Add x2wincur command

setup.py

@@ -13,7 +13,8 @@ setup(
 
     entry_points={
         'console_scripts': [
-            'win2xcur = win2xcur.main:main',
+            'win2xcur = win2xcur.main.win2xcur:main',
+            'x2wincur = win2xcur.main.x2wincur:main',
         ],
     },
 

win2xcur/main/win2xcur.py

@@ -9,7 +9,8 @@ from typing import BinaryIO
 
 from win2xcur import shadow
 from win2xcur.parser import open_blob
-from win2xcur.writer.x11 import check_xcursorgen, to_x11
+from win2xcur.writer import to_x11
+from win2xcur.writer.x11 import check_xcursorgen
 
 
 def main() -> None:

win2xcur/main/x2wincur.py

@@ -0,0 +1,44 @@
+import argparse
+import os
+import sys
+import traceback
+from multiprocessing import cpu_count
+from multiprocessing.pool import ThreadPool
+from threading import Lock
+from typing import BinaryIO
+
+from win2xcur.parser import open_blob
+from win2xcur.writer.windows import to_smart
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(description='Converts Windows cursors to X11 cursors.')
+    parser.add_argument('files', type=argparse.FileType('rb'), nargs='+',
+                        help='X11 cursor files to convert (no extension)')
+    parser.add_argument('-o', '--output', '--output-dir', default=os.curdir,
+                        help='Directory to store converted cursor files.')
+
+    args = parser.parse_args()
+    print_lock = Lock()
+
+    def process(file: BinaryIO) -> None:
+        name = file.name
+        blob = file.read()
+        try:
+            cursor = open_blob(blob)
+        except Exception:
+            with print_lock:
+                print('Error occurred while processing %s:' % (name,), file=sys.stderr)
+                traceback.print_exc()
+        else:
+            ext, result = to_smart(cursor.frames)
+            output = os.path.join(args.output, os.path.basename(name) + ext)
+            with open(output, 'wb') as f:
+                f.write(result)
+
+    with ThreadPool(cpu_count()) as pool:
+        pool.map(process, args.files)
+
+
+if __name__ == '__main__':
+    main()

win2xcur/writer/windows.py

@@ -1,6 +1,6 @@
 from io import BytesIO
 from itertools import chain
-from typing import List
+from typing import List, Tuple
 
 from win2xcur.cursor import CursorFrame
 from win2xcur.parser import ANIParser, CURParser
@@ -60,3 +60,10 @@ def to_ani(frames: List[CursorFrame]) -> bytes:
     ]
     body = b''.join(chunks)
     return ANIParser.RIFF_HEADER.pack(ANIParser.SIGNATURE, len(body) + 4, ANIParser.ANI_TYPE) + body
+
+
+def to_smart(frames: List[CursorFrame]) -> Tuple[str, bytes]:
+    if len(frames) == 1:
+        return '.cur', to_cur(frames[0])
+    else:
+        return '.ani', to_ani(frames)