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-rw-r--r--lib/axlsx/drawing/chart.rb16
1 files changed, 8 insertions, 8 deletions
diff --git a/lib/axlsx/drawing/chart.rb b/lib/axlsx/drawing/chart.rb
index 300a5086..436319fb 100644
--- a/lib/axlsx/drawing/chart.rb
+++ b/lib/axlsx/drawing/chart.rb
@@ -206,13 +206,13 @@ module Axlsx
# @return [String]
def to_xml_string(str = +'')
str << '<?xml version="1.0" encoding="UTF-8"?>'
- str << (+'<c:chartSpace xmlns:c="' << XML_NS_C << '" xmlns:a="' << XML_NS_A << '" xmlns:r="' << XML_NS_R << '">')
- str << (+'<c:date1904 val="' << Axlsx::Workbook.date1904.to_s << '"/>')
- str << (+'<c:roundedCorners val="' << rounded_corners.to_s << '"/>')
- str << (+'<c:style val="' << style.to_s << '"/>')
+ str << '<c:chartSpace xmlns:c="' << XML_NS_C << '" xmlns:a="' << XML_NS_A << '" xmlns:r="' << XML_NS_R << '">'
+ str << '<c:date1904 val="' << Axlsx::Workbook.date1904.to_s << '"/>'
+ str << '<c:roundedCorners val="' << rounded_corners.to_s << '"/>'
+ str << '<c:style val="' << style.to_s << '"/>'
str << '<c:chart>'
@title.to_xml_string(str) unless @title.empty?
- str << (+'<c:autoTitleDeleted val="' << @title.nil?.to_s << '"/>')
+ str << '<c:autoTitleDeleted val="' << @title.nil?.to_s << '"/>'
@view_3D.to_xml_string(str) if @view_3D
str << '<c:floor><c:thickness val="0"/></c:floor>'
str << '<c:sideWall><c:thickness val="0"/></c:sideWall>'
@@ -223,13 +223,13 @@ module Axlsx
str << '</c:plotArea>'
if @show_legend
str << '<c:legend>'
- str << (+'<c:legendPos val="' << @legend_position.to_s << '"/>')
+ str << '<c:legendPos val="' << @legend_position.to_s << '"/>'
str << '<c:layout/>'
str << '<c:overlay val="0"/>'
str << '</c:legend>'
end
- str << (+'<c:plotVisOnly val="' << @plot_visible_only.to_s << '"/>')
- str << (+'<c:dispBlanksAs val="' << display_blanks_as.to_s << '"/>')
+ str << '<c:plotVisOnly val="' << @plot_visible_only.to_s << '"/>'
+ str << '<c:dispBlanksAs val="' << display_blanks_as.to_s << '"/>'
str << '<c:showDLblsOverMax val="1"/>'
str << '</c:chart>'
if bg_color