Add ability to scale cursor images

win2xcur/main/win2xcur.py

@@ -7,7 +7,7 @@
 from threading import Lock
 from typing import BinaryIO
 
-from win2xcur import shadow
+from win2xcur import scale, shadow
 from win2xcur.parser import open_blob
 from win2xcur.writer import to_x11
 
@@ -32,6 +32,8 @@ def main() -> None:
  help='y-offset of shadow (as fraction of height)')
  parser.add_argument('-c', '--shadow-color', default='#000000',
  help='color of the shadow')
+ parser.add_argument('-S', '--scale', default=None, type=float,
+ help='Scale the cursor by the specified factor.')
 
  args = parser.parse_args()
  print_lock = Lock()
@@ -46,6 +48,8 @@ def process(file: BinaryIO) -> None:
  print(f'Error occurred while processing {name}:', file=sys.stderr)
  traceback.print_exc()
  else:
+ if args.scale:
+ scale.apply_to_frames(cursor.frames, scale=args.scale)
  if args.shadow:
  shadow.apply_to_frames(cursor.frames, color=args.shadow_color, radius=args.shadow_radius,
  sigma=args.shadow_sigma, xoffset=args.shadow_x, yoffset=args.shadow_y)

win2xcur/main/x2wincur.py

@@ -7,6 +7,7 @@
 from threading import Lock
 from typing import BinaryIO
 
+from win2xcur import scale
 from win2xcur.parser import open_blob
 from win2xcur.writer import to_smart
 
@@ -17,6 +18,8 @@ def main() -> None:
  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.')
+ parser.add_argument('-S', '--scale', default=None, type=float,
+ help='Scale the cursor by the specified factor.')
 
  args = parser.parse_args()
  print_lock = Lock()
@@ -31,6 +34,8 @@ def process(file: BinaryIO) -> None:
  print(f'Error occurred while processing {name}:', file=sys.stderr)
  traceback.print_exc()
  else:
+ if args.scale:
+ scale.apply_to_frames(cursor.frames, scale=args.scale)
  ext, result = to_smart(cursor.frames)
  output = os.path.join(args.output, os.path.basename(name) + ext)
  with open(output, 'wb') as f:

win2xcur/scale.py

@@ -0,0 +1,12 @@
+from typing import List
+
+from win2xcur.cursor import CursorFrame
+
+
+def apply_to_frames(frames: List[CursorFrame], *, scale: float) -> None:
+ for frame in frames:
+ for cursor in frame:
+ cursor.image.scale(
+ int(round(cursor.image.width * scale)),
+ int(round(cursor.image.height) * scale),
+ )