修复LineChart有数据为0时区域图绘制可能异常的问题

This commit is contained in:
monitor1394
2019-09-16 19:18:36 +08:00
parent f1d7041108
commit 1427e79c3d

View File

@@ -525,24 +525,19 @@ namespace XCharts
var points = ((isYAxis && lp.x < zeroPos.x) || (!isYAxis && lp.y < zeroPos.y)) ? smoothPoints : smoothDownPoints; var points = ((isYAxis && lp.x < zeroPos.x) || (!isYAxis && lp.y < zeroPos.y)) ? smoothPoints : smoothDownPoints;
Vector3 aep = isYAxis ? new Vector3(zeroPos.x, zeroPos.y + coordinateHig) : new Vector3(zeroPos.x + coordinateWid, zeroPos.y); Vector3 aep = isYAxis ? new Vector3(zeroPos.x, zeroPos.y + coordinateHig) : new Vector3(zeroPos.x + coordinateWid, zeroPos.y);
var cross = ChartHelper.GetIntersection(points[0], points[points.Count - 1], zeroPos, aep); var cross = ChartHelper.GetIntersection(points[0], points[points.Count - 1], zeroPos, aep);
var isZeroValue = (isYAxis && cross.x == zeroPos.x) || (!isYAxis && cross.y == zeroPos.y); if (cross == Vector3.zero || smoothDownPoints.Count <= 3)
if (cross == Vector3.zero || isZeroValue)
{ {
Vector3 sp = points[0]; Vector3 sp = points[0];
Vector3 ep; Vector3 ep;
for (int i = 1; i < points.Count; i++) for (int i = 1; i < points.Count; i++)
{ {
ep = points[i]; ep = points[i];
if(isZeroValue && i == 1){
sp = ep;
continue;
}
if (serie.animation.CheckDetailBreak(ep, isYAxis)) break; if (serie.animation.CheckDetailBreak(ep, isYAxis)) break;
DrawPolygonToZero(vh, sp, ep, axis, zeroPos, areaColor, areaToColor, Vector3.zero); DrawPolygonToZero(vh, sp, ep, axis, zeroPos, areaColor, areaToColor, Vector3.zero);
sp = ep; sp = ep;
} }
} }
else if (smoothDownPoints.Count > 3) else
{ {
var sp1 = smoothDownPoints[1]; var sp1 = smoothDownPoints[1];
var ep1 = smoothDownPoints[smoothDownPoints.Count - 2]; var ep1 = smoothDownPoints[smoothDownPoints.Count - 2];
@@ -554,9 +549,23 @@ namespace XCharts
var ldPos = ChartHelper.GetIntersection(sp1, ep1, axisDownStart, axisDownEnd); var ldPos = ChartHelper.GetIntersection(sp1, ep1, axisDownStart, axisDownEnd);
sp1 = smoothPoints[1]; sp1 = smoothPoints[1];
ep1 = smoothPoints[smoothPoints.Count - 2]; ep1 = smoothPoints[smoothPoints.Count - 2];
var ruPos = ChartHelper.GetIntersection(sp1, ep1, axisUpStart, axisUpEnd); var ruPos = ChartHelper.GetIntersection(sp1, ep1, axisUpStart, axisUpEnd);
var rdPos = ChartHelper.GetIntersection(sp1, ep1, axisDownStart, axisDownEnd); var rdPos = ChartHelper.GetIntersection(sp1, ep1, axisDownStart, axisDownEnd);
Vector3 sp, ep; Vector3 sp, ep;
if (luPos == Vector3.zero || ldPos == Vector3.zero || ruPos == Vector3.zero || rdPos == Vector3.zero)
{
sp = points[0];
for (int i = 1; i < points.Count; i++)
{
ep = points[i];
if (serie.animation.CheckDetailBreak(ep, isYAxis)) break;
DrawPolygonToZero(vh, sp, ep, axis, zeroPos, areaColor, areaToColor, Vector3.zero);
sp = ep;
}
}
else
{
if ((isYAxis && lp.x >= zeroPos.x) || (!isYAxis && lp.y >= zeroPos.y)) if ((isYAxis && lp.x >= zeroPos.x) || (!isYAxis && lp.y >= zeroPos.y))
{ {
sp = smoothDownPoints[0]; sp = smoothDownPoints[0];
@@ -652,6 +661,7 @@ namespace XCharts
} }
} }
} }
}
stPos1 = isDown ? upPos2 : dnPos; stPos1 = isDown ? upPos2 : dnPos;
stPos2 = isDown ? dnPos : upPos2; stPos2 = isDown ? dnPos : upPos2;
lastDnPos = dnPos; lastDnPos = dnPos;