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micropython-font-to-py
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fix test program

pull/52/head
Jacques Supcik 2023-10-25 18:13:23 +02:00
rodzic e1005e56a1
commit a874f617d2
1 zmienionych plików z 27 dodań i 23 usunięć
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font_test.py
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@ -1,5 +1,4 @@
#! /usr/bin/env python3 #! /usr/bin/env python3
# -*- coding: utf-8 -*-
# The MIT License (MIT) # The MIT License (MIT)
# #
@ -28,64 +27,68 @@
# output to the REPL using a font file created by this utility. # output to the REPL using a font file created by this utility.
import sys import sys
import os
from importlib import import_module from importlib import import_module
from font_to_py import Font, write_font
# from font_to_py import Font, write_font
# Utility functions # Utility functions
def validate_hmap(data, height, width): def validate_hmap(data, height, width):
bpr = (width - 1)//8 + 1 bpr = (width - 1) // 8 + 1
msg = 'Horizontal map, invalid data length got {} expected {}' msg = "Horizontal map, invalid data length got {} expected {}"
assert len(data) == bpr * height, msg.format(len(data), bpr * height) assert len(data) == bpr * height, msg.format(len(data), bpr * height)
def validate_vmap(data, height, width): def validate_vmap(data, height, width):
bpc = (height - 1)//8 + 1 bpc = (height - 1) // 8 + 1
msg = 'Vertical map, invalid data length got {} expected {}' msg = "Vertical map, invalid data length got {} expected {}"
assert len(data) == bpc * width, msg.format(len(data), bpc * width) assert len(data) == bpc * width, msg.format(len(data), bpc * width)
# Routines to render to REPL # Routines to render to REPL
def render_row_hmap(data, row, height, width, reverse): def render_row_hmap(data, row, height, width, reverse):
validate_hmap(data, height, width) validate_hmap(data, height, width)
bytes_per_row = (width - 1)//8 + 1 bytes_per_row = (width - 1) // 8 + 1
for col in range(width): for col in range(width):
byte = data[row * bytes_per_row + col // 8] byte = data[row * bytes_per_row + col // 8]
if reverse: if reverse:
bit = (byte & (1 << (col % 8))) > 0 bit = (byte & (1 << (col % 8))) > 0
else: else:
bit = (byte & (1 << (7 - (col % 8)))) > 0 bit = (byte & (1 << (7 - (col % 8)))) > 0
char = '#' if bit else '.' char = "#" if bit else "."
print(char, end='') print(char, end="")
def render_row_vmap(data, row, height, width, reverse): def render_row_vmap(data, row, height, width, reverse):
validate_vmap(data, height, width) validate_vmap(data, height, width)
bytes_per_col = (height - 1)//8 + 1 bytes_per_col = (height - 1) // 8 + 1
for col in range(width): for col in range(width):
byte = data[col * bytes_per_col + row//8] byte = data[col * bytes_per_col + row // 8]
if reverse: if reverse:
bit = (byte & (1 << (7 - (row % 8)))) > 0 bit = (byte & (1 << (7 - (row % 8)))) > 0
else: else:
bit = (byte & (1 << (row % 8))) > 0 bit = (byte & (1 << (row % 8))) > 0
char = '#' if bit else '.' char = "#" if bit else "."
print(char, end='') print(char, end="")
# Render a string to REPL using a specified Python font file # Render a string to REPL using a specified Python font file
# usage font_test.test_font('freeserif', 'abc') # usage font_test.test_font('freeserif', 'abc')
# Default tests outliers with fonts created with -k extended # Default tests outliers with fonts created with -k extended
def test_font(fontfile, string='abg'+chr(126)+chr(127)+chr(176)+chr(177)+chr(937)+chr(981)): def test_font(
fontfile,
string="abg" + chr(126) + chr(127) + chr(176) + chr(177) + chr(937) + chr(981),
):
if fontfile in sys.modules: if fontfile in sys.modules:
del sys.modules[fontfile] # force reload del sys.modules[fontfile] # force reload
myfont = import_module(fontfile) myfont = import_module(fontfile)
print(('Horizontal' if myfont.hmap() else 'Vertical') + ' map') print(("Horizontal" if myfont.hmap() else "Vertical") + " map")
print(('Reverse' if myfont.reverse() else 'Normal') + ' bit order') print(("Reverse" if myfont.reverse() else "Normal") + " bit order")
print(('Fixed' if myfont.monospaced() else 'Proportional') + ' spacing') print(("Fixed" if myfont.monospaced() else "Proportional") + " spacing")
print('Dimensions height*max_width {} * {}'.format(myfont.height(), myfont.max_width())) print(f"Dimensions height*max_width {myfont.height()} * {myfont.max_width()}")
s, e = myfont.min_ch(), myfont.max_ch() s, e = myfont.min_ch(), myfont.max_ch()
print('Start char "{}" (ord {}) end char "{}" (ord {})'.format(chr(s), s, chr(e), e)) print(f'Start char "{chr(s)}" (ord {s}) end char "{chr(e)}" (ord {e})')
height = myfont.height() height = myfont.height()
for row in range(height): for row in range(height):
@ -97,7 +100,8 @@ def test_font(fontfile, string='abg'+chr(126)+chr(127)+chr(176)+chr(177)+chr(937
render_row_vmap(data, row, height, width, myfont.reverse()) render_row_vmap(data, row, height, width, myfont.reverse())
print() print()
usage = '''Usage:
usage = """Usage:
./font_test fontfile string ./font_test fontfile string
fontfile is a Python font file name with the .py extension omitted. fontfile is a Python font file name with the .py extension omitted.
string is an optional string to render. string is an optional string to render.
@ -105,10 +109,10 @@ If string is omitted a challenging test string will be rendered. This
is for fonts created with -k extended. Other fonts will show "?" for is for fonts created with -k extended. Other fonts will show "?" for
nonexistent glyphs. nonexistent glyphs.
Requires Python 3.2 or newer. Requires Python 3.2 or newer.
''' """
if __name__ == "__main__": if __name__ == "__main__":
if len(sys.argv) < 2 or sys.argv[1] == '--help': if len(sys.argv) < 2 or sys.argv[1] == "--help":
print(usage) print(usage)
elif len(sys.argv) == 2: elif len(sys.argv) == 2:
test_font(sys.argv[1]) test_font(sys.argv[1])