mirror of
https://github.com/XCharts-Team/XCharts.git
synced 2026-05-17 14:00:12 +00:00
优化LineChart密集数据的绘制表现
This commit is contained in:
monitor1394
@@ -1,3 +1,4 @@
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using System.Runtime.InteropServices.ComTypes;
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/******************************************/
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/* */
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/* Copyright (c) 2018 monitor1394 */
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@@ -5,7 +6,6 @@
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/* */
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/******************************************/
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using System;
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using System.Collections.Generic;
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using UnityEngine;
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@@ -650,9 +650,8 @@ namespace XCharts
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var isSecond = dataIndex == startIndex + 1;
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var isTheLastPos = np == nnp;
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bool isYAxis = axis is YAxis;
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var isTurnBack = IsInRightOrUp(isYAxis, np, lp);
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var lineWidth = serie.lineStyle.width;
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var ySmall = Mathf.Abs(lp.y - np.y) < lineWidth * 3;
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var xSmall = Mathf.Abs(lp.x - np.x) < lineWidth * 3;
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Vector3 dnPos, upPos1, upPos2, dir1v, dir2v;
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bool isDown;
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@@ -687,36 +686,37 @@ namespace XCharts
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stPos1 = lp - dir1v * serie.lineStyle.width;
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stPos2 = lp + dir1v * serie.lineStyle.width;
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}
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if ((isYAxis && ySmall) || (!isYAxis && xSmall))
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{
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if (serie.animation.CheckDetailBreak(np, isYAxis)) return false;
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CheckClipAndDrawLine(vh, lp, np, serie.lineStyle.width, lineColor, serie.clip);
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if (serie.areaStyle.show)
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{
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DrawPolygonToZero(vh, lp, np, axis, zeroPos, areaColor, areaToColor, Vector3.zero);
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}
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stPos1 = isDown ? upPos2 : dnPos;
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stPos2 = isDown ? dnPos : upPos2;
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lastDnPos = dnPos;
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lastIsDown = isDown;
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return true;
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}
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var smoothPoints = serie.GetUpSmoothList(dataIndex);
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var smoothDownPoints = serie.GetDownSmoothList(dataIndex);
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var dist = Vector3.Distance(lp, np);
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var lastSmoothPoint = Vector3.zero;
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var lastSmoothDownPoint = Vector3.zero;
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int segment = (int)(dist / m_Settings.lineSegmentDistance);
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if (segment <= 3) segment = (int)(dist / lineWidth);
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if (segment < 2) segment = 2;
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if (dataIndex > startIndex)
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{
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lastSmoothPoint = ChartHelper.GetLastPoint(serie.GetUpSmoothList(dataIndex - 1));
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lastSmoothDownPoint = ChartHelper.GetLastPoint(serie.GetDownSmoothList(dataIndex - 1));
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}
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smoothPoints.Clear();
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smoothDownPoints.Clear();
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smoothPoints.Add(stPos1);
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smoothDownPoints.Add(stPos2);
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if (!TryAddToList(isTurnBack, isYAxis, smoothPoints, lastSmoothPoint, stPos1, false))
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{
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smoothPoints.Add(lastSmoothPoint);
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}
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if (!TryAddToList(isTurnBack, isYAxis, smoothDownPoints, lastSmoothDownPoint, stPos2, false))
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{
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smoothDownPoints.Add(lastSmoothDownPoint);
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}
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var start = lp;
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Vector3 ltp1 = Vector3.zero, ltp2 = Vector3.zero;
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Vector3 ltp1 = stPos1, ltp2 = stPos2;
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bool isBreak = false;
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bool isStart = false;
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bool isShort = false;
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for (int i = 1; i < segment; i++)
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{
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var isEndPos = i == segment - 1;
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var cp = lp + dir1 * (dist * i / segment);
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if (serie.animation.CheckDetailBreak(cp, isYAxis)) isBreak = true;
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var tp1 = cp - dir1v * serie.lineStyle.width;
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@@ -728,9 +728,19 @@ namespace XCharts
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{
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if (!isStart)
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{
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if (isSecond || IsValue() ||
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(lastIsDown && ((isYAxis && tp2.y > lastDnPos.y) || (!isYAxis && tp2.x > lastDnPos.x))) ||
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(!lastIsDown && ((isYAxis && tp1.y > lastDnPos.y) || (!isYAxis && tp1.x > lastDnPos.x))))
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if (isEndPos)
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{
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isShort = true;
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isStart = true;
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CheckClipAndDrawPolygon(vh, stPos1, upPos1, upPos2, stPos2, lineColor, serie.clip);
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CheckClipAndDrawTriangle(vh, stPos2, upPos2, dnPos, lineColor, serie.clip);
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TryAddToList(isTurnBack, isYAxis, smoothPoints, lastSmoothPoint, stPos1, isEndPos);
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TryAddToList(isTurnBack, isYAxis, smoothPoints, lastSmoothPoint, upPos1, isEndPos);
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TryAddToList(isTurnBack, isYAxis, smoothDownPoints, lastSmoothDownPoint, dnPos, isEndPos);
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}
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else if (isSecond || isTurnBack ||
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(lastIsDown && IsInRightOrUp(isYAxis, lastDnPos, tp2)) ||
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(!lastIsDown && IsInRightOrUp(isYAxis, lastDnPos, tp1)))
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{
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isStart = true;
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CheckClipAndDrawPolygon(vh, stPos1, tp1, tp2, stPos2, lineColor, serie.clip);
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@@ -738,18 +748,21 @@ namespace XCharts
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}
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else
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{
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if (i == segment - 1)
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if (isEndPos)
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{
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if (np != nnp)
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{
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CheckClipAndDrawPolygon(vh, ltp1, upPos1, dnPos, ltp2, lineColor, serie.clip);
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CheckClipAndDrawTriangle(vh, upPos1, upPos2, dnPos, lineColor, serie.clip);
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}
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else CheckClipAndDrawPolygon(vh, ltp1, upPos1, upPos2, ltp2, lineColor, serie.clip);
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else
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{
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CheckClipAndDrawPolygon(vh, ltp1, upPos1, upPos2, ltp2, lineColor, serie.clip);
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}
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}
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else
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{
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if ((isYAxis && tp2.y < dnPos.y) || (!isYAxis && tp2.x < dnPos.x) || IsValue())
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if (IsInRightOrUp(isYAxis, tp2, dnPos) || isTurnBack)
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{
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CheckClipAndDrawLine(vh, start, cp, serie.lineStyle.width, lineColor, serie.clip);
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}
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@@ -760,12 +773,14 @@ namespace XCharts
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i = segment;
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}
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}
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}
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}
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if (IsValue() || (IsInRightOrUp(isYAxis, tp1, dnPos) && IsInRightOrUp(isYAxis, lastDnPos, tp1)))
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smoothPoints.Add(tp1);
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if (IsValue() || (IsInRightOrUp(isYAxis, tp2, dnPos) && IsInRightOrUp(isYAxis, stPos2, tp2)))
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smoothDownPoints.Add(tp2);
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if (!isShort)
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{
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TryAddToList(isTurnBack, isYAxis, smoothPoints, lastSmoothPoint, tp1, isEndPos);
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TryAddToList(isTurnBack, isYAxis, smoothDownPoints, lastSmoothDownPoint, tp2, isEndPos);
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}
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}
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else
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{
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@@ -773,9 +788,24 @@ namespace XCharts
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{
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if (!isStart)
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{
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if (isSecond || IsValue() ||
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(lastIsDown && ((isYAxis && tp2.y > lastDnPos.y) || (!isYAxis && tp2.x > lastDnPos.x))) ||
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(!lastIsDown && ((isYAxis && tp1.y > lastDnPos.y) || (!isYAxis && tp1.x > lastDnPos.x))))
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if (isEndPos)
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{
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isStart = true;
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isShort = true;
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if (np == nnp)
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CheckClipAndDrawPolygon(vh, stPos1, dnPos, upPos2, stPos2, lineColor, serie.clip);
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else
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{
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CheckClipAndDrawPolygon(vh, stPos1, dnPos, upPos1, stPos2, lineColor, serie.clip);
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CheckClipAndDrawTriangle(vh, dnPos, upPos1, upPos2, lineColor, serie.clip);
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}
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TryAddToList(isTurnBack, isYAxis, smoothPoints, lastSmoothPoint, dnPos, isEndPos);
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TryAddToList(isTurnBack, isYAxis, smoothDownPoints, lastSmoothDownPoint, stPos2, isEndPos);
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TryAddToList(isTurnBack, isYAxis, smoothDownPoints, lastSmoothDownPoint, upPos2, isEndPos);
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}
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else if (isSecond || isTurnBack ||
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(lastIsDown && IsInRightOrUp(isYAxis, lastDnPos, tp2)) ||
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(!lastIsDown && IsInRightOrUp(isYAxis, lastDnPos, tp1)))
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{
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isStart = true;
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if (stPos2 != Vector3.zero)
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@@ -786,7 +816,7 @@ namespace XCharts
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}
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else
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{
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if (i == segment - 1)
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if (isEndPos)
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{
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if (np != nnp)
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{
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@@ -797,7 +827,7 @@ namespace XCharts
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}
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else
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{
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if ((isYAxis && tp1.y < dnPos.y) || (!isYAxis && tp1.x < dnPos.x) || IsValue())
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if (IsInRightOrUp(isYAxis, tp1, dnPos) || isTurnBack)
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{
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CheckClipAndDrawLine(vh, start, cp, serie.lineStyle.width, lineColor, serie.clip);
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}
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@@ -810,43 +840,43 @@ namespace XCharts
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}
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}
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}
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if (IsValue() || (IsInRightOrUp(isYAxis, tp1, dnPos) && IsInRightOrUp(isYAxis, lastDnPos, tp1)))
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smoothPoints.Add(tp1);
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if (IsValue() || IsInRightOrUp(isYAxis, lastDnPos, tp2))
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smoothDownPoints.Add(tp2);
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if (!isShort)
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{
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TryAddToList(isTurnBack, isYAxis, smoothPoints, lastSmoothPoint, tp1, isEndPos);
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TryAddToList(isTurnBack, isYAxis, smoothDownPoints, lastSmoothDownPoint, tp2, isEndPos);
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}
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}
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start = cp;
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ltp1 = tp1;
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ltp2 = tp2;
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}
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if (!isBreak)
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if (!isBreak && !isShort)
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{
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if (isDown)
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{
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smoothPoints.Add(upPos1);
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smoothPoints.Add(upPos2);
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smoothDownPoints.Add(dnPos);
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TryAddToList(isTurnBack, isYAxis, smoothPoints, lastSmoothPoint, upPos1, true);
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TryAddToList(isTurnBack, isYAxis, smoothPoints, lastSmoothPoint, upPos2, true);
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TryAddToList(isTurnBack, isYAxis, smoothDownPoints, lastSmoothDownPoint, dnPos, true);
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}
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else
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{
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smoothPoints.Add(dnPos);
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TryAddToList(isTurnBack, isYAxis, smoothPoints, lastSmoothPoint, dnPos, true);
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if (isYAxis)
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{
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smoothDownPoints.Add(isTheLastPos ? upPos1 : upPos2);
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smoothDownPoints.Add(isTheLastPos ? upPos2 : upPos1);
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TryAddToList(isTurnBack, isYAxis, smoothDownPoints, lastSmoothDownPoint, isTheLastPos ? upPos1 : upPos2, true);
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TryAddToList(isTurnBack, isYAxis, smoothDownPoints, lastSmoothDownPoint, isTheLastPos ? upPos2 : upPos1, true);
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}
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else
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{
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if (isTheLastPos)
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{
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smoothDownPoints.Add(upPos2);
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if (IsInRightOrUp(isYAxis, upPos2, upPos1))
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smoothDownPoints.Add(upPos1);
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TryAddToList(isTurnBack, isYAxis, smoothDownPoints, lastSmoothDownPoint, upPos2, true);
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TryAddToList(isTurnBack, isYAxis, smoothDownPoints, lastSmoothDownPoint, upPos1, true);
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}
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else
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{
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smoothDownPoints.Add(upPos1);
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smoothDownPoints.Add(upPos2);
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TryAddToList(isTurnBack, isYAxis, smoothDownPoints, lastSmoothDownPoint, upPos1, true);
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TryAddToList(isTurnBack, isYAxis, smoothDownPoints, lastSmoothDownPoint, upPos2, true);
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}
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}
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}
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@@ -993,6 +1023,35 @@ namespace XCharts
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return !isBreak;
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}
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private bool TryAddToList(bool isTurnBack, bool isYAxis, List<Vector3> list, Vector3 lastPos, Vector3 pos, bool ignoreClose = false)
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{
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if (pos == Vector3.zero) return false;
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if (isTurnBack)
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{
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list.Add(pos);
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return true;
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}
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else if (lastPos != Vector3.zero && IsInRightOrUp(isYAxis, pos, lastPos))
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{
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return false;
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}
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else if (list.Count <= 0)
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{
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list.Add(pos);
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return true;
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}
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else
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{
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var end = list[list.Count - 1];
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if (IsInRightOrUp(isYAxis, end, pos) && (!ignoreClose || !WasTooClose(isYAxis, end, pos, ignoreClose)))
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{
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list.Add(pos);
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return true;
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}
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}
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return false;
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}
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private void CheckLineGradientColor(Vector3 cp, ItemStyle itemStyle, Axis axis, Color defaultLineColor, ref Color lineColor)
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{
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if (VisualMapHelper.IsNeedGradient(m_VisualMap))
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@@ -1001,24 +1060,19 @@ namespace XCharts
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lineColor = VisualMapHelper.GetItemStyleGradientColor(itemStyle, cp, this, axis, defaultLineColor);
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}
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private bool IsInRightOrUp(bool isYAxis, bool isLastDown, Vector3 dnPos, Vector3 checkPos)
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{
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if ((isLastDown && ((isYAxis && checkPos.y <= dnPos.y) || (!isYAxis && checkPos.x <= dnPos.x))) ||
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(!isLastDown && ((isYAxis && checkPos.y <= dnPos.y) || (!isYAxis && checkPos.x <= dnPos.x))))
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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private bool IsInRightOrUp(bool isYAxis, Vector3 lp, Vector3 rp)
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{
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return lp == Vector3.zero || ((isYAxis && rp.y > lp.y) || (!isYAxis && rp.x > lp.x));
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}
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private bool WasTooClose(bool isYAxis, Vector3 lp, Vector3 rp, bool ignore)
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{
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if (ignore) return false;
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if (lp == Vector3.zero || rp == Vector3.zero) return false;
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if (isYAxis) return Mathf.Abs(rp.y - lp.y) < 1f;
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else return Mathf.Abs(rp.x - lp.x) < 1f;
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}
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private void DrawPolygonToZero(VertexHelper vh, Vector3 sp, Vector3 ep, Axis axis, Vector3 zeroPos,
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Color areaColor, Color areaToColor, Vector3 areaDiff, bool clip = false)
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{
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@@ -1100,9 +1154,19 @@ namespace XCharts
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{
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var defaultLineColor = lineColor;
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bool isYAxis = xAxis is YAxis;
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var isTurnBack = IsInRightOrUp(isYAxis, np, lp);
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var lineWidth = serie.lineStyle.width;
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var smoothPoints = serie.GetUpSmoothList(dataIndex);
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var smoothDownPoints = serie.GetDownSmoothList(dataIndex);
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var lastSmoothPoint = Vector3.zero;
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var lastSmoothDownPoint = Vector3.zero;
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if (dataIndex > startIndex)
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{
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lastSmoothPoint = ChartHelper.GetLastPoint(serie.GetUpSmoothList(dataIndex - 1));
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lastSmoothDownPoint = ChartHelper.GetLastPoint(serie.GetDownSmoothList(dataIndex - 1));
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TryAddToList(isTurnBack, isYAxis, smoothPoints, lastSmoothPoint, lastSmoothPoint, true);
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TryAddToList(isTurnBack, isYAxis, smoothDownPoints, lastSmoothDownPoint, lastSmoothDownPoint, true);
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}
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if (isYAxis) ChartHelper.GetBezierListVertical(ref bezierPoints, lp, np, m_Settings.lineSmoothness, m_Settings.lineSmoothStyle);
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else ChartHelper.GetBezierList(ref bezierPoints, lp, np, llp, nnp, m_Settings.lineSmoothness, m_Settings.lineSmoothStyle);
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@@ -1139,21 +1203,21 @@ namespace XCharts
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CheckLineGradientColor(lp, serie.itemStyle, xAxis, defaultLineColor, ref lineColor);
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CheckClipAndDrawTriangle(vh, smoothStartPosUp, startUp, lp, lineColor, serie.clip);
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CheckClipAndDrawTriangle(vh, smoothStartPosDn, startDn, lp, lineColor, serie.clip);
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TryAddToList(isTurnBack, isYAxis, smoothPoints, lastSmoothPoint, smoothStartPosUp, false);
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TryAddToList(isTurnBack, isYAxis, smoothDownPoints, lastSmoothDownPoint, smoothStartPosDn, false);
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}
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smoothPoints.Add(smoothStartPosUp);
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smoothDownPoints.Add(smoothStartPosDn);
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}
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}
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else
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{
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smoothPoints.Add(startUp);
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smoothDownPoints.Add(startDn);
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TryAddToList(isTurnBack, isYAxis, smoothPoints, lastSmoothPoint, startUp, false);
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TryAddToList(isTurnBack, isYAxis, smoothDownPoints, lastSmoothDownPoint, startDn, false);
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}
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var sourAreaColor = areaColor;
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var lastAreaDownEndPos = GetLastSmoothPos(serie.GetDownSmoothList(dataIndex - 1), isYAxis);
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var lastAreaUpEndPos = GetLastSmoothPos(serie.GetUpSmoothList(dataIndex - 1), isYAxis);
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for (int k = 1; k < bezierPoints.Count; k++)
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var bezierPointsCount = bezierPoints.Count;
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for (int k = 1; k < bezierPointsCount; k++)
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{
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var isEndPos = k == bezierPointsCount - 1;
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to = bezierPoints[k];
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if (serie.animation.CheckDetailBreak(to, isYAxis))
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{
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@@ -1168,60 +1232,46 @@ namespace XCharts
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CheckLineGradientColor(to, serie.itemStyle, xAxis, defaultLineColor, ref lineColor);
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if (isYAxis) CheckClipAndDrawPolygon(vh, startDn, toDn, toUp, startUp, lineColor, serie.clip);
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else CheckClipAndDrawPolygon(vh, startUp, toUp, toDn, startDn, lineColor, serie.clip);
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smoothPoints.Add(toUp);
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smoothDownPoints.Add(toDn);
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if (k == bezierPoints.Count - 1)
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TryAddToList(isTurnBack, isYAxis, smoothPoints, lastSmoothPoint, toUp, true);
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TryAddToList(isTurnBack, isYAxis, smoothDownPoints, lastSmoothDownPoint, toDn, true);
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if (isEndPos)
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{
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smoothStartPosUp = toUp;
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smoothStartPosDn = toDn;
|
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}
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if (serie.areaStyle.show && (serie.index == 0 || !isStack))
|
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{
|
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var isAllLessthen0 = IsAllLessthen0(isYAxis, zeroPos, start, to);
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areaColor = isYAxis ? GetYLerpColor(sourAreaColor, areaToColor, start) : GetXLerpColor(sourAreaColor, areaToColor, start);
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if (startAreaDn == Vector3.zero)
|
||||
{
|
||||
if (IsInRightOrUp(isYAxis, lastAreaDownEndPos, startDn) && IsInRightOrUp(isYAxis, lastAreaDownEndPos, toDn))
|
||||
{
|
||||
startAreaDn = startDn;
|
||||
if (lastAreaDownEndPos != Vector3.zero && !isAllLessthen0)
|
||||
{
|
||||
DrawPolygonToZero(vh, lastAreaDownEndPos, startAreaDn, xAxis, zeroPos, areaColor, areaToColor, Vector3.zero);
|
||||
}
|
||||
}
|
||||
}
|
||||
if (startAreaUp == Vector3.zero)
|
||||
{
|
||||
if (IsInRightOrUp(isYAxis, lastAreaUpEndPos, startUp) && IsInRightOrUp(isYAxis, lastAreaUpEndPos, toUp))
|
||||
{
|
||||
startAreaUp = startUp;
|
||||
if (lastAreaUpEndPos != Vector3.zero && isAllLessthen0)
|
||||
{
|
||||
DrawPolygonToZero(vh, lastAreaUpEndPos, startAreaUp, xAxis, zeroPos, areaColor, areaToColor, Vector3.zero);
|
||||
}
|
||||
}
|
||||
}
|
||||
if (startAreaDn != Vector3.zero)
|
||||
{
|
||||
if (!isAllLessthen0 && IsInRightOrUp(isYAxis, startAreaDn, toDn))
|
||||
{
|
||||
DrawPolygonToZero(vh, startAreaDn, toDn, xAxis, zeroPos, areaColor, areaToColor, Vector3.zero);
|
||||
}
|
||||
startAreaDn = toDn;
|
||||
}
|
||||
if (startAreaUp != Vector3.zero)
|
||||
{
|
||||
if (isAllLessthen0 && IsInRightOrUp(isYAxis, startAreaUp, toUp))
|
||||
{
|
||||
DrawPolygonToZero(vh, startAreaUp, toUp, xAxis, zeroPos, areaColor, areaToColor, Vector3.zero);
|
||||
}
|
||||
startAreaUp = toUp;
|
||||
}
|
||||
}
|
||||
start = to;
|
||||
startUp = toUp;
|
||||
startDn = toDn;
|
||||
}
|
||||
if (serie.areaStyle.show && (serie.index == 0 || !isStack))
|
||||
{
|
||||
if (smoothDownPoints.Count > 0)
|
||||
{
|
||||
start = smoothDownPoints[0];
|
||||
for (int i = 1; i < smoothDownPoints.Count; i++)
|
||||
{
|
||||
to = smoothDownPoints[i];
|
||||
if (IsInRightOrUp(!isYAxis, zeroPos, to))
|
||||
{
|
||||
DrawPolygonToZero(vh, start, to, xAxis, zeroPos, areaColor, areaToColor, Vector3.zero);
|
||||
}
|
||||
start = to;
|
||||
}
|
||||
}
|
||||
if (smoothPoints.Count > 0)
|
||||
{
|
||||
start = smoothPoints[smoothPoints.Count - 1];
|
||||
for (int i = smoothPoints.Count - 1; i >= 0; i--)
|
||||
{
|
||||
to = smoothPoints[i];
|
||||
if (!IsInRightOrUp(!isYAxis, zeroPos, to))
|
||||
{
|
||||
DrawPolygonToZero(vh, to, start, xAxis, zeroPos, areaColor, areaToColor, Vector3.zero);
|
||||
}
|
||||
start = to;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (serie.areaStyle.show)
|
||||
{
|
||||
|
||||
Reference in New Issue
Block a user