Class: LibUI::Path

Inherits:
Object
  • Object
show all
Defined in:
lib/libui/path.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(fill_mode = DrawFillModeWinding) ⇒ Path

Returns a new instance of Path.



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# File 'lib/libui/path.rb', line 12

def initialize(fill_mode = DrawFillModeWinding)
  @pointer = LibUI.draw_new_path(fill_mode)
end

Class Method Details

.open(fill_mode = DrawFillModeWinding) ⇒ Object 



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# File 'lib/libui/path.rb', line 3

def self.open(fill_mode = DrawFillModeWinding)
  path = new(fill_mode)
  begin
    yield path
  ensure
    path.close
  end
end

Instance Method Details

#add_rectangle(x, y, width, height) ⇒ Object 



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# File 'lib/libui/path.rb', line 52

def add_rectangle(x, y, width, height)
  LibUI.draw_path_add_rectangle(to_ptr, x, y, width, height)
  self
end

#arc_to(x, y, radius, start_angle, sweep, negative = false) ⇒ Object 



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# File 'lib/libui/path.rb', line 37

def arc_to(x, y, radius, start_angle, sweep, negative = false)
  LibUI.draw_path_arc_to(to_ptr, x, y, radius, start_angle, sweep, negative ? 1 : 0)
  self
end

#bezier_to(c1x, c1y, c2x, c2y, end_x, end_y) ⇒ Object 



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# File 'lib/libui/path.rb', line 42

def bezier_to(c1x, c1y, c2x, c2y, end_x, end_y)
  LibUI.draw_path_bezier_to(to_ptr, c1x, c1y, c2x, c2y, end_x, end_y)
  self
end

#close ⇒ Object 



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# File 'lib/libui/path.rb', line 62

def close
  return if @pointer.nil?

  LibUI.draw_free_path(@pointer)
  @pointer = nil
  nil
end

#close_figure ⇒ Object 



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# File 'lib/libui/path.rb', line 47

def close_figure
  LibUI.draw_path_close_figure(to_ptr)
  self
end

#end_path ⇒ Object 



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# File 'lib/libui/path.rb', line 57

def end_path
  LibUI.draw_path_end(to_ptr)
  self
end

#line_to(x, y) ⇒ Object 



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# File 'lib/libui/path.rb', line 32

def line_to(x, y)
  LibUI.draw_path_line_to(to_ptr, x, y)
  self
end

#new_figure(x, y) ⇒ Object 



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# File 'lib/libui/path.rb', line 22

def new_figure(x, y)
  LibUI.draw_path_new_figure(to_ptr, x, y)
  self
end

#new_figure_with_arc(x, y, radius, start_angle, sweep, negative = false) ⇒ Object 



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# File 'lib/libui/path.rb', line 27

def new_figure_with_arc(x, y, radius, start_angle, sweep, negative = false)
  LibUI.draw_path_new_figure_with_arc(to_ptr, x, y, radius, start_angle, sweep, negative ? 1 : 0)
  self
end

#to_ptr ⇒ Object

Raises:

  • (RuntimeError) 


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# File 'lib/libui/path.rb', line 16

def to_ptr
  raise RuntimeError, 'draw path is closed' unless @pointer

  @pointer
end