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增加LineChart可通过VisualMap或ItemStyle配置渐变#78

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This commit is contained in:
monitor1394
2020-07-30 09:31:44 +08:00
parent 6ea04ed671
commit 4c9f60e6c6
16 changed files with 332 additions and 58 deletions
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36
Runtime/Component/Sub/ItemStyle.cs
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@@ -38,6 +38,7 @@ namespace XCharts
[SerializeField] private bool m_Show = false;
[SerializeField] private Color m_Color;
[SerializeField] private Color m_ToColor;
[SerializeField] private Color m_ToColor2;
[SerializeField] private Color m_BackgroundColor;
[SerializeField] private float m_BackgroundWidth;
[SerializeField] private Color m_CenterColor;
@@ -55,6 +56,7 @@ namespace XCharts
m_Show = false;
m_Color = Color.clear;
m_ToColor = Color.clear;
m_ToColor2 = Color.clear;
m_BackgroundColor = Color.clear;
m_BackgroundWidth = 0;
m_CenterColor = Color.clear;
@@ -93,8 +95,8 @@ namespace XCharts
set { if (PropertyUtility.SetColor(ref m_Color, value)) SetVerticesDirty(); }
}
/// <summary>
/// Gradient color, start color to toColor.
/// 渐变色的终点颜色。
/// Gradient color1.
/// 渐变色的颜色1。
/// </summary>
public Color toColor
{
@@ -102,6 +104,15 @@ namespace XCharts
set { if (PropertyUtility.SetColor(ref m_ToColor, value)) SetVerticesDirty(); }
}
/// <summary>
/// Gradient color2.Only valid in line diagrams.
/// 渐变色的颜色2。只在折线图中有效。
/// </summary>
public Color toColor2
{
get { return m_ToColor2; }
set { if (PropertyUtility.SetColor(ref m_ToColor2, value)) SetVerticesDirty(); }
}
/// <summary>
/// 数据项背景颜色。
/// </summary>
public Color backgroundColor
@@ -214,5 +225,26 @@ namespace XCharts
color.a *= m_Opacity;
return color;
}
public bool IsNeedGradient()
{
return !ChartHelper.IsClearColor(m_ToColor) || !ChartHelper.IsClearColor(m_ToColor2);
}
public Color GetGradientColor(float value, Color defaultColor)
{
if (!IsNeedGradient()) return Color.clear;
value = Mathf.Clamp01(value);
var startColor = m_Color == Color.clear ? defaultColor : m_Color;
if (m_ToColor2 != Color.clear)
{
if (value <= 0.5f) return Color.Lerp(startColor, m_ToColor, 2 * value);
else return Color.Lerp(m_ToColor, m_ToColor2, 2 * (value - 0.5f));
}
else
{
return Color.Lerp(startColor, m_ToColor, value);
}
}
}
}