Class: RubyPost::BaseGraphData

Inherits:
BaseDrawCommand show all
Defined in:
lib/graph.rb

Overview

Base class for all graph data. There are some commands, such as autogrid that must be called after the data is entered with gdraw. There are others that must be set before the call, such as setcoords. These macro ensure that order is maintained

Direct Known Subclasses

GraphFile

Instance Attribute Summary

Attributes inherited from BaseDrawCommand

#drawable

Instance Method Summary collapse

Methods inherited from BaseDrawCommand

#add_option, #color, #colour, #compile_options, #rotate, #scale, #set_drawable, #translate

Methods inherited from Object

#compile

Constructor Details

#initialize ⇒ BaseGraphData

Returns a new instance of BaseGraphData.



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# File 'lib/graph.rb', line 60

def initialize
  super()
  @pre_commands = Array.new
  @post_commands = Array.new
end

Instance Method Details

#add_coords(coords) ⇒ Object 



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# File 'lib/graph.rb', line 90

def add_coords(coords)
  add_pre_command(coords)
end

#add_grid(grid) ⇒ Object

add a grid to the graph. This is always done as a post command in metapost



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# File 'lib/graph.rb', line 82

def add_grid(grid)
  add_post_command(grid)
end

#add_label(coords) ⇒ Object

add a label to this graph data



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# File 'lib/graph.rb', line 95

def add_label(coords)
  add_post_command(coords)
end

#add_post_command(c) ⇒ Object 



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# File 'lib/graph.rb', line 70

def add_post_command(c)
  @post_commands.push(c)
end

#add_pre_command(c) ⇒ Object 



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# File 'lib/graph.rb', line 66

def add_pre_command(c)
  @pre_commands.push(c)
end

#add_range(range) ⇒ Object 



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# File 'lib/graph.rb', line 86

def add_range(range)
  add_pre_command(range)
end

#compile_post_commands ⇒ Object 



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# File 'lib/graph.rb', line 99

def compile_post_commands
  str = String.new
  @post_commands.each { |c| str = str + c.compile }
  return str
end

#compile_pre_commands ⇒ Object 



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# File 'lib/graph.rb', line 74

def compile_pre_commands
  str = String.new
  @pre_commands.each { |c| str = str + c.compile }
  return str
end