Class: CTioga::RulerSemiPrimitive

Inherits:
TiogaPrimitiveMaker show all
Includes:
Tioga::FigureConstants
Defined in:
lib/CTioga/elements/tioga_primitives.rb

Overview

A ruler

Constant Summary

Constants inherited from TiogaPrimitiveMaker

TiogaPrimitiveMaker::Alignment, TiogaPrimitiveMaker::Boolean, TiogaPrimitiveMaker::Color, TiogaPrimitiveMaker::FloatArray, TiogaPrimitiveMaker::Justification, TiogaPrimitiveMaker::LineStyle, TiogaPrimitiveMaker::Marker, TiogaPrimitiveMaker::Number, TiogaPrimitiveMaker::PRIMITIVES, TiogaPrimitiveMaker::Point

Instance Attribute Summary

Attributes inherited from TiogaPrimitiveMaker

#compulsory, #optional, #symbol

Instance Method Summary collapse

Methods inherited from TiogaPrimitiveMaker

#initialize, introspect, #parse_args, parse_spec

Methods included from Debug

#debug_figmaker, #debug_patterns, #debug_puts, #figmaker_options, #test_pattern, #test_pattern_right

Methods included from Log

#identify, #init_logger, #logger, #logger_options, #spawn

Constructor Details

This class inherits a constructor from CTioga::TiogaPrimitiveMaker

Instance Method Details

#make_funcall(args, plotmaker) ⇒ Object 



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# File 'lib/CTioga/elements/tioga_primitives.rb', line 357

def make_funcall(args, plotmaker)
  dict = parse_args(args)

  ret = []

  line_dict = dict.dup
  line_dict['head_marker'] ||= Tioga::FigureConstants::BarThin
  line_dict['tail_marker'] ||= Tioga::FigureConstants::BarThin

  line_dict['tail_scale'] ||= 0.5
  line_dict['head_scale'] ||= 0.5

  
  line_dict['tail'] = dict['point']
  # We start from point and go on
  line_dict['head'] = dict['point'].dup
  if @symbol == :vrule
    line_dict['head'][1] += dict['size']
  else
    line_dict['head'][0] += dict['size']
  end

  for k in %w(label size point)
    line_dict.delete k
  end

  ret << TiogaFuncall.new(:show_arrow, line_dict)

  # For the label, we tweak the aligment
  if dict.key? 'label'
    label = {}
    label['at'] = (Dobjects::Dvector.new(line_dict['head']) + 
                   Dobjects::Dvector.new(line_dict['tail'])) * 0.5
    label['text'] = dict['label']
    # We place the label on the left/bottom
    if @symbol == :vrule
      label['justification'] = RIGHT_JUSTIFIED
      label['alignment'] = ALIGNED_AT_MIDHEIGHT
    else
      label['justification'] = CENTERED
      label['alignment'] = ALIGNED_AT_TOP
    end
    ret << TiogaFuncall.new(:show_text, label)
  end
  
                         
  # And we return the Funcall(s)...
  return ret
end