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Coalesce neighboring symbol maps for better lookup performance

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Kovid Goyal
2019-11-12 20:05:48 +05:30
parent 83932c8099
commit a649eb2a48
2 changed files with 29 additions and 2 deletions
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8
kitty_tests/fonts.py
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@@ -11,7 +11,9 @@ from kitty.fast_data_types import (
test_render_line, test_sprite_position_for, wcwidth
)
from kitty.fonts.box_drawing import box_chars
from kitty.fonts.render import render_string, setup_for_testing, shape_string
from kitty.fonts.render import (
coalesce_symbol_maps, render_string, setup_for_testing, shape_string
)
from . import BaseTest
@@ -122,3 +124,7 @@ class Rendering(BaseTest):
finally:
sys.stderr = orig
self.assertIn('LastResort', buf.getvalue())
def test_coalesce_symbol_maps(self):
q = {(2, 3): 'a', (4, 6): 'b', (5, 5): 'b', (7, 7): 'b', (9, 9): 'b', (1, 1): 'a'}
self.ae(coalesce_symbol_maps(q), {(1, 3): 'a', (4, 7): 'b', (9, 9): 'b'})