Class: Glimmer::SWT::Custom::Shape::Line

Inherits:
Glimmer::SWT::Custom::Shape show all
Defined in:
lib/glimmer/swt/custom/shape/line.rb

Constant Summary

Constants inherited from Glimmer::SWT::Custom::Shape

String

Instance Attribute Summary

Attributes inherited from Glimmer::SWT::Custom::Shape

#args, #drawable, #extent, #name, #options, #parent, #shapes

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Glimmer::SWT::Custom::Shape

#absolute_x, #absolute_y, #add_shape, #amend_method_name_options_based_on_properties!, #apply_property_arg_conversions, #apply_shape_arg_conversions!, #apply_shape_arg_defaults!, arg_options, #background_pattern_args, #calculate_paint_args!, #calculated_args, #calculated_args?, #calculated_args_changed!, #calculated_args_changed_for_defaults!, #calculated_height, #calculated_width, #calculated_x, #calculated_y, create, #current_parameter_name?, #default_height, #default_height?, #default_height_delta, #default_height_delta=, #default_width, #default_width?, #default_width_delta, #default_width_delta=, #default_x, #default_x?, #default_x_delta, #default_x_delta=, #default_y, #default_y?, #default_y_delta, #default_y_delta=, #dispose, #draw?, #ensure_extent, #expanded_shapes, #fill?, flyweight_method_names, flyweight_patterns, #foreground_pattern_args, gc_instance_methods, #get_attribute, #gradient?, #has_attribute?, #has_some_background?, #has_some_foreground?, #initialize, #inspect, keywords, #location, #method_missing, method_name, #paint, #paint_children, #paint_self, #parameter_index, #parameter_name?, #parent_shape_absolute_location_changed?, #pattern, pattern, #pattern_args, #possible_parameter_names, #post_add_content, #respond_to?, #round?, #set_attribute, #set_parameter_attribute, #tolerate_shape_extra_args!, valid?

Methods included from Properties

attribute_getter, #attribute_getter, attribute_setter, #attribute_setter, normalized_attribute, #normalized_attribute, ruby_attribute_getter, #ruby_attribute_setter, ruby_attribute_setter

Methods included from Packages

included

Constructor Details

This class inherits a constructor from Glimmer::SWT::Custom::Shape

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Glimmer::SWT::Custom::Shape

Class Method Details

.include?(x1, y1, x2, y2, x, y) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/glimmer/swt/custom/shape/line.rb', line 37

def include?(x1, y1, x2, y2, x, y)
  distance1 = Math.sqrt((x - x1)**2 + (y - y1)**2)
  distance2 = Math.sqrt((x2 - x)**2 + (y2 - y)**2)
  distance = Math.sqrt((x2 - x1)**2 + (y2 - y1)**2)
  (distance1 + distance2).to_i == distance.to_i
end

Instance Method Details

#absolute_x1 ⇒ Object 



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# File 'lib/glimmer/swt/custom/shape/line.rb', line 89

def absolute_x1
  if parent.is_a?(Shape)
    parent.absolute_x + x1
  else
    x1
  end
end

#absolute_x2 ⇒ Object 



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# File 'lib/glimmer/swt/custom/shape/line.rb', line 105

def absolute_x2
  if parent.is_a?(Shape)
    parent.absolute_x + x2
  else
    x2
  end
end

#absolute_y1 ⇒ Object 



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# File 'lib/glimmer/swt/custom/shape/line.rb', line 97

def absolute_y1
  if parent.is_a?(Shape)
    parent.absolute_y + y1
  else
    y1
  end
end

#absolute_y2 ⇒ Object 



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# File 'lib/glimmer/swt/custom/shape/line.rb', line 113

def absolute_y2
  if parent.is_a?(Shape)
    parent.absolute_y + y1
  else
    y2
  end
end

#bounds ⇒ Object 



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# File 'lib/glimmer/swt/custom/shape/line.rb', line 53

def bounds
  shape_bounds = geometry.getBounds2D
  org.eclipse.swt.graphics.Rectangle.new(shape_bounds.x, shape_bounds.y, shape_bounds.width, shape_bounds.height)
end

#geometry ⇒ Object 



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# File 'lib/glimmer/swt/custom/shape/line.rb', line 63

def geometry
  java.awt.geom.Line2D::Double.new(absolute_x1, absolute_y1, absolute_x2, absolute_y2)
end

#height ⇒ Object 



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# File 'lib/glimmer/swt/custom/shape/line.rb', line 85

def height
  bounds.height
end

#include?(x, y) ⇒ Boolean Also known as: contain?

Returns:

  • (Boolean) 


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# File 'lib/glimmer/swt/custom/shape/line.rb', line 121

def include?(x, y)
  # TODO must account for line width
  Line.include?(absolute_x1, absolute_y1, absolute_x2, absolute_y2, x, y)
end

#irregular? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/glimmer/swt/custom/shape/line.rb', line 134

def irregular?
  true
end

#location_parameter_names ⇒ Object 



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# File 'lib/glimmer/swt/custom/shape/line.rb', line 49

def location_parameter_names
  parameter_names
end

#move_by(x_delta, y_delta) ⇒ Object 



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# File 'lib/glimmer/swt/custom/shape/line.rb', line 127

def move_by(x_delta, y_delta)
  self.x1 += x_delta
  self.y1 += y_delta
  self.x2 += x_delta
  self.y2 += y_delta
end

#parameter_names ⇒ Object 



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# File 'lib/glimmer/swt/custom/shape/line.rb', line 45

def parameter_names
  [:x1, :y1, :x2, :y2]
end

#size ⇒ Object 



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# File 'lib/glimmer/swt/custom/shape/line.rb', line 58

def size
  shape_bounds = geometry.getBounds2D
  org.eclipse.swt.graphics.Point.new(shape_bounds.width, shape_bounds.height)
end

#width ⇒ Object 



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# File 'lib/glimmer/swt/custom/shape/line.rb', line 81

def width
  bounds.width
end

#x ⇒ Object

Logical x coordinate relative to parent



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# File 'lib/glimmer/swt/custom/shape/line.rb', line 68

def x
  x_value = bounds.x
  x_value -= parent.absolute_x if parent.is_a?(Shape)
  x_value
end

#y ⇒ Object

Logical y coordinate relative to parent



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# File 'lib/glimmer/swt/custom/shape/line.rb', line 75

def y
  y_value = bounds.y
  y_value -= parent.absolute_y if parent.is_a?(Shape)
  y_value
end