only size down, not up

Author: rickwierenga

docs/contributor_guide/contributing-to-docs.md

@@ -17,18 +17,23 @@ def resize_image(input_path, output_path=None, width=720, quality=80):
   then save it as a compressed JPEG for web use.
   """
   img = Image.open(input_path)
-  w_percent = width / float(img.width)
-  height = int(img.height * w_percent)
 
-  resized = img.resize((width, height), Image.LANCZOS)
-  if resized.mode in ("RGBA", "P"):
-    resized = resized.convert("RGB")
+  if img.width > width:
+    w_percent = width / float(img.width)
+    height = int(img.height * w_percent)
+    img = img.resize((width, height), Image.LANCZOS)
+    print(f"Resized down to {width}x{height}")
+  else:
+    print(f"Skipping resize: image width ({img.width}px) <= target width ({width}px)")
+
+  if img.mode in ("RGBA", "P"):
+    img = img.convert("RGB")
 
   if output_path is None:
     base, _ = os.path.splitext(input_path)
     output_path = f"{base}_resized.jpg"
 
-  resized.save(output_path, "JPEG", quality=quality, optimize=True)
+  img.save(output_path, "JPEG", quality=quality, optimize=True)
   print(f"Saved: {output_path} ({width}×{height}, quality={quality}%)")
 
 if __name__ == "__main__":