Files
paper-icon-theme/src/extract-vector-icons.rb
2016-05-19 23:46:35 -04:00

175 lines
6.3 KiB
Ruby
Executable File

#!/usr/bin/env ruby
#
# Legal Stuff:
#
# This file is part of the Paper Icon Theme and is free software; you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free Software
# Foundation; version 3.
#
# This file is part of the Paper Icon Theme and is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, see <https://www.gnu.org/licenses/lgpl-3.0.txt>
#
#
# Thanks to the GNOME icon developers for the original version of this script
require "rexml/document"
require "fileutils"
include REXML
INKSCAPE = '/usr/bin/inkscape'
SRC16 = "vector/source-16x16.svg"
PREFIX16 = "../Paper/16x16"
def chopSVG(icon)
FileUtils.mkdir_p(icon[:dir]) unless File.exists?(icon[:dir])
unless (File.exists?(icon[:file]) && !icon[:forcerender])
FileUtils.cp(SRC16,icon[:file])
puts " >> #{icon[:name]}"
cmd = "#{INKSCAPE} -f #{icon[:file]} --select #{icon[:id]} --verb=FitCanvasToSelection --verb=EditInvertInAllLayers "
cmd += "--verb=EditDelete --verb=EditSelectAll --verb=SelectionUnGroup --verb=SelectionUnGroup --verb=SelectionUnGroup --verb=StrokeToPath --verb=FileVacuum "
cmd += "--verb=FileSave --verb=FileQuit > /dev/null 2>&1"
system(cmd)
#saving as plain SVG gets rid of the classes :/
#cmd = "#{INKSCAPE} -f #{icon[:file]} --vacuum-defs -l #{icon[:file]} > /dev/null 2>&1"
#system(cmd)
svgcrop = Document.new(File.new(icon[:file], 'r'))
svgcrop.root.each_element("//rect") do |rect|
w = ((rect.attributes["width"].to_f * 10).round / 10.0).to_i #get rid of 16 vs 15.99999
h = ((rect.attributes["width"].to_f * 10).round / 10.0).to_i #Inkscape bugs
if w == 16 && h == 16
rect.remove
end
end
icon_f = File.new(icon[:file],'w+')
icon_f.puts svgcrop
icon_f.close
else
puts " -- #{icon[:name]} already exists"
end
end #end of function
def get_output_filename(d,n)
if (/rtl$/.match(n))
outfile = "#{d}/#{n.chomp('-rtl')}-rtl.svg"
else
outfile = "#{d}/#{n}.svg"
end
return outfile
end
#main
# Open SVG file.
svg = Document.new(File.new(SRC16, 'r'))
if (ARGV[0].nil?) #render all SVGs
puts "Rendering from icons in #{SRC16}"
# Go through every layer.
svg.root.each_element("/svg/g[@inkscape:groupmode='layer']") do |context|
context_name = context.attributes.get_attribute("inkscape:label").value
puts "Going through layer '" + context_name + "'"
context.each_element("g") do |icon|
#puts "DEBUG #{icon.attributes.get_attribute('id')}"
dir = "#{PREFIX16}/#{context_name}"
icon_name = icon.attributes.get_attribute("inkscape:label").value
chopSVG({ :name => icon_name,
:id => icon.attributes.get_attribute("id"),
:dir => dir,
:file => get_output_filename(dir, icon_name)})
end
end
puts "\nrendered all SVGs"
else #only render the icons passed
icons = ARGV
ARGV.each do |icon_name|
icon = svg.root.elements["//g[@inkscape:label='#{icon_name}']"]
dir = "#{PREFIX16}/#{icon.parent.attributes['inkscape:label']}"
chopSVG({ :name => icon_name,
:id => icon.attributes["id"],
:dir => dir,
:file => get_output_filename(dir, icon_name),
:forcerender => true})
end
puts "\nrendered #{ARGV.length} icons"
end
SRC48 = "vector/source-48x48.svg"
PREFIX48 = "../Paper/48x48"
def chopSVG(icon)
FileUtils.mkdir_p(icon[:dir]) unless File.exists?(icon[:dir])
unless (File.exists?(icon[:file]) && !icon[:forcerender])
FileUtils.cp(SRC48,icon[:file])
puts " >> #{icon[:name]}"
cmd = "#{INKSCAPE} -f #{icon[:file]} --select #{icon[:id]} --verb=FitCanvasToSelection --verb=EditInvertInAllLayers "
cmd += "--verb=EditDelete --verb=EditSelectAll --verb=SelectionUnGroup --verb=SelectionUnGroup --verb=SelectionUnGroup --verb=StrokeToPath --verb=FileVacuum "
cmd += "--verb=FileSave --verb=FileQuit > /dev/null 2>&1"
system(cmd)
#saving as plain SVG gets rid of the classes :/
#cmd = "#{INKSCAPE} -f #{icon[:file]} --vacuum-defs -l #{icon[:file]} > /dev/null 2>&1"
#system(cmd)
svgcrop = Document.new(File.new(icon[:file], 'r'))
svgcrop.root.each_element("//rect") do |rect|
w = ((rect.attributes["width"].to_f * 10).round / 10.0).to_i #get rid of 16 vs 15.99999
h = ((rect.attributes["width"].to_f * 10).round / 10.0).to_i #Inkscape bugs
if w == 16 && h == 16
rect.remove
end
end
icon_f = File.new(icon[:file],'w+')
icon_f.puts svgcrop
icon_f.close
else
puts " -- #{icon[:name]} already exists"
end
end #end of function
def get_output_filename(d,n)
if (/rtl$/.match(n))
outfile = "#{d}/#{n.chomp('-rtl')}-rtl.svg"
else
outfile = "#{d}/#{n}.svg"
end
return outfile
end
#main
# Open SVG file.
svg = Document.new(File.new(SRC48, 'r'))
if (ARGV[0].nil?) #render all SVGs
puts "Rendering from icons in #{SRC48}"
# Go through every layer.
svg.root.each_element("/svg/g[@inkscape:groupmode='layer']") do |context|
context_name = context.attributes.get_attribute("inkscape:label").value
puts "Going through layer '" + context_name + "'"
context.each_element("g") do |icon|
#puts "DEBUG #{icon.attributes.get_attribute('id')}"
dir = "#{PREFIX48}/#{context_name}"
icon_name = icon.attributes.get_attribute("inkscape:label").value
chopSVG({ :name => icon_name,
:id => icon.attributes.get_attribute("id"),
:dir => dir,
:file => get_output_filename(dir, icon_name)})
end
end
puts "\nrendered all SVGs"
else #only render the icons passed
icons = ARGV
ARGV.each do |icon_name|
icon = svg.root.elements["//g[@inkscape:label='#{icon_name}']"]
dir = "#{PREFIX48}/#{icon.parent.attributes['inkscape:label']}"
chopSVG({ :name => icon_name,
:id => icon.attributes["id"],
:dir => dir,
:file => get_output_filename(dir, icon_name),
:forcerender => true})
end
puts "\nrendered #{ARGV.length} icons"
end
#EOF