private void SetLabel(RadarObj obj, Point location, double duration)
{
//计算偏移量
bool x = true;
bool y = true;
if (location.X < 0)
{
x = false;
}
if (location.Y < 0)
{
y = false;
}
//obj.Name + " " +
TextBlock txb = new TextBlock()
{
Text = " " + obj.Name + " " + Getbfb(Count.ToString(), obj.DataValue.ToString(), 2) + " ", Foreground = this.Foreground, FontSize = this.FontSize
};
Size s = ControlSizeUtils.GetTextAreaSize(txb.Text, this.FontSize);
CanvasPanel.Children.Add(txb);
AnimationUtils.CtrlDoubleAnimation(txb, 1000, duration);
if (location.X > -5 && location.X < 5)
{
Canvas.SetLeft(txb, location.X - (s.Width / 2));
}
else
{
Canvas.SetLeft(txb, location.X + (x ? 0 : -(s.Width)));
}
if (location.Y > -5 && location.Y < 5)
{
Canvas.SetTop(txb, location.Y - (s.Height / 2));
}
else
{
Canvas.SetTop(txb, location.Y + (y ? 0 : -(s.Height)));
}
}
/// <summary>
/// 初始化数据
/// </summary>
private void initData()
{
CanvasPanel.Children.Clear();
if (this.Datas != null && this.Datas.Count > 0)
{
this.CanvasPanel.Width = this.CanvasPanel.Height = 0;
//求角度比例尺 (每个值占多大的角度 可以算到每一块图所占的角度)
var angelScale = 360.00 / Datas.Sum(i => i.DataValue);
//最大半径
var maxRadius = (MaxSize / 2) - RoseMargin - (ShowValuesLabel ? LabelPathLength : 0);
//半径比例尺 （值和比例尺相乘等于每一块图的半径）
var radiusScale = maxRadius / Datas.Max(o => o.DataValue);
//计算半径宽度值
for (int i = 0; i < Datas.Count; i++)
{
Datas[i].DataRaidus = Datas[i].DataValue * radiusScale;
}
//扇形角度初始化
double angleSectorStart = 0;
double angleSectorEnd = 0;
//循环绘制扇形区域
int scaleTimeSpan = 0;
int pathTimespan = 0;
int textTimeSpan = 0;
for (int index = 0; index < Datas.Count; index++)
{
//计算扇形角度
if (index == 0)
{
angleSectorStart = 0;
angleSectorEnd = Datas[index].DataValue * angelScale;
}
else if (index + 1 == Datas.Count)
{
angleSectorStart += Datas[index - 1].DataValue * angelScale;
angleSectorEnd = 360;
}
else
{
angleSectorStart += Datas[index - 1].DataValue * angelScale;
angleSectorEnd = angleSectorStart + Datas[index].DataValue * angelScale;
}
var currentRadius = RoseInsideMargin + Datas[index].DataRaidus;
//计算扇形点位，用于绘制PATH
Point ptOutSideStart = GetPoint(currentRadius, angleSectorStart * Math.PI / 180);
Point ptOutSideEnd = GetPoint(currentRadius, angleSectorEnd * Math.PI / 180);
Point ptInSideStart = GetPoint(RoseInsideMargin, angleSectorStart * Math.PI / 180);
Point ptInSideEnd = GetPoint(RoseInsideMargin, angleSectorEnd * Math.PI / 180);
if (string.IsNullOrEmpty(Datas[index].RColor))
{
Datas[index].RColor = ChartColorPool.ColorStrings[index];
}
Path pthSector = new Path()
{
Fill = Datas[index].Fill
};
//PATH数据格式 M0,100 L50,100 A50,50 0 0 1 100,50 L100,0 A100,100 0 0 0 0,100 Z
StringBuilder datastrb = new StringBuilder();
#region BuilderPathData
datastrb.Append("M");
datastrb.Append(ptOutSideStart.X.ToString());
datastrb.Append(",");
datastrb.Append(ptOutSideStart.Y.ToString());
datastrb.Append(" L");
datastrb.Append(ptInSideStart.X.ToString());
datastrb.Append(",");
datastrb.Append(ptInSideStart.Y.ToString());
datastrb.Append(" A");
datastrb.Append(RoseInsideMargin.ToString());
datastrb.Append(",");
datastrb.Append(RoseInsideMargin.ToString());
datastrb.Append(" 0 0 1 ");
datastrb.Append(ptInSideEnd.X.ToString());
datastrb.Append(",");
datastrb.Append(ptInSideEnd.Y.ToString());
datastrb.Append(" L");
datastrb.Append(ptOutSideEnd.X.ToString());
datastrb.Append(",");
datastrb.Append(ptOutSideEnd.Y.ToString());
datastrb.Append(" A");
datastrb.Append(currentRadius.ToString());
datastrb.Append(",");
datastrb.Append(currentRadius.ToString());
datastrb.Append(" 0 0 0 ");
datastrb.Append(ptOutSideStart.X.ToString());
datastrb.Append(",");
datastrb.Append(ptOutSideStart.Y.ToString());
datastrb.Append(" Z");
#endregion BuilderPathData
try
{
pthSector.Data = (Geometry) new GeometryConverter().ConvertFromString(datastrb.ToString());
}
catch (Exception exp)
{ }
//设置扇形显示的动画
AnimationUtils.FloatElement(pthSector, 1, 200, pathTimespan += 200);
AnimationUtils.ScaleRotateEasingAnimationShow(pthSector, 0.1, 1, 1500, scaleTimeSpan += 200, null);
CanvasPanel.Children.Add(pthSector);
if (ShowValuesLabel)
{
//计算延伸线角度
double lbPathAngle = angleSectorStart + (angleSectorEnd - angleSectorStart) / 2;
//起点
Point ptLbStart = GetPoint(currentRadius, lbPathAngle * Math.PI / 180);
//终点
Point ptLbEnd = GetPoint(maxRadius + LabelPathLength, lbPathAngle * Math.PI / 180);
Path pthLb = new Path()
{
Stroke = Datas[index].Stroke, StrokeThickness = 1
};
pthLb.Data = (Geometry) new GeometryConverter().ConvertFromString(string.Format("M{0},{1} {2},{3}", ptLbStart.X.ToString(), ptLbStart.Y.ToString(), ptLbEnd.X.ToString(), ptLbEnd.Y.ToString()));
double dur = (textTimeSpan += 200) + 1500;
AnimationUtils.CtrlDoubleAnimation(pthLb, 1000, dur);
CanvasPanel.Children.Add(pthLb);
SetLabel(Datas[index], ptLbEnd, dur);
}
}
this.SizeChanged -= RadarControl_SizeChanged;
this.SizeChanged += RadarControl_SizeChanged;
}
}
