p71924506
/
excelize
forked from p30928647/excelize
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Fix #554, init combo chart support, new chart pie of pie, bar of pie chart support

This commit is contained in:
xuri 2020-01-14 00:33:36 +08:00
parent 5ca7231ed4
commit 9ddb52eac4
3 changed files with 136 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

109
chart.go
View File

@ -16,6 +16,7 @@ import (
"errors"
"io"
"log"
"reflect"
"strconv"
"strings"
)
@ -66,6 +67,8 @@ const (
Line = "line"
Pie = "pie"
Pie3D = "pie3D"
PieOfPieChart = "pieOfPie"
BarOfPieChart = "barOfPie"
Radar = "radar"
Scatter = "scatter"
Surface3D = "surface3D"
@ -123,6 +126,8 @@ var (
Line: 0,
Pie: 0,
Pie3D: 30,
PieOfPieChart: 0,
BarOfPieChart: 0,
Radar: 0,
Scatter: 0,
Surface3D: 15,
@ -175,6 +180,8 @@ var (
Line: 0,
Pie: 0,
Pie3D: 0,
PieOfPieChart: 0,
BarOfPieChart: 0,
Radar: 0,
Scatter: 0,
Surface3D: 20,
@ -237,6 +244,8 @@ var (
Line: 0,
Pie: 0,
Pie3D: 0,
PieOfPieChart: 0,
BarOfPieChart: 0,
Radar: 0,
Scatter: 0,
Surface3D: 0,
@ -297,6 +306,8 @@ var (
Line: "General",
Pie: "General",
Pie3D: "General",
PieOfPieChart: "General",
BarOfPieChart: "General",
Radar: "General",
Scatter: "General",
Surface3D: "General",
@ -351,6 +362,8 @@ var (
Line: "between",
Pie: "between",
Pie3D: "between",
PieOfPieChart: "between",
BarOfPieChart: "between",
Radar: "between",
Scatter: "between",
Surface3D: "midCat",
@ -491,7 +504,7 @@ func parseFormatChartSet(formatSet string) (*formatChart, error) {
// AddChart provides the method to add chart in a sheet by given chart format
// set (such as offset, scale, aspect ratio setting and print settings) and
// properties set. For example, create 3D clustered column chart with data
// Sheet1!$A$29:$D$32:
// Sheet1!$E$1:$L$15:
//
// package main
//
@ -507,12 +520,12 @@ func parseFormatChartSet(formatSet string) (*formatChart, error) {
// for k, v := range values {
// f.SetCellValue("Sheet1", k, v)
// }
// if err := f.AddChart("Sheet1", "E1", `{"type":"col3DClustered","dimension":{"width":640,"height":480},"series":[{"name":"Sheet1!$A$2","categories":"Sheet1!$B$1:$D$1","values":"Sheet1!$B$2:$D$2"},{"name":"Sheet1!$A$3","categories":"Sheet1!$B$1:$D$1","values":"Sheet1!$B$3:$D$3"},{"name":"Sheet1!$A$4","categories":"Sheet1!$B$1:$D$1","values":"Sheet1!$B$4:$D$4"}],"format":{"x_scale":1.0,"y_scale":1.0,"x_offset":15,"y_offset":10,"print_obj":true,"lock_aspect_ratio":false,"locked":false},"legend":{"position":"bottom","show_legend_key":false},"title":{"name":"Fruit 3D Clustered Column Chart"},"plotarea":{"show_bubble_size":true,"show_cat_name":false,"show_leader_lines":false,"show_percent":true,"show_series_name":true,"show_val":true},"show_blanks_as":"zero","x_axis":{"reverse_order":true},"y_axis":{"maximum":7.5,"minimum":0.5}}`); err != nil {
// if err := f.AddChart("Sheet1", "E1", `{"type":"col3DClustered","series":[{"name":"Sheet1!$A$2","categories":"Sheet1!$B$1:$D$1","values":"Sheet1!$B$2:$D$2"},{"name":"Sheet1!$A$3","categories":"Sheet1!$B$1:$D$1","values":"Sheet1!$B$3:$D$3"},{"name":"Sheet1!$A$4","categories":"Sheet1!$B$1:$D$1","values":"Sheet1!$B$4:$D$4"}],"title":{"name":"Fruit 3D Clustered Column Chart"},"plotarea":{"show_bubble_size":true,"show_cat_name":false,"show_leader_lines":false,"show_percent":true,"show_series_name":true,"show_val":true},"show_blanks_as":"zero","x_axis":{"reverse_order":true},"y_axis":{"maximum":7.5,"minimum":0.5}}`); err != nil {
// println(err.Error())
// return
// }
// // Save xlsx file by the given path.
// if err := xlsx.SaveAs("Book1.xlsx"); err != nil {
// if err := f.SaveAs("Book1.xlsx"); err != nil {
// println(err.Error())
// }
// }
@ -565,6 +578,8 @@ func parseFormatChartSet(formatSet string) (*formatChart, error) {
// line | line chart
// pie | pie chart
// pie3D | 3D pie chart
// pieOfPie | pie of pie chart
// barOfPie | bar of pie chart
// radar | radar chart
// scatter | scatter chart
// surface3D | 3D surface chart
@ -681,6 +696,34 @@ func parseFormatChartSet(formatSet string) (*formatChart, error) {
//
// Set chart size by dimension property. The dimension property is optional. The default width is 480, and height is 290.
//
// combo: Specifies tha create a chart that combines two art types in a single
// chart. For example, create a clustered column - line chart with data
// Sheet1!$E$1:$L$15:
//
// package main
//
// import "github.com/360EntSecGroup-Skylar/excelize"
//
// func main() {
// categories := map[string]string{"A2": "Small", "A3": "Normal", "A4": "Large", "B1": "Apple", "C1": "Orange", "D1": "Pear"}
// values := map[string]int{"B2": 2, "C2": 3, "D2": 3, "B3": 5, "C3": 2, "D3": 4, "B4": 6, "C4": 7, "D4": 8}
// f := excelize.NewFile()
// for k, v := range categories {
// f.SetCellValue("Sheet1", k, v)
// }
// for k, v := range values {
// f.SetCellValue("Sheet1", k, v)
// }
// if err := f.AddChart("Sheet1", "E1", `{"type":"col","series":[{"name":"Sheet1!$A$2","categories":"","values":"Sheet1!$B$2:$D$2"},{"name":"Sheet1!$A$3","categories":"Sheet1!$B$1:$D$1","values":"Sheet1!$B$3:$D$3"}],"format":{"x_scale":1.0,"y_scale":1.0,"x_offset":15,"y_offset":10,"print_obj":true,"lock_aspect_ratio":false,"locked":false},"legend":{"position":"left","show_legend_key":false},"title":{"name":"Clustered Column - Line Chart"},"plotarea":{"show_bubble_size":true,"show_cat_name":false,"show_leader_lines":false,"show_percent":true,"show_series_name":true,"show_val":true},"combo":{"type":"line","series":[{"name":"Sheet1!$A$4","categories":"Sheet1!$B$1:$D$1","values":"Sheet1!$B$4:$D$4"}],"format":{"x_scale":1.0,"y_scale":1.0,"x_offset":15,"y_offset":10,"print_obj":true,"lock_aspect_ratio":false,"locked":false},"legend":{"position":"left","show_legend_key":false},"plotarea":{"show_bubble_size":true,"show_cat_name":false,"show_leader_lines":false,"show_percent":true,"show_series_name":true,"show_val":true}}}`); err != nil {
// println(err.Error())
// return
// }
// // Save xlsx file by the given path.
// if err := f.SaveAs("Book1.xlsx"); err != nil {
// println(err.Error())
// }
// }
//
func (f *File) AddChart(sheet, cell, format string) error {
formatSet, err := parseFormatChartSet(format)
if err != nil {
@ -915,6 +958,8 @@ func (f *File) addChart(formatSet *formatChart) {
Line: f.drawLineChart,
Pie3D: f.drawPie3DChart,
Pie: f.drawPieChart,
PieOfPieChart: f.drawPieOfPieChart,
BarOfPieChart: f.drawBarOfPieChart,
Radar: f.drawRadarChart,
Scatter: f.drawScatterChart,
Surface3D: f.drawSurface3DChart,
@ -924,8 +969,20 @@ func (f *File) addChart(formatSet *formatChart) {
Bubble: f.drawBaseChart,
Bubble3D: f.drawBaseChart,
}
xlsxChartSpace.Chart.PlotArea = plotAreaFunc[formatSet.Type](formatSet)
addChart := func(c, p *cPlotArea) {
immutable, mutable := reflect.ValueOf(c).Elem(), reflect.ValueOf(p).Elem()
for i := 0; i < mutable.NumField(); i++ {
field := mutable.Field(i)
if field.IsNil() {
continue
}
immutable.FieldByName(mutable.Type().Field(i).Name).Set(field)
}
}
addChart(xlsxChartSpace.Chart.PlotArea, plotAreaFunc[formatSet.Type](formatSet))
if formatSet.Combo != nil {
addChart(xlsxChartSpace.Chart.PlotArea, plotAreaFunc[formatSet.Combo.Type](formatSet.Combo))
}
chart, _ := xml.Marshal(xlsxChartSpace)
media := "xl/charts/chart" + strconv.Itoa(count+1) + ".xml"
f.saveFileList(media, chart)
@ -1246,6 +1303,40 @@ func (f *File) drawPie3DChart(formatSet *formatChart) *cPlotArea {
}
}
// drawPieOfPieChart provides a function to draw the c:plotArea element for
// pie chart by given format sets.
func (f *File) drawPieOfPieChart(formatSet *formatChart) *cPlotArea {
return &cPlotArea{
PieChart: &cCharts{
OfPieType: &attrValString{
Val: stringPtr("pie"),
},
VaryColors: &attrValBool{
Val: boolPtr(true),
},
Ser: f.drawChartSeries(formatSet),
SerLines: &attrValString{},
},
}
}
// drawBarOfPieChart provides a function to draw the c:plotArea element for
// pie chart by given format sets.
func (f *File) drawBarOfPieChart(formatSet *formatChart) *cPlotArea {
return &cPlotArea{
PieChart: &cCharts{
OfPieType: &attrValString{
Val: stringPtr("bar"),
},
VaryColors: &attrValBool{
Val: boolPtr(true),
},
Ser: f.drawChartSeries(formatSet),
SerLines: &attrValString{},
},
}
}
// drawRadarChart provides a function to draw the c:plotArea element for radar
// chart by given format sets.
func (f *File) drawRadarChart(formatSet *formatChart) *cPlotArea {
@ -1371,11 +1462,15 @@ func (f *File) drawChartShape(formatSet *formatChart) *attrValString {
// drawChartSeries provides a function to draw the c:ser element by given
// format sets.
func (f *File) drawChartSeries(formatSet *formatChart) *[]cSer {
var baseIdx int
if formatSet.Combo != nil {
baseIdx = len(formatSet.Combo.Series)
}
ser := []cSer{}
for k := range formatSet.Series {
ser = append(ser, cSer{
IDx: &attrValInt{Val: intPtr(k)},
Order: &attrValInt{Val: intPtr(k)},
IDx: &attrValInt{Val: intPtr(k + baseIdx)},
Order: &attrValInt{Val: intPtr(k + baseIdx)},
Tx: &cTx{
StrRef: &cStrRef{
F: formatSet.Series[k].Name,

27
chart_test.go
View File

@ -3,6 +3,7 @@ package excelize
import (
"bytes"
"encoding/xml"
"fmt"
"path/filepath"
"testing"
@ -172,7 +173,31 @@ func TestAddChart(t *testing.T) {
// bubble chart
assert.NoError(t, f.AddChart("Sheet2", "BD16", `{"type":"bubble","series":[{"name":"Sheet1!$A$30","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$30:$D$30"},{"name":"Sheet1!$A$31","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$31:$D$31"},{"name":"Sheet1!$A$32","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$32:$D$32"},{"name":"Sheet1!$A$33","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$33:$D$33"},{"name":"Sheet1!$A$34","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$34:$D$34"},{"name":"Sheet1!$A$35","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$35:$D$35"},{"name":"Sheet1!$A$36","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$36:$D$36"},{"name":"Sheet1!$A$37","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$37:$D$37"}],"format":{"x_scale":1.0,"y_scale":1.0,"x_offset":15,"y_offset":10,"print_obj":true,"lock_aspect_ratio":false,"locked":false},"legend":{"position":"left","show_legend_key":false},"title":{"name":"Bubble Chart"},"plotarea":{"show_bubble_size":true,"show_cat_name":false,"show_leader_lines":false,"show_percent":true,"show_series_name":true,"show_val":true},"show_blanks_as":"zero"}`))
assert.NoError(t, f.AddChart("Sheet2", "BD32", `{"type":"bubble3D","series":[{"name":"Sheet1!$A$30","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$30:$D$30"},{"name":"Sheet1!$A$31","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$31:$D$31"},{"name":"Sheet1!$A$32","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$32:$D$32"},{"name":"Sheet1!$A$33","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$33:$D$33"},{"name":"Sheet1!$A$34","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$34:$D$34"},{"name":"Sheet1!$A$35","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$35:$D$35"},{"name":"Sheet1!$A$36","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$36:$D$36"},{"name":"Sheet1!$A$37","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$37:$D$37"}],"format":{"x_scale":1.0,"y_scale":1.0,"x_offset":15,"y_offset":10,"print_obj":true,"lock_aspect_ratio":false,"locked":false},"legend":{"position":"left","show_legend_key":false},"title":{"name":"Bubble 3D Chart"},"plotarea":{"show_bubble_size":true,"show_cat_name":false,"show_leader_lines":false,"show_percent":true,"show_series_name":true,"show_val":true},"show_blanks_as":"zero","x_axis":{"major_grid_lines":true},"y_axis":{"major_grid_lines":true}}`))
// pie of pie chart
assert.NoError(t, f.AddChart("Sheet2", "BD48", `{"type":"pieOfPie","series":[{"name":"Sheet1!$A$30","categories":"Sheet1!$A$30:$D$37","values":"Sheet1!$B$30:$B$37"}],"format":{"x_scale":1.0,"y_scale":1.0,"x_offset":15,"y_offset":10,"print_obj":true,"lock_aspect_ratio":false,"locked":false},"legend":{"position":"left","show_legend_key":false},"title":{"name":"Pie of Pie Chart"},"plotarea":{"show_bubble_size":true,"show_cat_name":false,"show_leader_lines":false,"show_percent":true,"show_series_name":true,"show_val":true},"show_blanks_as":"zero","x_axis":{"major_grid_lines":true},"y_axis":{"major_grid_lines":true}}`))
// bar of pie chart
assert.NoError(t, f.AddChart("Sheet2", "BD64", `{"type":"barOfPie","series":[{"name":"Sheet1!$A$30","categories":"Sheet1!$A$30:$D$37","values":"Sheet1!$B$30:$B$37"}],"format":{"x_scale":1.0,"y_scale":1.0,"x_offset":15,"y_offset":10,"print_obj":true,"lock_aspect_ratio":false,"locked":false},"legend":{"position":"left","show_legend_key":false},"title":{"name":"Bar of Pie Chart"},"plotarea":{"show_bubble_size":true,"show_cat_name":false,"show_leader_lines":false,"show_percent":true,"show_series_name":true,"show_val":true},"show_blanks_as":"zero","x_axis":{"major_grid_lines":true},"y_axis":{"major_grid_lines":true}}`))
// combo chart
f.NewSheet("Combo Charts")
clusteredColumnCombo := map[string][]string{
"A1": {"line", "Clustered Column - Line Chart"},
"I1": {"bubble", "Clustered Column - Bubble Chart"},
"Q1": {"bubble3D", "Clustered Column - Bubble 3D Chart"},
"Y1": {"doughnut", "Clustered Column - Doughnut Chart"},
}
for axis, props := range clusteredColumnCombo {
assert.NoError(t, f.AddChart("Combo Charts", axis, fmt.Sprintf(`{"type":"col","series":[{"name":"Sheet1!$A$30","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$30:$D$30"},{"name":"Sheet1!$A$31","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$31:$D$31"},{"name":"Sheet1!$A$32","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$32:$D$32"},{"name":"Sheet1!$A$33","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$33:$D$33"}],"format":{"x_scale":1.0,"y_scale":1.0,"x_offset":15,"y_offset":10,"print_obj":true,"lock_aspect_ratio":false,"locked":false},"legend":{"position":"left","show_legend_key":false},"title":{"name":"%s"},"plotarea":{"show_bubble_size":true,"show_cat_name":false,"show_leader_lines":false,"show_percent":true,"show_series_name":true,"show_val":true},"combo":{"type":"%s","series":[{"name":"Sheet1!$A$34","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$34:$D$34"},{"name":"Sheet1!$A$35","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$35:$D$35"},{"name":"Sheet1!$A$36","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$36:$D$36"},{"name":"Sheet1!$A$37","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$37:$D$37"}],"format":{"x_scale":1.0,"y_scale":1.0,"x_offset":15,"y_offset":10,"print_obj":true,"lock_aspect_ratio":false,"locked":false},"legend":{"position":"left","show_legend_key":false},"plotarea":{"show_bubble_size":true,"show_cat_name":false,"show_leader_lines":false,"show_percent":true,"show_series_name":true,"show_val":true}}}`, props[1], props[0])))
}
stackedAreaCombo := map[string][]string{
"A16": {"line", "Stacked Area - Line Chart"},
"I16": {"bubble", "Stacked Area - Bubble Chart"},
"Q16": {"bubble3D", "Stacked Area - Bubble 3D Chart"},
"Y16": {"doughnut", "Stacked Area - Doughnut Chart"},
}
for axis, props := range stackedAreaCombo {
assert.NoError(t, f.AddChart("Combo Charts", axis, fmt.Sprintf(`{"type":"areaStacked","series":[{"name":"Sheet1!$A$30","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$30:$D$30"},{"name":"Sheet1!$A$31","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$31:$D$31"},{"name":"Sheet1!$A$32","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$32:$D$32"},{"name":"Sheet1!$A$33","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$33:$D$33"}],"format":{"x_scale":1.0,"y_scale":1.0,"x_offset":15,"y_offset":10,"print_obj":true,"lock_aspect_ratio":false,"locked":false},"legend":{"position":"left","show_legend_key":false},"title":{"name":"%s"},"plotarea":{"show_bubble_size":true,"show_cat_name":false,"show_leader_lines":false,"show_percent":true,"show_series_name":true,"show_val":true},"combo":{"type":"%s","series":[{"name":"Sheet1!$A$34","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$34:$D$34"},{"name":"Sheet1!$A$35","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$35:$D$35"},{"name":"Sheet1!$A$36","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$36:$D$36"},{"name":"Sheet1!$A$37","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$37:$D$37"}],"format":{"x_scale":1.0,"y_scale":1.0,"x_offset":15,"y_offset":10,"print_obj":true,"lock_aspect_ratio":false,"locked":false},"legend":{"position":"left","show_legend_key":false},"plotarea":{"show_bubble_size":true,"show_cat_name":false,"show_leader_lines":false,"show_percent":true,"show_series_name":true,"show_val":true}}}`, props[1], props[0])))
}
assert.NoError(t, f.SaveAs(filepath.Join("test", "TestAddChart.xlsx")))
// Test with unsupported chart type
assert.EqualError(t, f.AddChart("Sheet2", "BD32", `{"type":"unknown","series":[{"name":"Sheet1!$A$30","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$30:$D$30"},{"name":"Sheet1!$A$31","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$31:$D$31"},{"name":"Sheet1!$A$32","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$32:$D$32"},{"name":"Sheet1!$A$33","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$33:$D$33"},{"name":"Sheet1!$A$34","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$34:$D$34"},{"name":"Sheet1!$A$35","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$35:$D$35"},{"name":"Sheet1!$A$36","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$36:$D$36"},{"name":"Sheet1!$A$37","categories":"Sheet1!$B$29:$D$29","values":"Sheet1!$B$37:$D$37"}],"format":{"x_scale":1.0,"y_scale":1.0,"x_offset":15,"y_offset":10,"print_obj":true,"lock_aspect_ratio":false,"locked":false},"legend":{"position":"left","show_legend_key":false},"title":{"name":"Bubble 3D Chart"},"plotarea":{"show_bubble_size":true,"show_cat_name":false,"show_leader_lines":false,"show_percent":true,"show_series_name":true,"show_val":true},"show_blanks_as":"zero"}`), "unsupported chart type unknown")
}

12
xmlChart.go
View File

@ -312,6 +312,7 @@ type cPlotArea struct {
LineChart *cCharts `xml:"lineChart"`
PieChart *cCharts `xml:"pieChart"`
Pie3DChart *cCharts `xml:"pie3DChart"`
OfPieChart *cCharts `xml:"ofPieChart"`
RadarChart *cCharts `xml:"radarChart"`
ScatterChart *cCharts `xml:"scatterChart"`
Surface3DChart *cCharts `xml:"surface3DChart"`
@ -329,6 +330,8 @@ type cCharts struct {
Grouping *attrValString `xml:"grouping"`
RadarStyle *attrValString `xml:"radarStyle"`
ScatterStyle *attrValString `xml:"scatterStyle"`
OfPieType *attrValString `xml:"ofPieType"`
SerLines *attrValString `xml:"serLines"`
VaryColors *attrValBool `xml:"varyColors"`
Wireframe *attrValBool `xml:"wireframe"`
Ser *[]cSer `xml:"ser"`
@ -590,10 +593,11 @@ type formatChart struct {
} `json:"fill"`
Layout formatLayout `json:"layout"`
} `json:"plotarea"`
ShowBlanksAs string `json:"show_blanks_as"`
ShowHiddenData bool `json:"show_hidden_data"`
SetRotation int `json:"set_rotation"`
SetHoleSize int `json:"set_hole_size"`
ShowBlanksAs string `json:"show_blanks_as"`
ShowHiddenData bool `json:"show_hidden_data"`
SetRotation int `json:"set_rotation"`
SetHoleSize int `json:"set_hole_size"`
Combo *formatChart `json:"combo"`
}
// formatChartLegend directly maps the format settings of the chart legend.