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feat: support legend render function

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This commit is contained in:
vicanso 2022-01-29 16:35:45 +08:00
parent ffbda8f214
commit c4b5ac3f42
5 changed files with 140 additions and 10 deletions
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12
line_chart.go
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@ -53,7 +53,13 @@ func NewLineChart(opt LineChartOption) (*Draw, error) {
}
// 标题
_, titleHeight, err := drawTitle(d, &opt.Title)
titleBox, err := drawTitle(d, &opt.Title)
if err != nil {
return nil, err
}
opt.Legend.Style.Padding.Left += titleBox.Right
_, err = drawLegend(d, &opt.Legend, &theme)
if err != nil {
return nil, err
}
@ -66,7 +72,7 @@ func NewLineChart(opt LineChartOption) (*Draw, error) {
// 暂时仅支持单一yaxis
yRange, err := drawYAxis(d, &opt.ChartOption, &theme, xAxisHeight, chart.Box{
Top: titleHeight,
Top: titleBox.Height(),
})
if err != nil {
return nil, err
@ -75,7 +81,7 @@ func NewLineChart(opt LineChartOption) (*Draw, error) {
sd, err := NewDraw(DrawOption{
Parent: d,
}, PaddingOption(chart.Box{
Top: titleHeight,
Top: titleBox.Height(),
Left: YAxisWidth,
}))
if err != nil {