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drawing.go
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drawing.go
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// Copyright 2016 - 2022 The excelize Authors. All rights reserved. Use of
// this source code is governed by a BSD-style license that can be found in
// the LICENSE file.
//
// Package excelize providing a set of functions that allow you to write to and
// read from XLAM / XLSM / XLSX / XLTM / XLTX files. Supports reading and
// writing spreadsheet documents generated by Microsoft Excel™ 2007 and later.
// Supports complex components by high compatibility, and provided streaming
// API for generating or reading data from a worksheet with huge amounts of
// data. This library needs Go version 1.15 or later.
package excelize
import (
"bytes"
"encoding/xml"
"fmt"
"io"
"log"
"reflect"
"strconv"
"strings"
)
// prepareDrawing provides a function to prepare drawing ID and XML by given
// drawingID, worksheet name and default drawingXML.
func (f *File) prepareDrawing(ws *xlsxWorksheet, drawingID int, sheet, drawingXML string) (int, string) {
sheetRelationshipsDrawingXML := "../drawings/drawing" + strconv.Itoa(drawingID) + ".xml"
if ws.Drawing != nil {
// The worksheet already has a picture or chart relationships, use the relationships drawing ../drawings/drawing%d.xml.
sheetRelationshipsDrawingXML = f.getSheetRelationshipsTargetByID(sheet, ws.Drawing.RID)
drawingID, _ = strconv.Atoi(strings.TrimSuffix(strings.TrimPrefix(sheetRelationshipsDrawingXML, "../drawings/drawing"), ".xml"))
drawingXML = strings.Replace(sheetRelationshipsDrawingXML, "..", "xl", -1)
} else {
// Add first picture for given sheet.
sheetRels := "xl/worksheets/_rels/" + strings.TrimPrefix(f.sheetMap[trimSheetName(sheet)], "xl/worksheets/") + ".rels"
rID := f.addRels(sheetRels, SourceRelationshipDrawingML, sheetRelationshipsDrawingXML, "")
f.addSheetDrawing(sheet, rID)
}
return drawingID, drawingXML
}
// prepareChartSheetDrawing provides a function to prepare drawing ID and XML
// by given drawingID, worksheet name and default drawingXML.
func (f *File) prepareChartSheetDrawing(cs *xlsxChartsheet, drawingID int, sheet string) {
sheetRelationshipsDrawingXML := "../drawings/drawing" + strconv.Itoa(drawingID) + ".xml"
// Only allow one chart in a chartsheet.
sheetRels := "xl/chartsheets/_rels/" + strings.TrimPrefix(f.sheetMap[trimSheetName(sheet)], "xl/chartsheets/") + ".rels"
rID := f.addRels(sheetRels, SourceRelationshipDrawingML, sheetRelationshipsDrawingXML, "")
f.addSheetNameSpace(sheet, SourceRelationship)
cs.Drawing = &xlsxDrawing{
RID: "rId" + strconv.Itoa(rID),
}
}
// addChart provides a function to create chart as xl/charts/chart%d.xml by
// given format sets.
func (f *File) addChart(formatSet *formatChart, comboCharts []*formatChart) {
count := f.countCharts()
xlsxChartSpace := xlsxChartSpace{
XMLNSa: NameSpaceDrawingML.Value,
Date1904: &attrValBool{Val: boolPtr(false)},
Lang: &attrValString{Val: stringPtr("en-US")},
RoundedCorners: &attrValBool{Val: boolPtr(false)},
Chart: cChart{
Title: &cTitle{
Tx: cTx{
Rich: &cRich{
P: aP{
PPr: &aPPr{
DefRPr: aRPr{
Kern: 1200,
Strike: "noStrike",
U: "none",
Sz: 1400,
SolidFill: &aSolidFill{
SchemeClr: &aSchemeClr{
Val: "tx1",
LumMod: &attrValInt{
Val: intPtr(65000),
},
LumOff: &attrValInt{
Val: intPtr(35000),
},
},
},
Ea: &aEa{
Typeface: "+mn-ea",
},
Cs: &aCs{
Typeface: "+mn-cs",
},
Latin: &aLatin{
Typeface: "+mn-lt",
},
},
},
R: &aR{
RPr: aRPr{
Lang: "en-US",
AltLang: "en-US",
},
T: formatSet.Title.Name,
},
},
},
},
TxPr: cTxPr{
P: aP{
PPr: &aPPr{
DefRPr: aRPr{
Kern: 1200,
U: "none",
Sz: 14000,
Strike: "noStrike",
},
},
EndParaRPr: &aEndParaRPr{
Lang: "en-US",
},
},
},
Overlay: &attrValBool{Val: boolPtr(false)},
},
View3D: &cView3D{
RotX: &attrValInt{Val: intPtr(chartView3DRotX[formatSet.Type])},
RotY: &attrValInt{Val: intPtr(chartView3DRotY[formatSet.Type])},
Perspective: &attrValInt{Val: intPtr(chartView3DPerspective[formatSet.Type])},
RAngAx: &attrValInt{Val: intPtr(chartView3DRAngAx[formatSet.Type])},
},
Floor: &cThicknessSpPr{
Thickness: &attrValInt{Val: intPtr(0)},
},
SideWall: &cThicknessSpPr{
Thickness: &attrValInt{Val: intPtr(0)},
},
BackWall: &cThicknessSpPr{
Thickness: &attrValInt{Val: intPtr(0)},
},
PlotArea: &cPlotArea{},
Legend: &cLegend{
LegendPos: &attrValString{Val: stringPtr(chartLegendPosition[formatSet.Legend.Position])},
Overlay: &attrValBool{Val: boolPtr(false)},
},
PlotVisOnly: &attrValBool{Val: boolPtr(false)},
DispBlanksAs: &attrValString{Val: stringPtr(formatSet.ShowBlanksAs)},
ShowDLblsOverMax: &attrValBool{Val: boolPtr(false)},
},
SpPr: &cSpPr{
SolidFill: &aSolidFill{
SchemeClr: &aSchemeClr{Val: "bg1"},
},
Ln: &aLn{
W: 9525,
Cap: "flat",
Cmpd: "sng",
Algn: "ctr",
SolidFill: &aSolidFill{
SchemeClr: &aSchemeClr{
Val: "tx1",
LumMod: &attrValInt{
Val: intPtr(15000),
},
LumOff: &attrValInt{
Val: intPtr(85000),
},
},
},
},
},
PrintSettings: &cPrintSettings{
PageMargins: &cPageMargins{
B: 0.75,
L: 0.7,
R: 0.7,
T: 0.7,
Header: 0.3,
Footer: 0.3,
},
},
}
plotAreaFunc := map[string]func(*formatChart) *cPlotArea{
Area: f.drawBaseChart,
AreaStacked: f.drawBaseChart,
AreaPercentStacked: f.drawBaseChart,
Area3D: f.drawBaseChart,
Area3DStacked: f.drawBaseChart,
Area3DPercentStacked: f.drawBaseChart,
Bar: f.drawBaseChart,
BarStacked: f.drawBaseChart,
BarPercentStacked: f.drawBaseChart,
Bar3DClustered: f.drawBaseChart,
Bar3DStacked: f.drawBaseChart,
Bar3DPercentStacked: f.drawBaseChart,
Bar3DConeClustered: f.drawBaseChart,
Bar3DConeStacked: f.drawBaseChart,
Bar3DConePercentStacked: f.drawBaseChart,
Bar3DPyramidClustered: f.drawBaseChart,
Bar3DPyramidStacked: f.drawBaseChart,
Bar3DPyramidPercentStacked: f.drawBaseChart,
Bar3DCylinderClustered: f.drawBaseChart,
Bar3DCylinderStacked: f.drawBaseChart,
Bar3DCylinderPercentStacked: f.drawBaseChart,
Col: f.drawBaseChart,
ColStacked: f.drawBaseChart,
ColPercentStacked: f.drawBaseChart,
Col3D: f.drawBaseChart,
Col3DClustered: f.drawBaseChart,
Col3DStacked: f.drawBaseChart,
Col3DPercentStacked: f.drawBaseChart,
Col3DCone: f.drawBaseChart,
Col3DConeClustered: f.drawBaseChart,
Col3DConeStacked: f.drawBaseChart,
Col3DConePercentStacked: f.drawBaseChart,
Col3DPyramid: f.drawBaseChart,
Col3DPyramidClustered: f.drawBaseChart,
Col3DPyramidStacked: f.drawBaseChart,
Col3DPyramidPercentStacked: f.drawBaseChart,
Col3DCylinder: f.drawBaseChart,
Col3DCylinderClustered: f.drawBaseChart,
Col3DCylinderStacked: f.drawBaseChart,
Col3DCylinderPercentStacked: f.drawBaseChart,
Doughnut: f.drawDoughnutChart,
Line: f.drawLineChart,
Pie3D: f.drawPie3DChart,
Pie: f.drawPieChart,
PieOfPieChart: f.drawPieOfPieChart,
BarOfPieChart: f.drawBarOfPieChart,
Radar: f.drawRadarChart,
Scatter: f.drawScatterChart,
Surface3D: f.drawSurface3DChart,
WireframeSurface3D: f.drawSurface3DChart,
Contour: f.drawSurfaceChart,
WireframeContour: f.drawSurfaceChart,
Bubble: f.drawBaseChart,
Bubble3D: f.drawBaseChart,
}
if formatSet.Legend.None {
xlsxChartSpace.Chart.Legend = nil
}
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))
order := len(formatSet.Series)
for idx := range comboCharts {
comboCharts[idx].order = order
addChart(xlsxChartSpace.Chart.PlotArea, plotAreaFunc[comboCharts[idx].Type](comboCharts[idx]))
order += len(comboCharts[idx].Series)
}
chart, _ := xml.Marshal(xlsxChartSpace)
media := "xl/charts/chart" + strconv.Itoa(count+1) + ".xml"
f.saveFileList(media, chart)
}
// drawBaseChart provides a function to draw the c:plotArea element for bar,
// and column series charts by given format sets.
func (f *File) drawBaseChart(formatSet *formatChart) *cPlotArea {
c := cCharts{
BarDir: &attrValString{
Val: stringPtr("col"),
},
Grouping: &attrValString{
Val: stringPtr("clustered"),
},
VaryColors: &attrValBool{
Val: boolPtr(formatSet.VaryColors),
},
Ser: f.drawChartSeries(formatSet),
Shape: f.drawChartShape(formatSet),
DLbls: f.drawChartDLbls(formatSet),
AxID: []*attrValInt{
{Val: intPtr(754001152)},
{Val: intPtr(753999904)},
},
Overlap: &attrValInt{Val: intPtr(100)},
}
var ok bool
if *c.BarDir.Val, ok = plotAreaChartBarDir[formatSet.Type]; !ok {
c.BarDir = nil
}
if *c.Grouping.Val, ok = plotAreaChartGrouping[formatSet.Type]; !ok {
c.Grouping = nil
}
if *c.Overlap.Val, ok = plotAreaChartOverlap[formatSet.Type]; !ok {
c.Overlap = nil
}
catAx := f.drawPlotAreaCatAx(formatSet)
valAx := f.drawPlotAreaValAx(formatSet)
charts := map[string]*cPlotArea{
"area": {
AreaChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"areaStacked": {
AreaChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"areaPercentStacked": {
AreaChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"area3D": {
Area3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"area3DStacked": {
Area3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"area3DPercentStacked": {
Area3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"bar": {
BarChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"barStacked": {
BarChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"barPercentStacked": {
BarChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"bar3DClustered": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"bar3DStacked": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"bar3DPercentStacked": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"bar3DConeClustered": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"bar3DConeStacked": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"bar3DConePercentStacked": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"bar3DPyramidClustered": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"bar3DPyramidStacked": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"bar3DPyramidPercentStacked": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"bar3DCylinderClustered": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"bar3DCylinderStacked": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"bar3DCylinderPercentStacked": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"col": {
BarChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"colStacked": {
BarChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"colPercentStacked": {
BarChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"col3D": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"col3DClustered": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"col3DStacked": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"col3DPercentStacked": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"col3DCone": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"col3DConeClustered": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"col3DConeStacked": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"col3DConePercentStacked": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"col3DPyramid": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"col3DPyramidClustered": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"col3DPyramidStacked": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"col3DPyramidPercentStacked": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"col3DCylinder": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"col3DCylinderClustered": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"col3DCylinderStacked": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"col3DCylinderPercentStacked": {
Bar3DChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"bubble": {
BubbleChart: &c,
CatAx: catAx,
ValAx: valAx,
},
"bubble3D": {
BubbleChart: &c,
CatAx: catAx,
ValAx: valAx,
},
}
return charts[formatSet.Type]
}
// drawDoughnutChart provides a function to draw the c:plotArea element for
// doughnut chart by given format sets.
func (f *File) drawDoughnutChart(formatSet *formatChart) *cPlotArea {
return &cPlotArea{
DoughnutChart: &cCharts{
VaryColors: &attrValBool{
Val: boolPtr(formatSet.VaryColors),
},
Ser: f.drawChartSeries(formatSet),
HoleSize: &attrValInt{Val: intPtr(75)},
},
}
}
// drawLineChart provides a function to draw the c:plotArea element for line
// chart by given format sets.
func (f *File) drawLineChart(formatSet *formatChart) *cPlotArea {
return &cPlotArea{
LineChart: &cCharts{
Grouping: &attrValString{
Val: stringPtr(plotAreaChartGrouping[formatSet.Type]),
},
VaryColors: &attrValBool{
Val: boolPtr(false),
},
Ser: f.drawChartSeries(formatSet),
DLbls: f.drawChartDLbls(formatSet),
Smooth: &attrValBool{
Val: boolPtr(false),
},
AxID: []*attrValInt{
{Val: intPtr(754001152)},
{Val: intPtr(753999904)},
},
},
CatAx: f.drawPlotAreaCatAx(formatSet),
ValAx: f.drawPlotAreaValAx(formatSet),
}
}
// drawPieChart provides a function to draw the c:plotArea element for pie
// chart by given format sets.
func (f *File) drawPieChart(formatSet *formatChart) *cPlotArea {
return &cPlotArea{
PieChart: &cCharts{
VaryColors: &attrValBool{
Val: boolPtr(formatSet.VaryColors),
},
Ser: f.drawChartSeries(formatSet),
},
}
}
// drawPie3DChart provides a function to draw the c:plotArea element for 3D
// pie chart by given format sets.
func (f *File) drawPie3DChart(formatSet *formatChart) *cPlotArea {
return &cPlotArea{
Pie3DChart: &cCharts{
VaryColors: &attrValBool{
Val: boolPtr(formatSet.VaryColors),
},
Ser: f.drawChartSeries(formatSet),
},
}
}
// 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{
OfPieChart: &cCharts{
OfPieType: &attrValString{
Val: stringPtr("pie"),
},
VaryColors: &attrValBool{
Val: boolPtr(formatSet.VaryColors),
},
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{
OfPieChart: &cCharts{
OfPieType: &attrValString{
Val: stringPtr("bar"),
},
VaryColors: &attrValBool{
Val: boolPtr(formatSet.VaryColors),
},
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 {
return &cPlotArea{
RadarChart: &cCharts{
RadarStyle: &attrValString{
Val: stringPtr("marker"),
},
VaryColors: &attrValBool{
Val: boolPtr(false),
},
Ser: f.drawChartSeries(formatSet),
DLbls: f.drawChartDLbls(formatSet),
AxID: []*attrValInt{
{Val: intPtr(754001152)},
{Val: intPtr(753999904)},
},
},
CatAx: f.drawPlotAreaCatAx(formatSet),
ValAx: f.drawPlotAreaValAx(formatSet),
}
}
// drawScatterChart provides a function to draw the c:plotArea element for
// scatter chart by given format sets.
func (f *File) drawScatterChart(formatSet *formatChart) *cPlotArea {
return &cPlotArea{
ScatterChart: &cCharts{
ScatterStyle: &attrValString{
Val: stringPtr("smoothMarker"), // line,lineMarker,marker,none,smooth,smoothMarker
},
VaryColors: &attrValBool{
Val: boolPtr(false),
},
Ser: f.drawChartSeries(formatSet),
DLbls: f.drawChartDLbls(formatSet),
AxID: []*attrValInt{
{Val: intPtr(754001152)},
{Val: intPtr(753999904)},
},
},
CatAx: f.drawPlotAreaCatAx(formatSet),
ValAx: f.drawPlotAreaValAx(formatSet),
}
}
// drawSurface3DChart provides a function to draw the c:surface3DChart element by
// given format sets.
func (f *File) drawSurface3DChart(formatSet *formatChart) *cPlotArea {
plotArea := &cPlotArea{
Surface3DChart: &cCharts{
Ser: f.drawChartSeries(formatSet),
AxID: []*attrValInt{
{Val: intPtr(754001152)},
{Val: intPtr(753999904)},
{Val: intPtr(832256642)},
},
},
CatAx: f.drawPlotAreaCatAx(formatSet),
ValAx: f.drawPlotAreaValAx(formatSet),
SerAx: f.drawPlotAreaSerAx(formatSet),
}
if formatSet.Type == WireframeSurface3D {
plotArea.Surface3DChart.Wireframe = &attrValBool{Val: boolPtr(true)}
}
return plotArea
}
// drawSurfaceChart provides a function to draw the c:surfaceChart element by
// given format sets.
func (f *File) drawSurfaceChart(formatSet *formatChart) *cPlotArea {
plotArea := &cPlotArea{
SurfaceChart: &cCharts{
Ser: f.drawChartSeries(formatSet),
AxID: []*attrValInt{
{Val: intPtr(754001152)},
{Val: intPtr(753999904)},
{Val: intPtr(832256642)},
},
},
CatAx: f.drawPlotAreaCatAx(formatSet),
ValAx: f.drawPlotAreaValAx(formatSet),
SerAx: f.drawPlotAreaSerAx(formatSet),
}
if formatSet.Type == WireframeContour {
plotArea.SurfaceChart.Wireframe = &attrValBool{Val: boolPtr(true)}
}
return plotArea
}
// drawChartShape provides a function to draw the c:shape element by given
// format sets.
func (f *File) drawChartShape(formatSet *formatChart) *attrValString {
shapes := map[string]string{
Bar3DConeClustered: "cone",
Bar3DConeStacked: "cone",
Bar3DConePercentStacked: "cone",
Bar3DPyramidClustered: "pyramid",
Bar3DPyramidStacked: "pyramid",
Bar3DPyramidPercentStacked: "pyramid",
Bar3DCylinderClustered: "cylinder",
Bar3DCylinderStacked: "cylinder",
Bar3DCylinderPercentStacked: "cylinder",
Col3DCone: "cone",
Col3DConeClustered: "cone",
Col3DConeStacked: "cone",
Col3DConePercentStacked: "cone",
Col3DPyramid: "pyramid",
Col3DPyramidClustered: "pyramid",
Col3DPyramidStacked: "pyramid",
Col3DPyramidPercentStacked: "pyramid",
Col3DCylinder: "cylinder",
Col3DCylinderClustered: "cylinder",
Col3DCylinderStacked: "cylinder",
Col3DCylinderPercentStacked: "cylinder",
}
if shape, ok := shapes[formatSet.Type]; ok {
return &attrValString{Val: stringPtr(shape)}
}
return nil
}
// drawChartSeries provides a function to draw the c:ser element by given
// format sets.
func (f *File) drawChartSeries(formatSet *formatChart) *[]cSer {
ser := []cSer{}
for k := range formatSet.Series {
ser = append(ser, cSer{
IDx: &attrValInt{Val: intPtr(k + formatSet.order)},
Order: &attrValInt{Val: intPtr(k + formatSet.order)},
Tx: &cTx{
StrRef: &cStrRef{
F: formatSet.Series[k].Name,
},
},
SpPr: f.drawChartSeriesSpPr(k, formatSet),
Marker: f.drawChartSeriesMarker(k, formatSet),
DPt: f.drawChartSeriesDPt(k, formatSet),
DLbls: f.drawChartSeriesDLbls(formatSet),
InvertIfNegative: &attrValBool{Val: boolPtr(false)},
Cat: f.drawChartSeriesCat(formatSet.Series[k], formatSet),
Val: f.drawChartSeriesVal(formatSet.Series[k], formatSet),
XVal: f.drawChartSeriesXVal(formatSet.Series[k], formatSet),
YVal: f.drawChartSeriesYVal(formatSet.Series[k], formatSet),
BubbleSize: f.drawCharSeriesBubbleSize(formatSet.Series[k], formatSet),
Bubble3D: f.drawCharSeriesBubble3D(formatSet),
})
}
return &ser
}
// drawChartSeriesSpPr provides a function to draw the c:spPr element by given
// format sets.
func (f *File) drawChartSeriesSpPr(i int, formatSet *formatChart) *cSpPr {
spPrScatter := &cSpPr{
Ln: &aLn{
W: 25400,
NoFill: " ",
},
}
spPrLine := &cSpPr{
Ln: &aLn{
W: f.ptToEMUs(formatSet.Series[i].Line.Width),
Cap: "rnd", // rnd, sq, flat
SolidFill: &aSolidFill{
SchemeClr: &aSchemeClr{Val: "accent" + strconv.Itoa((formatSet.order+i)%6+1)},
},
},
}
chartSeriesSpPr := map[string]*cSpPr{Line: spPrLine, Scatter: spPrScatter}
return chartSeriesSpPr[formatSet.Type]
}
// drawChartSeriesDPt provides a function to draw the c:dPt element by given
// data index and format sets.
func (f *File) drawChartSeriesDPt(i int, formatSet *formatChart) []*cDPt {
dpt := []*cDPt{{
IDx: &attrValInt{Val: intPtr(i)},
Bubble3D: &attrValBool{Val: boolPtr(false)},
SpPr: &cSpPr{
SolidFill: &aSolidFill{
SchemeClr: &aSchemeClr{Val: "accent" + strconv.Itoa(i+1)},
},
Ln: &aLn{
W: 25400,
Cap: "rnd",
SolidFill: &aSolidFill{
SchemeClr: &aSchemeClr{Val: "lt" + strconv.Itoa(i+1)},
},
},
Sp3D: &aSp3D{
ContourW: 25400,
ContourClr: &aContourClr{
SchemeClr: &aSchemeClr{Val: "lt" + strconv.Itoa(i+1)},
},
},
},
}}
chartSeriesDPt := map[string][]*cDPt{Pie: dpt, Pie3D: dpt}
return chartSeriesDPt[formatSet.Type]
}
// drawChartSeriesCat provides a function to draw the c:cat element by given
// chart series and format sets.
func (f *File) drawChartSeriesCat(v formatChartSeries, formatSet *formatChart) *cCat {
cat := &cCat{
StrRef: &cStrRef{
F: v.Categories,
},
}
chartSeriesCat := map[string]*cCat{Scatter: nil, Bubble: nil, Bubble3D: nil}
if _, ok := chartSeriesCat[formatSet.Type]; ok || v.Categories == "" {
return nil
}
return cat
}
// drawChartSeriesVal provides a function to draw the c:val element by given
// chart series and format sets.
func (f *File) drawChartSeriesVal(v formatChartSeries, formatSet *formatChart) *cVal {
val := &cVal{
NumRef: &cNumRef{
F: v.Values,
},
}
chartSeriesVal := map[string]*cVal{Scatter: nil, Bubble: nil, Bubble3D: nil}
if _, ok := chartSeriesVal[formatSet.Type]; ok {
return nil
}
return val
}
// drawChartSeriesMarker provides a function to draw the c:marker element by
// given data index and format sets.
func (f *File) drawChartSeriesMarker(i int, formatSet *formatChart) *cMarker {
defaultSymbol := map[string]*attrValString{Scatter: {Val: stringPtr("circle")}}
marker := &cMarker{
Symbol: defaultSymbol[formatSet.Type],
Size: &attrValInt{Val: intPtr(5)},
}
if symbol := stringPtr(formatSet.Series[i].Marker.Symbol); *symbol != "" {
marker.Symbol = &attrValString{Val: symbol}
}
if size := intPtr(formatSet.Series[i].Marker.Size); *size != 0 {
marker.Size = &attrValInt{Val: size}
}
if i < 6 {
marker.SpPr = &cSpPr{
SolidFill: &aSolidFill{
SchemeClr: &aSchemeClr{
Val: "accent" + strconv.Itoa(i+1),
},
},
Ln: &aLn{
W: 9252,
SolidFill: &aSolidFill{
SchemeClr: &aSchemeClr{
Val: "accent" + strconv.Itoa(i+1),
},
},
},
}
}
chartSeriesMarker := map[string]*cMarker{Scatter: marker, Line: marker}
return chartSeriesMarker[formatSet.Type]
}
// drawChartSeriesXVal provides a function to draw the c:xVal element by given
// chart series and format sets.
func (f *File) drawChartSeriesXVal(v formatChartSeries, formatSet *formatChart) *cCat {
cat := &cCat{
StrRef: &cStrRef{
F: v.Categories,
},
}
chartSeriesXVal := map[string]*cCat{Scatter: cat}
return chartSeriesXVal[formatSet.Type]
}
// drawChartSeriesYVal provides a function to draw the c:yVal element by given
// chart series and format sets.
func (f *File) drawChartSeriesYVal(v formatChartSeries, formatSet *formatChart) *cVal {
val := &cVal{
NumRef: &cNumRef{
F: v.Values,
},
}
chartSeriesYVal := map[string]*cVal{Scatter: val, Bubble: val, Bubble3D: val}
return chartSeriesYVal[formatSet.Type]
}
// drawCharSeriesBubbleSize provides a function to draw the c:bubbleSize
// element by given chart series and format sets.
func (f *File) drawCharSeriesBubbleSize(v formatChartSeries, formatSet *formatChart) *cVal {
if _, ok := map[string]bool{Bubble: true, Bubble3D: true}[formatSet.Type]; !ok {
return nil
}
return &cVal{
NumRef: &cNumRef{
F: v.Values,
},
}
}
// drawCharSeriesBubble3D provides a function to draw the c:bubble3D element
// by given format sets.
func (f *File) drawCharSeriesBubble3D(formatSet *formatChart) *attrValBool {
if _, ok := map[string]bool{Bubble3D: true}[formatSet.Type]; !ok {
return nil
}
return &attrValBool{Val: boolPtr(true)}
}
// drawChartDLbls provides a function to draw the c:dLbls element by given
// format sets.
func (f *File) drawChartDLbls(formatSet *formatChart) *cDLbls {
return &cDLbls{
ShowLegendKey: &attrValBool{Val: boolPtr(formatSet.Legend.ShowLegendKey)},
ShowVal: &attrValBool{Val: boolPtr(formatSet.Plotarea.ShowVal)},
ShowCatName: &attrValBool{Val: boolPtr(formatSet.Plotarea.ShowCatName)},
ShowSerName: &attrValBool{Val: boolPtr(formatSet.Plotarea.ShowSerName)},
ShowBubbleSize: &attrValBool{Val: boolPtr(formatSet.Plotarea.ShowBubbleSize)},
ShowPercent: &attrValBool{Val: boolPtr(formatSet.Plotarea.ShowPercent)},
ShowLeaderLines: &attrValBool{Val: boolPtr(formatSet.Plotarea.ShowLeaderLines)},
}
}
// drawChartSeriesDLbls provides a function to draw the c:dLbls element by
// given format sets.
func (f *File) drawChartSeriesDLbls(formatSet *formatChart) *cDLbls {
dLbls := f.drawChartDLbls(formatSet)
chartSeriesDLbls := map[string]*cDLbls{
Scatter: nil, Surface3D: nil, WireframeSurface3D: nil, Contour: nil, WireframeContour: nil, Bubble: nil, Bubble3D: nil,
}
if _, ok := chartSeriesDLbls[formatSet.Type]; ok {
return nil
}
return dLbls
}
// drawPlotAreaCatAx provides a function to draw the c:catAx element.
func (f *File) drawPlotAreaCatAx(formatSet *formatChart) []*cAxs {
min := &attrValFloat{Val: float64Ptr(formatSet.XAxis.Minimum)}
max := &attrValFloat{Val: float64Ptr(formatSet.XAxis.Maximum)}
if formatSet.XAxis.Minimum == 0 {
min = nil
}
if formatSet.XAxis.Maximum == 0 {
max = nil
}
axs := []*cAxs{
{
AxID: &attrValInt{Val: intPtr(754001152)},
Scaling: &cScaling{
Orientation: &attrValString{Val: stringPtr(orientation[formatSet.XAxis.ReverseOrder])},
Max: max,
Min: min,
},
Delete: &attrValBool{Val: boolPtr(formatSet.XAxis.None)},
AxPos: &attrValString{Val: stringPtr(catAxPos[formatSet.XAxis.ReverseOrder])},
NumFmt: &cNumFmt{
FormatCode: "General",
SourceLinked: true,
},
MajorTickMark: &attrValString{Val: stringPtr("none")},
MinorTickMark: &attrValString{Val: stringPtr("none")},
TickLblPos: &attrValString{Val: stringPtr("nextTo")},
SpPr: f.drawPlotAreaSpPr(),
TxPr: f.drawPlotAreaTxPr(),
CrossAx: &attrValInt{Val: intPtr(753999904)},
Crosses: &attrValString{Val: stringPtr("autoZero")},
Auto: &attrValBool{Val: boolPtr(true)},
LblAlgn: &attrValString{Val: stringPtr("ctr")},
LblOffset: &attrValInt{Val: intPtr(100)},
NoMultiLvlLbl: &attrValBool{Val: boolPtr(false)},
},
}
if formatSet.XAxis.MajorGridlines {
axs[0].MajorGridlines = &cChartLines{SpPr: f.drawPlotAreaSpPr()}
}
if formatSet.XAxis.MinorGridlines {
axs[0].MinorGridlines = &cChartLines{SpPr: f.drawPlotAreaSpPr()}
}
if formatSet.XAxis.TickLabelSkip != 0 {
axs[0].TickLblSkip = &attrValInt{Val: intPtr(formatSet.XAxis.TickLabelSkip)}
}
return axs
}