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Add test for harfbuzz shaping

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Kovid Goyal
2017-11-11 18:47:34 +05:30
parent c56a2ed055
commit 53e9f35c1f
3 changed files with 36 additions and 3 deletions
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16
kitty/fonts/render.py
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@@ -12,7 +12,7 @@ from kitty.constants import isosx
from kitty.fast_data_types import (
Screen, change_wcwidth, get_fallback_font, send_prerendered_sprites,
set_font, set_font_size, set_logical_dpi, set_send_sprite_to_gpu,
sprite_map_set_limits, test_render_line
sprite_map_set_limits, test_render_line, test_shape
)
from kitty.fonts.box_drawing import render_box_char, render_missing_glyph
@@ -187,6 +187,20 @@ def render_string(text, family='monospace', size=11.0, dpi=96.0):
return cell_width, cell_height, cells
def shape_string(text="abcd", family='monospace', size=11.0, dpi=96.0):
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)
return json.loads('[' + data + ']')
finally:
set_send_sprite_to_gpu(None)
return data
def test_render_string(text='Hello, world!', family='monospace', size=144.0, dpi=96.0):
from tempfile import NamedTemporaryFile
from kitty.fast_data_types import concat_cells, current_fonts