Module: DXRubySDL::Color

Included in:
Image
Defined in:
lib/dxruby_sdl/color.rb

Class Method Summary collapse

Class Method Details

.normalize_dxruby(color) ⇒ Object 



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# File 'lib/dxruby_sdl/color.rb', line 35

def normalize_dxruby(color)
  if color.length == 4
    color
  else
    [0xFF] + color
  end
end

.to_dxruby_argb(color) ⇒ Object 



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# File 'lib/dxruby_sdl/color.rb', line 27

def to_dxruby_argb(color)
  if color.length == 4
    [color[3], *color[0..2]]
  else
    [0xFF, *color]
  end
end

.to_sdl_alpha(color) ⇒ Object 



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# File 'lib/dxruby_sdl/color.rb', line 15

def to_sdl_alpha(color)
  if color.length == 4
    color[0]
  else
    0xFF
  end
end

.to_sdl_color(color) ⇒ Object 



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# File 'lib/dxruby_sdl/color.rb', line 7

def to_sdl_color(color)
  if color.length == 4
    return color[1..3]
  else
    color
  end
end

.to_sdl_rgba(color) ⇒ Object 



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# File 'lib/dxruby_sdl/color.rb', line 23

def to_sdl_rgba(color)
  [*to_sdl_color(color), to_sdl_alpha(color)]
end