public ShapeBulder GetShapBilder(ShapeBuilderType type)
{
ShapeBulder builder = null;
switch (type)
{
case ShapeBuilderType.Rectangle:
builder = RectangleShapBuilder;
break;
case ShapeBuilderType.ArrowLine:
builder = ArrowLineShapBuilder;
break;
case ShapeBuilderType.StartEllipse:
builder = StartEllipseShapeBuilder;
break;
case ShapeBuilderType.RangeEllipse:
builder = RangeEllipseShapeBuilder;
break;
default:
break;
}
return builder;
}
public void ReDrawShaps(List<ShapeData> shaps)
{
this.Dispose();
InitImageSource();
DrawingContext drawingContext = _drawingVisual.RenderOpen();
ShapeBuilderType[] typeSecquence = new ShapeBuilderType[4]
{
ShapeBuilderType.RangeEllipse, //step1: draw all rangeindicator
ShapeBuilderType.ArrowLine, //step2: draw all dash ling with arrow
ShapeBuilderType.Rectangle, //step3： draw all autosampling point
ShapeBuilderType.StartEllipse //step4: draw start red ellipse
};
foreach (var type in typeSecquence)
{
for (int i = 0; i < shaps.Count;)
{
ShapeData shape = shaps[i];
if (shape.ShapType != type)
{
i++;
continue;
}
ShapeBulder builder = ShapBuilderFactory.Instance.GetShapBilder(shape.ShapType);
Rect drawRect = DrawShape(shape, builder);
builder.Drawing(drawingContext, drawRect);
shaps.RemoveAt(i);
}
}
drawingContext.Close();
if (ImageSource != null)
{
ImageSource.Render(_drawingVisual);
}
}