render.rb

   1 #!/usr/bin/env ruby
   2
   3 require "rexml/document"
   4 require "ftools"
   5 include REXML
   6 INKSCAPE = '/usr/bin/inkscape'
   7 SRC = "."
   8
   9 def renderit(file)
  10
  11     File.makedirs("moblin") unless File.exists?("moblin")
  12
  13         # Open SVG file.
  14         svg = Document.new(File.new("#{SRC}/#{file}", 'r'))
  15
  16         # Go through every layer.
  17         svg.root.each_element("/svg/g[@inkscape:groupmode='layer']") do |type|
  18
  19                 type_name = type.attributes.get_attribute("inkscape:label").value
  20
  21                 puts "Going through layer '" + type_name + "'"
  22
  23                 svg.root.each_element("/svg/g[@inkscape:label='#{type_name}']/g") do |icon|
  24
  25                         icon_node = icon.attributes.get_attribute("inkscape:label")
  26
  27                         if (icon_node)
  28                                 icon_name = icon_node.value
  29                                 puts "  Found icon '" + icon_name + "'"
  30                                 svg.root.each_element("/svg/g[@inkscape:label='#{type_name}']/g[@inkscape:label='#{icon_name}']/rect']") do |rect|
  31                                         rect_node = rect.attributes.get_attribute("id")
  32
  33                                         if (rect_node)
  34                                                 rect_name = rect_node.value
  35                                                 rect_width = rect.attributes.get_attribute("width").value
  36                                                 rect_height = rect.attributes.get_attribute("height").value
  37
  38                                                 if (rect_width == '48' and rect_height == '48')
  39                             dir = "moblin/48x48/#{type_name}/"
  40                                                         puts "    Exporting #{dir}/#{icon_name}.png"
  41                             File.makedirs(dir) unless File.exists?(dir)
  42                             cmd = "#{INKSCAPE} -i #{rect_name} -e #{dir}/#{icon_name}.png #{SRC}/#{file} > /dev/null 2>&1"
  43                             system(cmd)
  44                                                 end
  45
  46                                                 if (rect_width == '24' and rect_height == '24')
  47                             dir = "moblin/24x24/#{type_name}/"
  48                                                         puts "    Exporting #{dir}/#{icon_name}.png"
  49                             File.makedirs(dir) unless File.exists?(dir)
  50                             cmd = "#{INKSCAPE} -i #{rect_name} -e #{dir}/#{icon_name}.png #{SRC}/#{file} > /dev/null 2>&1"
  51                             system(cmd)
  52                                                 end
  53
  54                                                 if (rect_width == '16' and rect_height == '16')
  55                             dir = "moblin/16x16/#{type_name}/"
  56                                                         puts "    Exporting #{dir}/#{icon_name}.png"
  57                             File.makedirs(dir) unless File.exists?(dir)
  58                             cmd = "#{INKSCAPE} -i #{rect_name} -e #{dir}/#{icon_name}.png #{SRC}/#{file} > /dev/null 2>&1"
  59                             system(cmd)
  60                                                 end
  61
  62                                         end
  63
  64                                 end
  65
  66
  67                         end
  68
  69                 end
  70
  71
  72         end
  73
  74
  75 end # End of function.
  76
  77
  78 if (ARGV[0].nil?) #render all SVGs
  79   puts "Rendering from SVGs in #{SRC}"
  80   Dir.foreach(SRC) do |file|
  81     renderit(file) if file.match(/svg$/)
  82   end
  83   puts "\nrendered all SVGs"
  84 else #only render the SVG passed
  85   file = "#{ARGV[0]}.svg"
  86   if (File.exists?("#{SRC}/#{file}"))
  87     renderit(file)
  88     puts "\nrendered #{file}"
  89   else
  90     puts "[E] No such file (#{file})"
  91   end
  92 end