Skip to content

Commit 1cf5159

Browse files
arprussarpruss
committed
fontstuff
1 parent d3d57fc commit 1cf5159

File tree

2 files changed

+143
-0
lines changed

2 files changed

+143
-0
lines changed

‎dumpfont.py‎

Lines changed: 131 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,131 @@
1+
from fontTools.ttLib import TTFont
2+
from fontTools.pens.basePen import decomposeQuadraticSegment
3+
from sys import argv
4+
5+
charsToDump = "0123456789:.\u2212"
6+
charsToNarrow = ":."
7+
narrowFraction = 0.8
8+
maximizeDigitBounds = True
9+
equalizeWidths = "0123456789"
10+
fontName = "Roboto-Regular.ttf" if len(argv) < 2 else argv[1]
11+
className = "SansDigitsColon" if len(argv) < 3 else argv[2]
12+
13+
ttf = TTFont(fontName)
14+
glyphs = ttf.getGlyphSet()
15+
map = ttf.getBestCmap()
16+
17+
18+
def multiply(m1,m2):
19+
return tuple( tuple(sum(m1[i][j]*m2[j][k] for j in range(len(m1[0]))) for k in range(len(m2[0]))) for i in range(len(m1)) )
20+
21+
def apply2d(m1,v):
22+
if v is None:
23+
return None
24+
else:
25+
return ( m1[0][0]*v[0] + m1[0][1]*v[1] + m1[0][2], m1[1][0]*v[0] + m1[1][1]*v[1] + m1[1][2] )
26+
27+
class MyPen(object):
28+
def __init__(self, indent="", transformation=[[1,0,0],[0,-1,0],[0,0,1]]):
29+
self.transformation = transformation
30+
self.indent = indent
31+
def shiftList(self, points):
32+
return [apply2d(self.transformation,point) for point in points]
33+
def shift(self, point):
34+
return apply2d(self.transformation,point)
35+
def moveTo(self, point):
36+
print(self.indent+"path.moveTo(%gf,%gf);" % self.shift(point))
37+
# def curveTo(self, *points):
38+
# print(self.indent+"curveTo", self.shift(*points))
39+
def qCurveTo(self, *points):
40+
decomp = decomposeQuadraticSegment(points)
41+
for pair in decomp:
42+
shifted = self.shiftList(pair)
43+
print(self.indent+"path.quadTo(%gf,%gf,%gf,%gf);" % tuple(shifted[0]+shifted[1]))
44+
def lineTo(self, point):
45+
print(self.indent+"path.lineTo(%gf,%gf);" % self.shift(point))
46+
def closePath(self):
47+
print(self.indent+"path.close();")
48+
def endPath(self):
49+
print(self.indent+"// endPath")
50+
def addComponent(self, glyphName, t):
51+
print(self.indent+"// addComponent", glyphName, t)
52+
glyphs[glyphName].draw(MyPen(indent=self.indent,transformation=multiply(self.transformation,[ [t[0],t[2],t[4]],[t[1],t[3],t[5]],[0,0,1] ])))
53+
54+
class PointListPen(object):
55+
def __init__(self, transformation=[[1,0,0],[0,-1,0],[0,0,1]], pointList=[]):
56+
self.transformation = transformation
57+
self.pointList = pointList
58+
def update(self, point):
59+
p = apply2d(self.transformation,point)
60+
self.pointList.append(p)
61+
def moveTo(self, point):
62+
self.update(point)
63+
# def curveTo(self, *points):
64+
# print(self.indent+"curveTo", self.shift(*points))
65+
def qCurveTo(self, *points):
66+
decomp = decomposeQuadraticSegment(points)
67+
for pair in decomp:
68+
self.update(pair[1])
69+
def lineTo(self, point):
70+
self.update(point)
71+
def closePath(self):
72+
pass
73+
def endPath(self):
74+
pass
75+
def addComponent(self, glyphName, t):
76+
glyphs[glyphName].draw(PointListPen(pointList=self.pointList, transformation=multiply(self.transformation,[ [t[0],t[2],t[4]],[t[1],t[3],t[5]],[0,0,1] ])))
77+
78+
plPen = PointListPen()
79+
glyphs["M"].draw(plPen)
80+
glyphs["y"].draw(plPen)
81+
minY = min(p[1] for p in plPen.pointList)
82+
maxY = max(p[1] for p in plPen.pointList)
83+
84+
print("""package omegacentauri.mobi.tiltstopwatch;
85+
86+
import android.graphics.Path;
87+
88+
public class %s extends MiniFont {
89+
public %s() {
90+
super(%s);
91+
}
92+
93+
public void addFontData() {
94+
defineFontSize(%gf);
95+
""" % (className, className, "true" if maximizeDigitBounds else "false", maxY-minY))
96+
97+
def getGlyph(c):
98+
try:
99+
return glyphs[map[ord(c)]]
100+
except:
101+
if c == '\u2212':
102+
return glyphs[map[ord('-')]]
103+
else:
104+
raise KeyError()
105+
106+
for c in charsToDump:
107+
glyph = getGlyph(c)
108+
109+
print(" addCharacter((char)%d,%gf,%gf,new PathMaker() {" % (ord(c),glyph.width,glyph.lsb))
110+
print(" @Override")
111+
print(" public Path makePath() {")
112+
print(" Path path = new Path();")
113+
114+
glyph.draw(MyPen(indent=" ", transformation=[[1,0,0],[0,-1,0],[0,0,1]]))
115+
116+
print(" return path;")
117+
print(" }")
118+
print(" });")
119+
120+
121+
for c in charsToNarrow:
122+
print(" tweakWidth((char)%d,%gf);" % (ord(c),getGlyph(c).width*narrowFraction))
123+
124+
if equalizeWidths:
125+
maxW = max(getGlyph(c).width for c in equalizeWidths)
126+
for c in equalizeWidths:
127+
if getGlyph(c).width != maxW:
128+
print(" tweakWidth((char)%d,%gf);" % (ord(c),maxW))
129+
130+
print(" }")
131+
print("}")

‎dumpfonts.sh‎

Lines changed: 12 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,12 @@
1+
echo Roboto-Regular
2+
python3 dumpfont.py Roboto-Regular.ttf SansDigitsColon > app/src/main/java/omegacentauri/mobi/tiltstopwatch/SansDigitsColon.java
3+
echo Roboto-Medium
4+
python3 dumpfont.py Roboto-Medium.ttf SansMediumDigitsColon > app/src/main/java/omegacentauri/mobi/tiltstopwatch/SansMediumDigitsColon.java
5+
echo Roboto-Bold
6+
python3 dumpfont.py Roboto-Bold.ttf SansBoldDigitsColon > app/src/main/java/omegacentauri/mobi/tiltstopwatch/SansBoldDigitsColon.java
7+
echo Roboto-Black
8+
python3 dumpfont.py Roboto-Black.ttf SansBlackDigitsColon > app/src/main/java/omegacentauri/mobi/tiltstopwatch/SansBlackDigitsColon.java
9+
echo DIN
10+
python3 dumpfont.py "din1451alt G.ttf" DINDigitsColon > app/src/main/java/omegacentauri/mobi/tiltstopwatch/DINDigitsColon.java
11+
#echo RG2014E
12+
#python3 dumpfont.py "RG2014E.ttf" RGDigitsColon > app/src/main/java/omegacentauri/mobi/tiltstopwatch/RGDigitsColon.java

0 commit comments

Comments
 (0)