager = graphics._resourceManager;
Transform = graphics.Transform;
}
/// <summary>
/// Initializes a new instance of the <see cref="RandomStyleManager" /> class.
/// </summary>
/// <param name="seed">The seed.</param>
/// <param name="lineStyle">The line style.</param>
/// <param name="styles">The styles.</param>
public RandomGreedyStyleManager(int seed, [NotNull] LineStyle lineStyle, [CanBeNull] params TileStyle[] styles)
: base(seed, lineStyle, styles)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="StyleManager" /> class.
/// </summary>
/// <param name="lineStyle">The line style.</param>
/// <param name="styles">The styles.</param>
/// <exception cref="System.ArgumentNullException"></exception>
public SimpleStyleManager([NotNull] LineStyle lineStyle, [CanBeNull] params TileStyle[] styles)
: base(lineStyle, styles)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="StyleManager" /> class.
/// </summary>
/// <param name="lineStyle">The line style.</param>
/// <param name="styles">The styles.</param>
/// <exception cref="System.ArgumentNullException"></exception>
public SimpleStyleManager([NotNull] LineStyle lineStyle, [CanBeNull] IReadOnlyCollection <TileStyle> styles)
: base(lineStyle, styles)
{
}
private static StyleManager DeserializeStyleManager([NotNull] XElement element)
{
string typeName = element.Attribute("type")?.Value;
if (string.IsNullOrEmpty(typeName))
throw new InvalidDataException("Style manager type missing.");
XElement lineStyleElm = element.Element("LineStyle");
if (lineStyleElm == null || lineStyleElm.IsEmpty)
throw new InvalidDataException("Line style missing");
float width;
if (!float.TryParse(lineStyleElm.Attribute("width")?.Value, FloatNumberStyle, _culture, out width))
throw new InvalidDataException("Line width is invalid or missing.");
LineStyle lineStyle = new LineStyle(
width,
(SolidColourStyle) DeserializeStyle(lineStyleElm.Elements().Single()));
XElement stylesElm = element.Element("Styles");
if (stylesElm == null || stylesElm.IsEmpty)
throw new InvalidDataException("Styles missing");
TileStyle[] styles = stylesElm.Elements().Select(DeserializeTileStyle).ToArray();
int seed;
switch (typeName)
{
case nameof(RandomStyleManager):
if (!int.TryParse(element.Element("Seed")?.Value, out seed))
throw new InvalidDataException("Random seed is invalid or missing.");
return new RandomStyleManager(seed, lineStyle, styles);
case nameof(RandomGreedyStyleManager):
if (!int.TryParse(element.Element("Seed")?.Value, out seed))
throw new InvalidDataException("Random seed is invalid or missing.");
return new RandomGreedyStyleManager(seed, lineStyle, styles);
case nameof(GreedyStyleManager):
int pa, pb, pc;
if (!int.TryParse(element.Element("ParamA")?.Value, out pa))
throw new InvalidDataException("Style manager parameter A is invalid or missing.");
if (!int.TryParse(element.Element("ParamB")?.Value, out pb))
throw new InvalidDataException("Style manager parameter B is invalid or missing.");
if (!int.TryParse(element.Element("ParamC")?.Value, out pc))
throw new InvalidDataException("Style manager parameter C is invalid or missing.");
return new GreedyStyleManager(pa, pb, pc, lineStyle, styles);
case nameof(SimpleStyleManager):
return new SimpleStyleManager(lineStyle, styles);
default:
throw new InvalidDataException($"Unknown style manager type {typeName}.");
}
}
/// <summary>
/// Sets the line style.
/// </summary>
/// <param name="lineStyle">The line style.</param>
public void SetLineStyle(LineStyle lineStyle)
{
if (lineStyle == null) throw new ArgumentNullException(nameof(lineStyle));
LineStyle = lineStyle.Style;
LineWidth = lineStyle.Width;
}
