1 import colorsys\r
2 \r
3 print '''GIMP Palette\r
4 Name: Inkscape default\r
5 Columns: 3\r
6 # generated by PaletteGen.py'''\r
7 \r
8 \r
9 # grays\r
10 \r
11 g_steps = 10\r
12 g_step_size = 1.0 / g_steps\r
13 \r
14 for i in range(0, g_steps + 1):\r
15 level = i * g_step_size\r
16 r, g, b = colorsys.hls_to_rgb(0, level, 0)\r
17 \r
18 rval = int(round(r * 255))\r
19 gval = int(round(g * 255))\r
20 bval = int(round(b * 255))\r
21 \r
22 if i == 0:\r
23 line = "%3s %3s %3s Black" % (rval, gval, bval)\r
24 elif i == g_steps:\r
25 line = "%3s %3s %3s White" % (rval, gval, bval)\r
26 else:\r
27 line = "%3s %3s %3s %s%% Gray" % (rval, gval, bval, 100 - int(level * 100))\r
28 print line\r
29 \r
30 # add three more steps near white\r
31 if i == g_steps - 1:\r
32 level_m = level + 0.25 * g_step_size\r
33 r, g, b = colorsys.hls_to_rgb(0, level_m, 0)\r
34 rval = int(round(r * 255))\r
35 gval = int(round(g * 255))\r
36 bval = int(round(b * 255))\r
37 print "%3s %3s %3s %s%% Gray" % (rval, gval, bval, 100 - (level_m * 100))\r
38 \r
39 level_m = level + 0.5 * g_step_size\r
40 r, g, b = colorsys.hls_to_rgb(0, level_m, 0)\r
41 rval = int(round(r * 255))\r
42 gval = int(round(g * 255))\r
43 bval = int(round(b * 255))\r
44 print "%3s %3s %3s %s%% Gray" % (rval, gval, bval, 100 - int(level_m * 100))\r
45 \r
46 level_mm = level + 0.75 * g_step_size\r
47 r, g, b = colorsys.hls_to_rgb(0, level_mm, 0)\r
48 rval = int(round(r * 255))\r
49 gval = int(round(g * 255))\r
50 bval = int(round(b * 255))\r
51 print "%3s %3s %3s %s%% Gray" % (rval, gval, bval, 100 - (level_mm * 100))\r
52 \r
53 \r
54 # standard HTML colors\r
55 print '''128 0 0 Maroon (#800000)\r
56 255 0 0 Red (#FF0000)\r
57 128 128 0 Olive (#808000)\r
58 255 255 0 Yellow (#FFFF00)\r
59 0 128 0 Green (#008000)\r
60 0 255 0 Lime (#00FF00)\r
61 0 128 128 Teal (#008080)\r
62 0 255 255 Aqua (#00FFFF)\r
63 0 0 128 Navy (#000080)\r
64 0 0 255 Blue (#0000FF)\r
65 128 0 128 Purple (#800080)\r
66 255 0 255 Fuchsia (#FF00FF)'''\r
67 \r
68 # HSL palette\r
69 h_steps = 15\r
70 s_steps = 3\r
71 l_steps = 14\r
72 h_step_size = 1.0 / h_steps\r
73 s_step_size = 1.3 / s_steps\r
74 \r
75 for h in range(0, h_steps):\r
76 for s in range(0, s_steps):\r
77 l_range = int(round(l_steps - (s*6/s_steps))) - 2\r
78 l_step_size = 1.0 / l_range\r
79 for l in range(1, l_range):\r
80 hval = h * h_step_size\r
81 sval = 1 - (s * s_step_size)\r
82 lval = l * l_step_size\r
83 \r
84 r, g, b = colorsys.hls_to_rgb(hval, lval, sval)\r
85 \r
86 rval = int(round(r * 255))\r
87 gval = int(round(g * 255))\r
88 bval = int(round(b * 255))\r
89 \r
90 line = "%3s %3s %3s #%02X%02X%02X" % (rval, gval, bval, rval, gval, bval)\r
91 print line\r