From abd2b4e8990c054013057401cb67a985066cb41c Mon Sep 17 00:00:00 2001 From: mono-b Date: Sat, 24 Dec 2022 03:54:06 -0300 Subject: added new --- hext256.py | 347 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 347 insertions(+) create mode 100755 hext256.py (limited to 'hext256.py') diff --git a/hext256.py b/hext256.py new file mode 100755 index 0000000..538eaa6 --- /dev/null +++ b/hext256.py @@ -0,0 +1,347 @@ +#! /usr/bin/env python + +import sys, re + +CLUT = [ # color look-up table + ('00', '000000'), + ('01', '800000'), + ('02', '008000'), + ('03', '808000'), + ('04', '000080'), + ('05', '800080'), + ('06', '008080'), + ('07', 'c0c0c0'), + ('08', '808080'), + ('09', 'ff0000'), + ('10', '00ff00'), + ('11', 'ffff00'), + ('12', '0000ff'), + ('13', 'ff00ff'), + ('14', '00ffff'), + ('15', 'ffffff'), + ('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'), + ('103', '8787af'), + ('104', '8787d7'), + ('105', '8787ff'), + ('106', '87af00'), + ('107', '87af5f'), + ('108', '87af87'), + ('109', '87afaf'), + ('110', '87afd7'), + ('111', '87afff'), + ('112', '87d700'), + ('113', '87d75f'), + ('114', '87d787'), + ('115', '87d7af'), + ('116', '87d7d7'), + ('117', '87d7ff'), + ('118', '87ff00'), + ('119', '87ff5f'), + ('120', '87ff87'), + ('121', '87ffaf'), + ('122', '87ffd7'), + ('123', '87ffff'), + ('124', 'af0000'), + ('125', 'af005f'), + ('126', 'af0087'), + ('127', 'af00af'), + ('128', 'af00d7'), + ('129', 'af00ff'), + ('130', 'af5f00'), + ('131', 'af5f5f'), + ('132', 'af5f87'), + ('133', 'af5faf'), + ('134', 'af5fd7'), + ('135', 'af5fff'), + ('136', 'af8700'), + ('137', 'af875f'), + ('138', 'af8787'), + ('139', 'af87af'), + ('140', 'af87d7'), + ('141', 'af87ff'), + ('142', 'afaf00'), + ('143', 'afaf5f'), + ('144', 'afaf87'), + ('145', 'afafaf'), + ('146', 'afafd7'), + ('147', 'afafff'), + ('148', 'afd700'), + ('149', 'afd75f'), + ('150', 'afd787'), + ('151', 'afd7af'), + ('152', 'afd7d7'), + ('153', 'afd7ff'), + ('154', 'afff00'), + ('155', 'afff5f'), + ('156', 'afff87'), + ('157', 'afffaf'), + ('158', 'afffd7'), + ('159', 'afffff'), + ('160', 'd70000'), + ('161', 'd7005f'), + ('162', 'd70087'), + ('163', 'd700af'), + ('164', 'd700d7'), + ('165', 'd700ff'), + ('166', 'd75f00'), + ('167', 'd75f5f'), + ('168', 'd75f87'), + ('169', 'd75faf'), + ('170', 'd75fd7'), + ('171', 'd75fff'), + ('172', 'd78700'), + ('173', 'd7875f'), + ('174', 'd78787'), + ('175', 'd787af'), + ('176', 'd787d7'), + ('177', 'd787ff'), + ('178', 'd7af00'), + ('179', 'd7af5f'), + ('180', 'd7af87'), + ('181', 'd7afaf'), + ('182', 'd7afd7'), + ('183', 'd7afff'), + ('184', 'd7d700'), + ('185', 'd7d75f'), + ('186', 'd7d787'), + ('187', 'd7d7af'), + ('188', 'd7d7d7'), + ('189', 'd7d7ff'), + ('190', 'd7ff00'), + ('191', 'd7ff5f'), + ('192', 'd7ff87'), + ('193', 'd7ffaf'), + ('194', 'd7ffd7'), + ('195', 'd7ffff'), + ('196', 'ff0000'), + ('197', 'ff005f'), + ('198', 'ff0087'), + ('199', 'ff00af'), + ('200', 'ff00d7'), + ('201', 'ff00ff'), + ('202', 'ff5f00'), + ('203', 'ff5f5f'), + ('204', 'ff5f87'), + ('205', 'ff5faf'), + ('206', 'ff5fd7'), + ('207', 'ff5fff'), + ('208', 'ff8700'), + ('209', 'ff875f'), + ('210', 'ff8787'), + ('211', 'ff87af'), + ('212', 'ff87d7'), + ('213', 'ff87ff'), + ('214', 'ffaf00'), + ('215', 'ffaf5f'), + ('216', 'ffaf87'), + ('217', 'ffafaf'), + ('218', 'ffafd7'), + ('219', 'ffafff'), + ('220', 'ffd700'), + ('221', 'ffd75f'), + ('222', 'ffd787'), + ('223', 'ffd7af'), + ('224', 'ffd7d7'), + ('225', 'ffd7ff'), + ('226', 'ffff00'), + ('227', 'ffff5f'), + ('228', 'ffff87'), + ('229', 'ffffaf'), + ('230', 'ffffd7'), + ('231', 'ffffff'), + ('232', '080808'), + ('233', '121212'), + ('234', '1c1c1c'), + ('235', '262626'), + ('236', '303030'), + ('237', '3a3a3a'), + ('238', '444444'), + ('239', '4e4e4e'), + ('240', '585858'), + ('241', '626262'), + ('242', '6c6c6c'), + ('243', '767676'), + ('244', '808080'), + ('245', '8a8a8a'), + ('246', '949494'), + ('247', '9e9e9e'), + ('248', 'a8a8a8'), + ('249', 'b2b2b2'), + ('250', 'bcbcbc'), + ('251', 'c6c6c6'), + ('252', 'd0d0d0'), + ('253', 'dadada'), + ('254', 'e4e4e4'), + ('255', 'eeeeee'), +] + +def _str2hex(hexstr): + return int(hexstr, 16) + +def _strip_hash(rgb): + # Strip leading `#` if exists. + if rgb.startswith('#'): + rgb = rgb.lstrip('#') + return rgb + +def _create_dicts(): + short2rgb_dict = dict(CLUT) + rgb2short_dict = {} + for k, v in short2rgb_dict.items(): + rgb2short_dict[v] = k + return rgb2short_dict, short2rgb_dict + +def short2rgb(short): + return SHORT2RGB_DICT[short] + +def print_all(): + """ Print all 256 xterm color codes. + """ + for short, rgb in CLUT: + sys.stdout.write('\033[48;5;%sm%s:%s' % (short, short, rgb)) + sys.stdout.write("\033[0m ") + sys.stdout.write('\033[38;5;%sm%s:%s' % (short, short, rgb)) + sys.stdout.write("\033[0m\n") + print("Printed all codes.") + print("You can translate a hex or 0-255 code by providing an argument.") + +def rgb2short(rgb): + """ Find the closest xterm-256 approximation to the given RGB value. + @param rgb: Hex code representing an RGB value, eg, 'abcdef' + @returns: String between 0 and 255, compatible with xterm. + >>> rgb2short('123456') + ('23', '005f5f') + >>> rgb2short('ffffff') + ('231', 'ffffff') + >>> rgb2short('0DADD6') # vimeo logo + ('38', '00afd7') + """ + rgb = _strip_hash(rgb) + incs = (0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff) + # Break 6-char RGB code into 3 integer vals. + parts = [ int(h, 16) for h in re.split(r'(..)(..)(..)', rgb)[1:4] ] + res = [] + for part in parts: + i = 0 + while i < len(incs)-1: + s, b = incs[i], incs[i+1] # smaller, bigger + if s <= part <= b: + s1 = abs(s - part) + b1 = abs(b - part) + if s1 < b1: closest = s + else: closest = b + res.append(closest) + break + i += 1 + #print '***', res + res = ''.join([ ('%02.x' % i) for i in res ]) + equiv = RGB2SHORT_DICT[ res ] + #print '***', res, equiv + return equiv, res + +RGB2SHORT_DICT, SHORT2RGB_DICT = _create_dicts() + +#--------------------------------------------------------------------- + +if __name__ == '__main__': + import doctest + doctest.testmod() + if len(sys.argv) == 1: + print_all() + raise SystemExit + arg = sys.argv[1] + if len(arg) < 4 and int(arg) < 256: + rgb = short2rgb(arg) + sys.stdout.write('xterm color \033[38;5;%sm%s\033[0m -> RGB exact \033[38;5;%sm%s\033[0m' % (arg, arg, arg, rgb)) + sys.stdout.write("\033[0m\n") + else: + short, rgb = rgb2short(arg) + sys.stdout.write('color' '%s' % (short)) + sys.stdout.write("\n") + -- cgit v1.2.1