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Add alpha channel

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Star Brilliant 2013-09-15 13:24:46 +08:00
parent 1bb8360c07
commit 99e41478d4
1 changed files with 7 additions and 6 deletions
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13
convert.py
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@ -8,8 +8,8 @@ import sys
import xml.dom.minidom
def ProcessComments(comments, f, width, height, bottomReserved, fontface, fontsize, lifetime, reduced):
WriteASSHead(f, width, height, fontface, fontsize)
def ProcessComments(comments, f, width, height, bottomReserved, fontface, fontsize, alpha, lifetime, reduced):
WriteASSHead(f, width, height, fontface, fontsize, alpha)
rows = [[None]*(height-bottomReserved), [None]*(height-bottomReserved), [None]*(height-bottomReserved)]
for i in comments:
row = 0
@ -104,7 +104,7 @@ def ConvertTimestamp(timestamp):
return '%d:%02d:%02d.%02d' % (int(hour), int(minute), int(second), centsecond)
def WriteASSHead(f, width, height, fontface, fontsize):
def WriteASSHead(f, width, height, fontface, fontsize, alpha):
f.write(
'''[Script Info]
ScriptType: v4.00+
@ -114,11 +114,11 @@ PlayResY: %(height)s
[V4+ Styles]
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
Style: Default, %(fontface)s, %(fontsize)s, &H00FFFFFF, &H00FFFFFF, &H00000000, &H00000000, 0, 0, 0, 0, 100, 100, 0.00, 0.00, 1, 1, 0, 2, 20, 20, 20, 0
Style: Default, %(fontface)s, %(fontsize)s, &H%(alpha)02XFFFFFF, &H%(alpha)02XFFFFFF, &H%(alpha)02X000000, &H%(alpha)02X000000, 0, 0, 0, 0, 100, 100, 0.00, 0.00, 1, 1, 0, 2, 20, 20, 20, 0
[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
''' % {'width': width, 'height': height, 'fontface': fontface, 'fontsize': fontsize}
''' % {'width': width, 'height': height, 'fontface': fontface, 'fontsize': fontsize, 'alpha': 255-round(alpha*255)}
)
@ -141,6 +141,7 @@ if __name__ == '__main__':
parser.add_argument('-s', '--size', metavar='WIDTHxHEIGHT', required=True, help='Stage size in pixels')
parser.add_argument('-fn', '--font', metavar='FONT', help='Specify font face', default='黑体')
parser.add_argument('-fs', '--fontsize', metavar='SIZE', help='Default font size', type=float, default=25.0)
parser.add_argument('-a', '--alpha', metavar='ALPHA', help='Text opaque', type=float, default=1.0)
parser.add_argument('-l', '--lifetime', metavar='SECONDS', help='Duration of comment display', type=float, default=5.0)
parser.add_argument('-p', '--protect', metavar='HEIGHT', help='Reserve blank on the bottom of the stage', type=int, default=0)
parser.add_argument('-r', '--reduce', action='store_true', help='Reduce the amount of danmakus if stage is full')
@ -162,6 +163,6 @@ if __name__ == '__main__':
else:
fo = sys.stdout
comments.sort()
ProcessComments(comments, fo, width, height, args.protect, args.font, args.fontsize, args.lifetime, args.reduce)
ProcessComments(comments, fo, width, height, args.protect, args.font, args.fontsize, args.alpha, args.lifetime, args.reduce)
if args.output:
fo.close()