ohhhhhhhhhhh (exclude linux-extra-rootfs.img build artifact)

CODE/dsk/png_to_rgba_prefixed.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python3
+"""Convert a PNG to a prefixed RGBA8888 C array for DSK kernel embedding.
+
+Usage: python png_to_rgba_prefixed.py <input.png> <output.c> <prefix>
+
+Output symbols:
+  static const int <prefix>_w / <prefix>_h / <prefix>_rgba[]
+"""
+
+import sys
+from PIL import Image
+
+# Cap so embedded arrays stay small relative to typical 1024x768 GOP mode
+MAX_W, MAX_H = 1000, 700
+
+def main():
+    if len(sys.argv) != 4:
+        print(f"Usage: {sys.argv[0]} <input.png> <output.c> <prefix>", file=sys.stderr)
+        sys.exit(1)
+
+    src_path, dst_path, prefix = sys.argv[1], sys.argv[2], sys.argv[3]
+
+    img = Image.open(src_path).convert("RGBA")
+    if img.width > MAX_W or img.height > MAX_H:
+        scale = min(MAX_W / img.width, MAX_H / img.height)
+        img = img.resize((max(1, round(img.width * scale)),
+                          max(1, round(img.height * scale))),
+                         Image.LANCZOS)
+    w, h = img.size
+    raw = img.tobytes()  # RGBA byte order
+
+    with open(dst_path, "w", encoding="utf-8") as f:
+        f.write(f"/* Auto-generated from {src_path} - RGBA8888 pixel data */\n")
+        f.write(f"/* DO NOT EDIT. Regenerate via: python png_to_rgba_prefixed.py {src_path} {dst_path} {prefix} */\n\n")
+        f.write(f"static const int {prefix}_w = {w};\n")
+        f.write(f"static const int {prefix}_h = {h};\n")
+        f.write(f"static const unsigned char {prefix}_rgba[] = {{\n")
+
+        bytes_per_row = w * 4
+        for y in range(h):
+            row_start = y * bytes_per_row
+            row_data = raw[row_start:row_start + bytes_per_row]
+            hex_vals = [f"0x{b:02x}" for b in row_data]
+            f.write("    " + ", ".join(hex_vals) + ",\n")
+
+        f.write("};\n")
+
+    total = w * h * 4
+    print(f"[png_to_rgba_prefixed] {src_path} -> {dst_path}: {w}x{h}, {total} bytes")
+
+if __name__ == "__main__":
+    main()