wuxu
c7ef3c0047
Extend the bitmap font pipeline with the Chinese Joker glyph subset and encode supported UTF-8 text for Tonc TTE. Move the affine map clear of the expanded font, add a compile-time VRAM overlap guard, and cover every custom glyph with host tests.
49 lines
1.6 KiB
Python
49 lines
1.6 KiB
Python
#!/usr/bin/env python3
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"""Append the Chinese Joker-description glyph subset to the project's 8x8 ASCII font."""
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from argparse import ArgumentParser
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from pathlib import Path
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import re
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from PIL import Image, ImageDraw, ImageFont
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ASCII_FONT_HEIGHT = 48
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CELL_SIZE = 8
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GLYPHS_PER_ROW = 16
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def read_codepoints(table_path: Path) -> list[int]:
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table = table_path.read_text(encoding="utf-8")
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return [int(value, 16) for value in re.findall(r"CHINESE_GLYPH\(0x([0-9A-Fa-f]+)\)", table)]
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def main() -> None:
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parser = ArgumentParser()
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parser.add_argument("--font", required=True, help="Fusion Pixel Font 8px zh_hans TTF")
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parser.add_argument("--table", default="include/def_chinese_glyph_table.h")
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parser.add_argument("--image", default="font/gbalatro_sys8.png")
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args = parser.parse_args()
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image_path = Path(args.image)
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base = Image.open(image_path).convert("RGB").crop((0, 0, 128, ASCII_FONT_HEIGHT))
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codepoints = read_codepoints(Path(args.table))
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extra_rows = (len(codepoints) + GLYPHS_PER_ROW - 1) // GLYPHS_PER_ROW
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output = Image.new("RGB", (128, ASCII_FONT_HEIGHT + extra_rows * CELL_SIZE), "white")
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output.paste(base, (0, 0))
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draw = ImageDraw.Draw(output)
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font = ImageFont.truetype(args.font, CELL_SIZE)
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for index, codepoint in enumerate(codepoints):
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x = (index % GLYPHS_PER_ROW) * CELL_SIZE
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y = ASCII_FONT_HEIGHT + (index // GLYPHS_PER_ROW) * CELL_SIZE
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draw.text((x, y - 1), chr(codepoint), font=font, fill="black")
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output.save(image_path, optimize=True)
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print(f"Appended {len(codepoints)} Chinese glyphs to {image_path}")
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if __name__ == "__main__":
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main()
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