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textgen: Move common code into a common file.

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Reduce code duplication by refactoring the textgen and smtextgen
scripts.
This commit is contained in:
Simon Howard 2014-09-07 03:56:45 +00:00
parent b6c26942b4
commit 5405104814
3 changed files with 50 additions and 82 deletions
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41
graphics/text/smtextgen
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@ -35,12 +35,9 @@
from glob import glob
import sys
import subprocess
import re
# ImageMagick commands used by this script:
CONVERT_COMMAND = 'convert'
IDENTIFY_COMMAND = 'identify'
from common import *
# Background color for output files.
BACKGROUND_COLOR = '#00ffff'
@ -49,45 +46,11 @@ BACKGROUND_COLOR = '#00ffff'
SPACE_WIDTH = 4
# Height of the font.
FONT_HEIGHT = 7
FONT_HEIGHT = 8
# Regexp to match dimensions/x,y coordinate pair.
DIMENSION_MATCH_RE = re.compile(r'(\d+)[x,](\d+)')
# Output from 'identify' looks like this:
# fontchars/font033.gif GIF 9x16 9x16+0+0 8-bit sRGB 32c 194B 0.000u 0:00.000
IDENTIFY_OUTPUT_RE = re.compile(r'(\S+)\s(\S+)\s(\d+)x(\d+)\s')
def get_image_dimensions(filename):
proc = subprocess.Popen([IDENTIFY_COMMAND, filename],
stdout=subprocess.PIPE)
proc.wait()
line = proc.stdout.readline().decode('utf-8')
match = IDENTIFY_OUTPUT_RE.match(line)
assert match is not None
return (int(match.group(3)), int(match.group(4)))
def invoke_command(command):
"""Invoke a command, printing the command to stdout.
Args:
command: Command and arguments as a list.
"""
for arg in command:
if arg.startswith('-'):
sys.stdout.write("\\\n ")
if ' ' in arg or '#' in arg:
sys.stdout.write(repr(arg))
else:
sys.stdout.write(arg)
sys.stdout.write(' ')
sys.stdout.write('\n')
return subprocess.call(command)
class Font(object):
def __init__(self):
self.get_font_widths()