# -*- coding:utf-8 -*-
import os
import optparse
########################################################################
## Check options
########################################################################
def checkOption(opt):
if opt == None:
parser.print_help()
exit()
skeleton = """
\\documentclass[11pt,a4paper]{report}
\\pagestyle{empty}
\\begin{document}
\\%s{$%s$}
\\end{document}
"""
parser = optparse.OptionParser()
parser.add_option("-t", "--tex", dest="tex", help="tex format", metavar="[TEX]")
parser.add_option("-s", "--size", dest="size", help="Font size (0-9)", default="4", metavar="[SIZE]")
parser.add_option("-o", "--output", dest="out", help="output file name prefix", metavar="[OUT]")
(options, args) = parser.parse_args()
checkOption(options.tex)
checkOption(options.size)
checkOption(options.out)
print "tex : %s" % (options.tex)
print "size : %s" % (options.size)
print "output: %s" % (options.out)
# フォントサイズを決める
if options.size == "0":
fontsize = "tiny"
elif options.size == "1":
fontsize = "scriptsize"
elif options.size == "2":
fontsize = "footnotesize"
elif options.size == "3":
fontsize = "small"
elif options.size == "4":
fontsize = "normalsize"
elif options.size == "5":
fontsize = "large"
elif options.size == "6":
fontsize = "Large"
elif options.size == "7":
fontsize = "LARGE"
elif options.size == "8":
fontsize = "huge"
elif options.size == "9":
fontsize = "Huge"
else:
fontsize = "normalsize"
texdata = skeleton % (fontsize, options.tex)
print texdata
outputBase = options.out
texFilename = outputBase + ".tex"
dviFilename = outputBase + ".dvi"
pngFilename = outputBase + ".png"
fd = open(texFilename, "w")
fd.write(texdata)
fd.close()
os.system("platex %s" % (texFilename))
os.system("dvipng %s -o %s -T tight" % (dviFilename, pngFilename))
print "Remove temporary files"
print " %s, %s, %s, %s" % (texFilename, dviFilename, outputBase + ".log", outputBase + "aux")
os.remove(texFilename)
os.remove(dviFilename)
os.remove(outputBase + ".log")
os.remove(outputBase + ".aux")
実行結果
python tex2png.py -t "y=ax^{2}" -o y_ax2
python tex2png.py -t "y=ax^{2}" -s 1 -o y_ax2_1
python tex2png.py -t "y=ax^{2}" -s 9 -o y_ax2_9
