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

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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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130
Runtime/Internal/Helper/VisualMapHelper.cs Normal file
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/******************************************/
/* */
/* Copyright (c) 2018 monitor1394 */
/* https://github.com/monitor1394 */
/* */
/******************************************/
using System;
using System.Collections.Generic;
using UnityEngine;
namespace XCharts
{
public static class VisualMapHelper
{
public static void AutoSetLineMinMax(VisualMap visualMap, Serie serie, XAxis xAxis, YAxis yAxis)
{
if (!IsNeedGradient(visualMap) || !visualMap.autoMinMax) return;
float min = 0;
float max = 0;
switch (visualMap.direction)
{
case VisualMap.Direction.Default:
case VisualMap.Direction.X:
min = xAxis.IsCategory() ? 0 : xAxis.runtimeMinValue;
max = xAxis.IsCategory() ? serie.dataCount : xAxis.runtimeMaxValue;
SetMinMax(visualMap, min, max);
break;
case VisualMap.Direction.Y:
min = yAxis.IsCategory() ? 0 : yAxis.runtimeMinValue;
max = yAxis.IsCategory() ? serie.dataCount : yAxis.runtimeMaxValue;
SetMinMax(visualMap, min, max);
break;
}
}
public static void SetMinMax(VisualMap visualMap, float min, float max)
{
if (visualMap.enable && (visualMap.min != min || visualMap.max != max))
{
//Debug.LogError("minmax:"+min+","+max);
if (max >= min)
{
visualMap.min = min;
visualMap.max = max;
//Debug.LogError("minmax2222:"+visualMap.min+","+visualMap.max);
}
else
{
throw new Exception("SetMinMax:max < min:" + min + "," + max);
}
}
}
public static void GetLineGradientColor(VisualMap visualMap, float xValue, float yValue,
out Color startColor, out Color toColor)
{
startColor = Color.clear;
toColor = Color.clear;
switch (visualMap.direction)
{
case VisualMap.Direction.Default:
case VisualMap.Direction.X:
startColor = visualMap.IsPiecewise() ? visualMap.GetColor(xValue) : visualMap.GetColor(xValue - 1);
toColor = visualMap.IsPiecewise() ? startColor : visualMap.GetColor(xValue);
break;
case VisualMap.Direction.Y:
startColor = visualMap.IsPiecewise() ? visualMap.GetColor(yValue) : visualMap.GetColor(yValue - 1);
toColor = visualMap.IsPiecewise() ? startColor : visualMap.GetColor(yValue);
break;
}
}
internal static Color GetLineGradientColor(VisualMap visualMap, Vector3 pos, CoordinateChart chart, Axis axis, Color defaultColor)
{
float value = 0;
switch (visualMap.direction)
{
case VisualMap.Direction.Default:
case VisualMap.Direction.X:
var min = axis.runtimeMinValue;
var max = axis.runtimeMaxValue;
value = min + (pos.x - chart.coordinateX) / chart.coordinateWidth * (max - min);
break;
case VisualMap.Direction.Y:
if (axis is YAxis)
{
var yAxis = chart.xAxises[axis.index];
min = yAxis.runtimeMinValue;
max = yAxis.runtimeMaxValue;
}
else
{
var yAxis = chart.yAxises[axis.index];
min = yAxis.runtimeMinValue;
max = yAxis.runtimeMaxValue;
}
value = min + (pos.y - chart.coordinateY) / chart.coordinateHeight * (max - min);
break;
}
var color = visualMap.GetColor(value);
if (ChartHelper.IsClearColor(color)) return defaultColor;
else return color;
}
internal static Color GetItemStyleGradientColor(ItemStyle itemStyle, Vector3 pos, CoordinateChart chart, Axis axis, Color defaultColor)
{
var min = axis.runtimeMinValue;
var max = axis.runtimeMaxValue;
var value = min + (pos.x - chart.coordinateX) / chart.coordinateWidth * (max - min);
var rate = (value - min) / (max - min);
var color = itemStyle.GetGradientColor(rate, defaultColor);
if (ChartHelper.IsClearColor(color)) return defaultColor;
else return color;
}
public static bool IsNeedGradient(VisualMap visualMap)
{
if (!visualMap.enable || visualMap.inRange.Count <= 0) return false;
return true;
}
public static int GetDimension(VisualMap visualMap, int serieDataCount)
{
var dimension = visualMap.enable && visualMap.dimension >= 0 ? visualMap.dimension : serieDataCount - 1;
if (dimension > serieDataCount - 1) dimension = serieDataCount - 1;
return dimension;
}
}
}