kitty/kitty_tests/fonts.py
2017-11-10 08:30:35 +05:30

68 lines
2.4 KiB
Python

#!/usr/bin/env python
# vim:fileencoding=utf-8
# License: GPL v3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
from collections import OrderedDict
from kitty.constants import isosx
from kitty.fast_data_types import (
set_send_sprite_to_gpu, sprite_map_set_layout, sprite_map_set_limits,
test_render_line, test_sprite_position_for, wcwidth
)
from kitty.fonts.box_drawing import box_chars
from kitty.fonts.render import render_string, set_font_family, prerender
from . import BaseTest
class Rendering(BaseTest):
def setUp(self):
sprite_map_set_limits(100000, 100)
self.sprites = OrderedDict()
def send_to_gpu(x, y, z, data):
self.sprites[(x, y, z)] = data
set_send_sprite_to_gpu(send_to_gpu)
self.cell_width, self.cell_height = set_font_family(override_dpi=(96.0, 96.0))
prerender()
self.assertEqual([k[0] for k in self.sprites], [0, 1, 2, 3, 4])
def tearDown(self):
set_send_sprite_to_gpu(None)
del self.sprites
def test_sprite_map(self):
sprite_map_set_limits(10, 2)
sprite_map_set_layout(5, 5)
self.ae(test_sprite_position_for(0), (0, 0, 0))
self.ae(test_sprite_position_for(1), (1, 0, 0))
self.ae(test_sprite_position_for(2), (0, 1, 0))
self.ae(test_sprite_position_for(3), (1, 1, 0))
self.ae(test_sprite_position_for(4), (0, 0, 1))
self.ae(test_sprite_position_for(5), (1, 0, 1))
self.ae(test_sprite_position_for(0, 1), (0, 1, 1))
self.ae(test_sprite_position_for(0, 2), (1, 1, 1))
self.ae(test_sprite_position_for(0, 2), (1, 1, 1))
def test_box_drawing(self):
prerendered = len(self.sprites)
s = self.create_screen(cols=len(box_chars), lines=1, scrollback=0)
s.draw(''.join(box_chars))
line = s.line(0)
test_render_line(line)
self.assertEqual(len(self.sprites), prerendered + len(box_chars))
def test_font_rendering(self):
text = 'He\u0347\u0305llo\u0341, w\u0302or\u0306l\u0354d!'
# macOS has no fonts capable of rendering combining chars
if isosx:
text = text.encode('ascii', 'ignore').decode('ascii')
cells = render_string(text)[-1]
self.ae(len(cells), len(text.encode('ascii', 'ignore')))
text = '你好,世界'
sz = sum(map(lambda x: wcwidth(ord(x)), text))
cells = render_string(text)[-1]
self.ae(len(cells), sz)