191 lines
6.9 KiB
C#
191 lines
6.9 KiB
C#
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using System;
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using UnityEngine;
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namespace XCharts.Runtime
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{
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public static class VisualMapHelper
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{
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public static void AutoSetLineMinMax(VisualMap visualMap, Serie serie, bool isY, Axis axis, Axis relativedAxis)
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{
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if (!IsNeedGradient(visualMap) || !visualMap.autoMinMax)
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return;
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double min = 0;
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double max = 0;
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var xAxis = isY ? relativedAxis : axis;
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var yAxis = isY ? axis : relativedAxis;
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if (visualMap.dimension == 0)
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{
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min = xAxis.IsCategory() ? 0 : xAxis.context.minValue;
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max = xAxis.IsCategory() ? serie.dataCount - 1 : xAxis.context.maxValue;
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SetMinMax(visualMap, min, max);
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}
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else
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{
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min = yAxis.IsCategory() ? 0 : yAxis.context.minValue;
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max = yAxis.IsCategory() ? serie.dataCount - 1 : yAxis.context.maxValue;
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SetMinMax(visualMap, min, max);
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}
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}
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public static void SetMinMax(VisualMap visualMap, double min, double max)
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{
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if ((visualMap.min != min || visualMap.max != max))
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{
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if (max >= min)
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{
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visualMap.min = min;
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visualMap.max = max;
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}
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else
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{
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throw new Exception("SetMinMax:max < min:" + min + "," + max);
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}
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}
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}
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public static void GetLineGradientColor(VisualMap visualMap, float xValue, float yValue,
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out Color32 startColor, out Color32 toColor)
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{
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startColor = ChartConst.clearColor32;
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toColor = ChartConst.clearColor32;
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if (visualMap.dimension == 0)
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{
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startColor = visualMap.IsPiecewise() ? visualMap.GetColor(xValue) : visualMap.GetColor(xValue - 1);
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toColor = visualMap.IsPiecewise() ? startColor : visualMap.GetColor(xValue);
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}
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else
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{
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startColor = visualMap.IsPiecewise() ? visualMap.GetColor(yValue) : visualMap.GetColor(yValue - 1);
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toColor = visualMap.IsPiecewise() ? startColor : visualMap.GetColor(yValue);
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}
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}
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public static Color32 GetLineGradientColor(VisualMap visualMap, Vector3 pos, GridCoord grid, Axis axis,
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Axis relativedAxis, Color32 defaultColor)
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{
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double value = 0;
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double min = 0;
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double max = 0;
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if (visualMap.dimension == 0)
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{
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min = axis.context.minValue;
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max = axis.context.maxValue;
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if (axis.IsCategory() && axis.boundaryGap)
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{
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float startX = grid.context.x + axis.context.scaleWidth / 2;
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value = (min + (pos.x - startX) / (grid.context.width - axis.context.scaleWidth) * (max - min));
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if (visualMap.IsPiecewise())
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value = (int) value;
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}
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else
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{
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value = min + (pos.x - grid.context.x) / grid.context.width * (max - min);
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}
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}
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else
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{
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min = relativedAxis.context.minValue;
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max = relativedAxis.context.maxValue;
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if (relativedAxis.IsCategory() && relativedAxis.boundaryGap)
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{
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float startY = grid.context.y + relativedAxis.context.scaleWidth / 2;
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value = (min + (pos.y - startY) / (grid.context.height - relativedAxis.context.scaleWidth) * (max - min));
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if (visualMap.IsPiecewise())
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value = (int) value;
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}
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else
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{
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value = min + (pos.y - grid.context.y) / grid.context.height * (max - min);
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}
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}
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var color = visualMap.GetColor(value);
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if (ChartHelper.IsClearColor(color))
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{
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return defaultColor;
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}
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else
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{
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if (color.a != 0)
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color.a = defaultColor.a;
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return color;
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}
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}
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public static Color32 GetItemStyleGradientColor(ItemStyle itemStyle, Vector3 pos, BaseChart chart,
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Axis axis, Color32 defaultColor)
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{
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var min = axis.context.minValue;
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var max = axis.context.maxValue;
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var grid = chart.GetChartComponent<GridCoord>(axis.gridIndex);
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var value = min + (pos.x - grid.context.x) / grid.context.width * (max - min);
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var rate = (value - min) / (max - min);
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var color = itemStyle.GetGradientColor((float) rate, defaultColor);
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if (ChartHelper.IsClearColor(color))
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return defaultColor;
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else
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return color;
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}
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public static Color32 GetLineStyleGradientColor(LineStyle lineStyle, Vector3 pos, GridCoord grid,
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Axis axis, Color32 defaultColor)
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{
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var min = axis.context.minValue;
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var max = axis.context.maxValue;
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var value = min + (pos.x - grid.context.x) / grid.context.width * (max - min);
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var rate = (value - min) / (max - min);
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var color = lineStyle.GetGradientColor((float) rate, defaultColor);
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if (ChartHelper.IsClearColor(color))
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return defaultColor;
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else
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return color;
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}
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public static bool IsNeedGradient(VisualMap visualMap)
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{
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if (visualMap == null)
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return false;
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if (!visualMap.show || (!visualMap.workOnLine && !visualMap.workOnArea))
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return false;
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if (visualMap.inRange.Count <= 0)
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return false;
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return true;
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}
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public static bool IsNeedLineGradient(VisualMap visualMap)
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{
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if (visualMap == null)
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return false;
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if (!visualMap.show || !visualMap.workOnLine)
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return false;
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if (visualMap.inRange.Count <= 0)
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return false;
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return true;
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}
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public static bool IsNeedAreaGradient(VisualMap visualMap)
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{
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if (visualMap == null)
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return false;
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if (!visualMap.show || !visualMap.workOnArea)
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return false;
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if (visualMap.inRange.Count <= 0)
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return false;
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return true;
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}
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public static int GetDimension(VisualMap visualMap, int serieDataCount)
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{
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var dimension = visualMap != null && visualMap.dimension >= 0 ?
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visualMap.dimension : serieDataCount - 1;
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if (dimension > serieDataCount - 1)
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dimension = serieDataCount - 1;
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return dimension;
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}
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}
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}
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