Re-add --white background argument to maintain backwards compatibility

README.md

@@ -29,7 +29,7 @@ By default, outputs to `out.mp4`. Available options:
 
 ```bash
 usage: seewav [-h] [-r RATE] [--stereo] [-c COLOR] [-c2 COLOR2] [-o OPACITY]
-              [-B BARS] [-O OVERSAMPLE] [-C COORDS] [-b COLOR] [-i IMAGE]
+              [-B BARS] [-O OVERSAMPLE] [-C COORDS] [-b COLOR] [--white] [-i IMAGE]
               [-T TIME] [-S SPEED] [-W WIDTH] [-H HEIGHT] [-s SEEK] [-d DURATION]
               audio [out]
 
@@ -50,6 +50,7 @@ optional arguments:
                         stereo).
   -o OPACITY            The opacity of the waveform on the background.
   -b COLOR              Set background color. Default is black.
+  --white               Legacy toggle to use white background.
   -i IMAGE              Set background image.
   -C COORDS             Set the center of the bars relative to the image if used.
   -B BARS, --bars BARS  Number of bars on the video at once

seewav.py

@@ -341,6 +341,8 @@ def main():
                         type=parse_color,
                         dest="background",
                         help="Set the background. r,g,b` in [0, 1]. Default is black (0,0,0).")
+    parser.add_argument("--white", action="store_true",
+                        help="Use white background. Default is black.")
     parser.add_argument("-i",
                         "--image",
                         dest="image",
@@ -395,7 +397,7 @@ def main():
                   fg_color=args.color,
                   fg_color2=args.color2,
                   fg_opacity=args.opacity,
-                  bg_color=args.background,
+                  bg_color=[1.] * 3 if bool(args.white) else args.background,
                   bg_image=args.image,
                   center=args.center,
                   size=(args.width, args.height),