def get_vstems(font):
ref_glyph = 'l'
ref_y = font.info.xHeight / 2.0
g = font[ref_glyph]
pen = MarginPen(g, ref_y, isHorizontal=True)
g.draw(pen)
# try:
print len(g)
print ref_y
print pen.getMargins.__doc__ #, pen.getMargins()
print pen.getMargins()
left_edge, right_edge = pen.getMargins()
stem = right_edge - left_edge
return [stem]
def getMargins(g, y):
pen = MarginPen(g.getParent(), y, True)
g.draw(pen)
crossings = pen.getMargins()
try:
margins = (round(crossings[0]), g.width - round(crossings[1]))
except:
margins = (None, None)
return margins
def get_stems(font):
ref_glyph = 'i'
ref_y = font.info.xHeight / 2
g = font[ref_glyph]
pen = MarginPen(g, ref_y, isHorizontal=True)
g.draw(pen)
left_edge, right_edge = pen.getMargins()
stem = right_edge - left_edge
return [ stem ]
def getMargins(g, y): pen = MarginPen(g.getParent(), y, True) g.draw(pen) crossings = pen.getMargins() try: margins = (round(crossings[0]), g.width - round(crossings[1])) except: margins = (None, None) return margins
def get_hstems(font):
ref_glyph = 'H'
g = font[ref_glyph]
ref_x = g.width / 2.0
pen = MarginPen(g, ref_x, isHorizontal=False)
g.draw(pen)
# try:
bottom_edge, top_edge = pen.getMargins()
stem = top_edge - bottom_edge
return [stem]
def get_vstems(font, glyphs=['l', 'I']):
ref_y = font.info.xHeight / 2.0
stems = []
for glyph_name in glyphs:
if font.has_key(glyph_name):
g = font[glyph_name]
# get margins
pen = MarginPen(g, ref_y, isHorizontal=True)
g.draw(pen)
# calculate stem from margins
try:
left_edge, right_edge = pen.getMargins()
stem = int(right_edge - left_edge)
stems.append(stem)
except:
pass # glyph is empty
return stems
def get_hstems(font, glyphs=['H']):
stems = []
for glyph_name in glyphs:
if font.has_key(glyph_name):
g = font[glyph_name]
ref_x = g.width / 2.0
# get margins
pen = MarginPen(g, ref_x, isHorizontal=False)
g.draw(pen)
# calculate stem from margins
try:
bottom_edge, top_edge = pen.getMargins()
stem = int(top_edge - bottom_edge)
stems.append(stem)
except:
pass # glyph is empty
return stems
def get_vstems(font, glyphs=['l', 'I']):
ref_y = font.info.xHeight / 2.0
stems = []
for glyph_name in glyphs:
if glyph_name in font:
g = font[glyph_name]
# get margins
pen = MarginPen(g, ref_y, isHorizontal=True)
g.draw(pen)
# calculate stem from margins
try:
left_edge, right_edge = pen.getMargins()
stem = int(right_edge - left_edge)
stems.append(stem)
except:
pass # glyph is empty
return stems
def get_hstems(font, glyphs=['H']):
stems = []
for glyph_name in glyphs:
if glyph_name in font:
g = font[glyph_name]
ref_x = g.width / 2.0
# get margins
pen = MarginPen(g, ref_x, isHorizontal=False)
g.draw(pen)
# calculate stem from margins
try:
bottom_edge, top_edge = pen.getMargins()
stem = int(top_edge - bottom_edge)
stems.append(stem)
except:
pass # glyph is empty
return stems
