Created
May 11, 2019 18:40
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""" Draw pitch accent patterns in SVG | |
Example: | |
python3 draw_pitch.py はな 010 > 花.html | |
firefox 花.html | |
""" | |
import sys | |
def circle(x, y, o=False): | |
r = ('<circle r="5" cx="{}" cy="{}" style="opacity:1;fill:#000;" />' | |
).format(x, y) | |
if o: | |
r += ('<circle r="3.25" cx="{}" cy="{}" style="opacity:1;fill:#fff;"' | |
'/>').format(x, y) | |
return r | |
def text(x, text): | |
# letter positioning tested with Noto Sans CJK JP | |
return ('<text x="{}" y="67.5" style="font-size:20px;font-family:sans-seri' | |
'f;fill:#000000;">{}</text>').format(x, text) | |
def path(x, y, typ): | |
if typ == 's': # straight | |
delta = '29,0' | |
elif typ == 'u': # up | |
delta = '29,-25' | |
elif typ == 'd': # down | |
delta = '29,25' | |
return ('<path d="m {},{} {}" style="fill:none;stroke:#000000;stroke-width' | |
':1.5;" />').format(x, y, delta) | |
if len(sys.argv) != 3: | |
print('usage: python3 draw_pitch.py <word> <patt>') | |
sys.exit() | |
word = sys.argv[1] | |
patt = sys.argv[2] | |
if len(patt) - len(word) != 1: | |
print('pattern must be length of word + 1') | |
sys.exit() | |
svg_width = (len(word) * 29) + 19 | |
svg = ('<svg class="pitch" width="{0}px" height="80px" viewBox="0 0 {0} 80">' | |
).format(svg_width) | |
circles = '' | |
paths = '' | |
for pos, accent in enumerate(patt): | |
x_center = 9.5 + (pos * 29) | |
if accent in ['h', '1', '2']: | |
y_center = 5 | |
elif accent in ['l', '0']: | |
y_center = 30 | |
if pos < len(word): | |
char = word[pos] | |
svg += text(x_center-11, char) | |
circles += circle(x_center, y_center, pos==len(word)) | |
if pos > 0: | |
if prev_center[1] == y_center: | |
path_typ = 's' | |
elif prev_center[1] < y_center: | |
path_typ = 'd' | |
elif prev_center[1] > y_center: | |
path_typ = 'u' | |
paths += path(prev_center[0], prev_center[1], path_typ) | |
prev_center = (x_center, y_center) | |
svg += paths | |
svg += circles | |
svg += '</svg>' | |
print(svg) |
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