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Use only cluster numbers and glyph sizes for grouping glyphs into cells

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See https://github.com/behdad/harfbuzz/issues/615 for discussion
This commit is contained in:
Kovid Goyal
2017-11-12 20:32:36 +05:30
parent 0bd093ec2e
commit 088087df73
4 changed files with 130 additions and 82 deletions
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7
kitty/fonts/render.py
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@@ -188,17 +188,14 @@ def render_string(text, family='monospace', size=11.0, dpi=96.0):
def shape_string(text="abcd", family='monospace', size=11.0, dpi=96.0, path=None):
import json
try:
sprites, cell_width, cell_height = setup_for_testing(family, size, dpi)
s = Screen(None, 1, len(text)*2)
line = s.line(0)
s.draw(text)
data = test_shape(line, path)
return json.loads('[' + data + ']')
return test_shape(line, path)
finally:
set_send_sprite_to_gpu(None)
return data
def test_render_string(text='Hello, world!', family='monospace', size=144.0, dpi=96.0):
@@ -240,7 +237,7 @@ def test_fallback_font(qtext=None, bold=False, italic=False):
def showcase():
change_wcwidth(True)
f = 'monospace' if isosx else 'Liberation Mono'
test_render_string('He\u0347\u0305llo\u0341, w\u0302or\u0306l\u0354d!', family=f)
test_render_string('He\u0347\u0305llo\u0337, w\u0302or\u0306l\u0354d!', family=f)
test_render_string('你好,世界', family=f)
test_render_string('|\U0001F601|\U0001F64f|\U0001F63a|', family=f)
test_render_string('A=>>B!=C', family='Fira Code')