Class: EhbGameLib::Palettes::Sprite

Inherits:
Object
  • Object
show all
Defined in:
lib/ehb_game_lib/palettes/sprite.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.from_file(file_path) ⇒ Object 



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# File 'lib/ehb_game_lib/palettes/sprite.rb', line 10

def from_file(file_path)
  new(::Magick::Image.read(file_path.to_s).first)
end

.to_gosu_image_options ⇒ Object 



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# File 'lib/ehb_game_lib/palettes/sprite.rb', line 14

def to_gosu_image_options
  { retro: true, tileable: true }
end

Instance Method Details

#gosu_image ⇒ Object

Returns Gosu::Image.

Returns:

  • Gosu::Image



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# File 'lib/ehb_game_lib/palettes/sprite.rb', line 22

def gosu_image
  @gosu_image ||= begin
    the_path = '/tmp/temp_magick_image.png'
    magick_image.write(the_path)
    ::Gosu::Image.new(the_path, self.class.to_gosu_image_options)
  end
end

#palette_image(palette) ⇒ EhbGameLib::Palettes::Sprite

Returns:



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# File 'lib/ehb_game_lib/palettes/sprite.rb', line 31

def palette_image(palette)
  r = magick_image.dup
  r.colors.times.each do |index|
    r.colormap(index, palette.color(index).magick_pixel)
  end
  self.class.new(r)
end