Fix the error on getting the range of merged cells on the worksheet which contains one cell merged cell range

- Parse workbook default theme for custom theme color support in the feature
- Variables name typo fix
- Add system foreground and background color as RGB in the IndexedColorMapping list

1 files changed, 1 insertions, 1 deletions

diff --git a/shape.go b/shape.go
index e3c6c8b..9f250d7 100644
--- a/shape.go
+++ b/shape.go
@@ -418,7 +418,7 @@ func (f *File) addDrawingShape(sheet, drawingXML, cell string, opts *shapeOption
 					AltLang: "en-US",
 					U:       u,
 					Sz:      p.Font.Size * 100,
-					Latin:   &aLatin{Typeface: p.Font.Family},
+					Latin:   &xlsxCTTextFont{Typeface: p.Font.Family},
 				},
 				T: text,
 			},