79 lines
2.5 KiB
Python
79 lines
2.5 KiB
Python
#!/usr/bin/env python3
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"""One-off: render every tracked .svg to a same-named .png via headless Chromium.
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Not part of the build; run manually. Leaves the source .svg untouched."""
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import re
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import subprocess
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import sys
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from pathlib import Path
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CHROME = "/opt/pw-browsers/chromium-1194/chrome-linux/chrome"
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ROOT = Path("/home/user/StarForth")
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DIM_RE = re.compile(r'(width|height)\s*=\s*["\']([0-9.]+)(pt|px)?["\']')
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VIEWBOX_RE = re.compile(r'viewBox\s*=\s*["\']([\d.\-]+)\s+([\d.\-]+)\s+([\d.\-]+)\s+([\d.\-]+)["\']')
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def get_dims(svg_path: Path):
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text = svg_path.read_text(errors="replace")
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svg_open = re.search(r"<svg\b[^>]*>", text)
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head = svg_open.group(0) if svg_open else text[:4000]
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dims = {}
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for m in DIM_RE.finditer(head):
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name, val, unit = m.group(1), float(m.group(2)), m.group(3) or "px"
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if name in dims:
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continue # keep only the first (root <svg>) match
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px = val * (4 / 3) if unit == "pt" else val
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dims[name] = px
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if "width" in dims and "height" in dims:
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return int(round(dims["width"])), int(round(dims["height"]))
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vb = VIEWBOX_RE.search(head)
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if vb:
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w, h = float(vb.group(3)), float(vb.group(4))
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return int(round(w)), int(round(h))
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return 1024, 768
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def render(svg_path: Path) -> bool:
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png_path = svg_path.with_suffix(".png")
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w, h = get_dims(svg_path)
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w = max(w, 16)
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h = max(h, 16)
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cmd = [
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CHROME, "--headless", "--disable-gpu", "--no-sandbox",
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"--hide-scrollbars",
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f"--screenshot={png_path}",
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f"--window-size={w},{h}",
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"--force-device-scale-factor=2",
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"--default-background-color=00000000",
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f"file://{svg_path}",
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]
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r = subprocess.run(cmd, capture_output=True, text=True, timeout=60)
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ok = png_path.exists() and png_path.stat().st_size > 0
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if not ok:
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print(f"FAIL {svg_path}: {r.stderr[-500:]}", file=sys.stderr)
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return ok
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def main():
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svgs = sorted(ROOT.rglob("*.svg"))
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svgs = [s for s in svgs if "node_modules" not in s.parts]
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print(f"Found {len(svgs)} SVGs")
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failed = []
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for i, svg in enumerate(svgs, 1):
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rel = svg.relative_to(ROOT)
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ok = render(svg)
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status = "ok" if ok else "FAIL"
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print(f"[{i}/{len(svgs)}] {status} {rel}")
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if not ok:
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failed.append(rel)
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if failed:
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print(f"\n{len(failed)} failed:")
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for f in failed:
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print(f" {f}")
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else:
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print("\nAll converted.")
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if __name__ == "__main__":
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main()
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