Please suggest how chart4.rb can be modified,  to position the 4
image
in the four corners of the main window.  Desired layout shown below.

  |------------------------|
  | chart1 | chart2 |
  |------------------------|
  |  chart3 | chart4 |
  |------------------------|

Thanks,
John

#  Chart4.rb
require 'fox16'
require 'google_chart'
require 'open-uri'

include Fox

class ChartsWindow < FXMainWindow
  def initialize(app)
    super(app, "Google Charts Demo", :width => 650, :height => 450)
    FXImageFrame.new(self, nil, :opts => FRAME_SUNKEN) do |f|
      f.image = FXPNGImage.new(app, open(pie_chart.to_escaped_url,
"rb").read)
    end
    FXImageFrame.new(self, nil ) do |f|
      f.image = FXPNGImage.new(app, open(line_chart.to_escaped_url,
"rb").read)
    end
    FXImageFrame.new(self, nil ) do |f|
      f.image = FXPNGImage.new(app, open(ven_chart.to_escaped_url,
"rb").read)
    end
    FXImageFrame.new(self, nil ) do |f|
      f.image = FXPNGImage.new(app, open(scatter_chart.to_escaped_url,
"rb").read)
    end
  end

  def pie_chart
    # Pie Chart
    GoogleChart::PieChart.new('320x200', "Pie Chart",false) do |pc|
      pc.data "Apples", 40
      pc.data "Banana", 20
      pc.data "Peach", 30
      pc.data "Orange", 60
    end
  end

 def line_chart
    GoogleChart::LineChart.new('320x200', "Line Chart", false) do |lc|
      lc.data "Trend 1", [5,4,3,1,3,5,6], '0000ff'
      lc.show_legend = true
      lc.data "Trend 2", [1,2,3,4,5,6], '00ff00'
      lc.data "Trend 3", [6,5,4,3,2,1], 'ff0000'
      lc.axis :y, :range => [0,6], :color => 'ff00ff', :font_size =>
16, :alignment => :center
      lc.axis :x, :range => [0,6], :color => '00ffff', :font_size =>
16, :alignment => :center
      lc.grid :x_step => 100.0/6.0, :y_step =>
100.0/6.0, :length_segment => 1, :length_blank => 0
    end
  end

 def ven_chart
    GoogleChart::VennDiagram.new("320x200", 'Venn Diagram') do |vd|
      vd.data "Blue", 100, '0000ff'
      vd.data "Green", 80, '00ff00'
      vd.data "Red",   60, 'ff0000'
      vd.intersections 30,30,30,10
    end
 end

 def scatter_chart
   GoogleChart::ScatterChart.new('320x200',"Scatter Chart") do |sc|
      sc.data "Scatter Set", [[1,1,], [2,2], [3,3], [4,4]]
      sc.max_value [5,5] # Setting the max value
      sc.axis :x, :range => [0,5]
      sc.axis :y, :range => [0,5], :labels => [0,1,2,3,4,5]
      sc.point_sizes [10,15,30,55] # Optional
    end
end


  def create
    super
    show(PLACEMENT_SCREEN)
  end
end

if __FILE__ == $0
  FXApp.new do |app|
    ChartsWindow.new(app)
    app.create
    app.run
  end
end