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Add test for quarter blocks

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This commit is contained in:
Kovid Goyal
2024-12-06 13:28:53 +05:30
parent b96da25380
commit 073d5c7340
2 changed files with 45 additions and 9 deletions
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35
kitty_tests/fonts.py
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@@ -1,6 +1,7 @@
#!/usr/bin/env python
# License: GPL v3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
import array
import os
import tempfile
import unittest
@@ -223,14 +224,46 @@ class Rendering(BaseTest):
rest = self.cell_height - height
return (first * (rest * self.cell_width * 4)) + (second * height * self.cell_width * 4)
def quarter_block():
frac = 0.5
height = ceil(frac * self.cell_height)
width = ceil(frac * self.cell_width)
ans = array.array('I', b'\0' * block_size)
self.ae(len(ans), self.cell_width * self.cell_height)
for y in range(height):
pos = self.cell_width * y
for x in range(width):
ans[pos + x] = 0xffffffff
return ans.tobytes()
def upper_half_block():
return half_block()
def lower_half_block():
return half_block(b'\0', b'\xff')
def block_as_str(a):
pixels = array.array('I', a)
def row(y):
pos = y * self.cell_width
return ' '.join(f'{int(pixels[pos + x] != 0)}' for x in range(self.cell_width))
return '\n'.join(row(y) for y in range(self.cell_height))
def assert_blocks(a, b, msg=''):
if a != b:
assert_blocks.__msg = (msg or 'block not equal') + '\n' + block_as_str(a) + '\n\n' + block_as_str(b)
del a, b
raise AssertionError(assert_blocks.__msg)
s = self.create_screen(cols=8, lines=8, scrollback=0)
s.reset()
before = len(self.sprites)
draw_multicell(s, '█', scale=1, subscale_n=1, subscale_d=2, vertical_align=0)
test_render_line(s.line(0))
self.ae(len(self.sprites), before + 1)
assert_blocks(quarter_block(), self.sprites[tuple(self.sprites)[before]])
def block_test(a=empty_block, b=empty_block, c=empty_block, d=empty_block, scale=2, half_block=True, vertical_align=0):
s.reset()
before = len(self.sprites)
@@ -244,7 +277,7 @@ class Rendering(BaseTest):
self.ae(len(self.sprites), before + 4)
blocks = tuple(self.sprites)[before:]
for i, (expected, actual) in enumerate(zip((a(), b(), c(), d()), blocks)):
self.ae(self.sprites[actual], expected, f'The {i} block differs')
assert_blocks(expected, self.sprites[actual], f'The {i} block differs')
block_test(full_block, full_block, full_block, full_block, half_block=False)
block_test(a=full_block)