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| 1 | +from __future__ import (absolute_import, division, print_function, |
| 2 | + unicode_literals) |
| 3 | + |
| 4 | +import six |
| 5 | + |
| 6 | +from nose.tools import assert_equal, assert_in |
| 7 | +import matplotlib.type1font as t1f |
| 8 | +import os.path |
| 9 | +import difflib |
| 10 | +import hashlib |
| 11 | + |
| 12 | +def sha1(data): |
| 13 | + hash = hashlib.sha1() |
| 14 | + hash.update(data) |
| 15 | + return hash.hexdigest() |
| 16 | + |
| 17 | +def test_Type1Font(): |
| 18 | + filename = os.path.join(os.path.dirname(__file__), 'cmr10.pfb') |
| 19 | + font = t1f.Type1Font(filename) |
| 20 | + slanted = font.transform({'slant': 1}) |
| 21 | + condensed = font.transform({'extend': 0.5}) |
| 22 | + assert_equal(map(sha1, font.parts), |
| 23 | + ['f4ce890d648e67d413a91b3109fe67a732ced96f', |
| 24 | + 'af46adb6c528956580c125c6abf3b5eb9983bbc1', |
| 25 | + 'e2538a88a810bc207cfa1194b658ee8967042db8']) |
| 26 | + assert_equal(font.parts[1:], slanted.parts[1:]) |
| 27 | + assert_equal(font.parts[1:], condensed.parts[1:]) |
| 28 | + |
| 29 | + differ = difflib.Differ() |
| 30 | + diff = set(differ.compare(font.parts[0].splitlines(), |
| 31 | + slanted.parts[0].splitlines())) |
| 32 | + for line in ( |
| 33 | + # Removes UniqueID |
| 34 | + '- FontDirectory/CMR10 known{/CMR10 findfont dup/UniqueID known{dup', |
| 35 | + '+ FontDirectory/CMR10 known{/CMR10 findfont dup', |
| 36 | + # Alters FontMatrix |
| 37 | + '- /FontMatrix [0.001 0 0 0.001 0 0 ]readonly def', |
| 38 | + '+ /FontMatrix [0.001 0.0 0.001 0.001 0.0 0.0]readonly def', |
| 39 | + # Alters ItalicAngle |
| 40 | + '- /ItalicAngle 0 def', |
| 41 | + '+ /ItalicAngle -45.0 def'): |
| 42 | + assert_in(line, diff, 'diff to slanted font must contain %s' % line) |
| 43 | + |
| 44 | + diff = set(differ.compare(font.parts[0].splitlines(), |
| 45 | + condensed.parts[0].splitlines())) |
| 46 | + for line in ( |
| 47 | + # Removes UniqueID |
| 48 | + '- FontDirectory/CMR10 known{/CMR10 findfont dup/UniqueID known{dup', |
| 49 | + '+ FontDirectory/CMR10 known{/CMR10 findfont dup', |
| 50 | + # Alters FontMatrix |
| 51 | + '- /FontMatrix [0.001 0 0 0.001 0 0 ]readonly def', |
| 52 | + '+ /FontMatrix [0.0005 0.0 0.0 0.001 0.0 0.0]readonly def'): |
| 53 | + assert_in(line, diff, 'diff to condensed font must contain %s' % line) |
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