Add width/height flags and correct default host paths

Pre-plan prep: -W/-H flags on generate.py with multiple-of-8 validation,
generate() gains width/height params, copyright line normalized, and the
wrapper defaults updated to the real host output/cache paths.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

2 files changed, 25 insertions, 5 deletions

diff --git a/generate.py b/generate.py
index ba437ae..5eed627 100644
--- a/generate.py
+++ b/generate.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright (C) 2026 Danilo
+# Copyright (C) 2026 Danilo M. <danix@danix.xyz>
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 2 as
@@ -53,7 +53,7 @@ def build_pipe():
     return pipe
 
 
-def generate(pipe, prompt, negative, steps, guidance, seed):
+def generate(pipe, prompt, negative, steps, guidance, seed, width, height):
     generator = None
     if seed is not None:
         generator = torch.Generator(device="xpu").manual_seed(seed)
@@ -65,6 +65,8 @@ def generate(pipe, prompt, negative, steps, guidance, seed):
         num_inference_steps=steps,
         guidance_scale=guidance,
         generator=generator,
+        width=width,
+        height=height,
     ).images[0]
     torch.xpu.synchronize()
     elapsed = time.time() - t
@@ -90,6 +92,20 @@ def main():
         help="Guidance scale / CFG (default: 7.0).",
     )
     ap.add_argument(
+        "-W",
+        "--width",
+        type=int,
+        default=1024,
+        help="Image width, multiple of 8 (default: 1024).",
+    )
+    ap.add_argument(
+        "-H",
+        "--height",
+        type=int,
+        default=1024,
+        help="Image height, multiple of 8 (default: 1024).",
+    )
+    ap.add_argument(
         "--seed",
         type=int,
         default=None,
@@ -103,6 +119,9 @@ def main():
     )
     args = ap.parse_args()
 
+    if args.width % 8 or args.height % 8:
+        ap.error("--width and --height must be multiples of 8 (SDXL constraint).")
+
     OUT_DIR.mkdir(parents=True, exist_ok=True)
 
     if args.out:
@@ -117,7 +136,8 @@ def main():
     print(f"Loaded in {time.time() - t0:.1f}s", file=sys.stderr)
 
     image, elapsed = generate(
-        pipe, args.prompt, args.negative, args.steps, args.guidance, args.seed
+        pipe, args.prompt, args.negative, args.steps, args.guidance, args.seed,
+        args.width, args.height,
     )
     image.save(out_path)
     print(f"Generated in {elapsed:.2f}s")
diff --git a/imggen b/imggen
index 374c326..39f0bb6 100644
--- a/imggen
+++ b/imggen
@@ -19,10 +19,10 @@ set -euo pipefail
 IMAGE="imggen:local"
 
 # Where generated images land on the host. Override with IMGGEN_OUT.
-OUT_DIR="${IMGGEN_OUT:-$HOME/imggen-out}"
+OUT_DIR="${IMGGEN_OUT:-$HOME/Pictures/AI-gen}"
 
 # Persistent model cache on the host. Override with IMGGEN_CACHE.
-CACHE_DIR="${IMGGEN_CACHE:-$HOME/.cache/imggen-models}"
+CACHE_DIR="${IMGGEN_CACHE:-/data/LLM-models/imggen-models}"
 
 mkdir -p "$OUT_DIR" "$CACHE_DIR"