-from PIL import Image,ImageFilter
+from PIL import Image
from functools import partial
+from .config import *
-import sys,os
+import sys
+import os
+
+"""
+This file is borrowed from following gist:
+https://gist.github.com/MicahElliott/719710
+It's too slow in compare with C program.
+"""
CLUT = [ # color look-up table
-# 8-bit, RGB hex
+ # 8-bit, RGB hex
# Primary 3-bit (8 colors). Unique representation!
- ('00', '000000'),
- ('01', '800000'),
- ('02', '008000'),
- ('03', '808000'),
- ('04', '000080'),
- ('05', '800080'),
- ('06', '008080'),
- ('07', 'c0c0c0'),
+ ('00', '000000'),
+ ('01', '800000'),
+ ('02', '008000'),
+ ('03', '808000'),
+ ('04', '000080'),
+ ('05', '800080'),
+ ('06', '008080'),
+ ('07', 'c0c0c0'),
# Equivalent "bright" versions of original 8 colors.
- ('08', '808080'),
- ('09', 'ff0000'),
- ('10', '00ff00'),
- ('11', 'ffff00'),
- ('12', '0000ff'),
- ('13', 'ff00ff'),
- ('14', '00ffff'),
- ('15', 'ffffff'),
+ ('08', '808080'),
+ ('09', 'ff0000'),
+ ('10', '00ff00'),
+ ('11', 'ffff00'),
+ ('12', '0000ff'),
+ ('13', 'ff00ff'),
+ ('14', '00ffff'),
+ ('15', 'ffffff'),
# Strictly ascending.
- ('16', '000000'),
- ('17', '00005f'),
- ('18', '000087'),
- ('19', '0000af'),
- ('20', '0000d7'),
- ('21', '0000ff'),
- ('22', '005f00'),
- ('23', '005f5f'),
- ('24', '005f87'),
- ('25', '005faf'),
- ('26', '005fd7'),
- ('27', '005fff'),
- ('28', '008700'),
- ('29', '00875f'),
- ('30', '008787'),
- ('31', '0087af'),
- ('32', '0087d7'),
- ('33', '0087ff'),
- ('34', '00af00'),
- ('35', '00af5f'),
- ('36', '00af87'),
- ('37', '00afaf'),
- ('38', '00afd7'),
- ('39', '00afff'),
- ('40', '00d700'),
- ('41', '00d75f'),
- ('42', '00d787'),
- ('43', '00d7af'),
- ('44', '00d7d7'),
- ('45', '00d7ff'),
- ('46', '00ff00'),
- ('47', '00ff5f'),
- ('48', '00ff87'),
- ('49', '00ffaf'),
- ('50', '00ffd7'),
- ('51', '00ffff'),
- ('52', '5f0000'),
- ('53', '5f005f'),
- ('54', '5f0087'),
- ('55', '5f00af'),
- ('56', '5f00d7'),
- ('57', '5f00ff'),
- ('58', '5f5f00'),
- ('59', '5f5f5f'),
- ('60', '5f5f87'),
- ('61', '5f5faf'),
- ('62', '5f5fd7'),
- ('63', '5f5fff'),
- ('64', '5f8700'),
- ('65', '5f875f'),
- ('66', '5f8787'),
- ('67', '5f87af'),
- ('68', '5f87d7'),
- ('69', '5f87ff'),
- ('70', '5faf00'),
- ('71', '5faf5f'),
- ('72', '5faf87'),
- ('73', '5fafaf'),
- ('74', '5fafd7'),
- ('75', '5fafff'),
- ('76', '5fd700'),
- ('77', '5fd75f'),
- ('78', '5fd787'),
- ('79', '5fd7af'),
- ('80', '5fd7d7'),
- ('81', '5fd7ff'),
- ('82', '5fff00'),
- ('83', '5fff5f'),
- ('84', '5fff87'),
- ('85', '5fffaf'),
- ('86', '5fffd7'),
- ('87', '5fffff'),
- ('88', '870000'),
- ('89', '87005f'),
- ('90', '870087'),
- ('91', '8700af'),
- ('92', '8700d7'),
- ('93', '8700ff'),
- ('94', '875f00'),
- ('95', '875f5f'),
- ('96', '875f87'),
- ('97', '875faf'),
- ('98', '875fd7'),
- ('99', '875fff'),
+ ('16', '000000'),
+ ('17', '00005f'),
+ ('18', '000087'),
+ ('19', '0000af'),
+ ('20', '0000d7'),
+ ('21', '0000ff'),
+ ('22', '005f00'),
+ ('23', '005f5f'),
+ ('24', '005f87'),
+ ('25', '005faf'),
+ ('26', '005fd7'),
+ ('27', '005fff'),
+ ('28', '008700'),
+ ('29', '00875f'),
+ ('30', '008787'),
+ ('31', '0087af'),
+ ('32', '0087d7'),
+ ('33', '0087ff'),
+ ('34', '00af00'),
+ ('35', '00af5f'),
+ ('36', '00af87'),
+ ('37', '00afaf'),
+ ('38', '00afd7'),
+ ('39', '00afff'),
+ ('40', '00d700'),
+ ('41', '00d75f'),
+ ('42', '00d787'),
+ ('43', '00d7af'),
+ ('44', '00d7d7'),
+ ('45', '00d7ff'),
+ ('46', '00ff00'),
+ ('47', '00ff5f'),
+ ('48', '00ff87'),
+ ('49', '00ffaf'),
+ ('50', '00ffd7'),
+ ('51', '00ffff'),
+ ('52', '5f0000'),
+ ('53', '5f005f'),
+ ('54', '5f0087'),
+ ('55', '5f00af'),
+ ('56', '5f00d7'),
+ ('57', '5f00ff'),
+ ('58', '5f5f00'),
+ ('59', '5f5f5f'),
+ ('60', '5f5f87'),
+ ('61', '5f5faf'),
+ ('62', '5f5fd7'),
+ ('63', '5f5fff'),
+ ('64', '5f8700'),
+ ('65', '5f875f'),
+ ('66', '5f8787'),
+ ('67', '5f87af'),
+ ('68', '5f87d7'),
+ ('69', '5f87ff'),
+ ('70', '5faf00'),
+ ('71', '5faf5f'),
+ ('72', '5faf87'),
+ ('73', '5fafaf'),
+ ('74', '5fafd7'),
+ ('75', '5fafff'),
+ ('76', '5fd700'),
+ ('77', '5fd75f'),
+ ('78', '5fd787'),
+ ('79', '5fd7af'),
+ ('80', '5fd7d7'),
+ ('81', '5fd7ff'),
+ ('82', '5fff00'),
+ ('83', '5fff5f'),
+ ('84', '5fff87'),
+ ('85', '5fffaf'),
+ ('86', '5fffd7'),
+ ('87', '5fffff'),
+ ('88', '870000'),
+ ('89', '87005f'),
+ ('90', '870087'),
+ ('91', '8700af'),
+ ('92', '8700d7'),
+ ('93', '8700ff'),
+ ('94', '875f00'),
+ ('95', '875f5f'),
+ ('96', '875f87'),
+ ('97', '875faf'),
+ ('98', '875fd7'),
+ ('99', '875fff'),
('100', '878700'),
('101', '87875f'),
('102', '878787'),
('255', 'eeeeee'),
]
+
def _create_dicts():
short2rgb_dict = dict(CLUT)
rgb2short_dict = {}
def hex_to_rgb(value):
value = value.lstrip('#')
lv = len(value)
- return tuple(int(value[i:i+lv/3], 16) for i in range(0, lv, lv/3))
+ return tuple(int(value[i:i + lv / 3], 16) for i in range(0, lv, lv / 3))
def rgb_to_hex(rgb):
def rgb2short(r, g, b):
- dist = lambda s,d: (s[0]-d[0])**2+(s[1]-d[1])**2+(s[2]-d[2])**2
+ dist = lambda s, d: (s[0] - d[0]) ** 2 + \
+ (s[1] - d[1]) ** 2 + (s[2] - d[2]) ** 2
ary = [hex_to_rgb(hex) for hex in RGB2SHORT_DICT]
- m = min(ary, key=partial(dist, (r,g,b)))
+ m = min(ary, key=partial(dist, (r, g, b)))
return RGB2SHORT_DICT[rgb_to_hex(m)]
-def image_to_display(path):
- i = Image.open(path)
+
+def image_to_display(path,start=None,length=None):
+ rows, columns = os.popen('stty size', 'r').read().split()
+ if not start:
+ start = IMAGE_SHIFT
+ if not length:
+ length = int(columns) - 2 * start
+ i = Image.open(path)
i = i.convert('RGBA')
- w,h = i.size
+ w, h = i.size
i.load()
- rows, columns = os.popen('stty size', 'r').read().split()
- width = min(w, int(columns)-2*6)
+ width = min(w, length)
height = int(float(h) * (float(width) / float(w)))
height //= 2
i = i.resize((width, height), Image.BICUBIC)
- height = min(height,30)
+ height = min(height, IMAGE_MAX_HEIGHT)
for y in xrange(height):
- print ' '*6 ,
+ print ' ' * start,
for x in xrange(width):
- p = i.getpixel((x,y))
+ p = i.getpixel((x, y))
r, g, b = p[:3]
- pixel_print(rgb2short(r,g,b))
+ pixel_print(rgb2short(r, g, b))
print ''
if __name__ == '__main__':
image_to_display(sys.argv[1])
-
projects / rainbowstream.git / blobdiff