feat: DEAICUP lotus panic screen + F2 fbcon abstraction

- panic screen now draws embedded ohMyLogo.png (384px RGBA, gen_panic_logo.py); background color sampled from image corners so screen bg matches logo bg - F2: include/utsm/fbcon.h unified framebuffer console (pixel/blend/fill/rgba-image/text with FBCON_HAVE_FONT opt-in); panic.c migrated onto it - build.ps1 regenerates panic_logo_data.inc when ohMyLogo.png changes
2026-10-01 23:50:04 +08:00
parent e4307ff0ec
commit 6e44fa5df7
13 changed files with 646 additions and 170 deletions
@@ -0,0 +1,60 @@
+#!/usr/bin/env python3
+"""Generate panic_logo_data.inc from ohMyLogo.png (root).
+
+- Downscale logo to 384px wide (keep aspect), RGBA8888
+- Sample the 4 corners (averaged) as the panic-screen background color
+Usage: python gen_panic_logo.py <ohMyLogo.png> <panic_logo_data.inc>
+"""
+import sys
+from PIL import Image
+
+SRC = r"d:/Code/DEAICUP/Deshab/ohMyLogo.png"
+DST = r"d:/Code/DEAICUP/Deshab/CODE/UTSM/kernel/panic_logo_data.inc"
+TARGET_W = 384
+
+
+def main() -> None:
+    src = sys.argv[1] if len(sys.argv) > 1 else SRC
+    dst = sys.argv[2] if len(sys.argv) > 2 else DST
+    im = Image.open(src).convert("RGBA")
+    w0, h0 = im.size
+    scale = TARGET_W / w0
+    w, h = TARGET_W, max(1, round(h0 * scale))
+    im = im.resize((w, h), Image.LANCZOS)
+    px = im.load()
+
+    # background color: average of 4 corner pixels (5x5 patches)
+    rs = gs = bs = n = 0
+    for cx, cy in ((2, 2), (w - 3, 2), (2, h - 3), (w - 3, h - 3)):
+        for dy in range(-2, 3):
+            for dx in range(-2, 3):
+                r, g, b, _ = px[cx + dx, cy + dy]
+                rs += r; gs += g; bs += b; n += 1
+    r, g, b = rs // n, gs // n, bs // n
+    bg = 0xFF000000 | (r << 16) | (g << 8) | b
+
+    lines = []
+    lines.append("/* Auto-generated from ohMyLogo.png — panic screen logo (RGBA8888) */")
+    lines.append("/* DO NOT EDIT. Regenerate via: python gen_panic_logo.py */")
+    lines.append("")
+    lines.append(f"static const int g_panic_logo_w = {w};")
+    lines.append(f"static const int g_panic_logo_h = {h};")
+    lines.append(f"/* panic 界面背景色 = 图片四角平均色 RGB({r},{g},{b}) */")
+    lines.append(f"static const unsigned int g_panic_logo_bg = 0x{bg:08X}u;")
+    lines.append("static const unsigned char g_panic_logo_rgba[] = {")
+    for y in range(h):
+        row = []
+        base = y * w
+        for x in range(w):
+            r, g, b, a = px[x, y]
+            row.append(f"0x{r:02X},0x{g:02X},0x{b:02X},0x{a:02X}")
+        lines.append("    " + ",".join(row) + ",")
+    lines.append("};")
+    with open(dst, "w", encoding="utf-8") as f:
+        f.write("\n".join(lines) + "\n")
+    print(f"[gen_panic_logo] {w}x{h} bg=0x{bg:08X} -> {dst}")
+
+
+if __name__ == "__main__":
+    main()
+