From d74a588a2f5b3e15a4fe94a946f058d0dfaa1c5e Mon Sep 17 00:00:00 2001
From: Oleg Yakovenko <olegykz@gmail.com>
Date: Mon, 1 Mar 2021 18:20:12 +0200
Subject: feature: scatter series should respect marker preference of parent
 chart

---
 lib/axlsx/drawing/scatter_series.rb |  7 +++++++
 test/drawing/tc_scatter_series.rb   | 12 ++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/lib/axlsx/drawing/scatter_series.rb b/lib/axlsx/drawing/scatter_series.rb
index b9ca2c1d..1e116860 100644
--- a/lib/axlsx/drawing/scatter_series.rb
+++ b/lib/axlsx/drawing/scatter_series.rb
@@ -28,6 +28,10 @@ module Axlsx
     # @return [Boolean]
     attr_reader :smooth
 
+    # Line markers presence
+    # @return [Boolean]
+    attr_reader :marker
+
     # Creates a new ScatterSeries
     def initialize(chart, options={})
       @xData, @yData = nil
@@ -40,6 +44,8 @@ module Axlsx
         @smooth = options[:smooth]
       end
       @ln_width = options[:ln_width] unless options[:ln_width].nil?
+      @marker = [:lineMarker, :marker, :smoothMarker].include?(chart.scatter_style)
+
       super(chart, options)
       @xData = AxDataSource.new(:tag_name => :xVal, :data => options[:xData]) unless options[:xData].nil?
       @yData = NumDataSource.new({:tag_name => :yVal, :data => options[:yData]}) unless options[:yData].nil?
@@ -81,6 +87,7 @@ module Axlsx
           str << '<a:ln><a:solidFill>'
           str << ('<a:srgbClr val="' << color << '"/></a:solidFill></a:ln>')
           str << '</c:spPr>'
+          str << '<c:symbol val="none"/>' unless marker
           str << '</c:marker>'
         end
         if ln_width
diff --git a/test/drawing/tc_scatter_series.rb b/test/drawing/tc_scatter_series.rb
index ea3611ab..2139d65f 100644
--- a/test/drawing/tc_scatter_series.rb
+++ b/test/drawing/tc_scatter_series.rb
@@ -53,4 +53,16 @@ class TestScatterSeries < Test::Unit::TestCase
     assert_equal(doc.xpath("//a:ln[@w='#{@series.ln_width}']").length, 1)
   end
 
+  def test_chart_style_with_marker
+    @chart = @ws.add_chart Axlsx::ScatterChart, :title => "Smooth Chart", :scatter_style => :smoothMarker
+    @series = @chart.add_series :xData=>[1,2,4], :yData=>[1,3,9]
+    assert(@series.marker, "markers are enabled for marker-related styles")
+  end
+
+  def test_chart_style_without_marker
+    @chart = @ws.add_chart Axlsx::ScatterChart, :title => "Line chart", :scatter_style => :line
+    @series = @chart.add_series :xData=>[1,2,4], :yData=>[1,3,9]
+    assert(!@series.marker, "markers are disabled for markerless scatter styles")
+  end
+
 end
-- 
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