Cosmo

  def color_with(value=nil, options={})
    if options.is_a?(Numeric)
      alpha = options.to_f
    else
      alpha = options.delete(:alpha) || 1
    end

    if value
      if (value.is_a?(String) && value[0] == "#")
        value = value.gsub("#", "").to_i(16)

Cosmo

# Inline styles
@calculate_button = UIButton.named(I18n.t(:calculate_button)).style(color: 0xFFFFFF, align: :center, vertical_align: :center, top: 10, left: 30, width: 120, height: 40)


# External styles
# /app/stylesheets/application.rb
class ApplicationStylesheet < Stylesheets::Base
  
  # Stylesheets for UI-Elements
  # usage: @element.outfit(:awesome_default)

Cosmo

# Inline styles
@calculate_button = UIButton.named(I18n.t(:calculate_button)).style(color: 0xFFFFFF, align: :center, vertical_align: :center, top: 10, left: 30, width: 120, height: 40)


# External styles
# /app/stylesheets/application.rb
class ApplicationStylesheet < Stylesheets::Base
  
  # Stylesheets for UI-Elements
  # usage: @element.outfit(:awesome_default)

Cosmo

def convert_to_previews(new_file)

 name = File.basename(current_path)
 
 images = Magick::Image.read(current_path) do
   self.background_color  = "white" # does not work for me :/
 end

 if images.length > 0
   save_path = "#{Rails.root}/public/uploads/#{model.class.to_s.underscore}/file/#{model.id}/slides"