/// <summary>
/// Retrieves the data to be plotted for the edge.</summary>
/// <param name="render">The render to retrieve the data for.</param>
/// <param name="worldOffset">Current world offset of the render when drawing this edge.</param>
/// <param name="g">Graphics object</param>
/// <returns>The data to plot for the edge.</returns>
/// <remarks>The data is returned in world space</remarks>
IEnumerable <EdgeStyleData> IEdgeStyleProvider.GetData(DiagramRenderer render, Point worldOffset, D2dGraphics g)
{
var circuitRender = render as D2dCircuitRenderer <TElement, TWire, TPin>;
var dataPoints = GetGroupPinChainData(circuitRender, worldOffset, g);
IEnumerable <EdgeStyleData> result = EmptyEnumerable <EdgeStyleData> .Instance;
if (EdgeStyle == EdgeStyle.DirectCurve)
{
// skip group pin positions where group pins are hidden
var visiblePoints = dataPoints.Where(
pt => pt.Group == null || !pt.Group.Expanded || pt.Group.Info.ShowExpandedGroupPins).ToArray();
var curves = new EdgeStyleData[visiblePoints.Length - 1];
for (int i = 0; i < visiblePoints.Length - 1; ++i)
{
var bezier = SetupBezierCurve(visiblePoints[i].Pos, visiblePoints[i + 1].Pos);
var edgeData = new EdgeStyleData
{
ShapeType = EdgeStyleData.EdgeShape.Bezier,
EdgeData = bezier,
};
curves[i] = edgeData;
}
result = curves;
}
else if (EdgeStyle == EdgeStyle.Default)
{
var curves = new EdgeStyleData[dataPoints.Count - 1];
for (int i = 0; i < dataPoints.Count - 1; ++i)
{
var bezier = SetupBezierCurve(dataPoints[i].Pos, dataPoints[i + 1].Pos);
var edgeData = new EdgeStyleData
{
ShapeType = EdgeStyleData.EdgeShape.Bezier,
EdgeData = bezier,
};
curves[i] = edgeData;
}
result = curves;
}
else if (EdgeStyle == EdgeStyle.Polyline)
{
var polyline = new EdgeStyleData();
var lines = new PointF[dataPoints.Count];
for (int v = 0; v < dataPoints.Count; ++v)
{
lines[v] = dataPoints[v].Pos;
}
polyline.ShapeType = EdgeStyleData.EdgeShape.Polyline;
polyline.EdgeData = lines;
result = new[] { polyline };
}
return(result);
}
/// <summary>
/// Draws an icon that indicates a linked (referenced) item</summary>
/// <param name="g">The Direct2D graphics object</param>
/// <param name="x">X coordinate of icon top left corner</param>
/// <param name="y">Y coordinate of icon top left corner</param>
/// <param name="size">Size of expander, in pixels</param>
/// <param name="brush">Brush</param>
public static void DrawLink(this D2dGraphics g, float x, float y, float size, D2dBrush brush)
{
var path = new EdgeStyleData[5];
var pathData = new PointF[16];
for (int i = 0; i < 16; ++i)
{
pathData[i] = new PointF(s_unitCurvedArrowData[i].X * size + x, s_unitCurvedArrowData[i].Y * size + y);
}
var edgeData = new EdgeStyleData
{
ShapeType = EdgeStyleData.EdgeShape.Line,
EdgeData = new PointF[] { pathData[0], pathData[1], pathData[2], pathData[3] }
};
path[0] = edgeData;
edgeData = new EdgeStyleData
{
ShapeType = EdgeStyleData.EdgeShape.Bezier,
EdgeData = new BezierCurve2F(pathData[3], pathData[4], pathData[5], pathData[6])
};
path[1] = edgeData;
edgeData = new EdgeStyleData
{
ShapeType = EdgeStyleData.EdgeShape.Bezier,
EdgeData = new BezierCurve2F(pathData[6], pathData[7], pathData[8], pathData[9])
};
path[2] = edgeData;
edgeData = new EdgeStyleData
{
ShapeType = EdgeStyleData.EdgeShape.Bezier,
EdgeData = new BezierCurve2F(pathData[9], pathData[10], pathData[11], pathData[12])
};
path[3] = edgeData;
edgeData = new EdgeStyleData
{
ShapeType = EdgeStyleData.EdgeShape.Bezier,
EdgeData = new BezierCurve2F(pathData[12], pathData[13], pathData[14], pathData[15])
};
path[4] = edgeData;
g.FillPath(path, brush);
}
