Class: ActiveAssets::ActiveSprites::Sprites
- Inherits:
-
Object
- Object
- ActiveAssets::ActiveSprites::Sprites
- Includes:
- Configurable, ActiveSupport::Configurable
- Defined in:
- lib/active_assets/active_sprites/sprites.rb
Instance Method Summary collapse
- #[](name) ⇒ Object
- #all ⇒ Object
- #clear ⇒ Object
- #describe(&blk) ⇒ Object
- #generate!(railtie = Rails.application) ⇒ Object
-
#initialize ⇒ Sprites
constructor
A new instance of Sprites.
- #sprite(*args, &blk) ⇒ Object
Constructor Details
Instance Method Details
#[](name) ⇒ Object
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# File 'lib/active_assets/active_sprites/sprites.rb', line 43 def [](name) return nil unless @sprites.has_key?(name) @sprites[name] end |
#all ⇒ Object
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# File 'lib/active_assets/active_sprites/sprites.rb', line 21 def all @sprites.values end |
#clear ⇒ Object
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# File 'lib/active_assets/active_sprites/sprites.rb', line 48 def clear @sprites.clear end |
#describe(&blk) ⇒ Object
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# File 'lib/active_assets/active_sprites/sprites.rb', line 16 def describe(&blk) instance_eval(&blk) if block_given? self end |
#generate!(railtie = Rails.application) ⇒ Object
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# File 'lib/active_assets/active_sprites/sprites.rb', line 52 def generate!(railtie = Rails.application) begin case sprite_backend when :rmagick require 'rmagick' RmagickRunner.new(railtie, @sprites).generate! when :mini_magick require 'mini_magick' MiniMagickRunner.new(railtie, @sprites).generate! when :chunky_png, :oily_png begin require 'oily_png' ChunkyPngRunner.new(railtie, @sprites).generate! rescue LoadError require 'chunky_png' ChunkyPngRunner.new(railtie, @sprites).generate! end else begin require 'rmagick' RmagickRunner.new(railtie, @sprites).generate! rescue LoadError begin begin require 'oily_png' ChunkyPngRunner.new(railtie, @sprites).generate! rescue LoadError require 'chunky_png' ChunkyPngRunner.new(railtie, @sprites).generate! end rescue LoadError require 'mini_magick' MiniMagickRunner.new(railtie, @sprites).generate! end end end rescue LoadError => e msg = '' msg << "You have not specified any sprite runtime in your configuration. We tried to load all supported runtimes, but failed to load any." if !sprite_backend msg << "Your requested backend, #{sprite_backend}, was not found." if sprite_backend msg << " Supported sprite backends include :rmagick, :chunky_png, and :mini_magick. To use oily_png, install oily_png and configure with :chunky_png.\n" $stdout << msg end end |
#sprite(*args, &blk) ⇒ Object
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# File 'lib/active_assets/active_sprites/sprites.rb', line 25 def sprite(*args, &blk) sprite_path, stylesheet_path, , as = case args.first when Hash = args.shift args = *.find {|k,v| k.is_a?(String) } (args << ).tap {|a| a.last.delete(a.first)} when Symbol # todo make default paths configurable ["sprites/#{args.first.to_s}.png", "sprites/#{args.first.to_s}.css", args., args.first] when String path = args.first [path, "#{File.dirname(path)}/#{File.basename(path, File.extname(path))}.css", args.] end .reverse_merge!(:as => as) @sprites[[:as] || sprite_path].configure(sprite_path, stylesheet_path, , &blk) end |