Module: RbSDL2::Window::Position

Included in:
RbSDL2::Window
Defined in:
lib/rb_sdl2/window/position.rb

Instance Method Summary collapse

Instance Method Details

#position ⇒ Object 



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# File 'lib/rb_sdl2/window/position.rb', line 4

def position
  x_y = Array.new(2) { ::FFI::MemoryPointer.new(:int) }
  ::SDL2.SDL_GetWindowPosition(self, *x_y)
  x_y.map(&:read_int)
end

#position=(x_y) ⇒ Object 



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# File 'lib/rb_sdl2/window/position.rb', line 10

def position=(x_y)
  wx, wy = x_y
  wx ||= ::SDL2::SDL_WINDOWPOS_CENTERED_MASK
  wy ||= ::SDL2::SDL_WINDOWPOS_CENTERED_MASK
  ::SDL2.SDL_SetWindowPosition(self, wx, wy)
end

#x ⇒ Object 



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# File 'lib/rb_sdl2/window/position.rb', line 17

def x
  ptr = ::FFI::MemoryPointer.new(:int)
  ::SDL2.SDL_GetWindowPosition(self, ptr, nil)
  ptr.read_int
end

#x=(num) ⇒ Object 



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# File 'lib/rb_sdl2/window/position.rb', line 23

def x=(num)
  self.position = [num, y]
end

#y ⇒ Object 



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# File 'lib/rb_sdl2/window/position.rb', line 27

def y
  ptr = ::FFI::MemoryPointer.new(:int)
  ::SDL2.SDL_GetWindowPosition(self, nil, ptr)
  ptr.read_int
end

#y=(num) ⇒ Object 



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# File 'lib/rb_sdl2/window/position.rb', line 33

def y=(num)
  self.position = [x, num]
end