Module: Drakkon::Images::Canvas

Defined in:
lib/drakkon/lib/images/canvas.rb

Overview

General Image Index Helper

Class Method Summary collapse

Class Method Details

.images ⇒ Object 



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# File 'lib/drakkon/lib/images/canvas.rb', line 63

def self.images
  Dir["#{Dir.pwd}/**/*.png"]
end

.process(file, gravity, size) ⇒ Object 



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# File 'lib/drakkon/lib/images/canvas.rb', line 50

def self.process(file, gravity, size)
  image = MiniMagick::Image.open(file)
  LogBot.info('Image Canvas', file)

  img = image.combine_options do |cmd|
    cmd.gravity gravity
    cmd.background 'transparent'
    cmd.extent size
  end

  img.write file
end

.prompt ⇒ Object 



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# File 'lib/drakkon/lib/images/canvas.rb', line 67

def self.prompt
  TTY::Prompt.new(active_color: :cyan, interrupt: :exit)
end

.run!(args = []) ⇒ Object 



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# File 'lib/drakkon/lib/images/canvas.rb', line 5

def self.run!(args = [])
  # Sizing
  size = if args.empty?
           prompt.ask('Size? (e.g. 200x200): ')
         else
           args.shift
         end

  gravity = if args.empty?
              prompt.ask('Gravity? (west,east,north,south): ', default: 'south')
            else
              args.shift
            end

  puts <<~HELP
              Usage [WxH] [gravity]
              - Run in the directory you wish to modify the images
              - Adjust images via MiniMagick (extent)
    #{'          '}

    Canvas: Size: #{size}, Gravity: #{gravity}
              Current Directory;
                #{Dir.pwd.pastel(:yellow)}

    Images:
  HELP

  images.sort.each do |img|
    img_s = img.gsub("#{Dir.pwd}/", '').pastel(:yellow)
    puts "  - #{img_s}"
  end
  puts

  exit unless prompt.yes? "#{'Are you sure?'.pastel(:bright_yellow)} Canvas!? #{'(Destructive)'.pastel(:red)}"

  start(size, gravity)
end

.start(size, gravity) ⇒ Object 



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# File 'lib/drakkon/lib/images/canvas.rb', line 43

def self.start(size, gravity)
  images.each do |img|
    LogBot.info('Image Shift', img)
    process(img, gravity, size)
  end
end