Not able to specify font family on the title of a chart

[jebirch]

Description

When I specify the font family for the title on a chart then I am getting a nil pointer exception:

...
Title: []excelize.RichTextRun{{Text: "Test", Font: &excelize.Font{Size: 11, Family: "Aptos"}}},
...

For me it looks like the problem is here:

diff --git a/drawing.go b/drawing.go
index 7241dac..8c336f2 100644
--- a/drawing.go
+++ b/drawing.go
@@ -1198,6 +1198,9 @@ func drawChartFont(fnt *Font, r *aRPr) {
                r.SolidFill.SrgbClr = &attrValString{Val: stringPtr(strings.ReplaceAll(strings.ToUpper(fnt.Color), "#", ""))}
        }
        if fnt.Family != "" {
+               if r.Latin == nil {
+                       r.Latin = &xlsxCTTextFont{}
+               }
                r.Latin.Typeface = fnt.Family
        }
        if fnt.Size > 0 {

Steps to reproduce the issue

Add Family parameter to title of a chart

Describe the results you received

Getting a nil pointer exception

Describe the results you expected

No exceptions

Go version

1.24

Excelize version or commit ID

2.9.0

Environment

Linux

Validations

• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• The provided reproduction is a minimal reproducible example of the bug.

[xuri]

Thanks for your issue. This issue has been fixed, please upgrade to the master branch code by go get -u github.com/xuri/excelize/v2@master, and this patch will be released in the next version.