Class: Boring::Favicon::BuildGenerator

Inherits:
Rails::Generators::Base
  • Object
show all
Defined in:
lib/generators/boring/favicon/build/build_generator.rb

Constant Summary collapse

ICO_SIZES = 
%w(16 32)
APPLE_SIZES = 
%w(57 60 72 76 114 120 129 144 152)
APPLE_PRECOMPOSED_SIZES = 
%w(120 129 152)
SMALL_BREAK = 
50
LARGE_BREAK = 
150
MS_TILE_SIZES = 
%w(144)
FAVICON_DIR = 
"favicons"
FILE_FAVICO_DIR = 
"app/assets/images/#{FAVICON_DIR}"
DEFAULT_PRIMARY_COLOR = 
"#082472"
DEFAULT_FAVICON_LETTER =

B for boring_generators :)

"B"
DEFAULT_IMAGE_PATH = 
"#{FILE_FAVICO_DIR}/template.png"

Instance Method Summary collapse

Instance Method Details

#add_favicon_partial ⇒ Object 



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# File 'lib/generators/boring/favicon/build/build_generator.rb', line 111

def add_favicon_partial
  say "Copying favicon layout partial", :green
  template("favicon.html.erb", "app/views/layouts/shared/_favicon.html.erb")
  insert_into_file "app/views/layouts/application.html.erb", <<~RUBY, after: /head.*\n/
    \t\t<%= render 'layouts/shared/favicon' %>
  RUBY
end

#build_favicon ⇒ Object 



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# File 'lib/generators/boring/favicon/build/build_generator.rb', line 30

def build_favicon
  @application_name = options[:application_name]
  @primary_color = options[:primary_color]

  unless /Version/m =~ (`convert -version`)
    say <<~WARNING, :red
      ERROR: You do not have ImageMagick installed.
    WARNING
  end
end

#build_favicon_for_existing_template_image ⇒ Object 



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# File 'lib/generators/boring/favicon/build/build_generator.rb', line 47

def build_favicon_for_existing_template_image
  return unless File.exist?(DEFAULT_IMAGE_PATH)

  say "Converting template image to favicons..."
  template_name = "#{FILE_FAVICO_DIR}/template.png"
  template_small_name = "#{FILE_FAVICO_DIR}/template-small.png"
  template_large_name = "#{FILE_FAVICO_DIR}/template-large.png"
  template_small_name = template_name unless File.file?(template_small_name)
  template_large_name = template_name unless File.file?(template_large_name)
  ICO_SIZES.each do |size|
    ico_template = template_name
    ico_template = template_small_name if size.to_i <= SMALL_BREAK
    ico_template = template_small_name if size.to_i >= LARGE_BREAK
    (`convert #{ico_template} -resize #{size}x#{size} #{FILE_FAVICO_DIR}/favicon-#{size}x#{size}.ico`)
  end
  APPLE_SIZES.each do |size|
    ico_template = template_name
    ico_template = template_small_name if size.to_i <= SMALL_BREAK
    ico_template = template_small_name if size.to_i >= LARGE_BREAK
    (`convert #{ico_template} -resize #{size}x#{size} #{FILE_FAVICO_DIR}/apple-touch-icon-#{size}x#{size}.png`)
  end
  APPLE_PRECOMPOSED_SIZES.each do |size|
    ico_template = template_name
    ico_template = template_small_name if size.to_i <= SMALL_BREAK
    ico_template = template_small_name if size.to_i >= LARGE_BREAK
    (`convert #{ico_template} -resize #{size}x#{size} #{FILE_FAVICO_DIR}/apple-touch-icon-#{size}x#{size}-precomposed.png`)
  end
  MS_TILE_SIZES.each do |size|
    ico_template = template_name
    ico_template = template_small_name if size.to_i <= SMALL_BREAK
    ico_template = template_small_name if size.to_i >= LARGE_BREAK
    (`convert #{ico_template} -resize #{size}x#{size} #{FILE_FAVICO_DIR}/mstile-#{size}x#{size}.png`)
  end
  ico_template = template_name
  ico_template = template_small_name if 152 <= SMALL_BREAK
  ico_template = template_small_name if 152 >= LARGE_BREAK
  (`convert #{ico_template} -resize 152x152 #{FILE_FAVICO_DIR}/apple-touch-icon.png`)
  (`convert #{ico_template} -resize 152x152 #{FILE_FAVICO_DIR}/apple-touch-icon-precomposed.png`)
end

#create_favicon_directory ⇒ Object 



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# File 'lib/generators/boring/favicon/build/build_generator.rb', line 41

def create_favicon_directory
  unless File.exist?(FILE_FAVICO_DIR)
    Dir.mkdir FILE_FAVICO_DIR
  end
end

#generate_new_favicon_using_favico_letter ⇒ Object 



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# File 'lib/generators/boring/favicon/build/build_generator.rb', line 87

def generate_new_favicon_using_favico_letter
  return if File.exist?(DEFAULT_IMAGE_PATH)
  say "Creating favicons from application...", :green

  favico_letter = options[:favico_letter] || @application_name.try(:first) || DEFAULT_FAVICON_LETTER
  font_file_path = options[:font_file_path]
  favicon_color = options[:primary_color] || DEFAULT_PRIMARY_COLOR

  ICO_SIZES.each do |size|
    (`convert -background "#{favicon_color}" -fill white -size #{size}x#{size} -gravity center #{font_file_path ? "-font #{font_file_path}" : ""} label:#{favico_letter} #{FILE_FAVICO_DIR}/favicon-#{size}x#{size}.ico`)
  end
  APPLE_SIZES.each do |size|
    (`convert -background "#{favicon_color}" -fill white -size #{size}x#{size} -gravity center #{font_file_path ? "-font #{font_file_path}" : ""} label:#{favico_letter} #{FILE_FAVICO_DIR}/apple-touch-icon-#{size}x#{size}.png`)
  end
  APPLE_PRECOMPOSED_SIZES.each do |size|
    (`convert -background "#{favicon_color}" -fill white -size #{size}x#{size} -gravity center #{font_file_path ? "-font #{font_file_path}" : ""} label:#{favico_letter} #{FILE_FAVICO_DIR}/apple-touch-icon-#{size}x#{size}-precomposed.png`)
  end
  MS_TILE_SIZES.each do |size|
    (`convert -background "#{favicon_color}" -fill white -size #{size}x#{size} -gravity center #{font_file_path ? "-font #{font_file_path}" : ""} label:#{favico_letter} #{FILE_FAVICO_DIR}/mstile-#{size}x#{size}.png`)
  end
  (`convert -background "#{favicon_color}" -fill white -size 152x152 -gravity center #{font_file_path ? "-font #{font_file_path}" : ""} label:#{favico_letter} #{FILE_FAVICO_DIR}/apple-touch-icon.png`)
  (`convert -background "#{favicon_color}" -fill white -size 152x152 -gravity center #{font_file_path ? "-font #{font_file_path}" : ""} label:#{favico_letter} #{FILE_FAVICO_DIR}/apple-touch-icon-precomposed.png`)
end