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
|
# 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.
"""
Generate a colorscheme using imagemagick.
"""
import logging
import re
import shutil
import subprocess
import sys
from .. import util
def imagemagick(color_count, img, magick_command):
"""Call Imagemagick to generate a scheme."""
flags = ["-resize", "25%", "-colors", str(color_count), "-unique-colors", "txt:-"]
img += "[0]"
return subprocess.check_output([*magick_command, img, *flags]).splitlines()
def has_im():
"""Check to see if the user has im installed."""
if shutil.which("magick"):
return ["magick"]
if shutil.which("convert"):
return ["convert"]
logging.error("Imagemagick wasn't found on your system.")
logging.error("Try another backend. (wal --backend)")
sys.exit(1)
def gen_colors(img):
"""Format the output from imagemagick into a list
of hex colors."""
magick_command = has_im()
for i in range(0, 20, 1):
raw_colors = imagemagick(16 + i, img, magick_command)
if len(raw_colors) > 16:
break
if i == 19:
logging.error("Imagemagick couldn't generate a suitable palette.")
sys.exit(1)
else:
logging.warning("Imagemagick couldn't generate a palette.")
logging.warning("Trying a larger palette size %s", 16 + i)
return [re.search("#.{6}", str(col)).group(0) for col in raw_colors[1:]]
def adjust(colors, light):
"""Adjust the generated colors and store them in a dict that
we will later save in json format."""
raw_colors = colors[:1] + colors[8:16] + colors[8:-1]
# Manually adjust colors.
if light:
for color in raw_colors:
color = util.saturate_color(color, 0.5)
raw_colors[0] = util.lighten_color(colors[-1], 0.85)
raw_colors[7] = colors[0]
raw_colors[8] = util.darken_color(colors[-1], 0.4)
raw_colors[15] = colors[0]
else:
# Darken the background color slightly.
if raw_colors[0][1] != "0":
raw_colors[0] = util.darken_color(raw_colors[0], 0.40)
raw_colors[7] = util.blend_color(raw_colors[7], "#EEEEEE")
raw_colors[8] = util.darken_color(raw_colors[7], 0.30)
raw_colors[15] = util.blend_color(raw_colors[15], "#EEEEEE")
return raw_colors
def get(img, light=False):
"""Get colorscheme."""
colors = gen_colors(img)
return adjust(colors, light)
|