9fccc38382
Recognize special glyphs by comparing the index to the glyph for the codepoint in the font. Cannot rely on glyph width as many glyphs have zero width. For example the glyph for space characters.
93 lines
3.6 KiB
Python
93 lines
3.6 KiB
Python
#!/usr/bin/env python
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# vim:fileencoding=utf-8
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# License: GPL v3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
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from collections import OrderedDict
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from kitty.constants import isosx
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from kitty.fast_data_types import (
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change_wcwidth, set_logical_dpi, set_send_sprite_to_gpu,
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sprite_map_set_layout, sprite_map_set_limits, test_render_line,
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test_sprite_position_for, wcwidth
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)
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from kitty.fonts.box_drawing import box_chars
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from kitty.fonts.render import (
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prerender, render_string, set_font_family, shape_string
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)
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from kitty.utils import get_logical_dpi
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from . import BaseTest
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class Rendering(BaseTest):
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def setUp(self):
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sprite_map_set_limits(100000, 100)
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self.sprites = OrderedDict()
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def send_to_gpu(x, y, z, data):
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self.sprites[(x, y, z)] = data
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set_send_sprite_to_gpu(send_to_gpu)
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set_logical_dpi(96.0, 96.0)
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get_logical_dpi((96.0, 96.0))
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self.cell_width, self.cell_height = set_font_family()
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prerender()
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self.assertEqual([k[0] for k in self.sprites], [0, 1, 2, 3, 4])
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def tearDown(self):
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set_send_sprite_to_gpu(None)
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del self.sprites
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def test_sprite_map(self):
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sprite_map_set_limits(10, 2)
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sprite_map_set_layout(5, 5)
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self.ae(test_sprite_position_for(0), (0, 0, 0))
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self.ae(test_sprite_position_for(1), (1, 0, 0))
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self.ae(test_sprite_position_for(2), (0, 1, 0))
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self.ae(test_sprite_position_for(3), (1, 1, 0))
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self.ae(test_sprite_position_for(4), (0, 0, 1))
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self.ae(test_sprite_position_for(5), (1, 0, 1))
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self.ae(test_sprite_position_for(0, 1), (0, 1, 1))
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self.ae(test_sprite_position_for(0, 2), (1, 1, 1))
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self.ae(test_sprite_position_for(0, 2), (1, 1, 1))
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def test_box_drawing(self):
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prerendered = len(self.sprites)
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s = self.create_screen(cols=len(box_chars), lines=1, scrollback=0)
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s.draw(''.join(box_chars))
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line = s.line(0)
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test_render_line(line)
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self.assertEqual(len(self.sprites), prerendered + len(box_chars))
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def test_font_rendering(self):
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text = 'He\u0347\u0305llo\u0341, w\u0302or\u0306l\u0354d!'
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# macOS has no fonts capable of rendering combining chars
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if isosx:
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text = text.encode('ascii', 'ignore').decode('ascii')
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cells = render_string(text)[-1]
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self.ae(len(cells), len(text.encode('ascii', 'ignore')))
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text = '你好,世界'
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sz = sum(map(lambda x: wcwidth(ord(x)), text))
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cells = render_string(text)[-1]
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self.ae(len(cells), sz)
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def test_shaping(self):
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change_wcwidth(True)
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try:
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def groups(text, path=None):
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return [x[:2] for x in shape_string(text, path=path)]
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self.ae(groups('abcd'), [(1, 1) for i in range(4)])
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self.ae(groups('A=>>B!=C', path='kitty_tests/FiraCode-Medium.otf'), [(1, 1), (3, 3), (1, 1), (2, 2), (1, 1)])
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colon_glyph = shape_string('9:30', path='kitty_tests/FiraCode-Medium.otf')[1][2]
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self.assertNotEqual(colon_glyph, shape_string(':', path='kitty_tests/FiraCode-Medium.otf')[0][2])
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self.ae(colon_glyph, 998)
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self.ae(groups('9:30', path='kitty_tests/FiraCode-Medium.otf'), [(1, 1), (1, 1), (1, 1), (1, 1)])
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self.ae(groups('|\U0001F601|\U0001F64f|\U0001F63a|'), [(1, 1), (2, 1), (1, 1), (2, 1), (1, 1), (2, 1), (1, 1)])
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self.ae(groups('He\u0347\u0305llo\u0337,', path='kitty_tests/LiberationMono-Regular.ttf'),
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[(1, 1), (1, 3), (1, 1), (1, 1), (1, 2), (1, 1)])
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finally:
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change_wcwidth(False)
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