Class: IconBanner::Process

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

Direct Known Subclasses

AppIconSet, IcLauncher

Constant Summary collapse

BASE_ICON_PATH = 
'__TO OVERRIDE__'
PLATFORM = 
'__TO OVERRIDE__'
PLATFORM_CODE = 
'__TO OVERRIDE__'
BACKUP_EXTENSION = 
'.bak'

Instance Method Summary collapse

Instance Method Details

#backup_path(path) ⇒ Object 



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# File 'lib/icon_banner/process.rb', line 117

def backup_path(path)
  UI.error '`backup_path` should not be run on base class'
end

#create_backup(icon_path) ⇒ Object 



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# File 'lib/icon_banner/process.rb', line 94

def create_backup(icon_path)
  backup_path = backup_path(icon_path)
  FileUtils.mkdir_p(File.dirname(backup_path))
  FileUtils.cp(icon_path, backup_path)
end

#find_base_color(path) ⇒ Object 



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# File 'lib/icon_banner/process.rb', line 73

def find_base_color(path)
  color = MiniMagick::Tool::Convert.new do |convert|
    convert << path
    convert.colors 3
    convert.background 'white'
    convert.alpha 'remove'
    convert << '-unique-colors'
    convert.format '%[pixel:u]'
    convert << 'xc:transparent'
    convert << 'info:-'
  end
  color[/rgba?\([^)]*\)/]
end

#generate(path, options) ⇒ Object 



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# File 'lib/icon_banner/process.rb', line 12

def generate(path, options)
  IconBanner.validate_libs!
  return unless validate_platform(options)

  UI.message "Generating #{self.class::PLATFORM} banners..."

  restore(path) # restore in case it was already run before

  app_icons = get_app_icons(path)

  label = options[:label]
  font = options[:font] || IconBanner.font_path

  if app_icons.count > 0
    app_icons.each do |icon_path|
      UI.verbose "Processing #{icon_path}"
      create_backup icon_path if options[:backup]

      color = options[:color]
      begin
        color = find_base_color(icon_path)
        UI.verbose "Color: #{color}"
      end unless color

      banner_file = Tempfile.new %w[banner .png]
      generate_banner banner_file.path, label, color, font
      process_icon icon_path, banner_file.path
      banner_file.close

      UI.verbose "Completed processing #{File.basename icon_path}"
      UI.verbose ''
    end

    UI.message "Completed #{self.class::PLATFORM} generation."
  else
    UI.message "No #{self.class::PLATFORM} icons found."
  end
end

#generate_banner(path, label, color, font) ⇒ Object 



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# File 'lib/icon_banner/process.rb', line 113

def generate_banner(path, label, color, font)
  UI.error '`generate_banner` should not be run on base class'
end

#get_app_icons(path) ⇒ Object 



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# File 'lib/icon_banner/process.rb', line 68

def get_app_icons(path)
  app_icons = Dir.glob("#{path}#{self.class::BASE_ICON_PATH}")
  app_icons.reject { |icon| should_ignore_icon(icon) }
end

#process_icon(icon_path, banner_path) ⇒ Object 



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# File 'lib/icon_banner/process.rb', line 87

def process_icon(icon_path, banner_path)
  icon = MiniMagick::Image.open(icon_path)
  banner = MiniMagick::Image.open(banner_path)
  banner.resize "#{icon.width}x#{icon.height}"
  icon.composite(banner).write(icon_path)
end

#restore(path) ⇒ Object 



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# File 'lib/icon_banner/process.rb', line 51

def restore(path)
  return unless validate_platform({})

  UI.message "Restoring #{self.class::PLATFORM} icons..."

  app_icons = get_app_icons(path)

  if app_icons.count > 0
    app_icons.each do |icon_path|
      UI.verbose "Restoring #{icon_path}"
      restore_backup icon_path
    end
  end

  UI.message "Completed #{self.class::PLATFORM} restore."
end

#restore_backup(icon_path) ⇒ Object 



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# File 'lib/icon_banner/process.rb', line 100

def restore_backup(icon_path)
  restore_path = backup_path(icon_path)
  if File.exist?(restore_path)
    FileUtils.cp(restore_path, icon_path)
    File.delete restore_path
  end
end

#should_ignore_icon(icon) ⇒ Object 



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# File 'lib/icon_banner/process.rb', line 121

def should_ignore_icon(icon)
  UI.error '`should_ignore_icon` should not be run on base class'
end

#validate_platform(options) ⇒ Object 



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# File 'lib/icon_banner/process.rb', line 108

def validate_platform(options)
  platform = ENV['FASTLANE_PLATFORM_NAME'] || options[:platform]
  platform.nil? || platform[/#{self.class::PLATFORM_CODE}/i] || platform == 'all'
end