Class: Compass::GridBuilder

### Home Classes Methods

### In Files

- lib/compass/grid_builder.rb

### Parent

Compass::PNG

### Methods

- ::new
- #generate!
- #working_path

### Included Modules

- Compass::Actions

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# Compass::GridBuilder

### Attributes

able_to_generate[R]
column_width[R]
filename[R]
gutter_width[R]
options[R]

### Public Class Methods

new(options={}) click to toggle source

#### Options

- `options`

  - `:column_width` -- Width (in pixels) of current grid column

  - `:gutter_width` -- Width (in pixels) of current grid gutter

  - `:height` -- Height (in pixels) of a row

  - `:filename` -- Output path of grid.png file

    # File lib/compass/grid_builder.rb, line 66
    def initialize(options={})
      @column_width = options[:column_width] || 0
      gutter_width = options[:gutter_width] || 0

      height = options[:height] || 20
      width = @column_width + gutter_width
      width = 10 if width == 0

      @filename = options[:filename]
      @options = options

      super(width, height, [0xe9,0xe9,0xe9])
    end

### Public Instance Methods

generate!() click to toggle source

generates (overwriting if necessary) grid.png image to be tiled in background

    # File lib/compass/grid_builder.rb, line 85
    def generate!
      (0...@height-1).each do |line|
        @data[line] = Array.new(@width){|x| x < @column_width ? [0xe8, 0xef, 0xfb] : [0xff,0xff,0xff] }
      end

      if File.exists?(filename)
        if options[:force]
          overwrite = true
        else
          msg = "#{filename} already exists. Overwrite with --force."
          raise Compass::FilesystemConflict.new(msg)
        end
      end
      directory File.dirname(filename)
      write_file(filename, self.to_blob, options, true)
    end

working_path() click to toggle source

    # File lib/compass/grid_builder.rb, line 80
    def working_path
      options[:working_path]
    end

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