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https://github.com/ByteWelder/Tactility.git
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0ebd471cc0
- The `/system` FAT volume is removed. Its files are embedded in the firmware as generated C arrays. - Default-size fonts are generated at build time and used from flash. - The LVGL task and the Launcher run on PSRAM-preferred stacks. A new kernel `file_ops` API takes the file work off those threads. - `MainDispatcher` is reimplemented as an on-demand task. - More long-lived state is allocated with the PSRAM-preferring helpers. - Other fixes and improvements
60 lines
1.7 KiB
Python
60 lines
1.7 KiB
Python
#!/usr/bin/env python3
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"""
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Generates the spinner and cursor images in Data/system/ui/ from Data/system_sources/:
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- spinner_<size>.png from TactilitySpinner.svg
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- cursor_<size>.png from cursor.svg
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The sizes are in pixels. They must match the ones in Modules/lvgl-module/source/ui_assets.c.
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Requires the cairosvg package: pip install cairosvg
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"""
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import os
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import re
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import cairosvg
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SPINNER_SIZES = [12, 16, 20, 24, 32, 36, 40]
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CURSOR_SIZES = [12, 16, 20, 24, 32, 40]
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ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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SOURCES = os.path.join(ROOT, "Data", "system_sources")
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OUTPUT = os.path.join(ROOT, "Data", "system", "ui")
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def load_svg(svg_name: str) -> bytes:
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"""
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Inkscape leaves x, y, width and height attributes on paths that came from rectangles.
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cairosvg applies them to the path, which displaces and distorts it, so they're removed.
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"""
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with open(os.path.join(SOURCES, svg_name), "r", encoding="utf-8") as file:
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svg = file.read()
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svg = re.sub(
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r"<path\b.*?>",
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lambda tag: re.sub(r'\s+(?:x|y|width|height)="[^"]*"', "", tag[0]),
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svg,
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flags=re.S,
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)
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return svg.encode("utf-8")
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def render(svg_name: str, output_name: str, size: int):
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cairosvg.svg2png(
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bytestring=load_svg(svg_name),
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write_to=os.path.join(OUTPUT, output_name),
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output_width=size,
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output_height=size,
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)
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print(output_name)
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def main():
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os.makedirs(OUTPUT, exist_ok=True)
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for size in SPINNER_SIZES:
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render("TactilitySpinner.svg", f"spinner_{size}.png", size)
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for size in CURSOR_SIZES:
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render("cursor.svg", f"cursor_{size}.png", size)
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if __name__ == "__main__":
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main()
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