class SFML::Sprite

# File lib/sfml/graphics/sprite.rb, line 16
def initialize(texture, **opts)
  raise ArgumentError, "Sprite requires a SFML::Texture" unless texture.is_a?(Texture)

  ptr = C::Graphics.sfSprite_create(texture.handle)
  raise GraphicsError, "sfSprite_create returned NULL" if ptr.null?
  @handle  = FFI::AutoPointer.new(ptr, C::Graphics.method(:sfSprite_destroy))
  @texture = texture # keep alive for GC

  self.color    = opts[:color]    if opts.key?(:color)
  self.position = opts[:position] if opts.key?(:position)
  self.origin   = opts[:origin]   if opts.key?(:origin)
  self.rotation = opts[:rotation] if opts.key?(:rotation)
  self.scale    = opts[:scale]    if opts.key?(:scale)
end

# File lib/sfml/graphics/sprite.rb, line 42
  def color = Color.from_native(C::Graphics.sfSprite_getColor(@handle))

  # Set the color.
  def color=(c)
    C::Graphics.sfSprite_setColor(@handle, c.to_native)
  end

  # Sub-region of the texture this sprite shows. Returns a SFML::Rect
  # of integer pixel coordinates. Use it for sprite-sheet animation:
  #
  #   sprite.texture_rect = SFML::Rect.new([frame * 32, 0], [32, 32])
  def texture_rect
    Rect.from_native(C::Graphics.sfSprite_getTextureRect(@handle))
  end

  # Set the texture rect.
  def texture_rect=(rect)
    raise ArgumentError, "Sprite#texture_rect= requires a SFML::Rect" unless rect.is_a?(Rect)
    native = C::Graphics::IntRect.new
    native[:position][:x] = Integer(rect.x)
    native[:position][:y] = Integer(rect.y)
    native[:size][:x]     = Integer(rect.width)
    native[:size][:y]     = Integer(rect.height)
    C::Graphics.sfSprite_setTextureRect(@handle, native)
  end

  # Bounding box of the sprite in its own (untransformed) coords.
  def local_bounds
    Rect.from_native(C::Graphics.sfSprite_getLocalBounds(@handle))
  end

  # Bounding box after applying the sprite's transform.
  def global_bounds
    Rect.from_native(C::Graphics.sfSprite_getGlobalBounds(@handle))
  end

  # Returns the draw on.
  def draw_on(target, states_ptr = nil) # :nodoc:
    target._draw_native(:Sprite, @handle, states_ptr)
  end

  # The Texture this sprite was last bound to. Borrowed — caller
  # is responsible for keeping the source texture alive.
  def texture
    ptr = C::Graphics.sfSprite_getTexture(@handle)
    return nil if ptr.null?
    Texture.send(:_borrow, ptr)
  end

  # Combined transform (translation + rotation + scale + origin)
  # the renderer applies when drawing this sprite.
  def transform
    C::Graphics.sfSprite_getTransform(@handle)
  end

  # Inverse of `#transform` — maps world-space coords back to
  # the sprite's local space.
  def inverse_transform
    C::Graphics.sfSprite_getInverseTransform(@handle)
  end

  # Deep copy — same texture binding (textures are shared GPU
  # objects), independent transform / colour state.
  def dup
    ptr = C::Graphics.sfSprite_copy(@handle)
    raise GraphicsError, "sfSprite_copy returned NULL" if ptr.null?

    copy = self.class.allocate
    copy.instance_variable_set(:@handle,
      FFI::AutoPointer.new(ptr, C::Graphics.method(:sfSprite_destroy)))
    copy.instance_variable_set(:@texture, @texture)   # keep source alive
    copy
  end
  alias clone dup

  attr_reader :handle # :nodoc:
end

# File lib/sfml/graphics/sprite.rb, line 45
def color=(c)
  C::Graphics.sfSprite_setColor(@handle, c.to_native)
end

# File lib/sfml/graphics/sprite.rb, line 105
def dup
  ptr = C::Graphics.sfSprite_copy(@handle)
  raise GraphicsError, "sfSprite_copy returned NULL" if ptr.null?

  copy = self.class.allocate
  copy.instance_variable_set(:@handle,
    FFI::AutoPointer.new(ptr, C::Graphics.method(:sfSprite_destroy)))
  copy.instance_variable_set(:@texture, @texture)   # keep source alive
  copy
end

# File lib/sfml/graphics/sprite.rb, line 74
def global_bounds
  Rect.from_native(C::Graphics.sfSprite_getGlobalBounds(@handle))
end

# File lib/sfml/graphics/sprite.rb, line 99
def inverse_transform
  C::Graphics.sfSprite_getInverseTransform(@handle)
end

# File lib/sfml/graphics/sprite.rb, line 69
def local_bounds
  Rect.from_native(C::Graphics.sfSprite_getLocalBounds(@handle))
end

# File lib/sfml/graphics/sprite.rb, line 35
def texture=(new_texture)
  raise ArgumentError, "Sprite#texture= requires a SFML::Texture" unless new_texture.is_a?(Texture)
  C::Graphics.sfSprite_setTexture(@handle, new_texture.handle, false)
  @texture = new_texture
end

# File lib/sfml/graphics/sprite.rb, line 53
def texture_rect
  Rect.from_native(C::Graphics.sfSprite_getTextureRect(@handle))
end

# File lib/sfml/graphics/sprite.rb, line 58
def texture_rect=(rect)
  raise ArgumentError, "Sprite#texture_rect= requires a SFML::Rect" unless rect.is_a?(Rect)
  native = C::Graphics::IntRect.new
  native[:position][:x] = Integer(rect.x)
  native[:position][:y] = Integer(rect.y)
  native[:size][:x]     = Integer(rect.width)
  native[:size][:y]     = Integer(rect.height)
  C::Graphics.sfSprite_setTextureRect(@handle, native)
end

# File lib/sfml/graphics/sprite.rb, line 93
def transform
  C::Graphics.sfSprite_getTransform(@handle)
end