lib/writeexcel/charts/bar.rb in writeexcel-0.4.1 vs lib/writeexcel/charts/bar.rb in writeexcel-0.4.2

@@ -13,10 +13,12 @@
 # converted to Ruby by Hideo Nakamura, [e-mail]
 #
 
 require 'writeexcel/chart'
 
+module Writeexcel
+
 class Chart
 
   #
   # ==SYNOPSIS
   #
@@ -27,11 +29,11 @@
   #    require 'writeexcel'
   #
   #    workbook  = WriteExcel.new('chart.xls')
   #    worksheet = workbook.add_worksheet
   #
-  #    chart     = workbook.add_chart(:type => Chart::Bar)
+  #    chart     = workbook.add_chart(:type => 'Chart::Bar')
   #
   #    # Configure the chart.
   #    chart.add_series(
   #      :categories => '=Sheet1!$A$2:$A$7',
   #      :values     => '=Sheet1!$B$2:$B$7',
@@ -50,11 +52,11 @@
   # ==DESCRIPTION
   #
   # This module implements Bar charts for WriteExcel. The chart object is
   #  created via the Workbook add_chart method:
   #
-  #    chart = workbook.add_chart(:type => Chart::Bar)
+  #    chart = workbook.add_chart(:type => 'Chart::Bar')
   #
   # Once the object is created it can be configured via the following methods
   # that are common to all chart classes:
   #
   #    chart.add_series
@@ -93,11 +95,11 @@
   #
   #    worksheet.write('A1', headings, bold)
   #    worksheet.write('A2', data)
   #
   #    # Create a new chart object. In this case an embedded chart.
-  #    chart = workbook.add_chart(:type => Chart::Bar, :embedded => 1)
+  #    chart = workbook.add_chart(:type => 'Chart::Bar', :embedded => 1)
   #
   #    # Configure the first series. (Sample 1)
   #    chart.add_series(
   #      :name       => 'Sample 1',
   #      :categories => '=Sheet1!$A$2:$A$7',
@@ -148,16 +150,11 @@
       length    = 0x0006     # Number of bytes to follow.
       pcOverlap = 0x0000     # Space between bars.
       pcGap     = 0x0096     # Space between cats.
       grbit     = 0x0001     # Option flags.
 
-      header = [record, length].pack('vv')
-      data  = [pcOverlap].pack('v')
-      data += [pcGap].pack('v')
-      data += [grbit].pack('v')
-
-      append(header, data)
+      store_simple(record, length, pcOverlap, pcGap, grbit)
     end
 
     ###############################################################################
     #
     # _set_embedded_config_data()
@@ -173,6 +170,8 @@
       @config[:x_axis_text_pos] = [ 2,      2,      0,      0,     0x17,  0x2A ]
       @config[:y_axis_text]     = [ 0x074A, 0x0C8F, 0x021F, 0x123, 0x81,  0x0000 ]
       @config[:y_axis_text_pos] = [ 2,      2,      0,      0,     0x45,  0x17 ]
     end
   end
-end
+end  # class Chart
+
+end  # module Writeexcel