pFad - Phone/Frame/Anonymizer/Declutterfier! Saves Data!


--- a PPN by Garber Painting Akron. With Image Size Reduction included!

URL: http://github.com/robotools/fontMath/pull/245/files

"https://github.githubassets.com/assets/primer-primitives-6da842159062d25e.css" /> Test groups for equality before doing fontMath kerning math by benkiel · Pull Request #245 · robotools/fontMath · GitHub
Skip to content

Test groups for equality before doing fontMath kerning math #245

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
benkiel wants to merge 2 commits into
base: master
Choose a base branch
from
Open

Test groups for equality before doing fontMath kerning math #245

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
5a64229
Test groups for equality before doing fontMath kerning math. If not e…
benkiel Jun 23, 2021
4852acf
Add a `strictGroups` flag to turn on strict group checking
benkiel Jun 23, 2021
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 7 additions & 3 deletions Lib/fontMath/mathKerning.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -19,13 +19,14 @@ class kerning dictionary.

class MathKerning(object):

def __init__(self, kerning=None, groups=None):
def __init__(self, kerning=None, groups=None, strictGroups=False):
if kerning is None:
kerning = {}
if groups is None:
groups = {}
self.update(kerning)
self.updateGroups(groups)
self.strictGroups = strictGroups

# -------
# Loading
Expand Down Expand Up @@ -168,15 +169,18 @@ def __sub__(self, other):
return k

def _processMathOne(self, other, funct):
g1 = self.groups()
g2 = other.groups()
if self.strictGroups or other.strictGroups:
if g1 != g2:
raise ValueError("Kerning groups must be exactly the same.")
comboPairs = set(self._kerning.keys()) | set(other._kerning.keys())
kerning = dict.fromkeys(comboPairs, None)
for k in comboPairs:
v1 = self.get(k)
v2 = other.get(k)
v = funct(v1, v2)
kerning[k] = v
g1 = self.groups()
g2 = other.groups()
if g1 == g2 or not g1 or not g2:
groups = g1 or g2
else:
Expand Down
98 changes: 96 additions & 2 deletions Lib/fontMath/test/test_mathKerning.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -115,7 +115,37 @@ def test_copy(self):
obj2 = obj1.copy()
self.assertEqual(sorted(obj1.items()), sorted(obj2.items()))

def test_add(self):
def test_add_different_groups_strict(self):
kerning1 = {
("A", "A"): 1,
("B", "B"): 1,
("NotIn2", "NotIn2"): 1,
("public.kern1.NotIn2", "C"): 1,
("public.kern1.D", "public.kern2.D"): 1,
}
groups1 = {
"public.kern1.NotIn1": ["C"],
"public.kern1.D": ["D", "H"],
"public.kern2.D": ["D", "H"],
}
kerning2 = {
("A", "A"): -1,
("B", "B"): 1,
("NotIn1", "NotIn1"): 1,
("public.kern1.NotIn1", "C"): 1,
("public.kern1.D", "public.kern2.D"): 1,
}
groups2 = {
"public.kern1.NotIn2": ["C"],
"public.kern1.D": ["D", "H"],
"public.kern2.D": ["D", "H"],
}
with self.assertRaises(ValueError):
obj = MathKerning(kerning1, groups1, strictGroups=True) + MathKerning(kerning2, groups2)
with self.assertRaises(ValueError):
obj = MathKerning(kerning1, groups1) + MathKerning(kerning2, groups2, strictGroups=True)

def test_add_different_groups(self):
kerning1 = {
("A", "A"): 1,
("B", "B"): 1,
Expand Down Expand Up @@ -195,7 +225,37 @@ def test_add_same_groups(self):
obj.groups()["public.kern2.D"],
['D', 'H'])

def test_sub(self):
def test_sub_different_groups_strict(self):
kerning1 = {
("A", "A"): 1,
("B", "B"): 1,
("NotIn2", "NotIn2"): 1,
("public.kern1.NotIn2", "C"): 1,
("public.kern1.D", "public.kern2.D"): 1,
}
groups1 = {
"public.kern1.NotIn1": ["C"],
"public.kern1.D": ["D", "H"],
"public.kern2.D": ["D", "H"],
}
kerning2 = {
("A", "A"): -1,
("B", "B"): 1,
("NotIn1", "NotIn1"): 1,
("public.kern1.NotIn1", "C"): 1,
("public.kern1.D", "public.kern2.D"): 1,
}
groups2 = {
"public.kern1.NotIn2": ["C"],
"public.kern1.D": ["D"],
"public.kern2.D": ["D", "H"],
}
with self.assertRaises(ValueError):
obj = MathKerning(kerning1, groups1, strictGroups=True) - MathKerning(kerning2, groups2)
with self.assertRaises(ValueError):
obj = MathKerning(kerning1, groups1) - MathKerning(kerning2, groups2, strictGroups=True)

def test_sub_different_groups(self):
kerning1 = {
("A", "A"): 1,
("B", "B"): 1,
Expand Down Expand Up @@ -235,6 +295,40 @@ def test_sub(self):
obj.groups()["public.kern2.D"],
['D', 'H'])

def test_sub_same_groups(self):
kerning1 = {
("A", "A"): 1,
("B", "B"): 1,
("NotIn2", "NotIn2"): 1,
("public.kern1.D", "public.kern2.D"): 1,
}
groups1 = {
"public.kern1.D": ["D", "H"],
"public.kern2.D": ["D", "H"],
}
kerning2 = {
("A", "A"): -1,
("B", "B"): 1,
("NotIn1", "NotIn1"): 1,
("public.kern1.D", "public.kern2.D"): 1,
}
groups2 = {
"public.kern1.D": ["D"],
"public.kern2.D": ["D", "H"],
}
obj = MathKerning(kerning1, groups1) - MathKerning(kerning2, groups2)
self.assertEqual(
sorted(obj.items()),
[(('A', 'A'), 2),
(('NotIn1', 'NotIn1'), -1),
(('NotIn2', 'NotIn2'), 1)])
self.assertEqual(
obj.groups()["public.kern1.D"],
['D', 'H'])
self.assertEqual(
obj.groups()["public.kern2.D"],
['D', 'H'])

def test_mul(self):
kerning = {
("A", "A"): 0,
Expand Down
pFad - Phonifier reborn

Pfad - The Proxy pFad © 2024 Your Company Name. All rights reserved.




Check this box to remove all script contents from the fetched content.



Check this box to remove all images from the fetched content.


Check this box to remove all CSS styles from the fetched content.


Check this box to keep images inefficiently compressed and original size.

Note: This service is not intended for secure transactions such as banking, social media, email, or purchasing. Use at your own risk. We assume no liability whatsoever for broken pages.


Alternative Proxies:

Alternative Proxy

pFad Proxy

pFad v3 Proxy

pFad v4 Proxy