protected void DrawLabelBackground(VertexHelper vh, Serie serie, SerieData serieData)
{
if (serieData == null || serieData.labelObject == null)
{
return;
}
var serieLabel = SerieHelper.GetSerieLabel(serie, serieData);
if (!serieLabel.show)
{
return;
}
var invert = serieLabel.autoOffset &&
serie.type == SerieType.Line &&
SerieHelper.IsDownPoint(serie, serieData.index) &&
!serie.areaStyle.show;
var centerPos = Vector3.zero;
if (serie.type == SerieType.Pie)
{
centerPos = SerieLabelHelper.GetRealLabelPosition(serieData, serieLabel);
}
else
{
centerPos = serieData.labelPosition + serieLabel.offset * (invert ? -1 : 1);
}
var labelHalfWid = serieData.labelObject.GetLabelWidth() / 2;
var labelHalfHig = serieData.GetLabelHeight() / 2;
var p1 = new Vector3(centerPos.x - labelHalfWid, centerPos.y + labelHalfHig);
var p2 = new Vector3(centerPos.x + labelHalfWid, centerPos.y + labelHalfHig);
var p3 = new Vector3(centerPos.x + labelHalfWid, centerPos.y - labelHalfHig);
var p4 = new Vector3(centerPos.x - labelHalfWid, centerPos.y - labelHalfHig);
if (serieLabel.rotate > 0)
{
p1 = ChartHelper.RotateRound(p1, centerPos, Vector3.forward, serieLabel.rotate);
p2 = ChartHelper.RotateRound(p2, centerPos, Vector3.forward, serieLabel.rotate);
p3 = ChartHelper.RotateRound(p3, centerPos, Vector3.forward, serieLabel.rotate);
p4 = ChartHelper.RotateRound(p4, centerPos, Vector3.forward, serieLabel.rotate);
}
ChartDrawer.DrawPolygon(vh, p1, p2, p3, p4, serieLabel.backgroundColor);
if (serieLabel.border)
{
ChartDrawer.DrawBorder(vh, centerPos, serieData.GetLabelWidth(), serieData.GetLabelHeight(),
serieLabel.borderWidth, serieLabel.borderColor, serieLabel.rotate);
}
ChartDrawer.DrawPolygon(vh, serieData.labelPosition, 0.3f, Color.red);
}
private static void CheckSerieDataLabel(Serie serie, SerieData serieData, bool isLeft, ComponentTheme theme,
ref Vector3 lastCheckPos)
{
if (!serieData.canShowLabel)
{
serieData.SetLabelActive(false);
return;
}
if (!serieData.show)
{
return;
}
var serieLabel = SerieHelper.GetSerieLabel(serie, serieData);
var fontSize = serieLabel.textStyle.GetFontSize(theme);
if (!serieLabel.show)
{
return;
}
if (serieLabel.position != SerieLabel.Position.Outside)
{
return;
}
if (lastCheckPos == Vector3.zero)
{
lastCheckPos = serieData.labelPosition;
}
else if (serieData.labelPosition.x != 0)
{
if (lastCheckPos.y - serieData.labelPosition.y < fontSize)
{
var labelRadius = serie.runtimeOutsideRadius + serieLabel.lineLength1;
var y1 = lastCheckPos.y - fontSize;
var cy = serie.runtimeCenterPos.y;
var diff = Mathf.Abs(y1 - cy);
var diffX = labelRadius * labelRadius - diff * diff;
diffX = diffX <= 0 ? 0 : diffX;
var x1 = serie.runtimeCenterPos.x + Mathf.Sqrt(diffX) * (isLeft ? -1 : 1);
serieData.labelPosition = new Vector3(x1, y1);
}
lastCheckPos = serieData.labelPosition;
serieData.labelObject.SetPosition(SerieLabelHelper.GetRealLabelPosition(serieData, serieLabel));
}
}
private void DrawPieLabel(Serie serie, int dataIndex, SerieData serieData, Color serieColor)
{
if (serieData.labelObject == null)
{
return;
}
var currAngle = serieData.runtimePieHalfAngle;
var isHighlight = (serieData.highlighted && serie.emphasis.label.show);
var serieLabel = SerieHelper.GetSerieLabel(serie, serieData);
var showLabel = ((serieLabel.show || isHighlight) && serieData.canShowLabel);
if (showLabel || serieData.iconStyle.show)
{
serieData.SetLabelActive(showLabel);
float rotate = 0;
bool isInsidePosition = serieLabel.position == SerieLabel.Position.Inside;
if (serieLabel.textStyle.rotate > 0 && isInsidePosition)
{
if (currAngle > 180)
{
rotate += 270 - currAngle;
}
else
{
rotate += -(currAngle - 90);
}
}
Color color = serieColor;
if (isHighlight)
{
if (!ChartHelper.IsClearColor(serie.emphasis.label.textStyle.color))
{
color = serie.emphasis.label.textStyle.color;
}
}
else if (!ChartHelper.IsClearColor(serieLabel.textStyle.color))
{
color = serieLabel.textStyle.color;
}
else
{
color = isInsidePosition ? Color.white : serieColor;
}
var fontSize = isHighlight
? serie.emphasis.label.textStyle.GetFontSize(chart.theme.common)
: serieLabel.textStyle.GetFontSize(chart.theme.common);
var fontStyle = isHighlight
? serie.emphasis.label.textStyle.fontStyle
: serieLabel.textStyle.fontStyle;
serieData.labelObject.label.SetColor(color);
serieData.labelObject.label.SetFontSize(fontSize);
serieData.labelObject.label.SetFontStyle(fontStyle);
serieData.labelObject.SetLabelRotate(rotate);
if (!string.IsNullOrEmpty(serieLabel.formatter))
{
var value = serieData.data[1];
var total = serie.yTotal;
var content = SerieLabelHelper.GetFormatterContent(serie, serieData, value, total, serieLabel);
if (serieData.labelObject.SetText(content))
{
chart.RefreshPainter(serie);
}
}
else
{
if (serieData.labelObject.SetText(serieData.name))
{
chart.RefreshPainter(serie);
}
}
serieData.labelObject.SetPosition(SerieLabelHelper.GetRealLabelPosition(serieData, serieLabel));
if (showLabel)
{
serieData.labelObject.SetLabelPosition(serieLabel.offset);
}
else
{
serieData.SetLabelActive(false);
}
}
else
{
serieData.SetLabelActive(false);
}
serieData.labelObject.UpdateIcon(serieData.iconStyle);
}
