From 6284447d22b482476d6139b505c9855fbcb9f1ab Mon Sep 17 00:00:00 2001 From: Alejandro Torreblanca Date: Wed, 30 Nov 2022 09:53:02 +0100 Subject: [PATCH] Fix donut chart when there is only one element --- donut_chart.go | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/donut_chart.go b/donut_chart.go index f5a7854..a41eb22 100644 --- a/donut_chart.go +++ b/donut_chart.go @@ -132,9 +132,16 @@ func (pc DonutChart) drawSlices(r Renderer, canvasBox Box, values []Value) { var lx, ly int if len(values) == 1 { - pc.styleDonutChartValue(0).WriteToRenderer(r) + v := Value{Value: 100, Label: "center"} + styletemp := pc.SliceStyle.InheritFrom(Style{ + StrokeColor: values[0].Style.FillColor, StrokeWidth: 4.0, FillColor: values[0].Style.FillColor, FontColor: values[0].Style.FillColor, + }) + v.Style.InheritFrom(styletemp).WriteToRenderer(r) r.MoveTo(cx, cy) - r.Circle(radius, cx, cy) + r.ArcTo(cx, cy, (radius / 1.25), (radius / 1.25), DegreesToRadians(0), DegreesToRadians(359)) + r.LineTo(cx, cy) + r.Close() + r.FillStroke() } else { for index, v := range values { v.Style.InheritFrom(pc.styleDonutChartValue(index)).WriteToRenderer(r)