File size: 6,373 Bytes
3e0dba3 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 |
# Copyright (c) 2013 by Miguel Grinberg
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is furnished
# to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
import optparse
from PIL import Image, ImageSequence
matrices = {
'true': [ [ 0.299, 0.587, 0.114, 0, 0, 0, 0, 0, 0 ], [ 0, 0, 0, 0, 0, 0, 0.299, 0.587, 0.114 ] ],
'mono': [ [ 0.299, 0.587, 0.114, 0, 0, 0, 0, 0, 0 ], [ 0, 0, 0, 0.299, 0.587, 0.114, 0.299, 0.587, 0.114 ] ],
'color': [ [ 1, 0, 0, 0, 0, 0, 0, 0, 0 ], [ 0, 0, 0, 0, 1, 0, 0, 0, 1 ] ],
'halfcolor': [ [ 0.299, 0.587, 0.114, 0, 0, 0, 0, 0, 0 ], [ 0, 0, 0, 0, 1, 0, 0, 0, 1 ] ],
'optimized': [ [ 0, 0.7, 0.3, 0, 0, 0, 0, 0, 0 ], [ 0, 0, 0, 0, 1, 0, 0, 0, 1 ] ],
}
def make_anaglyph(left, right, color, path):
width, height = left.size
leftMap = left.load()
rightMap = right.load()
m = matrices[color]
for y in range(0, height):
for x in range(0, width):
r1, g1, b1 = leftMap[x, y]
r2, g2, b2 = rightMap[x, y]
leftMap[x, y] = (
int(r1*m[0][0] + g1*m[0][1] + b1*m[0][2] + r2*m[1][0] + g2*m[1][1] + b2*m[1][2]),
int(r1*m[0][3] + g1*m[0][4] + b1*m[0][5] + r2*m[1][3] + g2*m[1][4] + b2*m[1][5]),
int(r1*m[0][6] + g1*m[0][7] + b1*m[0][8] + r2*m[1][6] + g2*m[1][7] + b2*m[1][8])
)
left.save(path)
def make_stereopair(left, right, color, path):
width, height = left.size
leftMap = left.load()
rightMap = right.load()
pair = Image.new('RGB', (width * 2, height))
pairMap = pair.load()
for y in range(0, height):
for x in range(0, width):
pairMap[x, y] = leftMap[x, y]
pairMap[x + width, y] = rightMap[x, y]
if color == 'mono':
pair = pair.convert('L')
pair.save(path)
def make_wiggle3d(left, right, color, path):
if color == 'mono':
left = left.convert('L')
right = right.convert('L')
#writeGif(path, [left, right], 0.1, True, False, 0, False, 2)
left.save(path, save_all=True, append_images=[right], duration=0.1, loop=0,
dispose=2)
def parse_arguments():
parser = optparse.OptionParser(usage = 'usage: %prog [options] left_image right_image stereo_image')
group = optparse.OptionGroup(parser, "Stereo image options")
group.add_option('-a', '--anaglyph',
action = 'store_const', const = 'anaglyph', dest = 'type', default = 'anaglyph',
help = 'generate a stereo anaglyph (default)')
group.add_option('-p', '--parallel',
action = 'store_const', const = 'parallel', dest = 'type',
help = 'generate a parallel viewing stereo pair')
group.add_option('-x', '--crossed',
action = 'store_const', const = 'crossed', dest = 'type',
help = 'generate a crossed viewing stereo pair')
group.add_option('-w', '--wiggle',
action = 'store_const', const = 'wiggle', dest = 'type',
help = 'generate a "Wiggle 3D" animated GIF file')
parser.add_option_group(group)
group = optparse.OptionGroup(parser, "Color options")
group.add_option('-t', '--true',
action = 'store_const', const = 'true', dest = 'color',
help = 'generate a true color picture')
group.add_option('-m', '--mono',
action = 'store_const', const = 'mono', dest = 'color',
help = 'generate a monochrome picture')
group.add_option('-c', '--color',
action = 'store_const', const = 'color', dest = 'color',
help = 'generate a color picture')
group.add_option('-f', '--halfcolor',
action = 'store_const', const = 'halfcolor', dest = 'color',
help = 'generate a half color picture')
group.add_option('-o', '--optimized',
action = 'store_const', const = 'optimized', dest = 'color', default = 'optimized',
help = 'generate an optimized color picture (default)')
parser.add_option_group(group)
group = optparse.OptionGroup(parser, "Other options")
group.add_option('-r', '--resize',
action = 'store', type = 'int', dest = 'size', default = 0,
help = 'resize image to the given width (height is automatically calculated to preserve aspect ratio)')
parser.add_option_group(group)
options, args = parser.parse_args()
if len(args) != 3:
parser.error('wrong number of arguments')
leftImage = Image.open(args[0])
pixelMap = leftImage.load()
rightImage = Image.open(args[1])
if leftImage.size != rightImage.size:
parser.error('left and right images must have the same size')
if options.size > 0:
width, height = leftImage.size
leftImage = leftImage.resize((options.size, options.size * height / width), Image.ANTIALIAS)
rightImage = rightImage.resize((options.size, options.size * height / width), Image.ANTIALIAS)
return options, leftImage, rightImage, args[2]
def main():
options, leftImage, rightImage, stereoPath = parse_arguments()
if options.type == 'anaglyph':
make_anaglyph(leftImage, rightImage, options.color, stereoPath)
elif options.type == 'parallel':
make_stereopair(leftImage, rightImage, options.color, stereoPath)
elif options.type == 'crossed':
make_stereopair(rightImage, leftImage, options.color, stereoPath)
elif options.type == 'wiggle':
make_wiggle3d(leftImage, rightImage, options.color, stereoPath)
if __name__ == '__main__':
main() |