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优化柱状图的渐变色效果

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This commit is contained in:
monitor1394
2020-05-27 09:09:45 +08:00
parent 1df4ffc8e7
commit 36af48adaa
3 changed files with 282 additions and 87 deletions
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73
Runtime/Internal/CoordinateChart_DrawBar.cs
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@@ -378,6 +378,7 @@ namespace XCharts
DrawBarBackground(vh, serie, serieData, itemStyle, colorIndex, highlight, pX, pY, space, barWidth, isYAxis);
var borderWidth = itemStyle.runtimeBorderWidth;
var radius = barWidth / 2 - borderWidth;
var isGradient = !ChartHelper.IsValueEqualsColor(areaColor, areaToColor);
if (isYAxis)
{
var diff = Vector3.right * radius;
@@ -387,9 +388,21 @@ namespace XCharts
var pcr = (prt + prb) / 2 - diff;
if (pcr.x > pcl.x)
{
CheckClipAndDrawPolygon(vh, plb + diff, plt + diff, prt - diff, prb - diff, areaColor, areaToColor, serie.clip);
ChartDrawer.DrawSector(vh, pcl, radius, areaColor, 180, 360);
ChartDrawer.DrawSector(vh, pcr, radius, areaToColor, 0, 180);
if (isGradient)
{
var barLen = prt.x - plt.x;
var rectStartColor = Color.Lerp(areaColor, areaToColor, radius / barLen);
var rectEndColor = Color.Lerp(areaColor, areaToColor, (barLen - radius) / barLen);
CheckClipAndDrawPolygon(vh, plb + diff, plt + diff, prt - diff, prb - diff, rectStartColor, rectEndColor, serie.clip);
ChartDrawer.DrawSector(vh, pcl, radius, areaColor, rectStartColor, 180, 360, 1, isYAxis);
ChartDrawer.DrawSector(vh, pcr, radius, rectEndColor, areaToColor, 0, 180, 1, isYAxis);
}
else
{
CheckClipAndDrawPolygon(vh, plb + diff, plt + diff, prt - diff, prb - diff, areaColor, areaToColor, serie.clip);
ChartDrawer.DrawSector(vh, pcl, radius, areaColor, 180, 360);
ChartDrawer.DrawSector(vh, pcr, radius, areaToColor, 0, 180);
}
}
}
else if (plt.x > prt.x)
@@ -398,9 +411,21 @@ namespace XCharts
var pcr = (prt + prb) / 2 + diff;
if (pcr.x < pcl.x)
{
CheckClipAndDrawPolygon(vh, plb - diff, plt - diff, prt + diff, prb + diff, areaColor, areaToColor, serie.clip);
ChartDrawer.DrawSector(vh, pcl, radius, areaColor, 0, 180);
ChartDrawer.DrawSector(vh, pcr, radius, areaToColor, 180, 360);
if (isGradient)
{
var barLen = plt.x - prt.x;
var rectStartColor = Color.Lerp(areaColor, areaToColor, radius / barLen);
var rectEndColor = Color.Lerp(areaColor, areaToColor, (barLen - radius) / barLen);
CheckClipAndDrawPolygon(vh, plb - diff, plt - diff, prt + diff, prb + diff, rectStartColor, rectEndColor, serie.clip);
ChartDrawer.DrawSector(vh, pcl, radius, rectStartColor, areaColor, 0, 180, 1, isYAxis);
ChartDrawer.DrawSector(vh, pcr, radius, areaToColor, rectEndColor, 180, 360, 1, isYAxis);
}
else
{
CheckClipAndDrawPolygon(vh, plb - diff, plt - diff, prt + diff, prb + diff, areaColor, areaToColor, serie.clip);
ChartDrawer.DrawSector(vh, pcl, radius, areaColor, 0, 180);
ChartDrawer.DrawSector(vh, pcr, radius, areaToColor, 180, 360);
}
}
}
}
@@ -413,9 +438,21 @@ namespace XCharts
var pcb = (plb + prb) / 2 + diff;
if (pct.y > pcb.y)
{
CheckClipAndDrawPolygon(vh, prb + diff, plb + diff, plt - diff, prt - diff, areaColor, areaToColor, serie.clip);
ChartDrawer.DrawSector(vh, pct, radius, areaToColor, 270, 450);
ChartDrawer.DrawSector(vh, pcb, radius, areaColor, 90, 270);
if (isGradient)
{
var barLen = plt.y - plb.y;
var rectStartColor = Color.Lerp(areaColor, areaToColor, radius / barLen);
var rectEndColor = Color.Lerp(areaColor, areaToColor, (barLen - radius) / barLen);
CheckClipAndDrawPolygon(vh, prb + diff, plb + diff, plt - diff, prt - diff, rectStartColor, rectEndColor, serie.clip);
ChartDrawer.DrawSector(vh, pct, radius, rectEndColor, areaToColor, 270, 450, 1, isYAxis);
ChartDrawer.DrawSector(vh, pcb, radius, rectStartColor, areaColor, 90, 270, 1, isYAxis);
}
else
{
CheckClipAndDrawPolygon(vh, prb + diff, plb + diff, plt - diff, prt - diff, areaColor, areaToColor, serie.clip);
ChartDrawer.DrawSector(vh, pct, radius, areaToColor, 270, 450);
ChartDrawer.DrawSector(vh, pcb, radius, areaColor, 90, 270);
}
}
}
else if (plt.y < plb.y)
@@ -424,9 +461,21 @@ namespace XCharts
var pcb = (plb + prb) / 2 - diff;
if (pct.y < pcb.y)
{
CheckClipAndDrawPolygon(vh, prb - diff, plb - diff, plt + diff, prt + diff, areaColor, areaToColor, serie.clip);
ChartDrawer.DrawSector(vh, pct, radius, areaToColor, 90, 270);
ChartDrawer.DrawSector(vh, pcb, radius, areaColor, 270, 450);
if (isGradient)
{
var barLen = plb.y - plt.y;
var rectStartColor = Color.Lerp(areaColor, areaToColor, radius / barLen);
var rectEndColor = Color.Lerp(areaColor, areaToColor, (barLen - radius) / barLen);
CheckClipAndDrawPolygon(vh, prb - diff, plb - diff, plt + diff, prt + diff, rectStartColor, rectEndColor, serie.clip);
ChartDrawer.DrawSector(vh, pct, radius, rectEndColor, areaToColor, 90, 270, 1, isYAxis);
ChartDrawer.DrawSector(vh, pcb, radius, rectStartColor, areaColor, 270, 450, 1, isYAxis);
}
else
{
CheckClipAndDrawPolygon(vh, prb - diff, plb - diff, plt + diff, prt + diff, areaColor, areaToColor, serie.clip);
ChartDrawer.DrawSector(vh, pct, radius, areaToColor, 90, 270);
ChartDrawer.DrawSector(vh, pcb, radius, areaColor, 270, 450);
}
}
}
}