diff options
Diffstat (limited to 'Demo/sgi/video/vcopy.py')
| -rwxr-xr-x | Demo/sgi/video/vcopy.py | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/Demo/sgi/video/vcopy.py b/Demo/sgi/video/vcopy.py index fe012ea..d32bc1f 100755 --- a/Demo/sgi/video/vcopy.py +++ b/Demo/sgi/video/vcopy.py @@ -5,12 +5,18 @@ import getopt from gl import * from DEVICE import * import VFile +import string +import imageop def report(time, iframe): print 'Frame', iframe, ': t =', time def usage(): - sys.stderr.write('usage: vcopy infile outfile\n') + sys.stderr.write('usage: vcopy [-t type] [-m treshold] [-a] infile outfile\n') + sys.stderr.write('-t Convert to other type\n') + sys.stderr.write('-a Automatic\n') + sys.stderr.write('-m Convert grey to mono with treshold\n') + sys.stderr.write('-d Convert grey to mono with dithering\n') sys.exit(2) def help(): @@ -20,7 +26,7 @@ def help(): def main(): foreground() - opts, args = getopt.getopt(sys.argv[1:], 't:a') + opts, args = getopt.getopt(sys.argv[1:], 't:am:d') if len(args) <> 2: usage() [ifile, ofile] = args @@ -33,12 +39,28 @@ def main(): use_grabber = 0 continuous = 0 + tomono = 0 + tomonodither = 0 for o, a in opts: if o == '-t': ofilm.format = a use_grabber = 1 if o == '-a': continuous = 1 + if o == '-m': + if ifilm.format <> 'grey': + print '-m only supported for greyscale' + sys.exit(1) + tomono = 1 + treshold = string.atoi(a) + ofilm.format = 'mono' + if o == '-d': + if ifilm.format <> 'grey': + print '-m only supported for greyscale' + sys.exit(1) + tomonodither = 1 + ofilm.format = 'mono' + ofilm.writeheader() # prefsize(ifilm.width, ifilm.height) @@ -83,6 +105,13 @@ def main(): if c == 'w' or continuous: if use_grabber: data, cdata = ofilm.grabframe() + if tomono: + data = imageop.grey2mono(data, \ + ifilm.width, ifilm.height, \ + treshold) + if tomonodither: + data = imageop.dither2mono(data, \ + ifilm.width, ifilm.height) ofilm.writeframe(time, data, cdata) print 'Frame', iframe, 'written.' if c == 'n' or continuous: |