Class: CTioga2::Graphics::Styles::MarkerStyle

Inherits:
BasicStyle
  • Object
show all
Defined in:
lib/ctioga2/graphics/styles/drawable.rb

Overview

This class represents all the stylistic information to draw a Marker.

todo many things are still missing here…

  • in particular, angles could be handled here, and they could be handled directly in the marker specification…

Constant Summary

Constants inherited from BasicStyle

BasicStyle::AllStyles, BasicStyle::OldAttrAccessor

Instance Method Summary collapse

Methods inherited from BasicStyle

alias_for, attr_accessor, attribute_type, attribute_types, attributes, deprecated_attribute, from_hash, inherited, #instance_variable_defined?, options_hash, #set_from_hash, sub_style, sub_styles, #to_hash, typed_attribute, #update_from_other

Instance Method Details

#draw_markers_at(t, x, y, override = nil) ⇒ Object

Shows the marker at a given location/set of locations.

p override is a hash that can override part of the dictionnary specification.



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# File 'lib/ctioga2/graphics/styles/drawable.rb', line 84

def draw_markers_at(t, x, y, override = nil)
  t.context do
    ## \todo allow custom line types for markers ?
    t.line_type = LineStyles::Solid
    dict = { 
      'marker' => @marker, 
      'color' => @color
    }
    if x.is_a? Numeric
      dict['x'] = x
      dict['y'] = y
    else
      dict['Xs'] = x
      dict['Ys'] = y
    end

    if @scale
      dict['scale'] = @scale
    end
    if override
      dict.merge!(override)
    end
    t.show_marker(dict)
  end
end