Jeff Epler
3554999f0a
The conversion process was so nasty & ad hoc that I'm committing the generated font file.
52 lines
1.3 KiB
Python
52 lines
1.3 KiB
Python
# SPDX-FileCopyrightText: 2019 Scott Shawcroft for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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"""
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`adafruit_bitmap_font.glyph_cache`
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====================================================
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Displays text using CircuitPython's displayio.
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* Author(s): Scott Shawcroft
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Implementation Notes
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--------------------
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**Hardware:**
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**Software and Dependencies:**
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* Adafruit CircuitPython firmware for the supported boards:
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https://github.com/adafruit/circuitpython/releases
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"""
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from . import Glyph
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from typing import Union, Iterable
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import gc
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__version__ = "0.0.0+auto.0"
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__repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_Bitmap_Font.git"
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class GlyphCache:
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"""Caches glyphs loaded by a subclass."""
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def __init__(self) -> None:
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self._glyphs = {}
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def load_glyphs(self, code_points: Union[int, str, Iterable[int]]) -> None:
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"""Loads displayio.Glyph objects into the GlyphCache from the font."""
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def get_glyph(self, code_point: int) -> Glyph:
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"""Returns a displayio.Glyph for the given code point or None is unsupported."""
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if code_point in self._glyphs:
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return self._glyphs[code_point]
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code_points = set()
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code_points.add(code_point)
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self._glyphs[code_point] = None
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self.load_glyphs(code_points)
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gc.collect()
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return self._glyphs[code_point]
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