Class: Bio::Graphics::Glyph::DirectedBox
- Defined in:
- lib/bio/graphics/glyphs/directed_box.rb
Instance Attribute Summary
Attributes inherited from Common
Instance Method Summary collapse
Methods inherited from Common
#initialize, #left_pixel, #right_pixel
Constructor Details
This class inherits a constructor from Bio::Graphics::Glyph::Common
Instance Method Details
#draw ⇒ Object
11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 |
# File 'lib/bio/graphics/glyphs/directed_box.rb', line 11 def draw if @subfeature.strand == -1 # Reverse strand @feature_context.move_to(self.left_pixel + Bio::Graphics::FEATURE_ARROW_LENGTH, 0) @feature_context.line_to(self.right_pixel, 0) @feature_context.line_to(self.right_pixel, Bio::Graphics::FEATURE_HEIGHT) @feature_context.line_to(self.left_pixel + Bio::Graphics::FEATURE_ARROW_LENGTH, Bio::Graphics::FEATURE_HEIGHT) @feature_context.stroke open_arrow(@feature_context,:left,self.left_pixel+Bio::Graphics::FEATURE_ARROW_LENGTH,0,Bio::Graphics::FEATURE_ARROW_LENGTH) else #default is forward strand @feature_context.move_to(self.right_pixel - Bio::Graphics::FEATURE_ARROW_LENGTH, 0) @feature_context.line_to(self.left_pixel, 0) @feature_context.line_to(self.left_pixel, Bio::Graphics::FEATURE_HEIGHT) @feature_context.line_to(self.right_pixel - Bio::Graphics::FEATURE_ARROW_LENGTH, Bio::Graphics::FEATURE_HEIGHT) open_arrow(@feature_context, :right, self.right_pixel - Bio::Graphics::FEATURE_ARROW_LENGTH, 0, Bio::Graphics::FEATURE_ARROW_LENGTH) end end |