Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

support set fill color of the chart #1788

Merged
merged 1 commit into from
Jan 22, 2024
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 9 additions & 3 deletions chart_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -158,7 +158,12 @@ func TestAddChart(t *testing.T) {
{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$37"},
{
Name: "Sheet1!$A$37", Categories: "Sheet1!$B$29:$D$29", Values: "Sheet1!$B$37:$D$37",
Marker: ChartMarker{
Fill: Fill{Type: "pattern", Color: []string{"FFFF00"}, Pattern: 1},
},
},
}
series2 := []ChartSeries{
{
Expand Down Expand Up @@ -203,14 +208,15 @@ func TestAddChart(t *testing.T) {
ShowPercent: true,
ShowSerName: true,
ShowVal: true,
Fill: Fill{Type: "pattern", Pattern: 1},
}
for _, c := range []struct {
sheetName, cell string
opts *Chart
}{
{sheetName: "Sheet1", cell: "P1", opts: &Chart{Type: Col, Series: series, Format: format, Legend: ChartLegend{Position: "none", ShowLegendKey: true}, Title: []RichTextRun{{Text: "2D Column Chart"}}, PlotArea: plotArea, Border: ChartLine{Type: ChartLineNone}, ShowBlanksAs: "zero", XAxis: ChartAxis{Font: Font{Bold: true, Italic: true, Underline: "dbl", Color: "000000"}, Title: []RichTextRun{{Text: "Primary Horizontal Axis Title"}}}, YAxis: ChartAxis{Font: Font{Bold: false, Italic: false, Underline: "sng", Color: "777777"}, Title: []RichTextRun{{Text: "Primary Vertical Axis Title", Font: &Font{Color: "777777", Bold: true, Italic: true, Size: 12}}}}}},
{sheetName: "Sheet1", cell: "X1", opts: &Chart{Type: ColStacked, Series: series, Format: format, Legend: legend, Title: []RichTextRun{{Text: "2D Stacked Column Chart"}}, PlotArea: plotArea, Border: ChartLine{Type: ChartLineAutomatic}, ShowBlanksAs: "zero"}},
{sheetName: "Sheet1", cell: "P16", opts: &Chart{Type: ColPercentStacked, Series: series, Format: format, Legend: legend, Title: []RichTextRun{{Text: "100% Stacked Column Chart"}}, PlotArea: plotArea, Border: ChartLine{Type: ChartLineSolid, Width: 2}, ShowBlanksAs: "zero"}},
{sheetName: "Sheet1", cell: "X1", opts: &Chart{Type: ColStacked, Series: series, Format: format, Legend: legend, Title: []RichTextRun{{Text: "2D Stacked Column Chart"}}, PlotArea: plotArea, Fill: Fill{Type: "pattern", Pattern: 1}, Border: ChartLine{Type: ChartLineAutomatic}, ShowBlanksAs: "zero"}},
{sheetName: "Sheet1", cell: "P16", opts: &Chart{Type: ColPercentStacked, Series: series, Format: format, Legend: legend, Title: []RichTextRun{{Text: "100% Stacked Column Chart"}}, PlotArea: plotArea, Fill: Fill{Type: "pattern", Color: []string{"EEEEEE"}, Pattern: 1}, Border: ChartLine{Type: ChartLineSolid, Width: 2}, ShowBlanksAs: "zero"}},
{sheetName: "Sheet1", cell: "X16", opts: &Chart{Type: Col3DClustered, Series: series, Format: format, Legend: ChartLegend{Position: "bottom", ShowLegendKey: false}, Title: []RichTextRun{{Text: "3D Clustered Column Chart"}}, PlotArea: plotArea, ShowBlanksAs: "zero"}},
{sheetName: "Sheet1", cell: "P30", opts: &Chart{Type: Col3DStacked, Series: series, Format: format, Legend: legend, Title: []RichTextRun{{Text: "3D Stacked Column Chart"}}, PlotArea: plotArea, ShowBlanksAs: "zero"}},
{sheetName: "Sheet1", cell: "X30", opts: &Chart{Type: Col3DPercentStacked, Series: series, Format: format, Legend: legend, Title: []RichTextRun{{Text: "3D 100% Stacked Column Chart"}}, PlotArea: plotArea, ShowBlanksAs: "zero"}},
Expand Down
43 changes: 26 additions & 17 deletions drawing.go
Original file line number Diff line number Diff line change
Expand Up @@ -107,6 +107,7 @@ func (f *File) addChart(opts *Chart, comboCharts []*Chart) {
},
},
}
xlsxChartSpace.SpPr = f.drawShapeFill(opts.Fill, xlsxChartSpace.SpPr)
plotAreaFunc := map[ChartType]func(*Chart) *cPlotArea{
Area: f.drawBaseChart,
AreaStacked: f.drawBaseChart,
Expand Down Expand Up @@ -167,6 +168,7 @@ func (f *File) addChart(opts *Chart, comboCharts []*Chart) {
if opts.Legend.Position == "none" {
xlsxChartSpace.Chart.Legend = nil
}
xlsxChartSpace.Chart.PlotArea.SpPr = f.drawShapeFill(opts.PlotArea.Fill, xlsxChartSpace.Chart.PlotArea.SpPr)
addChart := func(c, p *cPlotArea) {
immutable, mutable := reflect.ValueOf(c).Elem(), reflect.ValueOf(p).Elem()
for i := 0; i < mutable.NumField(); i++ {
Expand Down Expand Up @@ -727,19 +729,28 @@ func (f *File) drawChartSeries(opts *Chart) *[]cSer {
return &ser
}

// drawShapeFill provides a function to draw the a:solidFill element by given
// fill format sets.
func (f *File) drawShapeFill(fill Fill, spPr *cSpPr) *cSpPr {
if fill.Type == "pattern" && fill.Pattern == 1 {
if spPr == nil {
spPr = &cSpPr{}
}
if len(fill.Color) == 1 {
spPr.SolidFill = &aSolidFill{SrgbClr: &attrValString{Val: stringPtr(strings.TrimPrefix(fill.Color[0], "#"))}}
return spPr
}
spPr.SolidFill = nil
spPr.NoFill = stringPtr("")
}
return spPr
}

// drawChartSeriesSpPr provides a function to draw the c:spPr element by given
// format sets.
func (f *File) drawChartSeriesSpPr(i int, opts *Chart) *cSpPr {
var srgbClr *attrValString
var schemeClr *aSchemeClr

if color := opts.Series[i].Fill.Color; len(color) == 1 {
srgbClr = &attrValString{Val: stringPtr(strings.TrimPrefix(color[0], "#"))}
} else {
schemeClr = &aSchemeClr{Val: "accent" + strconv.Itoa((opts.order+i)%6+1)}
}

spPr := &cSpPr{SolidFill: &aSolidFill{SchemeClr: schemeClr, SrgbClr: srgbClr}}
spPr := &cSpPr{SolidFill: &aSolidFill{SchemeClr: &aSchemeClr{Val: "accent" + strconv.Itoa((opts.order+i)%6+1)}}}
spPr = f.drawShapeFill(opts.Series[i].Fill, spPr)
spPrScatter := &cSpPr{
Ln: &aLn{
W: 25400,
Expand All @@ -748,20 +759,17 @@ func (f *File) drawChartSeriesSpPr(i int, opts *Chart) *cSpPr {
}
spPrLine := &cSpPr{
Ln: &aLn{
W: f.ptToEMUs(opts.Series[i].Line.Width),
Cap: "rnd", // rnd, sq, flat
SolidFill: &aSolidFill{
SchemeClr: schemeClr,
SrgbClr: srgbClr,
},
W: f.ptToEMUs(opts.Series[i].Line.Width),
Cap: "rnd", // rnd, sq, flat
SolidFill: spPr.SolidFill,
},
}
if chartSeriesSpPr, ok := map[ChartType]*cSpPr{
Line: spPrLine, Scatter: spPrScatter,
}[opts.Type]; ok {
return chartSeriesSpPr
}
if srgbClr != nil {
if spPr.SolidFill.SrgbClr != nil {
return spPr
}
return nil
Expand Down Expand Up @@ -857,6 +865,7 @@ func (f *File) drawChartSeriesMarker(i int, opts *Chart) *cMarker {
},
}
}
marker.SpPr = f.drawShapeFill(opts.Series[i].Marker.Fill, marker.SpPr)
chartSeriesMarker := map[ChartType]*cMarker{Scatter: marker, Line: marker}
return chartSeriesMarker[opts.Type]
}
Expand Down
3 changes: 3 additions & 0 deletions xmlChart.go
Original file line number Diff line number Diff line change
Expand Up @@ -561,6 +561,7 @@ type ChartPlotArea struct {
ShowPercent bool
ShowSerName bool
ShowVal bool
Fill Fill
NumFmt ChartNumFmt
}

Expand All @@ -576,6 +577,7 @@ type Chart struct {
XAxis ChartAxis
YAxis ChartAxis
PlotArea ChartPlotArea
Fill Fill
Border ChartLine
ShowBlanksAs string
BubbleSize int
Expand All @@ -591,6 +593,7 @@ type ChartLegend struct {

// ChartMarker directly maps the format settings of the chart marker.
type ChartMarker struct {
Fill Fill
Symbol string
Size int
}
Expand Down
Loading