Class: CTioga2::Graphics::Styles::CurveStyle

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

Overview

A class holding all the styles for a curve.

todo maybe for objects different than Curve2D, a subclass of CurveStyle could be used ? This way, we could have clearly separated legends and the like ?

Constant Summary

Constants inherited from BasicStyle

BasicStyle::AllStyles, BasicStyle::OldAttrAccessor

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from BasicStyle

alias_for, aliases, attr_accessor, attribute_type, attribute_types, attributes, convert_string_hash, defined_aliases, deprecated_attribute, from_hash, inherited, #instance_variable_defined?, normalize_hash, normalize_in, normalize_out, options_hash, #set_from_hash, sub_style, sub_styles, #to_hash, typed_attribute, #update_from_other

Constructor Details

#initialize ⇒ CurveStyle

Returns a new instance of CurveStyle.



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# File 'lib/ctioga2/graphics/styles/curve.rb', line 112

def initialize()
  @clipped = true
  @depth = 50
end

Instance Attribute Details

#target ⇒ Object

The object attached to this style. It is set by Generator#curve_from_dataset



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# File 'lib/ctioga2/graphics/styles/curve.rb', line 110

def target
  @target
end

Instance Method Details

#draw_legend_pictogram(t) ⇒ Object

TODO:

Most probably the legend pictogram should be done by

Draws a legend pictogram that fills up the whole current frame.

todo add more elements to the pictogram in case of more complex things.

the curve directly rather than by the style.



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# File 'lib/ctioga2/graphics/styles/curve.rb', line 140

def draw_legend_pictogram(t)
  t.context do
    case @target
    when Elements::Curve2D
      if has_line?
        @line.set_stroke_style(t)
        t.stroke_line(0.0, 0.5, 1.0, 0.5)
      end
      if has_marker?
        @marker.draw_markers_at(t, [0.5], [0.5])
      end
    when Elements::Parametric2D
      if has_marker? && @marker_color_map
        colors = @marker_color_map.colors.uniq
        i = 1
        total = colors.size + 1.0
        for c in colors
          @marker.draw_markers_at(t, [i/total], [0.5], 
                                  {'color' => c} )
          i += 1
        end
      end
    end
  end
end

#has_legend? ⇒ Boolean

True if there is one legend to be drawn for this object.

Returns:

  • (Boolean) 


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# File 'lib/ctioga2/graphics/styles/curve.rb', line 128

def has_legend?
  return @legend
end

#has_line? ⇒ Boolean

True if a line should be drawn.

Returns:

  • (Boolean) 


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# File 'lib/ctioga2/graphics/styles/curve.rb', line 118

def has_line?
  return @line && @line.style
end

#has_marker? ⇒ Boolean

True if markers should be drawn

Returns:

  • (Boolean) 


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# File 'lib/ctioga2/graphics/styles/curve.rb', line 123

def has_marker?
  return @marker && @marker.marker
end