Restructure into Wiki, Studio and Python monorepo with scoped CI

2026-10-25 21:13:43 +08:00
parent c898e41672
commit a2330b22e2
152 changed files with 3525 additions and 3287 deletions
@@ -0,0 +1,70 @@
+"""Render a Studio JSON bundle into PNG slides and optionally MP4."""
+import argparse
+import json
+import subprocess
+from pathlib import Path
+from PIL import Image, ImageDraw, ImageFont
+
+
+def validate(bundle):
+    if bundle.get("version") != 1 or not isinstance(bundle.get("slides"), list) or not bundle["slides"]:
+        raise ValueError("Expected a version 1 Studio bundle with slides")
+    for slide in bundle["slides"]:
+        if not all(isinstance(slide.get(k), str) for k in ("heading", "body", "color")):
+            raise ValueError("Invalid slide")
+    return bundle["slides"]
+
+
+def wrap(draw, text, font, width):
+    lines = []
+    for paragraph in text.split("\n"):
+        line = ""
+        for char in paragraph:
+            if line and draw.textlength(line + char, font=font) > width:
+                lines.append(line)
+                line = ""
+            line += char
+        lines.append(line)
+    return lines
+
+
+def render(bundle, output, font_path):
+    slides = validate(bundle)
+    output.mkdir(parents=True, exist_ok=True)
+    heading = ImageFont.truetype(str(font_path), 76)
+    body = ImageFont.truetype(str(font_path), 38)
+    for index, slide in enumerate(slides, 1):
+        image = Image.new("RGB", (1080, 1440), slide["color"])
+        draw = ImageDraw.Draw(image)
+        draw.text((80, 80), f"PROMPT / {index:02}", font=body, fill="#353535")
+        y = 330
+        for text, font, gap in [(slide["heading"], heading, 108), (slide["body"], body, 65)]:
+            for line in wrap(draw, text, font, 920):
+                if y + gap > 1360:
+                    raise ValueError(f"Slide {index} overflows; split the text into more slides")
+                draw.text((80, y), line, font=font, fill="#242424")
+                y += gap
+            y += 70
+        image.save(output / f"slide-{index:03}.png")
+
+
+def main():
+    parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument("bundle", type=Path)
+    parser.add_argument("--output", type=Path, required=True)
+    parser.add_argument("--font", type=Path, required=True, help="CJK font TTF/OTF/TTC")
+    parser.add_argument("--video", action="store_true")
+    args = parser.parse_args()
+    bundle = json.loads(args.bundle.read_text())
+    render(bundle, args.output, args.font)
+    if args.video:
+        # Use an explicit temporary input sequence so old PNGs cannot leak into a video.
+        import tempfile
+        import shutil
+        with tempfile.TemporaryDirectory() as staging:
+            for index in range(1, len(bundle["slides"]) + 1):
+                shutil.copy(args.output / f"slide-{index:03}.png", Path(staging) / f"slide-{index:03}.png")
+            subprocess.run(["ffmpeg", "-y", "-framerate", "1/4", "-i", str(Path(staging) / "slide-%03d.png"), "-vf", "fps=30,format=yuv420p", "-c:v", "libx264", "-movflags", "+faststart", str(args.output / "video.mp4")], check=True)
+
+if __name__ == "__main__":
+    main()