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ryanoasisryanoasis
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Merge branch 'fixed-mono-fonts-single-width-glyphs-support'
Conflicts: readme.md
2 parents 4257287 + 54d6559 commit 6c6ef8e

19 files changed

+710
-245
lines changed

‎font-patcher‎

Lines changed: 206 additions & 41 deletions
Original file line numberDiff line numberDiff line change
@@ -4,6 +4,7 @@ import sys
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import psMat
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import re
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import os.path
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import argparse
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try:
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#Load the module
@@ -13,60 +14,225 @@ except ImportError:
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sys.stderr.write("FontForge module could not be loaded. Try installing fontforge python bindings\n")
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sys.exit(1)
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# argparse stuff
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parser = argparse.ArgumentParser(description='Patches a given font with programming and web development related glyphs (mainly for vim-webdevicons)')
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parser.add_argument('font', help='The path to the font to be patched (e.g. Inconsolata.otf)')
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parser.add_argument('-s', '--use-single-width-glyphs', dest='single', action='store_true', help='Whether to generate the glyphs as single-width not double-width (default is double-width)', default=False)
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parser.add_argument('-q', '--quiet', '--shutup', dest='quiet', action='store_true', help='Do not generate verbose output', default=False)
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args = parser.parse_args()
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print "using fontforge package version: " + str(fontforge.__version__)
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18-
sourceFont = fontforge.open(sys.argv[1])
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additionalFontNameSuffix = " Plus Nerd File Types"
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if args.single:
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additionalFontNameSuffix += " Mono"
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sourceFont = fontforge.open(args.font)
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# rename font
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fontname, style = re.match("^([^-]*)(?:(-.*))?$", sourceFont.fontname).groups()
22-
sourceFont.familyname = sourceFont.familyname + " Plus Nerd File Types"
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sourceFont.fullname = sourceFont.fullname + " Plus Nerd File Types"
24-
sourceFont.fontname = fontname + 'PlusNerdFileTypes'
37+
sourceFont.familyname = sourceFont.familyname + additionalFontNameSuffix
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sourceFont.fullname = sourceFont.fullname + additionalFontNameSuffix
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sourceFont.fontname = fontname + additionalFontNameSuffix.replace(" ", "")
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sourceFont.appendSFNTName('English (US)', 'Preferred Family', sourceFont.familyname)
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sourceFont.appendSFNTName('English (US)', 'Compatible Full', sourceFont.fullname)
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# glyph font
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sourceFont_em_original = sourceFont.em
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32-
# glyph fonts
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#Open a font
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glyphFont1=fontforge.open("glyph-source-fonts/original-source.otf")
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## @todo improve/fix
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sourceFont.em = glyphFont1.em
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#select unicodes:
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glyphFont1.selection.select(("ranges","unicode"),0xE500,0xE51D)
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#Copy those glyphs into the clipboard:
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glyphFont1.copy()
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#select unicodes:
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sourceFont.selection.select(("ranges","unicode"),0xE600,0xE61D)
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#paste the glyphs above in:
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sourceFont.paste()
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# fix scaling of glyphs
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sourceFont.em = sourceFont_em_original
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51-
### even more glyphs
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##Open a font
54-
glyphFont2=fontforge.open("glyph-source-fonts/devicons.ttf")
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## @todo improve/fix
56-
sourceFont.em = glyphFont2.em
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##select unicodes:
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glyphFont2.selection.select(("ranges","unicode"),0xE600,0xE6A4)
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##Copy those glyphs into the clipboard
60-
glyphFont2.copy()
61-
#
47+
symbols = fontforge.open("glyph-source-fonts/original-source.otf")
48+
symbols2 = fontforge.open("glyph-source-fonts/devicons.ttf")
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50+
symbolsRangeStart = 0xE500
51+
symbolsRangeEnd = 0xE521
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53+
symbols2RangeStart = 0xE600
54+
symbols2RangeEnd = 0xE6A4
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56+
sourceFontRange1Start = 0xE600
57+
sourceFontRange1End = 0xE621
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59+
sourceFontRange2Start = 0xE700
60+
sourceFontRange2End = 0xE7A4
61+
62+
SYM_ATTR = {
63+
# Right/left-aligned glyphs will have their advance width reduced in order to overlap the next glyph slightly
64+
0x2b60: { 'align': 'c', 'stretch': 'y' , 'overlap': False },
65+
0x2b61: { 'align': 'c', 'stretch': '' , 'overlap': False },
66+
0x2b62: { 'align': 'r', 'stretch': '' , 'overlap': False },
67+
0x2b63: { 'align': 'l', 'stretch': '' , 'overlap': False },
68+
0x2b64: { 'align': 'c', 'stretch': '' , 'overlap': False },
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0x2b80: { 'align': 'l', 'stretch': 'xy', 'overlap': True },
70+
0x2b81: { 'align': 'l', 'stretch': 'xy', 'overlap': True },
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0x2b82: { 'align': 'r', 'stretch': 'xy', 'overlap': True },
72+
0x2b83: { 'align': 'r', 'stretch': 'xy', 'overlap': True },
73+
}
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# Force the em size to be equal
77+
symbols.em = sourceFont.em
78+
symbols2.em = sourceFont.em
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80+
# Initial font dimensions
81+
font_dim = {
82+
'xmin' : 0,
83+
'ymin' : -sourceFont.descent,
84+
'xmax' : 0,
85+
'ymax' : sourceFont.ascent,
86+
87+
'width' : 0,
88+
'height': 0,
89+
}
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# Find the biggest char width and height
6292
#
63-
## #select unicodes
64-
sourceFont.selection.select(("ranges","unicode"),0xE700,0xE7A4)
65-
##paste the glyphs above in:
66-
sourceFont.paste()
93+
# 0x00-0x17f is the Latin Extended-A range
94+
# 0x2500-0x2600 is the box drawing range
95+
for glyph in range(0x00, 0x17f) + range(0x2500, 0x2600):
96+
try:
97+
(xmin, ymin, xmax, ymax) = sourceFont[glyph].boundingBox()
98+
except TypeError:
99+
continue
100+
101+
if font_dim['width'] == 0:
102+
font_dim['width'] = sourceFont[glyph].width
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104+
if ymin < font_dim['ymin']: font_dim['ymin'] = ymin
105+
if ymax > font_dim['ymax']: font_dim['ymax'] = ymax
106+
if xmax > font_dim['xmax']: font_dim['xmax'] = xmax
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108+
# Calculate font height
109+
font_dim['height'] = abs(font_dim['ymin']) + font_dim['ymax']
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111+
# Update the font encoding to ensure that the Unicode glyphs are available
112+
sourceFont.encoding = 'ISO10646'
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# Fetch this property before adding outlines
115+
onlybitmaps = sourceFont.onlybitmaps
116+
117+
def get_dim(glyph):
118+
bbox = glyph.boundingBox()
119+
120+
return {
121+
'xmin' : bbox[0],
122+
'ymin' : bbox[1],
123+
'xmax' : bbox[2],
124+
'ymax' : bbox[3],
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126+
'width' : bbox[2] + (-bbox[0]),
127+
'height': bbox[3] + (-bbox[1]),
128+
}
129+
130+
def copy_glyphs(sourceFont, sourceFontStart, sourceFontEnd, symbolFont, symbolFontStart, symbolFontEnd):
131+
132+
sourceFontList = []
133+
sourceFontCounter = 0
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135+
for i in xrange(sourceFontStart, sourceFontEnd + 1):
136+
sourceFontList.append(format(i, 'X'))
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138+
# Create glyphs from symbol font
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140+
symbolFont.selection.select(("ranges","unicode"),symbolFontStart,symbolFontEnd)
141+
sourceFont.selection.select(("ranges","unicode"),sourceFontStart,sourceFontEnd)
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143+
for sym_glyph in symbolFont.selection.byGlyphs:
144+
#sym_attr = SYM_ATTR[sym_glyph.unicode]
145+
if args.quiet == False:
146+
print "updating glyph: " + str(sym_glyph)
147+
# convince that this string really is a hex:
148+
currentSourceFontGlyph = int("0x" + sourceFontList[sourceFontCounter], 16)
149+
150+
# Prepare symbol glyph dimensions
151+
sym_dim = get_dim(sym_glyph)
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153+
# Select and copy symbol from its encoding point
154+
symbolFont.selection.select(sym_glyph.encoding)
155+
symbolFont.copy()
156+
157+
# Select and paste symbol to its unicode code point
158+
sourceFont.selection.select(currentSourceFontGlyph)
159+
sourceFont.paste()
160+
161+
if args.single:
162+
# Now that we have copy/pasted the glyph, it's time to scale and move it
163+
164+
# Handle glyph stretching
165+
#if 'x' in sym_attr['stretch']:
166+
# # Stretch the glyph horizontally
167+
# scale_ratio = font_dim['width'] / sym_dim['width']
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169+
# sourceFont.transform(psMat.scale(scale_ratio, 1))
170+
#if 'y' in sym_attr['stretch']:
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# # Stretch the glyph vertically
172+
# scale_ratio = font_dim['height'] / sym_dim['height']
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174+
# sourceFont.transform(psMat.scale(1, scale_ratio))
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# Use the dimensions from the pasted and stretched glyph
177+
sym_dim = get_dim(sourceFont[currentSourceFontGlyph])
178+
179+
# Center-align the glyph vertically
180+
font_ycenter = font_dim['height'] / 2
181+
sym_ycenter = sym_dim['height'] / 2
182+
183+
# First move it to the ymax (top)
184+
sourceFont.transform(psMat.translate(0, font_dim['ymax'] - sym_dim['ymax']))
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186+
# Then move it the y center difference
187+
sourceFont.transform(psMat.translate(0, sym_ycenter - font_ycenter))
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189+
# Ensure that the glyph doesn't extend outside the font's bounding box
190+
if sym_dim['width'] > font_dim['width']:
191+
# The glyph is too wide, scale it down to fit
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scale_matrix = psMat.scale(font_dim['width'] / sym_dim['width'], 1)
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194+
sourceFont.transform(scale_matrix)
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196+
# Use the dimensions from the stretched glyph
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sym_dim = get_dim(sourceFont[currentSourceFontGlyph])
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199+
# Handle glyph alignment
200+
#if sym_attr['align'] == 'c':
201+
# # Center align
202+
# align_matrix = psMat.translate(font_dim['width'] / 2 - sym_dim['width'] / 2 , 0)
203+
align_matrix = psMat.translate(font_dim['width'] / 2 - sym_dim['width'] / 2 , 0)
204+
#elif sym_attr['align'] == 'r':
205+
# # Right align
206+
# align_matrix = psMat.translate(font_dim['width'] - sym_dim['width'], 0)
207+
#else:
208+
# No alignment (left alignment)
209+
#align_matrix = psMat.translate(0, 0)
210+
211+
sourceFont.transform(align_matrix)
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213+
#if sym_attr['overlap'] is True:
214+
# overlap_width = sourceFont.em / 48
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216+
# # Stretch the glyph slightly horizontally if it should overlap
217+
# sourceFont.transform(psMat.scale((sym_dim['width'] + overlap_width) / sym_dim['width'], 1))
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# if sym_attr['align'] == 'l':
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# # The glyph should be left-aligned, so it must be moved overlap_width to the left
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# # This only applies to left-aligned glyphs because the glyph is scaled to the right
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# sourceFont.transform(psMat.translate(-overlap_width, 0))
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224+
# Ensure the font is considered monospaced on Windows
225+
sourceFont[currentSourceFontGlyph].width = font_dim['width']
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227+
sourceFontCounter += 1
228+
# reset selection so iteration works propertly @todo fix? rookie misunderstanding?
229+
symbolFont.selection.select(("ranges","unicode"),symbolFontStart,symbolFontEnd)
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# end for
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return
232+
67233

68-
# fix scaling of glyphs
69-
sourceFont.em = sourceFont_em_original
234+
copy_glyphs(sourceFont, sourceFontRange1Start, sourceFontRange1End, symbols, symbolsRangeStart, symbolsRangeEnd)
235+
copy_glyphs(sourceFont, sourceFontRange2Start, sourceFontRange2End, symbols2, symbols2RangeStart, symbols2RangeEnd)
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71237
extension = os.path.splitext(sourceFont.path)[1]
72238

@@ -77,5 +243,4 @@ sourceFont.generate(sourceFont.fullname + extension)
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78244
print "Generated"
79245
print sourceFont.fullname
80-
print sourceFont.fontname
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