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test: add test for legend, series and theme

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This commit is contained in:
vicanso 2021-12-23 23:20:20 +08:00
parent a128a2513c
commit c289ba7cde
11 changed files with 828 additions and 43 deletions
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2
legend.go
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@ -87,6 +87,7 @@ func LegendCustomize(series []chart.Series, opt LegendOption) chart.Renderable {
var labels []string
var lines []chart.Style
// 计算label和lines
for _, s := range series {
if !s.GetStyle().Hidden {
if _, isAnnotationSeries := s.(chart.AnnotationSeries); !isAnnotationSeries {
@ -100,6 +101,7 @@ func LegendCustomize(series []chart.Series, opt LegendOption) chart.Renderable {
var textWidth int
var textBox chart.Box
labelWidth := 0
// 计算文本宽度与高度（取最大值）
for x := 0; x < len(labels); x++ {
if len(labels[x]) > 0 {
textBox = r.MeasureText(labels[x])