Class: MemeGenerator

Inherits:
Object
  • Object
show all
Defined in:
lib/meme_generator.rb,
lib/meme_generator/groupme.rb,
lib/meme_generator/campfire.rb

Defined Under Namespace

Classes: Campfire, GroupMe

Constant Summary collapse

VERSION = 
"1.0.9"

Class Method Summary collapse

Class Method Details

.generate(path, top, bottom) ⇒ Object 



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# File 'lib/meme_generator.rb', line 28

def generate(path, top, bottom)
  top = (top || '').upcase
  bottom = (bottom || '').upcase

  canvas = Magick::ImageList.new(path)
  image = canvas.first

  draw = Magick::Draw.new
  draw.font = File.join(File.dirname(__FILE__), "..", "fonts", "Impact.ttf")
  draw.font_weight = Magick::BoldWeight

  pointsize = image.columns / 5.0
  stroke_width = pointsize / 30.0
  x_position = image.columns / 2
  y_position = image.rows * 0.15

  # Draw top
  unless top.empty?
    scale, text = scale_text(top)
    bottom_draw = draw.dup
    bottom_draw.annotate(canvas, 0, 0, 0, 0, text) do
      self.interline_spacing = -(pointsize / 5)
      self.stroke_antialias(true)
      self.stroke = "black"
      self.fill = "white"
      self.gravity = Magick::NorthGravity
      self.stroke_width = stroke_width * scale
      self.pointsize = pointsize * scale
    end
  end

  # Draw bottom
  unless bottom.empty?
    scale, text = scale_text(bottom)
    bottom_draw = draw.dup
    bottom_draw.annotate(canvas, 0, 0, 0, 0, text) do
      self.interline_spacing = -(pointsize / 5)
      self.stroke_antialias(true)
      self.stroke = "black"
      self.fill = "white"
      self.gravity = Magick::SouthGravity
      self.stroke_width = stroke_width * scale
      self.pointsize = pointsize * scale
    end
  end

  output_path = "/tmp/meme-#{Time.now.to_i}.jpeg"
  canvas.write(output_path)
  output_path
end

.meme_paths ⇒ Hash

Returns a hash of of available memes. Hash keys are the short names for the memes and the values are paths to the meme image on disk.

Returns:

  • (Hash) —

    Returns a hash of of available memes. Hash keys are the short names for the memes and the values are paths to the meme image on disk.



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# File 'lib/meme_generator.rb', line 18

def meme_paths
  local_image_path = File.expand_path("~/.memegen")
  base = File.join(File.dirname(__FILE__), "..", "generators")
  files = Dir.glob(["#{base}/*", "#{local_image_path}/*.*"])
  files.inject({}) do |images,path|
    name = path.split('/').last.sub(/\.jpg$/, '')
    images.merge(name => path)
  end
end

.memes ⇒ Array<String>

Returns a list of short names for memes available locally on disk.

Returns:

  • (Array<String>) —

    Returns a list of short names for memes available locally on disk.



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# File 'lib/meme_generator.rb', line 11

def memes
  meme_paths.keys
end