protected virtual void DrawLegend(VertexHelper vh)
{
if (m_Series.Count == 0)
{
return;
}
foreach (var legend in m_Legends)
{
if (!legend.show)
{
continue;
}
if (legend.iconType == Legend.Type.Custom)
{
continue;
}
foreach (var kv in legend.buttonList)
{
var item = kv.Value;
var rect = item.GetIconRect();
var radius = Mathf.Min(rect.width, rect.height) / 2;
var color = item.GetIconColor();
var iconType = legend.iconType;
if (legend.iconType == Legend.Type.Auto)
{
var serie = m_Series.GetSerie(item.legendName);
if (serie != null && serie.type == SerieType.Line)
{
var sp = new Vector3(rect.center.x - rect.width / 2, rect.center.y);
var ep = new Vector3(rect.center.x + rect.width / 2, rect.center.y);
UGL.DrawLine(vh, sp, ep, m_Settings.legendIconLineWidth, color);
if (!serie.symbol.show)
{
continue;
}
switch (serie.symbol.type)
{
case SerieSymbolType.None:
continue;
case SerieSymbolType.Circle:
iconType = Legend.Type.Circle;
break;
case SerieSymbolType.Diamond:
iconType = Legend.Type.Diamond;
break;
case SerieSymbolType.EmptyCircle:
iconType = Legend.Type.EmptyCircle;
break;
case SerieSymbolType.Rect:
iconType = Legend.Type.Rect;
break;
case SerieSymbolType.Triangle:
iconType = Legend.Type.Triangle;
break;
}
}
else
{
iconType = Legend.Type.Rect;
}
}
switch (iconType)
{
case Legend.Type.Rect:
var cornerRadius = m_Settings.legendIconCornerRadius;
UGL.DrawRoundRectangle(vh, rect.center, rect.width, rect.height, color, color,
0, cornerRadius, false, 0.5f);
break;
case Legend.Type.Circle:
UGL.DrawCricle(vh, rect.center, radius, color);
break;
case Legend.Type.Diamond:
UGL.DrawDiamond(vh, rect.center, radius, color);
break;
case Legend.Type.EmptyCircle:
var backgroundColor = ThemeHelper.GetBackgroundColor(m_Theme, m_Background);
UGL.DrawEmptyCricle(vh, rect.center, radius, 2 * m_Settings.legendIconLineWidth,
color, color, backgroundColor, 1f);
break;
case Legend.Type.Triangle:
UGL.DrawTriangle(vh, rect.center, 1.2f * radius, color);
break;
}
}
}
}
