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fix: fix multi line legend

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This commit is contained in:
vicanso 2022-07-11 20:20:41 +08:00
parent 959377542e
commit 805f4381a3
5 changed files with 21 additions and 9 deletions
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9
charts.go
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@ -25,6 +25,8 @@ package charts
import (
"errors"
"sort"
"github.com/wcharczuk/go-chart/v2"
)
const labelFontSize = 10
@ -110,14 +112,16 @@ func defaultRender(p *Painter, opt defaultRenderOption) (*defaultRenderResult, e
p = p.Child(PainterPaddingOption(opt.Padding))
}
legendHeight := 0
if len(opt.LegendOption.Data) != 0 {
if opt.LegendOption.Theme == nil {
opt.LegendOption.Theme = opt.Theme
}
_, err := NewLegendPainter(p, opt.LegendOption).Render()
legendResult, err := NewLegendPainter(p, opt.LegendOption).Render()
if err != nil {
return nil, err
}
legendHeight = legendResult.Height()
}
// 如果有标题
@ -131,9 +135,10 @@ func defaultRender(p *Painter, opt defaultRenderOption) (*defaultRenderResult, e
if err != nil {
return nil, err
}
p = p.Child(PainterPaddingOption(Box{
// 标题下留白
Top: titleBox.Height() + 20,
Top: chart.MaxInt(legendHeight, titleBox.Height()) + 20,
}))
}