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feat: support bar height for horizontal bar chart

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This commit is contained in:
vicanso 2022-09-29 20:20:54 +08:00
parent 0a80e7056f
commit 6652ece0fe
4 changed files with 11 additions and 3 deletions
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9
horizontal_bar_chart.go
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@ -48,7 +48,8 @@ type HorizontalBarChartOption struct {
// The option of title
Title TitleOption
// The legend option
Legend LegendOption
Legend LegendOption
BarHeight int
}
// NewHorizontalBarChart returns a horizontal bar chart renderer
@ -82,7 +83,11 @@ func (h *horizontalBarChart) render(result *defaultRenderResult, seriesList Seri
}
seriesCount := len(seriesList)
// 总的高度-两个margin-(总数-1)的barMargin
barHeight := (height - 2*margin - barMargin*(seriesCount-1)) / len(seriesList)
barHeight := (height - 2*margin - barMargin*(seriesCount-1)) / seriesCount
if opt.BarHeight > 0 && opt.BarHeight < barHeight {
barHeight = opt.BarHeight
margin = (height - seriesCount*barHeight - barMargin*(seriesCount-1)) / 2
}
theme := opt.Theme