Add configurable autowidth to allow creation of stacking icon sets

README.md

@@ -42,6 +42,7 @@ preprocessor_path: ""                 # Font path used in CSS proprocessor templ
 data_cache: (same as fontcustom.yml)  # Sets location of data file
 debug: false                          # Output raw messages from fontforge
 quiet: false                          # Silence all output messages
+autowidth: true                       # Automatically size glyphs based on the width of their individual vectors
 templates: [ css, preview ]           # Templates to generate alongside fonts
                                       # Possible values: preview, css, scss, scss-rails, bootstrap, 
                                       # bootstrap-scss, bootstrap-ie7, bootstrap-ie7-scss

lib/fontcustom.rb

@@ -42,6 +42,7 @@ def gem_lib
     :css_prefix => "icon-",
     :data_cache => nil,
     :preprocessor_path => nil,
+    :autowidth => true,
     :no_hash => false,
     :debug => false,
     :quiet => false

lib/fontcustom/cli.rb

@@ -41,6 +41,10 @@ class CLI < Thor
     class_option :preprocessor_path, :aliases => "-s", :type => :string,
       :desc => "Optional font path for CSS proprocessor templates."
 
+    class_option :autowidth, :aliases => "-a", :type => :boolean,
+      :desc => "Auto-size glyphs to their individual vector widths.",
+      :default => DEFAULT_OPTIONS[:autowidth]
+
     class_option :no_hash, :aliases => "-h", :type => :boolean,
       :desc => "Generate fonts without asset-busting hashes."
 

lib/fontcustom/generator/font.rb

@@ -54,7 +54,8 @@ def reset_output
       end
 
       def generate
-        cmd = "fontforge -script #{Fontcustom.gem_lib}/scripts/generate.py #{opts.input[:vectors]} #{opts.output[:fonts]} --name #{opts.font_name}" 
+        cmd = "fontforge -script #{Fontcustom.gem_lib}/scripts/generate.py #{opts.input[:vectors]} #{opts.output[:fonts]} --name #{opts.font_name}"
+        cmd += " --autowidth" if opts.autowidth
         cmd += " --nohash" if opts.no_hash
         cmd += " --debug" if opts.debug
         output, err, status = execute_and_clean(cmd)

lib/fontcustom/options.rb

@@ -8,7 +8,7 @@ module Fontcustom
   class Options
     include Util
 
-    attr_reader :project_root, :input, :output, :config, :templates, :font_name, :css_prefix, :data_cache, :preprocessor_path, :no_hash, :debug, :quiet, :skip_first 
+    attr_reader :project_root, :input, :output, :config, :templates, :font_name, :css_prefix, :data_cache, :preprocessor_path, :autowidth, :no_hash, :debug, :quiet, :skip_first
 
     def initialize(options = {})
       check_fontforge
@@ -95,7 +95,7 @@ def merge_options
       remove_instance_variable :@cli_options
 
       # :config is excluded since it's already been set
-      keys = %w|project_root input output data_cache templates font_name css_prefix preprocessor_path skip_first no_hash debug quiet|
+      keys = %w|project_root input output data_cache templates font_name css_prefix preprocessor_path skip_first autowidth no_hash debug quiet|
       keys.each { |key| instance_variable_set("@#{key}", options[key.to_sym]) }
 
       @font_name = @font_name.strip.gsub(/\W/, "-")

lib/fontcustom/scripts/generate.py

@@ -10,6 +10,7 @@
 	parser = argparse.ArgumentParser(description='Convert a directory of svg and eps files into a unified font file.')
 	parser.add_argument('dir', metavar='directory', type=unicode, nargs=2, help='directory of vector files')
 	parser.add_argument('--name', metavar='fontname', type=unicode, nargs='?', help='reference name of the font (no spaces)')
+	parser.add_argument('--autowidth', '-a', action='store_true', help='automatically size generated glyphs to their vector width')
 	parser.add_argument('--nohash', '-n', action='store_true', help='disable hash fingerprinting of font files')
 	parser.add_argument('--debug', '-d', action='store_true', help='display debug messages')
 	args = parser.parse_args()
@@ -20,6 +21,7 @@
 	import optparse
 	parser = optparse.OptionParser(description='Convert a directory of svg and eps files into a unified font file.')
 	parser.add_option('--name', metavar='fontname', type='string', nargs='?', help='reference name of the font (no spaces)')
+	parser.add_option('--autowidth', '-a', action='store_true', help='automatically size generated glyphs to their vector width')
 	parser.add_option('--nohash', '-n', action='store_true', help='disable hash fingerprinting of font files')
 	parser.add_argument('--debug', '-d', action='store_true', help='display debug messages')
 	(args, posargs) = parser.parse_args()
@@ -56,15 +58,15 @@
 				# replace the <switch> </switch> tags with 'nothing'
 				svgtext = svgtext.replace('<switch>', '')
 				svgtext = svgtext.replace('</switch>', '')
-			
+
 				tmpsvgfile.file.write(svgtext)
 
 				svgfile.close()
 				tmpsvgfile.file.close()
 
 				filePath = tmpsvgfile.name
 				# end hack
-				
+
 			m.update(filename + str(size) + ';')
 			glyph = f.createChar(cp)
 			glyph.importOutlines(filePath)
@@ -75,18 +77,25 @@
 
 			# glyph.left_side_bearing = KERNING
 			# glyph.right_side_bearing = KERNING
-			#glyph.width = 512
 
 			# possible optimization?
 			# glyph.simplify()
 			# glyph.round()
-			glyph.left_side_bearing = glyph.right_side_bearing = 0
-			glyph.round()
+
+			# set glyph size explicitly or automatically depending on autowidth
+			if args.autowidth:
+				glyph.left_side_bearing = glyph.right_side_bearing = 0
+				glyph.round()
+			else:
+				# force a manual size when autowidth is disabled
+				glyph.width = 512
 
 			files.append(name)
 			cp += 1
 
-		f.autoWidth(0, 0, 512)
+		# resize glyphs if autowidth is enabled
+		if args.autowidth:
+			f.autoWidth(0, 0, 512)
 
 if args.nohash:
 	fontfile = outdir + '/' + args.name

lib/fontcustom/templates/fontcustom.yml

@@ -11,6 +11,10 @@
 #debug: false
 #quiet: false
 
+# setting this to false allows the creation of stacking icons, since all glyphs
+# will retain their original positions.
+#autowidth: true
+
 
 # ---------------------------------------------------------------------------- #
 # Project Paths