Class: CTioga2::Graphics::Elements::TiogaPrimitiveCall

Inherits:
TiogaElement
  • Object
show all
Defined in:
lib/ctioga2/graphics/elements/primitive.rb

Overview

A TiogaElement that represents a graphics primitive.

Defined Under Namespace

Classes: TiogaPrimitive

Constant Summary collapse

PrimitiveCommands = 
{}
PrimitiveGroup = 
CmdGroup.new('tioga-primitives',
"Graphics primitives",
"Tioga graphics primitives", 3)
MarkerOptions =

TODO: add rendering mode !!

{
  'color' => 'color',
  'stroke_color' => 'color',
  'fill_color' => 'color',
  'scale' => 'float',
  'horizontal_scale' => 'float',
  'vertical_scale' => 'float',
  'angle' => 'float',
  'justification' => 'justification',
  'alignment' => 'alignment',
}

Instance Attribute Summary collapse

Attributes inherited from TiogaElement

#parent

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from TiogaElement

#do, #inspect

Methods included from Log

debug, error, fatal, #format_exception, #identify, info, init_logger, logger, set_level, #spawn, warn

Constructor Details

#initialize(primitive, arguments, options) ⇒ TiogaPrimitiveCall

Creates a new TiogaPrimitiveCall object.



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# File 'lib/ctioga2/graphics/elements/primitive.rb', line 70

def initialize(primitive, arguments, options)
  @primitive = primitive
  @arguments = arguments
  @options = options
end

Instance Attribute Details

#arguments ⇒ Object

An array containing the values of the compulsory arguments



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# File 'lib/ctioga2/graphics/elements/primitive.rb', line 63

def arguments
  @arguments
end

#options ⇒ Object

A hash containing the values of the optional arguments



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# File 'lib/ctioga2/graphics/elements/primitive.rb', line 66

def options
  @options
end

#primitive ⇒ Object

A TiogaPrimitive object describing the current primitive



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# File 'lib/ctioga2/graphics/elements/primitive.rb', line 60

def primitive
  @primitive
end

Class Method Details

.get_primitive(name) ⇒ Object

Returns a pair primitive/primitive command for the named primitive, or [ nil, nil ]



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# File 'lib/ctioga2/graphics/elements/primitive.rb', line 118

def self.get_primitive(name)
  return [@known_primitives[name], PrimitiveCommands[name]]
end

.primitive(name, long_name, comp, opts = {}, &code) ⇒ Object

Creates a new primitive with the given parameters, and makes it immediately available as a command.



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# File 'lib/ctioga2/graphics/elements/primitive.rb', line 86

def self.primitive(name, long_name, comp, opts = {}, &code)
  primitive = TiogaPrimitive.new(name, comp, opts, &code)
  @known_primitives[name] = primitive
  
  # Now, create the command
  cmd_args = comp.map do |x|
    CmdArg.new(x)
  end

  cmd_opts = {}
  for k,v in opts
    cmd_opts[k] = CmdArg.new(v)
  end
  
  cmd = Cmd.new("draw-#{name}",nil,"--draw-#{name}", 
                cmd_args, cmd_opts) do |plotmaker, *rest|
    options = rest.pop
    call = Elements::
      TiogaPrimitiveCall.new(primitive,
                             rest, options)
    plotmaker.root_object.current_plot.
      add_element(call)
  end
  cmd.describe("Draws #{long_name}",
               "Directly draws #{long_name} on the current plot", PrimitiveGroup)

  PrimitiveCommands[name] = cmd
end