Add the --fill-area CLI option, update README

Close #8

README.rst

@@ -16,11 +16,6 @@ Installation
 
     pip install pictureshow
 
-Third-party dependencies:
-
-- `Pillow <https://pypi.org/project/Pillow/>`__
-- `reportlab <https://pypi.org/project/reportlab/>`__
-
 
 Usage
 =====
@@ -38,6 +33,8 @@ As a command line tool
 
     options:
       -h, --help            show this help message and exit
+      -a, --fill-area       fill drawing area with picture, ignoring the picture's
+                            aspect ratio
       -f, --force-overwrite
                             save to output filename even if file exists
       -L, --landscape       set landscape orientation of page; default is portrait
@@ -119,6 +116,7 @@ correspond to the above shown command line options:
         margin=72,
         layout=(1, 1),
         stretch_small=False,
+        fill_area=False,
         force_overwrite=False
     )
 
@@ -151,6 +149,7 @@ default values correspond to the above shown command line options:
         margin=72,
         layout=(1, 1),
         stretch_small=False,
+        fill_area=False,
         force_overwrite=False
     )
 

pictureshow/cli.py

@@ -9,6 +9,9 @@
 def get_args(parser):
     parser.add_argument('pictures', nargs='+', metavar='PICTURE',
                         help='one or more picture paths or URLs')
+    parser.add_argument('-a', '--fill-area', action='store_true',
+                        help="fill drawing area with picture, ignoring the picture's"
+                             " aspect ratio")
     parser.add_argument('-f', '--force-overwrite', action='store_true',
                         help='save to output filename even if file exists')
     parser.add_argument('-L', '--landscape', action='store_true',
@@ -92,6 +95,7 @@ def main():
             margin=args.margin,
             layout=args.layout,
             stretch_small=args.stretch_small,
+            fill_area=args.fill_area,
             force_overwrite=args.force_overwrite
         )
     except Exception as err: