642 lines
28 KiB
Python
642 lines
28 KiB
Python
from fontTools.cffLib import maxStackLimit as maxStack
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from fontTools.cffLib.specializer import (
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programToString,
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stringToProgram,
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generalizeProgram,
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specializeProgram,
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programToCommands,
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commandsToProgram,
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generalizeCommands,
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specializeCommands,
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)
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from fontTools.ttLib import TTFont
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import os
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import pytest
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from fontTools.misc.testTools import parseXML, DataFilesHandler
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def charstr_generalize(charstr, **kwargs):
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return programToString(generalizeProgram(stringToProgram(charstr), **kwargs))
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def charstr_specialize(charstr, **kwargs):
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return programToString(specializeProgram(stringToProgram(charstr), **kwargs))
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def charstr_stack_use(charstr, getNumRegions=None):
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program = stringToProgram(charstr)
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vsindex = None
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maxStack = 0
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stack = []
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for token in program:
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if token == vsindex:
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vsindex = stack[-1]
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stack = []
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elif token == "blend":
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numBlends = stack[-1]
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numRegions = getNumRegions(vsindex)
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numOperandsToPop = 1 + numBlends * numRegions
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stack[-numOperandsToPop:] = []
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elif type(token) is str:
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stack = []
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else:
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stack.append(token)
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maxStack = max(maxStack, len(stack))
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return maxStack
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class CFFGeneralizeProgramTest:
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@pytest.mark.parametrize(
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"charstr",
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[
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# no arguments/operands
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("rmoveto"), # test_rmoveto_none
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("hmoveto"), # test_hmoveto_none
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("vmoveto"), # test_vmoveto_none
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("rlineto"), # test_rlineto_none
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("hlineto"), # test_hlineto_none
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("vlineto"), # test_vlineto_none
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("rrcurveto"), # test_rrcurveto_none
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("hhcurveto"), # test_hhcurveto_none
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("vvcurveto"), # test_vvcurveto_none
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("hvcurveto"), # test_hvcurveto_none
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("vhcurveto"), # test_vhcurveto_none
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("rcurveline"), # test_rcurveline_none
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("rlinecurve"), # test_rlinecurve_none
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],
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)
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def test_raises(self, charstr):
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try:
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charstr_generalize(charstr)
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except ValueError:
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return
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raise AssertionError("Expected to raise ValueError, but didn't.", charstr)
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@pytest.mark.parametrize(
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"charstr, expected",
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[
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# rmoveto
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("0 0 rmoveto", None), # test_rmoveto_zero
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("100 0 0 rmoveto", None), # test_rmoveto_zero_width
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(".55 -.8 rmoveto", "0.55 -0.8 rmoveto"), # test_rmoveto
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("100.5 50 -5.8 rmoveto", None), # test_rmoveto_width
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# hmoveto
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("0 hmoveto", "0 0 rmoveto"), # test_hmoveto_zero
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("100 0 hmoveto", "100 0 0 rmoveto"), # test_hmoveto_zero_width
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(".67 hmoveto", "0.67 0 rmoveto"), # test_hmoveto
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("100 -70 hmoveto", "100 -70 0 rmoveto"), # test_hmoveto_width
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# vmoveto
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("0 vmoveto", "0 0 rmoveto"), # test_vmoveto_zero
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("100 0 vmoveto", "100 0 0 rmoveto"), # test_vmoveto_zero_width
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("-.24 vmoveto", "0 -0.24 rmoveto"), # test_vmoveto
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("100 44 vmoveto", "100 0 44 rmoveto"), # test_vmoveto_width
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# rlineto
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("0 0 rlineto", None), # test_rlineto_zero
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( # test_rlineto_zero_mult
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"0 0 0 0 0 0 rlineto",
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"0 0 rlineto " * 3,
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),
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(".55 -.8 rlineto", "0.55 -0.8 rlineto"), # test_rlineto
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( # test_rlineto_mult
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".55 -.8 .55 -.8 .55 -.8 rlineto",
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"0.55 -0.8 rlineto " * 3,
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),
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# hlineto
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("0 hlineto", "0 0 rlineto"), # test_hlineto_zero
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( # test_hlineto_zero_mult
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"0 0 0 0 hlineto",
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"0 0 rlineto " * 4,
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),
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(".67 hlineto", "0.67 0 rlineto"), # test_hlineto
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( # test_hlineto_mult
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".67 -6.0 .67 hlineto",
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"0.67 0 rlineto 0 -6.0 rlineto 0.67 0 rlineto",
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),
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# vlineto
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("0 vlineto", "0 0 rlineto"), # test_vlineto_zero
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("0 0 0 vlineto", "0 0 rlineto " * 3), # test_vlineto_zero_mult
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("-.24 vlineto", "0 -0.24 rlineto"), # test_vlineto
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( # test_vlineto_mult
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"-.24 +50 30 -4 vlineto",
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"0 -0.24 rlineto 50 0 rlineto 0 30 rlineto -4 0 rlineto",
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),
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# rrcurveto
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("-1 56 -2 57 -1 57 rrcurveto", None), # test_rrcurveto
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( # test_rrcurveto_mult
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"-30 8 -36 15 -37 22 44 54 31 61 22 68 rrcurveto",
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"-30 8 -36 15 -37 22 rrcurveto 44 54 31 61 22 68 rrcurveto",
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),
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("1 2 3 4 5 0 rrcurveto", None), # test_rrcurveto_d3947b8
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( # test_rrcurveto_v0_0h_h0
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"0 10 1 2 0 0 0 0 1 2 0 1 0 1 3 4 0 0 rrcurveto",
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"0 10 1 2 0 0 rrcurveto 0 0 1 2 0 1 rrcurveto 0 1 3 4 0 0 rrcurveto",
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),
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( # test_rrcurveto_h0_0h_h0
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"10 0 1 2 0 0 0 0 1 2 0 1 0 1 3 4 0 0 rrcurveto",
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"10 0 1 2 0 0 rrcurveto 0 0 1 2 0 1 rrcurveto 0 1 3 4 0 0 rrcurveto",
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),
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( # test_rrcurveto_00_0h_h0
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"0 0 1 2 0 0 0 0 1 2 0 1 0 1 3 4 0 0 rrcurveto",
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"0 0 1 2 0 0 rrcurveto 0 0 1 2 0 1 rrcurveto 0 1 3 4 0 0 rrcurveto",
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),
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( # test_rrcurveto_r0_0h_h0
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"10 10 1 2 0 0 0 0 1 2 0 1 0 1 3 4 0 0 rrcurveto",
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"10 10 1 2 0 0 rrcurveto 0 0 1 2 0 1 rrcurveto 0 1 3 4 0 0 rrcurveto",
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),
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( # test_rrcurveto_v0_0v_v0
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"0 10 1 2 0 0 0 0 1 2 1 0 1 0 3 4 0 0 rrcurveto",
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"0 10 1 2 0 0 rrcurveto 0 0 1 2 1 0 rrcurveto 1 0 3 4 0 0 rrcurveto",
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),
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( # test_rrcurveto_h0_0v_v0
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"10 0 1 2 0 0 0 0 1 2 1 0 1 0 3 4 0 0 rrcurveto",
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"10 0 1 2 0 0 rrcurveto 0 0 1 2 1 0 rrcurveto 1 0 3 4 0 0 rrcurveto",
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),
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( # test_rrcurveto_00_0v_v0
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"0 0 1 2 0 0 0 0 1 2 1 0 1 0 3 4 0 0 rrcurveto",
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"0 0 1 2 0 0 rrcurveto 0 0 1 2 1 0 rrcurveto 1 0 3 4 0 0 rrcurveto",
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),
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( # test_rrcurveto_r0_0v_v0
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"10 10 1 2 0 0 0 0 1 2 1 0 1 0 3 4 0 0 rrcurveto",
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"10 10 1 2 0 0 rrcurveto 0 0 1 2 1 0 rrcurveto 1 0 3 4 0 0 rrcurveto",
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),
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# hhcurveto
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("10 30 0 10 hhcurveto", "10 0 30 0 10 0 rrcurveto"), # test_hhcurveto_4
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( # test_hhcurveto_5
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"40 -38 -60 41 -91 hhcurveto",
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"-38 40 -60 41 -91 0 rrcurveto",
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),
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( # test_hhcurveto_mult_4_4
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"43 23 25 18 29 56 42 -84 hhcurveto",
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"43 0 23 25 18 0 rrcurveto 29 0 56 42 -84 0 rrcurveto",
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),
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( # test_hhcurveto_mult_5_4
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"43 23 25 18 29 56 42 -84 79 hhcurveto",
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"23 43 25 18 29 0 rrcurveto 56 0 42 -84 79 0 rrcurveto",
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),
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( # test_hhcurveto_mult_4_4_4
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"1 2 3 4 5 6 7 8 9 10 11 12 hhcurveto",
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"1 0 2 3 4 0 rrcurveto 5 0 6 7 8 0 rrcurveto 9 0 10 11 12 0 rrcurveto",
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),
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( # test_hhcurveto_mult_5_4_4
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"1 2 3 4 5 6 7 8 9 10 11 12 13 hhcurveto",
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"2 1 3 4 5 0 rrcurveto 6 0 7 8 9 0 rrcurveto 10 0 11 12 13 0 rrcurveto",
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),
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# vvcurveto
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("61 6 52 68 vvcurveto", "0 61 6 52 0 68 rrcurveto"), # test_vvcurveto_4
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( # test_vvcurveto_5
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"61 38 35 56 72 vvcurveto",
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"61 38 35 56 0 72 rrcurveto",
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),
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( # test_vvcurveto_mult_4_4
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"-84 -88 -30 -90 -13 19 23 -11 vvcurveto",
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"0 -84 -88 -30 0 -90 rrcurveto 0 -13 19 23 0 -11 rrcurveto",
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),
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( # test_vvcurveto_mult_5_4
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"43 12 17 32 65 68 -6 52 61 vvcurveto",
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"43 12 17 32 0 65 rrcurveto 0 68 -6 52 0 61 rrcurveto",
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),
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( # test_vvcurveto_mult_4_4_4
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"1 2 3 4 5 6 7 8 9 10 11 12 vvcurveto",
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"0 1 2 3 0 4 rrcurveto 0 5 6 7 0 8 rrcurveto 0 9 10 11 0 12 rrcurveto",
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),
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( # test_vvcurveto_mult_5_4_4
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"1 2 3 4 5 6 7 8 9 10 11 12 13 vvcurveto",
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"1 2 3 4 0 5 rrcurveto 0 6 7 8 0 9 rrcurveto 0 10 11 12 0 13 rrcurveto",
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),
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# hvcurveto
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("1 2 3 4 hvcurveto", "1 0 2 3 0 4 rrcurveto"), # test_hvcurveto_4
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( # test_hvcurveto_5
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"57 44 22 40 34 hvcurveto",
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"57 0 44 22 34 40 rrcurveto",
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),
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( # test_hvcurveto_4_4
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"65 33 -19 -45 -45 -29 -25 -71 hvcurveto",
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"65 0 33 -19 0 -45 rrcurveto 0 -45 -29 -25 -71 0 rrcurveto",
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),
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( # test_hvcurveto_4_5
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"97 69 41 86 58 -36 34 -64 11 hvcurveto",
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"97 0 69 41 0 86 rrcurveto 0 58 -36 34 -64 11 rrcurveto",
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),
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( # test_hvcurveto_4_4_4
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"1 2 3 4 5 6 7 8 9 10 11 12 hvcurveto",
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"1 0 2 3 0 4 rrcurveto 0 5 6 7 8 0 rrcurveto 9 0 10 11 0 12 rrcurveto",
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),
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( # test_hvcurveto_4_4_5
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"-124 -79 104 165 163 82 102 124 56 43 -25 -37 35 hvcurveto",
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"-124 0 -79 104 0 165 rrcurveto 0 163 82 102 124 0 rrcurveto 56 0 43 -25 35 -37 rrcurveto",
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),
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( # test_hvcurveto_4_4_4_4
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"32 25 22 32 31 -25 22 -32 -32 -25 -22 -31 -32 25 -22 32 hvcurveto",
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"32 0 25 22 0 32 rrcurveto 0 31 -25 22 -32 0 rrcurveto -32 0 -25 -22 0 -31 rrcurveto 0 -32 25 -22 32 0 rrcurveto",
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),
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( # test_hvcurveto_4_4_4_4_5
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"-170 -128 111 195 234 172 151 178 182 95 -118 -161 -130 -71 -77 -63 -55 -19 38 79 20 hvcurveto",
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"-170 0 -128 111 0 195 rrcurveto 0 234 172 151 178 0 rrcurveto 182 0 95 -118 0 -161 rrcurveto 0 -130 -71 -77 -63 0 rrcurveto -55 0 -19 38 20 79 rrcurveto",
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),
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# vhcurveto
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( # test_vhcurveto_4
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"-57 43 -30 53 vhcurveto",
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"0 -57 43 -30 53 0 rrcurveto",
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),
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( # test_vhcurveto_5
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"41 -27 19 -46 11 vhcurveto",
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"0 41 -27 19 -46 11 rrcurveto",
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),
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( # test_vhcurveto_4_4
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"1 2 3 4 5 6 7 8 vhcurveto",
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"0 1 2 3 4 0 rrcurveto 5 0 6 7 0 8 rrcurveto",
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),
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( # test_vhcurveto_4_5
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"-64 -23 -25 -45 -30 -24 14 33 -19 vhcurveto",
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"0 -64 -23 -25 -45 0 rrcurveto -30 0 -24 14 -19 33 rrcurveto",
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),
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( # test_vhcurveto_4_4_4
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"1 2 3 4 5 6 7 8 9 10 11 12 vhcurveto",
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"0 1 2 3 4 0 rrcurveto 5 0 6 7 0 8 rrcurveto 0 9 10 11 12 0 rrcurveto",
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),
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( # test_vhcurveto_4_4_5
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"108 59 81 98 99 59 -81 -108 -100 -46 -66 -63 -47 vhcurveto",
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"0 108 59 81 98 0 rrcurveto 99 0 59 -81 0 -108 rrcurveto 0 -100 -46 -66 -63 -47 rrcurveto",
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),
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( # test_vhcurveto_4_4_4_5
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"60 -26 37 -43 -33 -28 -22 -36 -37 27 -20 32 3 4 0 1 3 vhcurveto",
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"0 60 -26 37 -43 0 rrcurveto -33 0 -28 -22 0 -36 rrcurveto 0 -37 27 -20 32 0 rrcurveto 3 0 4 0 3 1 rrcurveto",
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),
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# rcurveline
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( # test_rcurveline_6_2
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"21 -76 21 -72 24 -73 31 -100 rcurveline",
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"21 -76 21 -72 24 -73 rrcurveto 31 -100 rlineto",
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),
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( # test_rcurveline_6_6_2
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"-73 80 -80 121 -49 96 60 65 55 41 54 17 -8 78 rcurveline",
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"-73 80 -80 121 -49 96 rrcurveto 60 65 55 41 54 17 rrcurveto -8 78 rlineto",
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),
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( # test_rcurveline_6_6_6_2
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"1 64 10 51 29 39 15 21 15 20 15 18 47 -89 63 -98 52 -59 91 8 rcurveline",
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"1 64 10 51 29 39 rrcurveto 15 21 15 20 15 18 rrcurveto 47 -89 63 -98 52 -59 rrcurveto 91 8 rlineto",
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),
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( # test_rcurveline_6_6_6_6_2
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"1 64 10 51 29 39 15 21 15 20 15 18 46 -88 63 -97 52 -59 -38 -57 -49 -62 -52 -54 96 -8 rcurveline",
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"1 64 10 51 29 39 rrcurveto 15 21 15 20 15 18 rrcurveto 46 -88 63 -97 52 -59 rrcurveto -38 -57 -49 -62 -52 -54 rrcurveto 96 -8 rlineto",
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),
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# rlinecurve
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( # test_rlinecurve_2_6
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"21 -76 21 -72 24 -73 31 -100 rlinecurve",
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"21 -76 rlineto 21 -72 24 -73 31 -100 rrcurveto",
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),
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( # test_rlinecurve_2_2_6
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"-73 80 -80 121 -49 96 60 65 55 41 rlinecurve",
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"-73 80 rlineto -80 121 rlineto -49 96 60 65 55 41 rrcurveto",
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),
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( # test_rlinecurve_2_2_2_6
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"1 64 10 51 29 39 15 21 15 20 15 18 rlinecurve",
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"1 64 rlineto 10 51 rlineto 29 39 rlineto 15 21 15 20 15 18 rrcurveto",
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),
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( # test_rlinecurve_2_2_2_2_6
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"1 64 10 51 29 39 15 21 15 20 15 18 46 -88 rlinecurve",
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"1 64 rlineto 10 51 rlineto 29 39 rlineto 15 21 rlineto 15 20 15 18 46 -88 rrcurveto",
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),
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# hstem/vstem
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( # test_hstem_vstem
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"95 0 58 542 60 hstem 89 65 344 67 vstem 89 45 rmoveto",
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None,
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),
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# hstemhm/vstemhm
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( # test_hstemhm_vstemhm
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"-16 577 60 24 60 hstemhm 98 55 236 55 vstemhm 343 577 rmoveto",
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None,
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),
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# hintmask/cntrmask
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( # test_hintmask_cntrmask
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"52 80 153 61 4 83 -71.5 71.5 hintmask 11011100 94 119 216 119 216 119 cntrmask 1110000 154 -12 rmoveto",
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None,
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),
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# endchar
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("-255 319 rmoveto 266 57 rlineto endchar", None), # test_endchar
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# xtra
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("-255 319 rmoveto 266 57 rlineto xtra 90 34", None), # test_xtra
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],
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)
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def test_generalize(self, charstr, expected):
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if expected is None:
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expected = charstr
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expected = expected.strip()
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generalized = charstr_generalize(charstr)
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assert generalized == expected, (generalized, expected)
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class CFFSpecializeProgramTest:
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@pytest.mark.parametrize(
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"charstr",
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[
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# no arguments/operands
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("rmoveto"), # test_rmoveto_none
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("hmoveto"), # test_hmoveto_none
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("vmoveto"), # test_vmoveto_none
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("rlineto"), # test_rlineto_none
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("hlineto"), # test_hlineto_none
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("vlineto"), # test_vlineto_none
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("rrcurveto"), # test_rrcurveto_none
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("hhcurveto"), # test_hhcurveto_none
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("vvcurveto"), # test_vvcurveto_none
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("hvcurveto"), # test_hvcurveto_none
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("vhcurveto"), # test_vhcurveto_none
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("rcurveline"), # test_rcurveline_none
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("rlinecurve"), # test_rlinecurve_none
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],
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)
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def test_raises(self, charstr):
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try:
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charstr_specialize(charstr)
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except ValueError:
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return
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raise AssertionError("Expected to raise ValueError, but didn't.", charstr)
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@pytest.mark.parametrize(
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"charstr, expected",
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[
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# rmoveto
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("0 0 rmoveto", "0 hmoveto"), # test_rmoveto_zero
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("0 0 rmoveto " * 3, "0 hmoveto"), # test_rmoveto_zero_mult
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("100 0 0 rmoveto", "100 0 hmoveto"), # test_rmoveto_zero_width
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(".55 -.8 rmoveto", "0.55 -0.8 rmoveto"), # test_rmoveto
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("55 -8 rmoveto " * 3, "165 -24 rmoveto"), # test_rmoveto_mult
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("100.5 50 -5.8 rmoveto", None), # test_rmoveto_width
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# rlineto
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("0 0 rlineto", ""), # test_rlineto_zero
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("0 0 rlineto " * 3, ""), # test_rlineto_zero_mult
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(".55 -.8 rlineto", "0.55 -0.8 rlineto"), # test_rlineto
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( # test_rlineto_mult
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".55 -.8 rlineto " * 3,
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"0.55 -0.8 0.55 -0.8 0.55 -0.8 rlineto",
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),
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(".67 0 rlineto", "0.67 hlineto"), # test_hlineto
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("62 0 rlineto " * 3, "186 hlineto"), # test_hlineto_zero_mult
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( # test_hlineto_mult
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".67 0 rlineto 0 -6.0 rlineto .67 0 rlineto",
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"0.67 -6.0 0.67 hlineto",
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),
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("0 -.24 rlineto", "-0.24 vlineto"), # test_vlineto
|
|
("0 -24 rlineto " * 3, "-72 vlineto"), # test_vlineto_zero_mult
|
|
( # test_vlineto_mult
|
|
"0 -.24 rlineto +50 0 rlineto 0 30 rlineto -4 0 rlineto",
|
|
"-0.24 50 30 -4 vlineto",
|
|
),
|
|
("1 2 0 0 3 4 rlineto", "1 2 3 4 rlineto"), # test_0lineto_peephole
|
|
("1 2 5 0 3 4 rlineto", None), # test_hlineto_peephole
|
|
("1 2 0 5 3 4 rlineto", None), # test_vlineto_peephole
|
|
# rrcurveto
|
|
("-1 56 -2 57 -1 57 rrcurveto", None), # test_rrcurveto
|
|
( # test_rrcurveto_mult
|
|
"-30 8 -36 15 -37 22 rrcurveto 44 54 31 61 22 68 rrcurveto",
|
|
"-30 8 -36 15 -37 22 44 54 31 61 22 68 rrcurveto",
|
|
),
|
|
("1 2 3 4 5 0 rrcurveto", "2 1 3 4 5 hhcurveto"), # test_rrcurveto_d3947b8
|
|
("10 0 30 0 10 0 rrcurveto", "10 30 0 10 hhcurveto"), # test_hhcurveto_4
|
|
( # test_hhcurveto_5
|
|
"-38 40 -60 41 -91 0 rrcurveto",
|
|
"40 -38 -60 41 -91 hhcurveto",
|
|
),
|
|
( # test_hhcurveto_mult_4_4
|
|
"43 0 23 25 18 0 rrcurveto 29 0 56 42 -84 0 rrcurveto",
|
|
"43 23 25 18 29 56 42 -84 hhcurveto",
|
|
),
|
|
( # test_hhcurveto_mult_5_4
|
|
"23 43 25 18 29 0 rrcurveto 56 0 42 -84 79 0 rrcurveto",
|
|
"43 23 25 18 29 56 42 -84 79 hhcurveto",
|
|
),
|
|
( # test_hhcurveto_mult_4_4_4
|
|
"1 0 2 3 4 0 rrcurveto 5 0 6 7 8 0 rrcurveto 9 0 10 11 12 0 rrcurveto",
|
|
"1 2 3 4 5 6 7 8 9 10 11 12 hhcurveto",
|
|
),
|
|
( # test_hhcurveto_mult_5_4_4
|
|
"2 1 3 4 5 0 rrcurveto 6 0 7 8 9 0 rrcurveto 10 0 11 12 13 0 rrcurveto",
|
|
"1 2 3 4 5 6 7 8 9 10 11 12 13 hhcurveto",
|
|
),
|
|
("0 61 6 52 0 68 rrcurveto", "61 6 52 68 vvcurveto"), # test_vvcurveto_4
|
|
( # test_vvcurveto_5
|
|
"61 38 35 56 0 72 rrcurveto",
|
|
"61 38 35 56 72 vvcurveto",
|
|
),
|
|
( # test_vvcurveto_mult_4_4
|
|
"0 -84 -88 -30 0 -90 rrcurveto 0 -13 19 23 0 -11 rrcurveto",
|
|
"-84 -88 -30 -90 -13 19 23 -11 vvcurveto",
|
|
),
|
|
( # test_vvcurveto_mult_5_4
|
|
"43 12 17 32 0 65 rrcurveto 0 68 -6 52 0 61 rrcurveto",
|
|
"43 12 17 32 65 68 -6 52 61 vvcurveto",
|
|
),
|
|
( # test_vvcurveto_mult_4_4_4
|
|
"0 1 2 3 0 4 rrcurveto 0 5 6 7 0 8 rrcurveto 0 9 10 11 0 12 rrcurveto",
|
|
"1 2 3 4 5 6 7 8 9 10 11 12 vvcurveto",
|
|
),
|
|
( # test_vvcurveto_mult_5_4_4
|
|
"1 2 3 4 0 5 rrcurveto 0 6 7 8 0 9 rrcurveto 0 10 11 12 0 13 rrcurveto",
|
|
"1 2 3 4 5 6 7 8 9 10 11 12 13 vvcurveto",
|
|
),
|
|
("1 0 2 3 0 4 rrcurveto", "1 2 3 4 hvcurveto"), # test_hvcurveto_4
|
|
( # test_hvcurveto_5
|
|
"57 0 44 22 34 40 rrcurveto",
|
|
"57 44 22 40 34 hvcurveto",
|
|
),
|
|
( # test_hvcurveto_4_4
|
|
"65 0 33 -19 0 -45 rrcurveto 0 -45 -29 -25 -71 0 rrcurveto",
|
|
"65 33 -19 -45 -45 -29 -25 -71 hvcurveto",
|
|
),
|
|
( # test_hvcurveto_4_5
|
|
"97 0 69 41 0 86 rrcurveto 0 58 -36 34 -64 11 rrcurveto",
|
|
"97 69 41 86 58 -36 34 -64 11 hvcurveto",
|
|
),
|
|
( # test_hvcurveto_4_4_4
|
|
"1 0 2 3 0 4 rrcurveto 0 5 6 7 8 0 rrcurveto 9 0 10 11 0 12 rrcurveto",
|
|
"1 2 3 4 5 6 7 8 9 10 11 12 hvcurveto",
|
|
),
|
|
( # test_hvcurveto_4_4_5
|
|
"-124 0 -79 104 0 165 rrcurveto 0 163 82 102 124 0 rrcurveto 56 0 43 -25 35 -37 rrcurveto",
|
|
"-124 -79 104 165 163 82 102 124 56 43 -25 -37 35 hvcurveto",
|
|
),
|
|
( # test_hvcurveto_4_4_4_4
|
|
"32 0 25 22 0 32 rrcurveto 0 31 -25 22 -32 0 rrcurveto -32 0 -25 -22 0 -31 rrcurveto 0 -32 25 -22 32 0 rrcurveto",
|
|
"32 25 22 32 31 -25 22 -32 -32 -25 -22 -31 -32 25 -22 32 hvcurveto",
|
|
),
|
|
( # test_hvcurveto_4_4_4_4_5
|
|
"-170 0 -128 111 0 195 rrcurveto 0 234 172 151 178 0 rrcurveto 182 0 95 -118 0 -161 rrcurveto 0 -130 -71 -77 -63 0 rrcurveto -55 0 -19 38 20 79 rrcurveto",
|
|
"-170 -128 111 195 234 172 151 178 182 95 -118 -161 -130 -71 -77 -63 -55 -19 38 79 20 hvcurveto",
|
|
),
|
|
( # test_vhcurveto_4
|
|
"0 -57 43 -30 53 0 rrcurveto",
|
|
"-57 43 -30 53 vhcurveto",
|
|
),
|
|
( # test_vhcurveto_5
|
|
"0 41 -27 19 -46 11 rrcurveto",
|
|
"41 -27 19 -46 11 vhcurveto",
|
|
),
|
|
( # test_vhcurveto_4_4
|
|
"0 1 2 3 4 0 rrcurveto 5 0 6 7 0 8 rrcurveto",
|
|
"1 2 3 4 5 6 7 8 vhcurveto",
|
|
),
|
|
( # test_vhcurveto_4_5
|
|
"0 -64 -23 -25 -45 0 rrcurveto -30 0 -24 14 -19 33 rrcurveto",
|
|
"-64 -23 -25 -45 -30 -24 14 33 -19 vhcurveto",
|
|
),
|
|
( # test_vhcurveto_4_4_4
|
|
"0 1 2 3 4 0 rrcurveto 5 0 6 7 0 8 rrcurveto 0 9 10 11 12 0 rrcurveto",
|
|
"1 2 3 4 5 6 7 8 9 10 11 12 vhcurveto",
|
|
),
|
|
( # test_vhcurveto_4_4_5
|
|
"0 108 59 81 98 0 rrcurveto 99 0 59 -81 0 -108 rrcurveto 0 -100 -46 -66 -63 -47 rrcurveto",
|
|
"108 59 81 98 99 59 -81 -108 -100 -46 -66 -63 -47 vhcurveto",
|
|
),
|
|
( # test_vhcurveto_4_4_4_5
|
|
"0 60 -26 37 -43 0 rrcurveto -33 0 -28 -22 0 -36 rrcurveto 0 -37 27 -20 32 0 rrcurveto 3 0 4 0 3 1 rrcurveto",
|
|
"60 -26 37 -43 -33 -28 -22 -36 -37 27 -20 32 3 4 0 1 3 vhcurveto",
|
|
),
|
|
( # test_rrcurveto_v0_0h_h0
|
|
"0 10 1 2 0 0 0 0 1 2 0 1 0 1 3 4 0 0 rrcurveto",
|
|
"10 1 2 0 0 1 2 1 1 3 4 0 vhcurveto",
|
|
),
|
|
( # test_rrcurveto_h0_0h_h0
|
|
"10 0 1 2 0 0 0 0 1 2 0 1 0 1 3 4 0 0 rrcurveto",
|
|
"10 1 2 0 hhcurveto 0 1 2 1 1 3 4 0 hvcurveto",
|
|
),
|
|
( # test_rrcurveto_00_0h_h0
|
|
"0 0 1 2 0 0 0 0 1 2 0 1 0 1 3 4 0 0 rrcurveto",
|
|
"1 2 rlineto 0 1 2 1 1 3 4 0 hvcurveto",
|
|
),
|
|
( # test_rrcurveto_r0_0h_h0
|
|
"10 10 1 2 0 0 0 0 1 2 0 1 0 1 3 4 0 0 rrcurveto",
|
|
"10 10 1 2 0 0 1 2 1 1 3 4 0 vvcurveto",
|
|
),
|
|
( # test_rrcurveto_v0_0v_v0
|
|
"0 10 1 2 0 0 0 0 1 2 1 0 1 0 3 4 0 0 rrcurveto",
|
|
"10 1 2 0 vhcurveto 0 1 2 1 1 3 4 0 hhcurveto",
|
|
),
|
|
( # test_rrcurveto_h0_0v_v0
|
|
"10 0 1 2 0 0 0 0 1 2 1 0 1 0 3 4 0 0 rrcurveto",
|
|
"10 1 2 0 0 1 2 1 1 3 4 0 hhcurveto",
|
|
),
|
|
( # test_rrcurveto_00_0v_v0
|
|
"0 0 1 2 0 0 0 0 1 2 1 0 1 0 3 4 0 0 rrcurveto",
|
|
"1 2 rlineto 0 1 2 1 1 3 4 0 hhcurveto",
|
|
),
|
|
( # test_rrcurveto_r0_0v_v0
|
|
"10 10 1 2 0 0 0 0 1 2 1 0 1 0 3 4 0 0 rrcurveto",
|
|
"10 10 1 2 0 0 1 2 1 1 3 4 0 hhcurveto",
|
|
),
|
|
( # test_hhcurveto_peephole
|
|
"1 2 3 4 5 6 1 2 3 4 5 0 1 2 3 4 5 6 rrcurveto",
|
|
None,
|
|
),
|
|
( # test_vvcurveto_peephole
|
|
"1 2 3 4 5 6 1 2 3 4 0 6 1 2 3 4 5 6 rrcurveto",
|
|
None,
|
|
),
|
|
( # test_hvcurveto_peephole
|
|
"1 2 3 4 5 6 1 0 3 4 5 6 1 2 3 4 5 6 rrcurveto",
|
|
None,
|
|
),
|
|
( # test_vhcurveto_peephole
|
|
"1 2 3 4 5 6 0 2 3 4 5 6 1 2 3 4 5 6 rrcurveto",
|
|
None,
|
|
),
|
|
( # test_rcurveline_6_2
|
|
"21 -76 21 -72 24 -73 rrcurveto 31 -100 rlineto",
|
|
"21 -76 21 -72 24 -73 31 -100 rcurveline",
|
|
),
|
|
( # test_rcurveline_6_6_2
|
|
"-73 80 -80 121 -49 96 rrcurveto 60 65 55 41 54 17 rrcurveto -8 78 rlineto",
|
|
"-73 80 -80 121 -49 96 60 65 55 41 54 17 -8 78 rcurveline",
|
|
),
|
|
( # test_rcurveline_6_6_6_2
|
|
"1 64 10 51 29 39 rrcurveto 15 21 15 20 15 18 rrcurveto 47 -89 63 -98 52 -59 rrcurveto 91 8 rlineto",
|
|
"1 64 10 51 29 39 15 21 15 20 15 18 47 -89 63 -98 52 -59 91 8 rcurveline",
|
|
),
|
|
( # test_rlinecurve_2_6
|
|
"21 -76 rlineto 21 -72 24 -73 31 -100 rrcurveto",
|
|
"21 -76 21 -72 24 -73 31 -100 rlinecurve",
|
|
),
|
|
( # test_rlinecurve_2_2_6
|
|
"-73 80 rlineto -80 121 rlineto -49 96 60 65 55 41 rrcurveto",
|
|
"-73 80 -80 121 -49 96 60 65 55 41 rlinecurve",
|
|
),
|
|
( # test_rlinecurve_2_2_2_6
|
|
"1 64 rlineto 10 51 rlineto 29 39 rlineto 15 21 15 20 15 18 rrcurveto",
|
|
"1 64 10 51 29 39 15 21 15 20 15 18 rlinecurve",
|
|
),
|
|
],
|
|
)
|
|
def test_specialize(self, charstr, expected):
|
|
if expected is None:
|
|
expected = charstr
|
|
expected = expected.strip()
|
|
specialized = charstr_specialize(charstr)
|
|
assert specialized == expected, (specialized, expected)
|
|
|
|
# maxstack CFF=48, specializer uses up to 47
|
|
def test_maxstack(self):
|
|
operands = "1 2 3 4 5 6 "
|
|
operator = "rrcurveto "
|
|
charstr = (operands + operator) * 9
|
|
expected = (operands * 2 + operator + operands * 7 + operator).rstrip()
|
|
specialized = charstr_specialize(charstr)
|
|
assert specialized == expected, (specialized, expected)
|
|
|
|
# maxstack CFF2=513, specializer uses up to 512
|
|
def test_maxstack_blends(self):
|
|
getNumRegions = lambda iv: 15
|
|
blend_one = "0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 blend"
|
|
operands = " ".join([blend_one] * 6)
|
|
operator = "rrcurveto"
|
|
charstr = " ".join([operands, operator] * 10)
|
|
expected = charstr
|
|
specialized = charstr_specialize(
|
|
charstr, getNumRegions=getNumRegions, maxstack=maxStack
|
|
)
|
|
stack_use = charstr_stack_use(specialized, getNumRegions=getNumRegions)
|
|
assert stack_use < maxStack
|
|
|
|
|
|
class CFF2VFTestSpecialize(DataFilesHandler):
|
|
def test_blend_round_trip(self):
|
|
ttx_path = self.getpath("TestSparseCFF2VF.ttx")
|
|
ttf_font = TTFont(recalcBBoxes=False, recalcTimestamp=False)
|
|
ttf_font.importXML(ttx_path)
|
|
fontGlyphList = ttf_font.getGlyphOrder()
|
|
topDict = ttf_font["CFF2"].cff.topDictIndex[0]
|
|
charstrings = topDict.CharStrings
|
|
for glyphName in fontGlyphList:
|
|
cs = charstrings[glyphName]
|
|
cs.decompile()
|
|
cmds = programToCommands(cs.program, getNumRegions=cs.getNumRegions)
|
|
cmds_g = generalizeCommands(cmds)
|
|
cmds = specializeCommands(cmds_g, generalizeFirst=False)
|
|
program = commandsToProgram(cmds)
|
|
assert program == cs.program, (program, cs.program)
|
|
program = specializeProgram(program, getNumRegions=cs.getNumRegions)
|
|
assert program == cs.program, (program, cs.program)
|
|
program_g = generalizeProgram(program, getNumRegions=cs.getNumRegions)
|
|
program = commandsToProgram(cmds_g)
|
|
assert program == program_g, (program, program_g)
|
|
|
|
def test_blend_programToCommands(self):
|
|
ttx_path = self.getpath("TestCFF2Widths.ttx")
|
|
ttf_font = TTFont(recalcBBoxes=False, recalcTimestamp=False)
|
|
ttf_font.importXML(ttx_path)
|
|
fontGlyphList = ttf_font.getGlyphOrder()
|
|
topDict = ttf_font["CFF2"].cff.topDictIndex[0]
|
|
charstrings = topDict.CharStrings
|
|
for glyphName in fontGlyphList:
|
|
cs = charstrings[glyphName]
|
|
cs.decompile()
|
|
cmds = programToCommands(cs.program, getNumRegions=cs.getNumRegions)
|
|
program = commandsToProgram(cmds)
|
|
assert program == cs.program, (program, cs.program)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
import sys
|
|
|
|
sys.exit(pytest.main(sys.argv))
|