Class: MemeGenerator

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

Constant Summary collapse

VERSION = 
"0.0.7"
IMPACT_PATH =

If you don’t have OS X, fork me :)

"fonts/Impact.ttf"

Class Method Summary collapse

Class Method Details

.generate(path, top, bottom) ⇒ Object 



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# File 'lib/meme_generator.rb', line 10

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 = IMPACT_PATH if File.exists?(IMPACT_PATH)
  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)
  puts output_path
  exit 0
end