private void UpdateStyleField(ref D2DShapeStyle field, D2DShapeStyle newValue)
{
field = newValue;
if (field != null)
{
// TODO: This is not optimal. Instead of cloning, keep all D2DFactory-dependent resources on a per D2DCanvas instance basis.
field = field.Clone();
}
this.EvaluateShapeStyles();
}
protected override D2DShapeStyle GetShapeStyle(IMapShape shape)
{
var populationDensity = GetPopulationDensity(shape);
var color = GetColor(populationDensity);
var style = new D2DShapeStyle
{
Fill = new D2DSolidColorBrush {
Color = color
},
StrokeThickness = 0
};
return(style);
}
private void ApplyShapeStyle(D2DShape shape)
{
(shape.Model as IMapShape).AttributeChanged -= this.MapShapeLayer_AttributeChanged;
(shape.Model as IMapShape).AttributeChanged += this.MapShapeLayer_AttributeChanged;
D2DShapeStyle normalStyle = this.normalStyleCache;
D2DShapeStyle pointerOverStyle = this.pointerOverStyleCache;
D2DShapeStyle selectedStyle = this.selectedStyleCache;
if (this.colorizerCache != null && this.colorizerCache.IsProperlyInitialized)
{
var style = this.colorizerCache.GetShapeStyle(shape.Model as IMapShape);
if (style != null)
{
if (normalStyle != null)
{
if (style.Stroke == null)
{
style.Stroke = normalStyle.Stroke;
}
if (style.Foreground == null)
{
style.Foreground = normalStyle.Foreground;
}
if (style.StrokeThickness == 1)
{
style.StrokeThickness = normalStyle.StrokeThickness;
}
}
normalStyle = style;
}
}
MapShapeStyleContext selectorContext = null;
if (this.shapeStyleSelectorCache != null)
{
selectorContext = new MapShapeStyleContext()
{
Shape = shape.Model as IMapShape,
UIState = shape.UIState
};
this.shapeStyleSelectorCache.SelectStyle(selectorContext, this);
if (selectorContext.NormalStyle != null)
{
normalStyle = selectorContext.NormalStyle;
}
if (selectorContext.PointerOverStyle != null)
{
pointerOverStyle = selectorContext.PointerOverStyle;
}
if (selectorContext.SelectedStyle != null)
{
selectedStyle = selectorContext.SelectedStyle;
}
}
// TODO: We may run into a D2DFactory exception if the resources provided by the user are shared across different Map instances
// TODO: This requires some refactoring, which will be handled after the Q3 release
shape.NormalStyle = normalStyle;
shape.PointerOverStyle = pointerOverStyle;
shape.SelectedStyle = selectedStyle;
this.ApplyShapeLabel(shape, selectorContext);
}
/// <summary>
/// Initializes a new instance of the <see cref="ColorRange"/> class.
/// </summary>
public ColorRange()
{
this.style = new D2DShapeStyle();
}
