Module: RbSDL2::Window::Accessor

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

Instance Method Summary collapse

Instance Method Details

#border_size ⇒ Object

Raises:



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

def border_size
  top_left_bottom_right = Array.new(4) { ::FFI::MemoryPointer.new(:int) }
  err = ::SDL.GetWindowBordersSize(self, *top_left_bottom_right)
  raise RbSDL2Error if err < 0
  top_left_bottom_right.map(&:read_int)
end

#height ⇒ Object Also known as: h 



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# File 'lib/rb_sdl2/window/accessor.rb', line 11

def height
  ptr = ::FFI::MemoryPointer.new(:int)
  ::SDL.GetWindowSize(self, nil, ptr)
  ptr.read_int
end

#height=(num) ⇒ Object Also known as: h= 



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# File 'lib/rb_sdl2/window/accessor.rb', line 18

def height=(num)
  self.size = [w, num]
end

#icon=(surface) ⇒ Object 



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

def icon=(surface)
  ::SDL.SetWindowIcon(self, surface)
end

#maximum_size ⇒ Object 



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

def maximum_size
  w_h = Array.new(2) { ::FFI::MemoryPointer.new(:int) }
  ::SDL.GetWindowMaximumSize(self, *w_h)
  w_h.map(&:read_int)
end

#maximum_size=(w_h) ⇒ Object 



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

def maximum_size=(w_h)
  ::SDL.SetWindowMaximumSize(self, *w_h)
end

#minimum_size ⇒ Object 



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# File 'lib/rb_sdl2/window/accessor.rb', line 37

def minimum_size
  w_h = Array.new(2) { ::FFI::MemoryPointer.new(:int) }
  ::SDL.GetWindowMinimumSize(self, *w_h)
  w_h.map(&:read_int)
end

#minimum_size=(w_h) ⇒ Object 



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# File 'lib/rb_sdl2/window/accessor.rb', line 43

def minimum_size=(w_h)
  ::SDL.SetWindowMinimumSize(self, *w_h)
end

#mouse_rect ⇒ Object

戻り値が nil の場合は範囲が設定されていません。



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# File 'lib/rb_sdl2/window/accessor.rb', line 48

def mouse_rect
  ptr = ::SDL.GetWindowMouseRect(self)
  ptr.null? ? nil : Rect.to_ary(ptr)
end

#mouse_rect=(rect) ⇒ Object

範囲を破棄する場合は rect には nil を与えます。

Raises:



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# File 'lib/rb_sdl2/window/accessor.rb', line 54

def mouse_rect=(rect)
  err = ::SDL.SetWindowMouseRect(self, rect && Rect.new(*rect))
  raise RbSDL2Error if err < 0
end

#opacity ⇒ Object

ウィンドウの透明度を戻す。値は 0.0 から 1.0。値が低いほど透明になる。

Raises:



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# File 'lib/rb_sdl2/window/accessor.rb', line 60

def opacity
  out_opacity = ::FFI::MemoryPointer.new(:float)
  err = ::SDL.GetWindowOpacity(self, out_opacity)
  raise RbSDL2Error if err < 0
  out_opacity.read_float
end

#opacity=(val) ⇒ Object

ウィンドウの透明度を変更する。値は 0.0 から 1.0。値が低いほど透明になる。

Raises:



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# File 'lib/rb_sdl2/window/accessor.rb', line 68

def opacity=(val)
  err = ::SDL.SetWindowOpacity(self, val)
  raise RbSDL2Error if err < 0
end

#position ⇒ Object 



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# File 'lib/rb_sdl2/window/accessor.rb', line 73

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

#position=(x_y) ⇒ Object 



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# File 'lib/rb_sdl2/window/accessor.rb', line 79

def position=(x_y)
  wx, wy = x_y
  ::SDL.SetWindowPosition(self,
                          wx || SDL_WINDOWPOS_CENTERED_MASK,
                          wy || SDL_WINDOWPOS_CENTERED_MASK)
end

#size ⇒ Object 



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# File 'lib/rb_sdl2/window/accessor.rb', line 86

def size
  w_h = Array.new(2) { ::FFI::MemoryPointer.new(:int) }
  ::SDL.GetWindowSize(self, *w_h)
  w_h.map(&:read_int)
end

#size=(w_h) ⇒ Object 



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# File 'lib/rb_sdl2/window/accessor.rb', line 92

def size=(w_h)
  ::SDL.SetWindowSize(self, *w_h)
end

#title ⇒ Object 



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# File 'lib/rb_sdl2/window/accessor.rb', line 96

def title = SDL.ptr_to_str(::SDL.GetWindowTitle(self))

#title=(s) ⇒ Object 



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# File 'lib/rb_sdl2/window/accessor.rb', line 98

def title=(s)
  ::SDL.SetWindowTitle(self, SDL.str_to_sdl(s))
end

#width ⇒ Object Also known as: w 



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# File 'lib/rb_sdl2/window/accessor.rb', line 102

def width
  ptr = ::FFI::MemoryPointer.new(:int)
  ::SDL.GetWindowSize(self, ptr, nil)
  ptr.read_int
end

#width=(num) ⇒ Object Also known as: w= 



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# File 'lib/rb_sdl2/window/accessor.rb', line 109

def width=(num)
  self.size = [num, h]
end

#x ⇒ Object 



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# File 'lib/rb_sdl2/window/accessor.rb', line 114

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

#x=(num) ⇒ Object 



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# File 'lib/rb_sdl2/window/accessor.rb', line 120

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

#y ⇒ Object 



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# File 'lib/rb_sdl2/window/accessor.rb', line 124

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

#y=(num) ⇒ Object 



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# File 'lib/rb_sdl2/window/accessor.rb', line 130

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