private bool IsPrimitiveSelected(Primitive2D p)
{
PrimitiveRenderData data = p.GetData <PrimitiveRenderData>();
if (data != null)
{
return(data.isSelected);
}
return(false);
}
public static PrimitiveRenderData Get(Primitive2D p)
{
PrimitiveRenderData data = p.GetData <PrimitiveRenderData>();
if (data == null)
{
data = new PrimitiveRenderData();
p.SetData(data);
}
return(data);
}
private void RebuildList(VectorImage img)
{
overlayPoints.Clear();
List <Vector2D> vertices = img.GetPrimitives <Vector2D>();
foreach (Vector2D v in vertices)
{
if (PrimitiveRenderData.Get(v).Text != "")
{
double dist = GetClosestDistance(v, vertices);
overlayPoints.Add(new OverlayVector2D(v, dist));
}
}
overlayPoints.Sort((a, b) => b.distance.CompareTo(a.distance));
}
private Color GetColor(Primitive2D p, Colors.ColorPair defaultColors)
{
if (!isActive)
{
return(defaultColors.Inactive);
}
PrimitiveRenderData data = p.GetData <PrimitiveRenderData>();
if (data != null)
{
return(data.isSelected ? defaultColors.Selected : data.GetColor(defaultColors.Active));
}
return(defaultColors.Active);
}
private void DrawOverlay(RenderContext context)
{
for (int i = 0; i < overlayPoints.Count; i++)
{
if (overlayPoints[i].distance * context.DrawScale < 25.0f)
{
break;
}
string label = PrimitiveRenderData.Get(overlayPoints[i].v).Text;
SolidBrush drawBrush = new SolidBrush(Colors.ScientificText);
Font font = new Font("Arial", 10);
Vector2D p = context.PointToScreen(overlayPoints[i].v);
context.Graphics.DrawString(label, font, Colors.ScientificText, p);
}
}
