FattView/fpdf/tests/cover/test_ttfonts.py
# -*- coding: utf-8 -*-
"Basic test of TrueType Unicode font handling"
#PyFPDF-cover-test:res=font/DejaVuSansCondensed.ttf
#PyFPDF-cover-test:res=dejavusanscondensed.cw.dat
import common
from fpdf.ttfonts import TTFontFile
import os, struct
def dotest(outputname, nostamp):
ttf = TTFontFile()
ttffile = os.path.join(common.basepath, "font", "DejaVuSansCondensed.ttf");
ttf.getMetrics(ttffile)
# test basic metrics:
assert round(ttf.descent, 0) == -236
assert round(ttf.capHeight, 0) == 928
assert ttf.flags == 4
assert [round(i, 0) for i in ttf.bbox] == [-918, -415, 1513, 1167]
assert ttf.italicAngle == 0
assert ttf.stemV == 87
assert round(ttf.defaultWidth, 0) == 540
assert round(ttf.underlinePosition, 0) == -63
assert round(ttf.underlineThickness, 0) == 44
# test char widths 8(against binary file generated by tfpdf.php):
data = open(os.path.join(common.basepath, "dejavusanscondensed.cw.dat"),\
"rb").read()
char_widths = struct.unpack(">%dH" % int(len(data) / 2), data)
assert len(ttf.charWidths) == len(char_widths)
diff = []
for i, (x, y) in enumerate(zip(char_widths, ttf.charWidths)):
if x != y: # compare each char width
diff.append(i)
assert not diff
# for checking assertion works ttf.charWidths[1] = 600
assert tuple(ttf.charWidths) == tuple(char_widths)
if __name__ == "__main__":
common.testmain(__file__, dotest)