add font-patcher and nerd-font glyphs

font-patcher

@@ -0,0 +1,929 @@
+#!/usr/bin/env python
+# coding=utf8
+# Nerd Fonts Version: 2.1.0
+# script version: 3.0.1
+
+from __future__ import absolute_import, print_function, unicode_literals
+
+version = "2.1.0"
+projectName = "Nerd Fonts"
+projectNameAbbreviation = "NF"
+projectNameSingular = projectName[:-1]
+
+import sys
+try:
+    import psMat
+except ImportError:
+    sys.exit(projectName + ": FontForge module is probably not installed. [See: http://designwithfontforge.com/en-US/Installing_Fontforge.html]")
+import re
+import os
+import argparse
+from argparse import RawTextHelpFormatter
+import errno
+import subprocess
+import json
+try:
+    import configparser
+except ImportError:
+    sys.exit(projectName + ": configparser module is probably not installed. Try `pip install configparser` or equivalent")
+try:
+    import fontforge
+except ImportError:
+    sys.exit(
+        projectName + (
+            ": FontForge module could not be loaded. Try installing fontforge python bindings "
+            "[e.g. on Linux Debian or Ubuntu: `sudo apt install fontforge python-fontforge`]"
+        )
+    )
+
+
+class font_patcher:
+    def __init__(self):
+        self.args = None  # class 'argparse.Namespace'
+        self.sym_font_args = []
+        self.config = None  # class 'configparser.ConfigParser'
+        self.sourceFont = None  # class 'fontforge.font'
+        self.octiconsExactEncodingPosition = True
+        self.fontlinuxExactEncodingPosition = True
+        self.patch_set = None  # class 'list'
+        self.font_dim = None  # class 'dict'
+        self.onlybitmaps = 0
+        self.extension = ""
+        self.setup_arguments()
+        self.config = configparser.ConfigParser(empty_lines_in_values=False, allow_no_value=True)
+        self.sourceFont = fontforge.open(self.args.font)
+        self.setup_font_names()
+        self.remove_ligatures()
+        make_sure_path_exists(self.args.outputdir)
+        self.check_position_conflicts()
+        self.setup_patch_set()
+        self.setup_line_dimensions()
+        self.get_sourcefont_dimensions()
+        self.sourceFont.encoding = 'UnicodeFull'  # Update the font encoding to ensure that the Unicode glyphs are available
+        self.onlybitmaps = self.sourceFont.onlybitmaps  # Fetch this property before adding outlines. NOTE self.onlybitmaps initialized and never used
+        if self.args.extension == "":
+            self.extension = os.path.splitext(self.sourceFont.path)[1]
+        else:
+            self.extension = '.' + self.args.extension
+
+
+    def patch(self):
+        if self.args.single:
+            # Force width to be equal on all glyphs to ensure the font is considered monospaced on Windows.
+            # This needs to be done on all characters, as some information seems to be lost from the original font file.
+            self.set_sourcefont_glyph_widths()
+
+        # Prevent opening and closing the fontforge font. Makes things faster when patching
+        # multiple ranges using the same symbol font.
+        PreviousSymbolFilename = ""
+        symfont = None
+
+        for patch in self.patch_set:
+            if patch['Enabled']:
+                if PreviousSymbolFilename != patch['Filename']:
+                    # We have a new symbol font, so close the previous one if it exists
+                    if symfont:
+                        symfont.close()
+                        symfont = None
+                    symfont = fontforge.open(self.args.glyphdir + patch['Filename'])
+
+                    # Match the symbol font size to the source font size
+                    symfont.em = self.sourceFont.em
+                    PreviousSymbolFilename = patch['Filename']
+
+                # If patch table doesn't include a source start and end, re-use the symbol font values
+                SrcStart = patch['SrcStart']
+                SrcEnd = patch['SrcEnd']
+                if not SrcStart:
+                    SrcStart = patch['SymStart']
+                if not SrcEnd:
+                    SrcEnd = patch['SymEnd']
+                self.copy_glyphs(SrcStart, SrcEnd, symfont, patch['SymStart'], patch['SymEnd'], patch['Exact'], patch['ScaleGlyph'], patch['Name'], patch['Attributes'])
+
+        if symfont:
+            symfont.close()
+        print("\nDone with Patch Sets, generating font...")
+
+        # the `PfEd-comments` flag is required for Fontforge to save '.comment' and '.fontlog'.
+        if self.sourceFont.fullname != None:
+            self.sourceFont.generate(self.args.outputdir + "/" + self.sourceFont.fullname + self.extension, flags=(str('opentype'), str('PfEd-comments')))
+            print("\nGenerated: {}".format(self.sourceFont.fontname))
+        else:
+            self.sourceFont.generate(self.args.outputdir + "/" + self.sourceFont.cidfontname + self.extension, flags=(str('opentype'), str('PfEd-comments')))
+            print("\nGenerated: {}".format(self.sourceFont.fullname))
+
+        if self.args.postprocess:
+            subprocess.call([self.args.postprocess, self.args.outputdir + "/" + self.sourceFont.fullname + self.extension])
+            print("\nPost Processed: {}".format(self.sourceFont.fullname))
+
+
+    def setup_arguments(self):
+        parser = argparse.ArgumentParser(
+            description=(
+                'Nerd Fonts Font Patcher: patches a given font with programming and development related glyphs\n\n'
+                '* Website: https://www.nerdfonts.com\n'
+                '* Version: ' + version + '\n'
+                '* Development Website: https://github.com/ryanoasis/nerd-fonts\n'
+                '* Changelog: https://github.com/ryanoasis/nerd-fonts/blob/master/changelog.md'),
+            formatter_class=RawTextHelpFormatter
+        )
+
+        # optional arguments
+        parser.add_argument('font',                                      help='The path to the font to patch (e.g., Inconsolata.otf)')
+        parser.add_argument('-v', '--version',                           action='version',        version=projectName + ": %(prog)s (" + version + ")")
+        parser.add_argument('-s', '--mono', '--use-single-width-glyphs', dest='single',           default=False, action='store_true', help='Whether to generate the glyphs as single-width not double-width (default is double-width)')
+        parser.add_argument('-l', '--adjust-line-height',                dest='adjustLineHeight', default=False, action='store_true', help='Whether to adjust line heights (attempt to center powerline separators more evenly)')
+        parser.add_argument('-q', '--quiet', '--shutup',                 dest='quiet',            default=False, action='store_true', help='Do not generate verbose output')
+        parser.add_argument('-w', '--windows',                           dest='windows',          default=False, action='store_true', help='Limit the internal font name to 31 characters (for Windows compatibility)')
+        parser.add_argument('-c', '--complete',                          dest='complete',         default=False, action='store_true', help='Add all available Glyphs')
+        parser.add_argument('--careful',                                 dest='careful',          default=False, action='store_true', help='Do not overwrite existing glyphs if detected')
+        parser.add_argument('--removeligs', '--removeligatures',         dest='removeligatures',  default=False, action='store_true', help='Removes ligatures specificed in JSON configuration file')
+        parser.add_argument('--postprocess',                             dest='postprocess',      default=False, type=str, nargs='?', help='Specify a Script for Post Processing')
+        parser.add_argument('--configfile',                              dest='configfile',       default=False, type=str, nargs='?', help='Specify a file path for JSON configuration file (see sample: src/config.sample.json)')
+        parser.add_argument('--custom',                                  dest='custom',           default=False, type=str, nargs='?', help='Specify a custom symbol font. All new glyphs will be copied, with no scaling applied.')
+        parser.add_argument('-ext', '--extension',                       dest='extension',        default="",    type=str, nargs='?', help='Change font file type to create (e.g., ttf, otf)')
+        parser.add_argument('-out', '--outputdir',                       dest='outputdir',        default=".",   type=str, nargs='?', help='The directory to output the patched font file to')
+        parser.add_argument('--glyphdir',                                dest='glyphdir',         default=__dir__ + "/src/glyphs/", type=str, nargs='?', help='Path to glyphs to be used for patching')
+
+        # progress bar arguments - https://stackoverflow.com/questions/15008758/parsing-boolean-values-with-argparse
+        progressbars_group_parser = parser.add_mutually_exclusive_group(required=False)
+        progressbars_group_parser.add_argument('--progressbars',         dest='progressbars',     action='store_true',                help='Show percentage completion progress bars per Glyph Set')
+        progressbars_group_parser.add_argument('--no-progressbars',      dest='progressbars',     action='store_false',               help='Don\'t show percentage completion progress bars per Glyph Set')
+        parser.set_defaults(progressbars=True)
+
+        # symbol fonts to include arguments
+        sym_font_group = parser.add_argument_group('Symbol Fonts')
+        sym_font_group.add_argument('--fontawesome',                                dest='fontawesome',          default=False, action='store_true', help='Add Font Awesome Glyphs (http://fontawesome.io/)')
+        sym_font_group.add_argument('--fontawesomeextension',                       dest='fontawesomeextension', default=False, action='store_true', help='Add Font Awesome Extension Glyphs (https://andrelzgava.github.io/font-awesome-extension/)')
+        sym_font_group.add_argument('--fontlinux', '--fontlogos',                   dest='fontlinux',            default=False, action='store_true', help='Add Font Linux and other open source Glyphs (https://github.com/Lukas-W/font-logos)')
+        sym_font_group.add_argument('--octicons',                                   dest='octicons',             default=False, action='store_true', help='Add Octicons Glyphs (https://octicons.github.com)')
+        sym_font_group.add_argument('--powersymbols',                               dest='powersymbols',         default=False, action='store_true', help='Add IEC Power Symbols (https://unicodepowersymbol.com/)')
+        sym_font_group.add_argument('--pomicons',                                   dest='pomicons',             default=False, action='store_true', help='Add Pomicon Glyphs (https://github.com/gabrielelana/pomicons)')
+        sym_font_group.add_argument('--powerline',                                  dest='powerline',            default=False, action='store_true', help='Add Powerline Glyphs')
+        sym_font_group.add_argument('--powerlineextra',                             dest='powerlineextra',       default=False, action='store_true', help='Add Powerline Glyphs (https://github.com/ryanoasis/powerline-extra-symbols)')
+        sym_font_group.add_argument('--material', '--materialdesignicons', '--mdi', dest='material',             default=False, action='store_true', help='Add Material Design Icons (https://github.com/templarian/MaterialDesign)')
+        sym_font_group.add_argument('--weather', '--weathericons',                  dest='weather',              default=False, action='store_true', help='Add Weather Icons (https://github.com/erikflowers/weather-icons)')
+
+        self.args = parser.parse_args()
+
+        # if you add a new font, set it to True here inside the if condition
+        if self.args.complete:
+            self.args.fontawesome = True
+            self.args.fontawesomeextension = True
+            self.args.fontlinux = True
+            self.args.octicons = True
+            self.args.powersymbols = True
+            self.args.pomicons = True
+            self.args.powerline = True
+            self.args.powerlineextra = True
+            self.args.material = True
+            self.args.weather = True
+
+        if not self.args.complete:
+            # add the list of arguments for each symbol font to the list self.sym_font_args
+            for action in sym_font_group._group_actions:
+                self.sym_font_args.append(action.__dict__['option_strings'])
+
+            # determine whether or not all symbol fonts are to be used
+            font_complete = True
+            for sym_font_arg_aliases in self.sym_font_args:
+                found = False
+                for alias in sym_font_arg_aliases:
+                    if alias in sys.argv:
+                        found = True
+                if found is not True:
+                    font_complete = False
+            self.args.complete = font_complete
+
+        # this one also works but it needs to be updated every time a font is added
+        # it was a conditional in self.setup_font_names() before, but it was missing
+        # a symbol font, so it would name the font complete without being so sometimes.
+        # that's why i did the above.
+        #
+        # if you add a new font, put it in here too, as the others are
+        # self.args.complete = all([
+        #     self.args.fontawesome is True,
+        #     self.args.fontawesomeextension is True,
+        #     self.args.fontlinux is True,
+        #     self.args.octicons is True,
+        #     self.args.powersymbols is True,
+        #     self.args.pomicons is True,
+        #     self.args.powerline is True,
+        #     self.args.powerlineextra is True,
+        #     self.args.material is True,
+        #     self.args.weather is True
+        # ])
+
+
+    def setup_font_names(self):
+        verboseAdditionalFontNameSuffix = " " + projectNameSingular
+        if self.args.windows:  # attempt to shorten here on the additional name BEFORE trimming later
+            additionalFontNameSuffix = " " + projectNameAbbreviation
+        else:
+            additionalFontNameSuffix = verboseAdditionalFontNameSuffix
+        if not self.args.complete:
+            # NOTE not all symbol fonts have appended their suffix here
+            if self.args.fontawesome:
+                additionalFontNameSuffix += " A"
+                verboseAdditionalFontNameSuffix += " Plus Font Awesome"
+            if self.args.fontawesomeextension:
+                additionalFontNameSuffix += " AE"
+                verboseAdditionalFontNameSuffix += " Plus Font Awesome Extension"
+            if self.args.octicons:
+                additionalFontNameSuffix += " O"
+                verboseAdditionalFontNameSuffix += " Plus Octicons"
+            if self.args.powersymbols:
+                additionalFontNameSuffix += " PS"
+                verboseAdditionalFontNameSuffix += " Plus Power Symbols"
+            if self.args.pomicons:
+                additionalFontNameSuffix += " P"
+                verboseAdditionalFontNameSuffix += " Plus Pomicons"
+            if self.args.fontlinux:
+                additionalFontNameSuffix += " L"
+                verboseAdditionalFontNameSuffix += " Plus Font Logos (Font Linux)"
+            if self.args.material:
+                additionalFontNameSuffix += " MDI"
+                verboseAdditionalFontNameSuffix += " Plus Material Design Icons"
+            if self.args.weather:
+                additionalFontNameSuffix += " WEA"
+                verboseAdditionalFontNameSuffix += " Plus Weather Icons"
+
+        # if all source glyphs included simplify the name
+        else:
+            additionalFontNameSuffix = " " + projectNameSingular + " Complete"
+            verboseAdditionalFontNameSuffix = " " + projectNameSingular + " Complete"
+
+        # add mono signifier to end of name
+        if self.args.single:
+            additionalFontNameSuffix += " M"
+            verboseAdditionalFontNameSuffix += " Mono"
+
+        # basically split the font name around the dash "-" to get the fontname and the style (e.g. Bold)
+        # this does not seem very reliable so only use the style here as a fallback if the font does not
+        # have an internal style defined (in sfnt_names)
+        # using '([^-]*?)' to get the item before the first dash "-"
+        # using '([^-]*(?!.*-))' to get the item after the last dash "-"
+        fontname, fallbackStyle = re.match("^([^-]*).*?([^-]*(?!.*-))$", self.sourceFont.fontname).groups()
+
+        # dont trust 'sourceFont.familyname'
+        familyname = fontname
+
+        # fullname (filename) can always use long/verbose font name, even in windows
+        if self.sourceFont.fullname != None:
+            fullname = self.sourceFont.fullname + verboseAdditionalFontNameSuffix
+        else:
+            fullname = self.sourceFont.cidfontname + verboseAdditionalFontNameSuffix
+
+        fontname = fontname + additionalFontNameSuffix.replace(" ", "")
+
+        # let us try to get the 'style' from the font info in sfnt_names and fallback to the
+        # parse fontname if it fails:
+        try:
+            # search tuple:
+            subFamilyTupleIndex = [x[1] for x in self.sourceFont.sfnt_names].index("SubFamily")
+
+            # String ID is at the second index in the Tuple lists
+            sfntNamesStringIDIndex = 2
+
+            # now we have the correct item:
+            subFamily = self.sourceFont.sfnt_names[subFamilyTupleIndex][sfntNamesStringIDIndex]
+        except IndexError:
+            sys.stderr.write("{}: Could not find 'SubFamily' for given font, falling back to parsed fontname\n".format(projectName))
+            subFamily = fallbackStyle
+
+        # some fonts have inaccurate 'SubFamily', if it is Regular let us trust the filename more:
+        if subFamily == "Regular":
+            subFamily = fallbackStyle
+
+        # This is meant to cover the case where the SubFamily is "Italic" and the filename is *-BoldItalic.
+        if  len(subFamily) < len(fallbackStyle):
+            subFamily = fallbackStyle
+
+        if self.args.windows:
+            maxFamilyLength = 31
+            maxFontLength = maxFamilyLength - len('-' + subFamily)
+            familyname += " " + projectNameAbbreviation
+            fullname += " Windows Compatible"
+
+            # now make sure less than 32 characters name length
+            if len(fontname) > maxFontLength:
+                fontname = fontname[:maxFontLength]
+            if len(familyname) > maxFamilyLength:
+                familyname = familyname[:maxFamilyLength]
+        else:
+            familyname += " " + projectNameSingular
+            if self.args.single:
+                familyname += " Mono"
+
+        # Don't truncate the subfamily to keep fontname unique.  MacOS treats fonts with
+        # the same name as the same font, even if subFamily is different.
+        fontname += '-' + subFamily
+
+        # rename font
+        #
+        # comply with SIL Open Font License (OFL)
+        reservedFontNameReplacements = {
+            'source'         : 'sauce',
+            'Source'         : 'Sauce',
+            'hermit'         : 'hurmit',
+            'Hermit'         : 'Hurmit',
+            'hasklig'        : 'hasklug',
+            'Hasklig'        : 'Hasklug',
+            'Share'          : 'Shure',
+            'share'          : 'shure',
+            'IBMPlex'        : 'Blex',
+            'ibmplex'        : 'blex',
+            'IBM-Plex'       : 'Blex',
+            'IBM Plex'       : 'Blex',
+            'terminus'       : 'terminess',
+            'Terminus'       : 'Terminess',
+            'liberation'     : 'literation',
+            'Liberation'     : 'Literation',
+            'iAWriter'       : 'iMWriting',
+            'iA Writer'      : 'iM Writing',
+            'iA-Writer'      : 'iM-Writing',
+            'Anka/Coder'     : 'AnaConder',
+            'anka/coder'     : 'anaconder',
+            'Cascadia Code'  : 'Caskaydia Cove',
+            'cascadia code'  : 'caskaydia cove',
+            'CascadiaCode'   : 'CaskaydiaCove',
+            'cascadiacode'   : 'caskaydiacove'
+        }
+
+        # remove overly verbose font names
+        # particularly regarding Powerline sourced Fonts (https://github.com/powerline/fonts)
+        additionalFontNameReplacements = {
+            'for Powerline': '',
+            'ForPowerline': ''
+        }
+
+        additionalFontNameReplacements2 = {
+            'Powerline': ''
+        }
+
+        projectInfo = (
+            "Patched with '" + projectName + " Patcher' (https://github.com/ryanoasis/nerd-fonts)\n\n"
+            "* Website: https://www.nerdfonts.com\n"
+            "* Version: " + version + "\n"
+            "* Development Website: https://github.com/ryanoasis/nerd-fonts\n"
+            "* Changelog: https://github.com/ryanoasis/nerd-fonts/blob/master/changelog.md"
+        )
+
+        familyname = replace_font_name(familyname, reservedFontNameReplacements)
+        fullname   = replace_font_name(fullname,   reservedFontNameReplacements)
+        fontname   = replace_font_name(fontname,   reservedFontNameReplacements)
+        familyname = replace_font_name(familyname, additionalFontNameReplacements)
+        fullname   = replace_font_name(fullname,   additionalFontNameReplacements)
+        fontname   = replace_font_name(fontname,   additionalFontNameReplacements)
+        familyname = replace_font_name(familyname, additionalFontNameReplacements2)
+        fullname   = replace_font_name(fullname,   additionalFontNameReplacements2)
+        fontname   = replace_font_name(fontname,   additionalFontNameReplacements2)
+
+        # replace any extra whitespace characters:
+        self.sourceFont.familyname = " ".join(familyname.split())
+        self.sourceFont.fullname   = " ".join(fullname.split())
+        self.sourceFont.fontname   = " ".join(fontname.split())
+
+        self.sourceFont.appendSFNTName(str('English (US)'), str('Preferred Family'), self.sourceFont.familyname)
+        self.sourceFont.appendSFNTName(str('English (US)'), str('Family'), self.sourceFont.familyname)
+        self.sourceFont.appendSFNTName(str('English (US)'), str('Compatible Full'), self.sourceFont.fullname)
+        self.sourceFont.appendSFNTName(str('English (US)'), str('SubFamily'), subFamily)
+        self.sourceFont.comment = projectInfo
+        self.sourceFont.fontlog = projectInfo
+
+        # TODO version not being set for all font types (e.g. ttf)
+        # print("Version was {}".format(sourceFont.version))
+        if self.sourceFont.version != None:
+            self.sourceFont.version += ";" + projectName + " " + version
+        else:
+            self.sourceFont.version = str(self.sourceFont.cidversion) + ";" + projectName + " " + version
+        # print("Version now is {}".format(sourceFont.version))
+
+
+    def remove_ligatures(self):
+        # let's deal with ligatures (mostly for monospaced fonts)
+        if self.args.configfile and self.config.read(self.args.configfile):
+            if self.args.removeligatures:
+                print("Removing ligatures from configfile `Subtables` section")
+                ligature_subtables = json.loads(self.config.get("Subtables", "ligatures"))
+                for subtable in ligature_subtables:
+                    print("Removing subtable:", subtable)
+                try:
+                    self.sourceFont.removeLookupSubtable(subtable)
+                    print("Successfully removed subtable:", subtable)
+                except Exception:
+                    print("Failed to remove subtable:", subtable)
+            elif self.args.removeligatures:
+                print("Unable to read configfile, unable to remove ligatures")
+            else:
+                print("No configfile given, skipping configfile related actions")
+
+
+    def check_position_conflicts(self):
+        # Prevent glyph encoding position conflicts between glyph sets
+        if self.args.fontawesome and self.args.octicons:
+            self.octiconsExactEncodingPosition = False
+        if self.args.fontawesome or self.args.octicons:
+            self.fontlinuxExactEncodingPosition = False
+
+
+    def setup_patch_set(self):
+        """ Creates list of dicts to with instructions on copying glyphs from each symbol font into self.sourceFont """
+        # Supported params: overlap | careful
+        # Powerline dividers
+        SYM_ATTR_POWERLINE = {
+            'default': {'align': 'c', 'valign': 'c', 'stretch': 'pa', 'params': ''},
+
+            # Arrow tips
+            0xe0b0: {'align': 'l', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.02}},
+            0xe0b1: {'align': 'l', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.02}},
+            0xe0b2: {'align': 'r', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.02}},
+            0xe0b3: {'align': 'r', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.02}},
+
+            # Rounded arcs
+            0xe0b4: {'align': 'l', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.01}},
+            0xe0b5: {'align': 'l', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.01}},
+            0xe0b6: {'align': 'r', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.01}},
+            0xe0b7: {'align': 'r', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.01}},
+
+            # Bottom Triangles
+            0xe0b8: {'align': 'l', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.02}},
+            0xe0b9: {'align': 'l', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.02}},
+            0xe0ba: {'align': 'r', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.02}},
+            0xe0bb: {'align': 'r', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.02}},
+
+            # Top Triangles
+            0xe0bc: {'align': 'l', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.02}},
+            0xe0bd: {'align': 'l', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.02}},
+            0xe0be: {'align': 'r', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.02}},
+            0xe0bf: {'align': 'r', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.02}},
+
+            # Flames
+            0xe0c0: {'align': 'l', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.01}},
+            0xe0c1: {'align': 'l', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.01}},
+            0xe0c2: {'align': 'r', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.01}},
+            0xe0c3: {'align': 'r', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.01}},
+
+            # Small squares
+            0xe0c4: {'align': 'l', 'valign': 'c', 'stretch': 'xy', 'params': ''},
+            0xe0c5: {'align': 'r', 'valign': 'c', 'stretch': 'xy', 'params': ''},
+
+            # Bigger squares
+            0xe0c6: {'align': 'l', 'valign': 'c', 'stretch': 'xy', 'params': ''},
+            0xe0c7: {'align': 'r', 'valign': 'c', 'stretch': 'xy', 'params': ''},
+
+            # Waveform
+            0xe0c8: {'align': 'l', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.01}},
+
+            # Hexagons
+            0xe0cc: {'align': 'l', 'valign': 'c', 'stretch': 'xy', 'params': ''},
+            0xe0cd: {'align': 'l', 'valign': 'c', 'stretch': 'xy', 'params': ''},
+
+            # Legos
+            0xe0ce: {'align': 'l', 'valign': 'c', 'stretch': 'xy', 'params': ''},
+            0xe0cf: {'align': 'c', 'valign': 'c', 'stretch': 'xy', 'params': ''},
+            0xe0d1: {'align': 'l', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.02}},
+
+            # Top and bottom trapezoid
+            0xe0d2: {'align': 'l', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.02}},
+            0xe0d4: {'align': 'r', 'valign': 'c', 'stretch': 'xy', 'params': {'overlap': 0.02}}
+        }
+
+        SYM_ATTR_DEFAULT = {
+            # 'pa' == preserve aspect ratio
+            'default': {'align': 'c', 'valign': 'c', 'stretch': 'pa', 'params': ''}
+        }
+
+        SYM_ATTR_FONTA = {
+            # 'pa' == preserve aspect ratio
+            'default': {'align': 'c', 'valign': 'c', 'stretch': 'pa', 'params': ''},
+
+            # Don't center these arrows vertically
+            0xf0dc: {'align': 'c', 'valign': '', 'stretch': 'pa', 'params': ''},
+            0xf0dd: {'align': 'c', 'valign': '', 'stretch': 'pa', 'params': ''},
+            0xf0de: {'align': 'c', 'valign': '', 'stretch': 'pa', 'params': ''}
+        }
+
+        CUSTOM_ATTR = {
+            # 'pa' == preserve aspect ratio
+            'default': {'align': 'c', 'valign': '', 'stretch': '', 'params': ''}
+        }
+
+        # Most glyphs we want to maximize during the scale.  However, there are some
+        # that need to be small or stay relative in size to each other.
+        # The following list are those glyphs.  A tuple represents a range.
+        DEVI_SCALE_LIST  = {'ScaleGlyph': 0xE60E, 'GlyphsToScale': [(0xe6bd, 0xe6c3)]}
+        FONTA_SCALE_LIST = {'ScaleGlyph': 0xF17A, 'GlyphsToScale': [0xf005, 0xf006, (0xf026, 0xf028), 0xf02b, 0xf02c, (0xf031, 0xf035), (0xf044, 0xf054), (0xf060, 0xf063), 0xf077, 0xf078, 0xf07d, 0xf07e, 0xf089, (0xf0d7, 0xf0da), (0xf0dc, 0xf0de), (0xf100, 0xf107), 0xf141, 0xf142, (0xf153, 0xf15a), (0xf175, 0xf178), 0xf182, 0xf183, (0xf221, 0xf22d), (0xf255, 0xf25b)]}
+        OCTI_SCALE_LIST  = {'ScaleGlyph': 0xF02E, 'GlyphsToScale': [(0xf03d, 0xf040), 0xf044, (0xf051, 0xf053), 0xf05a, 0xf05b, 0xf071, 0xf078, (0xf09f, 0xf0aa), 0xf0ca]}
+
+        # Define the character ranges
+        # Symbol font ranges
+        self.patch_set = [
+            {'Enabled': True,                           'Name': "Seti-UI + Custom",        'Filename': "original-source.otf",              'Exact': False,                               'SymStart': 0xE4FA, 'SymEnd': 0xE530, 'SrcStart': 0xE5FA, 'SrcEnd': 0xE630, 'ScaleGlyph': None,             'Attributes': SYM_ATTR_DEFAULT},
+            {'Enabled': True,                           'Name': "Devicons",                'Filename': "devicons.ttf",                     'Exact': False,                               'SymStart': 0xE600, 'SymEnd': 0xE6C5, 'SrcStart': 0xE700, 'SrcEnd': 0xE7C5, 'ScaleGlyph': DEVI_SCALE_LIST,  'Attributes': SYM_ATTR_DEFAULT},
+            {'Enabled': self.args.powerline,            'Name': "Powerline Symbols",       'Filename': "PowerlineSymbols.otf",             'Exact': True,                                'SymStart': 0xE0A0, 'SymEnd': 0xE0A2, 'SrcStart': None,   'SrcEnd': None,   'ScaleGlyph': None,             'Attributes': SYM_ATTR_POWERLINE},
+            {'Enabled': self.args.powerline,            'Name': "Powerline Symbols",       'Filename': "PowerlineSymbols.otf",             'Exact': True,                                'SymStart': 0xE0B0, 'SymEnd': 0xE0B3, 'SrcStart': None,   'SrcEnd': None,   'ScaleGlyph': None,             'Attributes': SYM_ATTR_POWERLINE},
+            {'Enabled': self.args.powerlineextra,       'Name': "Powerline Extra Symbols", 'Filename': "PowerlineExtraSymbols.otf",        'Exact': True,                                'SymStart': 0xE0A3, 'SymEnd': 0xE0A3, 'SrcStart': None,   'SrcEnd': None,   'ScaleGlyph': None,             'Attributes': SYM_ATTR_POWERLINE},
+            {'Enabled': self.args.powerlineextra,       'Name': "Powerline Extra Symbols", 'Filename': "PowerlineExtraSymbols.otf",        'Exact': True,                                'SymStart': 0xE0B4, 'SymEnd': 0xE0C8, 'SrcStart': None,   'SrcEnd': None,   'ScaleGlyph': None,             'Attributes': SYM_ATTR_POWERLINE},
+            {'Enabled': self.args.powerlineextra,       'Name': "Powerline Extra Symbols", 'Filename': "PowerlineExtraSymbols.otf",        'Exact': True,                                'SymStart': 0xE0CA, 'SymEnd': 0xE0CA, 'SrcStart': None,   'SrcEnd': None,   'ScaleGlyph': None,             'Attributes': SYM_ATTR_POWERLINE},
+            {'Enabled': self.args.powerlineextra,       'Name': "Powerline Extra Symbols", 'Filename': "PowerlineExtraSymbols.otf",        'Exact': True,                                'SymStart': 0xE0CC, 'SymEnd': 0xE0D4, 'SrcStart': None,   'SrcEnd': None,   'ScaleGlyph': None,             'Attributes': SYM_ATTR_POWERLINE},
+            {'Enabled': self.args.pomicons,             'Name': "Pomicons",                'Filename': "Pomicons.otf",                     'Exact': True,                                'SymStart': 0xE000, 'SymEnd': 0xE00A, 'SrcStart': None,   'SrcEnd': None,   'ScaleGlyph': None,             'Attributes': SYM_ATTR_DEFAULT},
+            {'Enabled': self.args.fontawesome,          'Name': "Font Awesome",            'Filename': "FontAwesome.otf",                  'Exact': True,                                'SymStart': 0xF000, 'SymEnd': 0xF2E0, 'SrcStart': None,   'SrcEnd': None,   'ScaleGlyph': FONTA_SCALE_LIST, 'Attributes': SYM_ATTR_FONTA},
+            {'Enabled': self.args.fontawesomeextension, 'Name': "Font Awesome Extension",  'Filename': "font-awesome-extension.ttf",       'Exact': False,                               'SymStart': 0xE000, 'SymEnd': 0xE0A9, 'SrcStart': 0xE200, 'SrcEnd': 0xE2A9, 'ScaleGlyph': None,             'Attributes': SYM_ATTR_DEFAULT},  # Maximize
+            {'Enabled': self.args.powersymbols,         'Name': "Power Symbols",           'Filename': "Unicode_IEC_symbol_font.otf",      'Exact': True,                                'SymStart': 0x23FB, 'SymEnd': 0x23FE, 'SrcStart': None,   'SrcEnd': None,   'ScaleGlyph': None,             'Attributes': SYM_ATTR_DEFAULT},  # Power, Power On/Off, Power On, Sleep
+            {'Enabled': self.args.powersymbols,         'Name': "Power Symbols",           'Filename': "Unicode_IEC_symbol_font.otf",      'Exact': True,                                'SymStart': 0x2B58, 'SymEnd': 0x2B58, 'SrcStart': None,   'SrcEnd': None,   'ScaleGlyph': None,             'Attributes': SYM_ATTR_DEFAULT},  # Heavy Circle (aka Power Off)
+            {'Enabled': self.args.material,             'Name': "Material",                'Filename': "materialdesignicons-webfont.ttf",  'Exact': False,                               'SymStart': 0xF001, 'SymEnd': 0xF847, 'SrcStart': 0xF500, 'SrcEnd': 0xFD46, 'ScaleGlyph': None,             'Attributes': SYM_ATTR_DEFAULT},
+            {'Enabled': self.args.weather,              'Name': "Weather Icons",           'Filename': "weathericons-regular-webfont.ttf", 'Exact': False,                               'SymStart': 0xF000, 'SymEnd': 0xF0EB, 'SrcStart': 0xE300, 'SrcEnd': 0xE3EB, 'ScaleGlyph': None,             'Attributes': SYM_ATTR_DEFAULT},
+            {'Enabled': self.args.fontlinux,            'Name': "Font Logos (Font Linux)", 'Filename': "font-logos.ttf",                   'Exact': self.fontlinuxExactEncodingPosition, 'SymStart': 0xF100, 'SymEnd': 0xF12D, 'SrcStart': 0xF300, 'SrcEnd': 0xF32D, 'ScaleGlyph': None,             'Attributes': SYM_ATTR_DEFAULT},
+            {'Enabled': self.args.octicons,             'Name': "Octicons",                'Filename': "octicons.ttf",                     'Exact': self.octiconsExactEncodingPosition,  'SymStart': 0xF000, 'SymEnd': 0xF105, 'SrcStart': 0xF400, 'SrcEnd': 0xF505, 'ScaleGlyph': OCTI_SCALE_LIST,  'Attributes': SYM_ATTR_DEFAULT},  # Magnifying glass
+            {'Enabled': self.args.octicons,             'Name': "Octicons",                'Filename': "octicons.ttf",                     'Exact': self.octiconsExactEncodingPosition,  'SymStart': 0x2665, 'SymEnd': 0x2665, 'SrcStart': None,   'SrcEnd': None,   'ScaleGlyph': OCTI_SCALE_LIST,  'Attributes': SYM_ATTR_DEFAULT},  # Heart
+            {'Enabled': self.args.octicons,             'Name': "Octicons",                'Filename': "octicons.ttf",                     'Exact': self.octiconsExactEncodingPosition,  'SymStart': 0X26A1, 'SymEnd': 0X26A1, 'SrcStart': None,   'SrcEnd': None,   'ScaleGlyph': OCTI_SCALE_LIST,  'Attributes': SYM_ATTR_DEFAULT},  # Zap
+            {'Enabled': self.args.octicons,             'Name': "Octicons",                'Filename': "octicons.ttf",                     'Exact': self.octiconsExactEncodingPosition,  'SymStart': 0xF27C, 'SymEnd': 0xF27C, 'SrcStart': 0xF4A9, 'SrcEnd': 0xF4A9, 'ScaleGlyph': OCTI_SCALE_LIST,  'Attributes': SYM_ATTR_DEFAULT},  # Desktop
+            {'Enabled': self.args.custom,               'Name': "Custom",                  'Filename': self.args.custom,                   'Exact': True,                                'SymStart': 0x0000, 'SymEnd': 0x0000, 'SrcStart': 0x0000, 'SrcEnd': 0x0000, 'ScaleGlyph': None,             'Attributes': CUSTOM_ATTR}
+        ]
+
+
+    def setup_line_dimensions(self):
+        # win_ascent and win_descent are used to set the line height for windows fonts.
+        # hhead_ascent and hhead_descent are used to set the line height for mac fonts.
+        #
+        # Make the total line size even.  This seems to make the powerline separators
+        # center more evenly.
+        if self.args.adjustLineHeight:
+            if (self.sourceFont.os2_winascent + self.sourceFont.os2_windescent) % 2 != 0:
+                self.sourceFont.os2_winascent += 1
+
+            # Make the line size identical for windows and mac
+            self.sourceFont.hhea_ascent = self.sourceFont.os2_winascent
+            self.sourceFont.hhea_descent = -self.sourceFont.os2_windescent
+
+        # Line gap add extra space on the bottom of the line which
+        # doesn't allow the powerline glyphs to fill the entire line.
+        self.sourceFont.hhea_linegap = 0
+        self.sourceFont.os2_typolinegap = 0
+
+
+    def get_sourcefont_dimensions(self):
+        # Initial font dimensions
+        self.font_dim = {
+            'xmin'  : 0,
+            'ymin'  : -self.sourceFont.os2_windescent,
+            'xmax'  : 0,
+            'ymax'  : self.sourceFont.os2_winascent,
+            'width' : 0,
+            'height': 0,
+        }
+
+        # Find the biggest char width
+        # Ignore the y-values, os2_winXXXXX values set above are used for line height
+        #
+        # 0x00-0x17f is the Latin Extended-A range
+        for glyph in range(0x00, 0x17f):
+            try:
+                (_, _, xmax, _) = self.sourceFont[glyph].boundingBox()
+            except TypeError:
+                continue
+            if self.font_dim['width'] < self.sourceFont[glyph].width:
+                self.font_dim['width'] = self.sourceFont[glyph].width
+            if xmax > self.font_dim['xmax']:
+                self.font_dim['xmax'] = xmax
+
+        # Calculate font height
+        self.font_dim['height'] = abs(self.font_dim['ymin']) + self.font_dim['ymax']
+
+
+    def get_scale_factor(self, sym_dim):
+        scale_ratio = 1
+
+        # We want to preserve x/y aspect ratio, so find biggest scale factor that allows symbol to fit
+        scale_ratio_x = self.font_dim['width'] / sym_dim['width']
+
+        # font_dim['height'] represents total line height, keep our symbols sized based upon font's em
+        # NOTE: is this comment correct? font_dim['height'] isn't used here
+        scale_ratio_y = self.sourceFont.em / sym_dim['height']
+        if scale_ratio_x > scale_ratio_y:
+            scale_ratio = scale_ratio_y
+        else:
+            scale_ratio = scale_ratio_x
+        return scale_ratio
+
+
+    def copy_glyphs(self, sourceFontStart, sourceFontEnd, symbolFont, symbolFontStart, symbolFontEnd, exactEncoding, scaleGlyph, setName, attributes):
+        """ Copies symbol glyphs into self.sourceFont """
+        progressText = ''
+        careful = False
+        glyphSetLength = 0
+
+        if self.args.careful:
+            careful = True
+
+        if exactEncoding is False:
+            sourceFontList = []
+            sourceFontCounter = 0
+            for i in range(sourceFontStart, sourceFontEnd + 1):
+                sourceFontList.append(format(i, 'X'))
+
+        scale_factor = 0
+        if scaleGlyph:
+            sym_dim = get_glyph_dimensions(symbolFont[scaleGlyph['ScaleGlyph']])
+            scale_factor = self.get_scale_factor(sym_dim)
+
+        # Create glyphs from symbol font
+        #
+        # If we are going to copy all Glyphs, then assume we want to be careful
+        # and only copy those that are not already contained in the source font
+        if symbolFontStart == 0:
+            symbolFont.selection.all()
+            self.sourceFont.selection.all()
+            careful = True
+        else:
+            symbolFont.selection.select((str("ranges"), str("unicode")), symbolFontStart, symbolFontEnd)
+            self.sourceFont.selection.select((str("ranges"), str("unicode")), sourceFontStart, sourceFontEnd)
+
+        # Get number of selected non-empty glyphs @TODO FIXME
+        for index, sym_glyph in enumerate(symbolFont.selection.byGlyphs):
+            glyphSetLength += 1
+        # end for
+
+        if self.args.quiet is False:
+            sys.stdout.write("Adding " + str(max(1, glyphSetLength)) + " Glyphs from " + setName + " Set \n")
+
+        for index, sym_glyph in enumerate(symbolFont.selection.byGlyphs):
+            index = max(1, index)
+
+            try:
+                sym_attr = attributes[sym_glyph.unicode]
+            except KeyError:
+                sym_attr = attributes['default']
+
+            if exactEncoding:
+                # use the exact same hex values for the source font as for the symbol font
+                currentSourceFontGlyph = sym_glyph.encoding
+
+                # Save as a hex string without the '0x' prefix
+                copiedToSlot = format(sym_glyph.unicode, 'X')
+            else:
+                # use source font defined hex values based on passed in start and end
+                # convince that this string really is a hex:
+                currentSourceFontGlyph = int("0x" + sourceFontList[sourceFontCounter], 16)
+                copiedToSlot = sourceFontList[sourceFontCounter]
+                sourceFontCounter += 1
+
+            if int(copiedToSlot, 16) < 0:
+                print("Found invalid glyph slot number. Skipping.")
+                continue
+
+            if self.args.quiet is False:
+                if self.args.progressbars:
+                    update_progress(round(float(index + 1) / glyphSetLength, 2))
+                else:
+                    progressText = "\nUpdating glyph: " + str(sym_glyph) + " " + str(sym_glyph.glyphname) + " putting at: " + copiedToSlot
+                    sys.stdout.write(progressText)
+                    sys.stdout.flush()
+
+            # Prepare symbol glyph dimensions
+            sym_dim = get_glyph_dimensions(sym_glyph)
+
+            # check if a glyph already exists in this location
+            if careful or 'careful' in sym_attr['params']:
+                if copiedToSlot.startswith("uni"):
+                    copiedToSlot = copiedToSlot[3:]
+                codepoint = int("0x" + copiedToSlot, 16)
+                if codepoint in self.sourceFont:
+                    if self.args.quiet is False:
+                        print("  Found existing Glyph at {}. Skipping...".format(copiedToSlot))
+
+                    # We don't want to touch anything so move to next Glyph
+                    continue
+
+            # Select and copy symbol from its encoding point
+            # We need to do this select after the careful check, this way we don't
+            # reset our selection before starting the next loop
+            symbolFont.selection.select(sym_glyph.encoding)
+            symbolFont.copy()
+
+            # Paste it
+            self.sourceFont.selection.select(currentSourceFontGlyph)
+            self.sourceFont.paste()
+            self.sourceFont[currentSourceFontGlyph].glyphname = sym_glyph.glyphname
+            scale_ratio_x = 1
+            scale_ratio_y = 1
+
+            # Now that we have copy/pasted the glyph, if we are creating a monospace
+            # font we need to scale and move the glyphs.  It is possible to have
+            # empty glyphs, so we need to skip those.
+            if self.args.single and sym_dim['width'] and sym_dim['height']:
+                # If we want to preserve that aspect ratio of the glyphs we need to
+                # find the largest possible scaling factor that will allow the glyph
+                # to fit in both the x and y directions
+                if sym_attr['stretch'] == 'pa':
+                    if scale_factor and use_scale_glyph(sym_glyph.unicode, scaleGlyph['GlyphsToScale']):
+                        # We want to preserve the relative size of each glyph to other glyphs
+                        # in the same symbol font.
+                        scale_ratio_x = scale_factor
+                        scale_ratio_y = scale_factor
+                    else:
+                        # In this case, each glyph is sized independently to each other
+                        scale_ratio_x = self.get_scale_factor(sym_dim)
+                        scale_ratio_y = scale_ratio_x
+                else:
+                    if 'x' in sym_attr['stretch']:
+                        # Stretch the glyph horizontally to fit the entire available width
+                        scale_ratio_x = self.font_dim['width'] / sym_dim['width']
+            # end if single width
+
+            # non-monospace (double width glyphs)
+            # elif sym_dim['width'] and sym_dim['height']:
+                    # any special logic we want to apply for double-width variation
+                    # would go here
+
+            if 'y' in sym_attr['stretch']:
+                # Stretch the glyph vertically to total line height (good for powerline separators)
+                # Currently stretching vertically for both monospace and double-width
+                scale_ratio_y = self.font_dim['height'] / sym_dim['height']
+
+            if scale_ratio_x != 1 or scale_ratio_y != 1:
+                if 'overlap' in sym_attr['params']:
+                    scale_ratio_x *= 1 + sym_attr['params']['overlap']
+                    scale_ratio_y *= 1 + sym_attr['params']['overlap']
+                self.sourceFont.transform(psMat.scale(scale_ratio_x, scale_ratio_y))
+
+            # Use the dimensions from the newly pasted and stretched glyph
+            sym_dim = get_glyph_dimensions(self.sourceFont[currentSourceFontGlyph])
+            y_align_distance = 0
+            if sym_attr['valign'] == 'c':
+                # Center the symbol vertically by matching the center of the line height and center of symbol
+                sym_ycenter = sym_dim['ymax'] - (sym_dim['height'] / 2)
+                font_ycenter = self.font_dim['ymax'] - (self.font_dim['height'] / 2)
+                y_align_distance = font_ycenter - sym_ycenter
+
+            # Handle glyph l/r/c alignment
+            x_align_distance = 0
+            if sym_attr['align']:
+                # First find the baseline x-alignment (left alignment amount)
+                x_align_distance = self.font_dim['xmin'] - sym_dim['xmin']
+                if sym_attr['align'] == 'c':
+                    # Center align
+                    x_align_distance += (self.font_dim['width'] / 2) - (sym_dim['width'] / 2)
+                elif sym_attr['align'] == 'r':
+                    # Right align
+                    x_align_distance += self.font_dim['width'] - sym_dim['width']
+
+            if 'overlap' in sym_attr['params']:
+                overlap_width = self.font_dim['width'] * sym_attr['params']['overlap']
+                if sym_attr['align'] == 'l':
+                    x_align_distance -= overlap_width
+                if sym_attr['align'] == 'r':
+                    x_align_distance += overlap_width
+
+            align_matrix = psMat.translate(x_align_distance, y_align_distance)
+            self.sourceFont.transform(align_matrix)
+
+            # Needed for setting 'advance width' on each glyph so they do not overlap,
+            # also ensures the font is considered monospaced on Windows by setting the
+            # same width for all character glyphs. This needs to be done for all glyphs,
+            # even the ones that are empty and didn't go through the scaling operations.
+            self.set_glyph_width_mono(self.sourceFont[currentSourceFontGlyph])
+
+            # Ensure after horizontal adjustments and centering that the glyph
+            # does not overlap the bearings (edges)
+            self.remove_glyph_neg_bearings(self.sourceFont[currentSourceFontGlyph])
+
+            # reset selection so iteration works properly @TODO fix? rookie misunderstanding?
+            # This is likely needed because the selection was changed when the glyph was copy/pasted
+            if symbolFontStart == 0:
+                symbolFont.selection.all()
+            else:
+                symbolFont.selection.select((str("ranges"), str("unicode")), symbolFontStart, symbolFontEnd)
+        # end for
+
+        if self.args.quiet is False or self.args.progressbars:
+            sys.stdout.write("\n")
+
+
+    def set_sourcefont_glyph_widths(self):
+        """ Makes self.sourceFont monospace compliant """
+
+        for glyph in self.sourceFont.glyphs():
+            if (glyph.width == self.font_dim['width']):
+                # Don't touch the (negative) bearings if the width is ok
+                # Ligartures will have these.
+                continue
+
+            if (glyph.width != 0):
+                # If the width is zero this glyph is intened to be printed on top of another one.
+                # In this case we need to keep the negative bearings to shift it 'left'.
+                # Things like &Auml; have these: composed of U+0041 'A' and U+0308 'double dot above'
+                #
+                # If width is not zero, correct the bearings such that they are within the width:
+                self.remove_glyph_neg_bearings(glyph)
+
+            self.set_glyph_width_mono(glyph)
+
+
+    def remove_glyph_neg_bearings(self, glyph):
+        """ Sets passed glyph's bearings 0 if they are negative. """
+        try:
+            if glyph.left_side_bearing < 0:
+                glyph.left_side_bearing = 0
+            if glyph.right_side_bearing < 0:
+                glyph.right_side_bearing = 0
+        except:
+            pass
+
+
+    def set_glyph_width_mono(self, glyph):
+        """ Sets passed glyph.width to self.font_dim.width.
+
+        self.font_dim.width is set with self.get_sourcefont_dimensions().
+        """
+        try:
+            glyph.width = self.font_dim['width']
+        except:
+            pass
+
+
+def replace_font_name(font_name, replacement_dict):
+    """ Replaces all keys with vals from replacement_dict in font_name. """
+    for key, val in replacement_dict.items():
+        font_name = font_name.replace(key, val)
+    return font_name
+
+
+def make_sure_path_exists(path):
+    """ Verifies path passed to it exists. """
+    try:
+        os.makedirs(path)
+    except OSError as exception:
+        if exception.errno != errno.EEXIST:
+            raise
+
+
+def get_glyph_dimensions(glyph):
+    """ Returns dict of the dimesions of the glyph passed to it. """
+    bbox = glyph.boundingBox()
+    return {
+        'xmin'  : bbox[0],
+        'ymin'  : bbox[1],
+        'xmax'  : bbox[2],
+        'ymax'  : bbox[3],
+        'width' : bbox[2] + (-bbox[0]),
+        'height': bbox[3] + (-bbox[1]),
+    }
+
+
+def use_scale_glyph(unicode_value, glyph_list):
+    """ Determines whether or not to use scaled glyphs for glyphs in passed glyph_list """
+    for i in glyph_list:
+        if isinstance(i, tuple):
+            if unicode_value >= i[0] and unicode_value <= i[1]:
+                return True
+        else:
+            if unicode_value == i:
+                return True
+    return False
+
+
+def update_progress(progress):
+    """ Updates progress bar length.
+
+    Accepts a float between 0.0 and 1.0. Any int will be converted to a float.
+    A value at 1 or bigger represents 100%
+    modified from: https://stackoverflow.com/questions/3160699/python-progress-bar
+    """
+    barLength = 40  # Modify this to change the length of the progress bar
+    if isinstance(progress, int):
+        progress = float(progress)
+    if progress >= 1:
+        progress = 1
+        status = "Done...\r\n"  # NOTE: status initialized and never used
+    block = int(round(barLength * progress))
+    text = "\r╢{0}╟ {1}%".format("█" * block + "░" * (barLength - block), int(progress * 100))
+    sys.stdout.write(text)
+    sys.stdout.flush()
+
+
+def check_fontforge_min_version():
+    """ Verifies installed FontForge version meets minimum requirement. """
+    minimumVersion = 20141231
+    actualVersion = int(fontforge.version())
+
+    # un-comment following line for testing invalid version error handling
+    # actualVersion = 20120731
+
+    # versions tested: 20150612, 20150824
+    if actualVersion < minimumVersion:
+        sys.stderr.write("{}: You seem to be using an unsupported (old) version of fontforge: {}\n".format(projectName, actualVersion))
+        sys.stderr.write("{}: Please use at least version: {}\n".format(projectName, minimumVersion))
+        sys.exit(1)
+
+
+def main():
+    check_fontforge_min_version()
+    patcher = font_patcher()
+    patcher.patch()
+
+
+if __name__ == "__main__":
+    __dir__ = os.path.dirname(os.path.abspath(__file__))
+    main()

src/glyphs/NerdFontsSymbols 1000 EM Nerd Font Complete Blank.sfd

@@ -0,0 +1,59 @@
+SplineFontDB: 3.0
+FontName: Symbols-1000-em
+FullName: Symbols-1000-em
+FamilyName: Symbols
+Weight: Regular
+Copyright: Copyright (c) 2016, Ryan McIntyre
+Version: 001.000
+ItalicAngle: 0
+UnderlinePosition: -100
+UnderlineWidth: 50
+Ascent: 800
+Descent: 200
+InvalidEm: 0
+LayerCount: 2
+Layer: 0 0 "Back" 1
+Layer: 1 0 "Fore" 0
+XUID: [1021 913 -638292798 6571593]
+FSType: 0
+OS2Version: 0
+OS2_WeightWidthSlopeOnly: 0
+OS2_UseTypoMetrics: 1
+CreationTime: 1480466430
+ModificationTime: 1480467813
+PfmFamily: 17
+TTFWeight: 400
+TTFWidth: 5
+LineGap: 90
+VLineGap: 0
+OS2TypoAscent: 0
+OS2TypoAOffset: 1
+OS2TypoDescent: 0
+OS2TypoDOffset: 1
+OS2TypoLinegap: 90
+OS2WinAscent: 0
+OS2WinAOffset: 1
+OS2WinDescent: 0
+OS2WinDOffset: 1
+HheadAscent: 0
+HheadAOffset: 1
+HheadDescent: 0
+HheadDOffset: 1
+OS2Vendor: 'PfEd'
+MarkAttachClasses: 1
+DEI: 91125
+LangName: 1033
+Encoding: UnicodeFull
+UnicodeInterp: none
+NameList: AGL For New Fonts
+DisplaySize: -72
+AntiAlias: 1
+FitToEm: 0
+WinInfo: 64 8 8
+OnlyBitmaps: 1
+BeginPrivate: 0
+EndPrivate
+TeXData: 1 0 0 346030 173015 115343 0 1048576 115343 783286 444596 497025 792723 393216 433062 380633 303038 157286 324010 404750 52429 2506097 1059062 262144
+BeginChars: 1114112 0
+EndChars
+EndSplineFont

src/glyphs/NerdFontsSymbols 2048 EM Nerd Font Complete Blank.sfd

@@ -0,0 +1,59 @@
+SplineFontDB: 3.0
+FontName: Symbols-2048-em
+FullName: Symbols-2048-em
+FamilyName: Symbols
+Weight: Regular
+Copyright: Copyright (c) 2016, Ryan McIntyre
+Version: 001.000
+ItalicAngle: 0
+UnderlinePosition: -204
+UnderlineWidth: 102
+Ascent: 1638
+Descent: 410
+InvalidEm: 0
+LayerCount: 2
+Layer: 0 0 "Back" 1
+Layer: 1 0 "Fore" 0
+XUID: [1021 913 -638292798 6571593]
+FSType: 0
+OS2Version: 0
+OS2_WeightWidthSlopeOnly: 0
+OS2_UseTypoMetrics: 1
+CreationTime: 1480466430
+ModificationTime: 1480467841
+PfmFamily: 17
+TTFWeight: 400
+TTFWidth: 5
+LineGap: 184
+VLineGap: 0
+OS2TypoAscent: 0
+OS2TypoAOffset: 1
+OS2TypoDescent: 0
+OS2TypoDOffset: 1
+OS2TypoLinegap: 184
+OS2WinAscent: 0
+OS2WinAOffset: 1
+OS2WinDescent: 0
+OS2WinDOffset: 1
+HheadAscent: 0
+HheadAOffset: 1
+HheadDescent: 0
+HheadDOffset: 1
+OS2Vendor: 'PfEd'
+MarkAttachClasses: 1
+DEI: 91125
+LangName: 1033
+Encoding: UnicodeFull
+UnicodeInterp: none
+NameList: AGL For New Fonts
+DisplaySize: -72
+AntiAlias: 1
+FitToEm: 0
+WinInfo: 64 8 8
+OnlyBitmaps: 1
+BeginPrivate: 0
+EndPrivate
+TeXData: 1 0 0 346030 173015 115343 0 1048576 115343 783286 444596 497025 792723 393216 433062 380633 303038 157286 324010 404750 52429 2506097 1059062 262144
+BeginChars: 1114112 0
+EndChars
+EndSplineFont