other/subset_noto_sans_symbols.py - platform/external/noto-fonts - Git at Google

 #!/usr/bin/python
 # coding=UTF-8
 #
 # Copyright 2014 Google Inc. All rights reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.

 """Create a curated subset of NotoSansSymbols for Android."""

 __author__ = 'roozbeh@google.com (Roozbeh Pournader)'

 import sys

 from nototools import subset
 from nototools import unicode_data

 # Unicode blocks that we want to include in the font
 BLOCKS_TO_INCLUDE = """
 20D0..20FF; Combining Diacritical Marks for Symbols
 2100..214F; Letterlike Symbols
 2190..21FF; Arrows
 2200..22FF; Mathematical Operators
 2300..23FF; Miscellaneous Technical
 2400..243F; Control Pictures
 2440..245F; Optical Character Recognition
 2460..24FF; Enclosed Alphanumerics
 2500..257F; Box Drawing
 2580..259F; Block Elements
 25A0..25FF; Geometric Shapes
 2600..26FF; Miscellaneous Symbols
 2700..27BF; Dingbats
 27C0..27EF; Miscellaneous Mathematical Symbols-A
 27F0..27FF; Supplemental Arrows-A
 2800..28FF; Braille Patterns
 2A00..2AFF; Supplemental Mathematical Operators
 """

 # One-off characters to be included, needed for backward compatibility and
 # supporting various character sets, including ARIB sets and black and white
 # emoji
 ONE_OFF_ADDITIONS = {
     0x27D0, # ⟐ WHITE DIAMOND WITH CENTRED DOT
     0x2934, # ⤴ ARROW POINTING RIGHTWARDS THEN CURVING UPWARDS
     0x2935, # ⤵ ARROW POINTING RIGHTWARDS THEN CURVING DOWNWARDS
     0x2985, # ⦅ LEFT WHITE PARENTHESIS
     0x2986, # ⦆ RIGHT WHITE PARENTHESIS
     0x2B05, # ⬅ LEFTWARDS BLACK ARROW
     0x2B06, # ⬆ UPWARDS BLACK ARROW
     0x2B07, # ⬇ DOWNWARDS BLACK ARROW
     0x2B24, # ⬤ BLACK LARGE CIRCLE
     0x2B2E, # ⬮ BLACK VERTICAL ELLIPSE
     0x2B2F, # ⬯ WHITE VERTICAL ELLIPSE
     0x2B56, # ⭖ HEAVY OVAL WITH OVAL INSIDE
     0x2B57, # ⭗ HEAVY CIRCLE WITH CIRCLE INSIDE
     0x2B58, # ⭘ HEAVY CIRCLE
     0x2B59, # ⭙ HEAVY CIRCLED SALTIRE
 }

 # letter-based characters, provided by Roboto
 LETTERLIKE_CHARS_IN_ROBOTO = {
     0x2100, # ℀ ACCOUNT OF
     0x2101, # ℁ ADDRESSED TO THE SUBJECT
     0x2103, # ℃ DEGREE CELSIUS
     0x2105, # ℅ CARE OF
     0x2106, # ℆ CADA UNA
     0x2109, # ℉ DEGREE FAHRENHEIT
     0x2113, # ℓ SCRIPT SMALL L
     0x2116, # № NUMERO SIGN
     0x2117, # ℗ SOUND RECORDING COPYRIGHT
     0x211E, # ℞ PRESCRIPTION TAKE
     0x211F, # ℟ RESPONSE
     0x2120, # ℠ SERVICE MARK
     0x2121, # ℡ TELEPHONE SIGN
     0x2122, # ™ TRADE MARK SIGN
     0x2123, # ℣ VERSICLE
     0x2125, # ℥ OUNCE SIGN
     0x2126, # Ω OHM SIGN
     0x212A, # K KELVIN SIGN
     0x212B, # Å ANGSTROM SIGN
     0x212E, # ℮ ESTIMATED SYMBOL
     0x2132, # Ⅎ TURNED CAPITAL F
     0x213B, # ℻ FACSIMILE SIGN
     0x214D, # ⅍ AKTIESELSKAB
     0x214F, # ⅏ SYMBOL FOR SAMARITAN SOURCE
 }

 # default emoji characters in the BMP, based on
 # http://www.unicode.org/draft/Public/emoji/1.0/emoji-data.txt
 # We exclude these, so we don't block color emoji.
 BMP_DEFAULT_EMOJI = {
     0x231A, # ⌚ WATCH
     0x231B, # ⌛ HOURGLASS
     0x23E9, # ⏩ BLACK RIGHT-POINTING DOUBLE TRIANGLE
     0x23EA, # ⏪ BLACK LEFT-POINTING DOUBLE TRIANGLE
     0x23EB, # ⏫ BLACK UP-POINTING DOUBLE TRIANGLE
     0x23EC, # ⏬ BLACK DOWN-POINTING DOUBLE TRIANGLE
     0x23F0, # ⏰ ALARM CLOCK
     0x23F3, # ⏳ HOURGLASS WITH FLOWING SAND
     0x25FD, # ◽ WHITE MEDIUM SMALL SQUARE
     0x25FE, # ◾ BLACK MEDIUM SMALL SQUARE
     0x2614, # ☔ UMBRELLA WITH RAIN DROPS
     0x2615, # ☕ HOT BEVERAGE
     0x2648, # ♈ ARIES
     0x2649, # ♉ TAURUS
     0x264A, # ♊ GEMINI
     0x264B, # ♋ CANCER
     0x264C, # ♌ LEO
     0x264D, # ♍ VIRGO
     0x264E, # ♎ LIBRA
     0x264F, # ♏ SCORPIUS
     0x2650, # ♐ SAGITTARIUS
     0x2651, # ♑ CAPRICORN
     0x2652, # ♒ AQUARIUS
     0x2653, # ♓ PISCES
     0x267F, # ♿ WHEELCHAIR SYMBOL
     0x2693, # ⚓ ANCHOR
     0x26A1, # ⚡ HIGH VOLTAGE SIGN
     0x26AA, # ⚪ MEDIUM WHITE CIRCLE
     0x26AB, # ⚫ MEDIUM BLACK CIRCLE
     0x26BD, # ⚽ SOCCER BALL
     0x26BE, # ⚾ BASEBALL
     0x26C4, # ⛄ SNOWMAN WITHOUT SNOW
     0x26C5, # ⛅ SUN BEHIND CLOUD
     0x26CE, # ⛎ OPHIUCHUS
     0x26D4, # ⛔ NO ENTRY
     0x26EA, # ⛪ CHURCH
     0x26F2, # ⛲ FOUNTAIN
     0x26F3, # ⛳ FLAG IN HOLE
     0x26F5, # ⛵ SAILBOAT
     0x26FA, # ⛺ TENT
     0x26FD, # ⛽ FUEL PUMP
     0x2705, # ✅ WHITE HEAVY CHECK MARK
     0x270A, # ✊ RAISED FIST
     0x270B, # ✋ RAISED HAND
     0x2728, # ✨ SPARKLES
     0x274C, # ❌ CROSS MARK
     0x274E, # ❎ NEGATIVE SQUARED CROSS MARK
     0x2753, # ❓ BLACK QUESTION MARK ORNAMENT
     0x2754, # ❔ WHITE QUESTION MARK ORNAMENT
     0x2755, # ❕ WHITE EXCLAMATION MARK ORNAMENT
     0x2757, # ❗ HEAVY EXCLAMATION MARK SYMBOL
     0x2795, # ➕ HEAVY PLUS SIGN
     0x2796, # ➖ HEAVY MINUS SIGN
     0x2797, # ➗ HEAVY DIVISION SIGN
     0x27B0, # ➰ CURLY LOOP
     0x27BF, # ➿ DOUBLE CURLY LOOP
     0x2B1B, # ⬛ BLACK LARGE SQUARE
     0x2B1C, # ⬜ WHITE LARGE SQUARE
     0x2B50, # ⭐ WHITE MEDIUM STAR
     0x2B55, # ⭕ HEAVY LARGE CIRCLE
 }

 # Characters we have decided we are doing as emoji-style in Android,
 # despite UTR#51's recommendation
 ANDROID_EMOJI = {
     0x2600, # ☀ BLACK SUN WITH RAYS
     0x2601, # ☁ CLOUD
     0X260E, # ☎ BLACK TELEPHONE
     0x261D, # ☝ WHITE UP POINTING INDEX
     0x263A, # ☺ WHITE SMILING FACE
     0x2660, # ♠ BLACK SPADE SUIT
     0x2663, # ♣ BLACK CLUB SUIT
     0x2665, # ♥ BLACK HEART SUIT
     0x2666, # ♦ BLACK DIAMOND SUIT
     0x270C, # ✌ VICTORY HAND
     0x2744, # ❄ SNOWFLAKE
     0x2764, # ❤ HEAVY BLACK HEART
 }

 def main(argv):
     """Subset the Noto Symbols font.

     The first argument is the source file name, and the second argument is
     the target file name.
     """

     target_coverage = set()
     # Add all characters in BLOCKS_TO_INCLUDE
     for first, last, _ in unicode_data._parse_code_ranges(BLOCKS_TO_INCLUDE):
         target_coverage.update(range(first, last+1))

     # Add one-off characters
     target_coverage |= ONE_OFF_ADDITIONS
     # Remove characters preferably coming from Roboto
     target_coverage -= LETTERLIKE_CHARS_IN_ROBOTO
     # Remove characters that are supposed to default to emoji
     target_coverage -= BMP_DEFAULT_EMOJI | ANDROID_EMOJI

     # Remove dentistry symbols, as their main use appears to be for CJK:
     # http://www.unicode.org/L2/L2000/00098-n2195.pdf
     target_coverage -= set(range(0x23BE, 0x23CC+1))

     # Remove COMBINING ENCLOSING KEYCAP. It's needed for Android's color emoji
     # mechanism to work properly
     target_coverage.remove(0x20E3)

     source_file_name = argv[1]
     target_file_name = argv[2]
     subset.subset_font(
         source_file_name,
         target_file_name,
         include=target_coverage)


 if __name__ == '__main__':
     main(sys.argv)
	#!/usr/bin/python
	# coding=UTF-8
	#
	# Copyright 2014 Google Inc. All rights reserved.
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.

	"""Create a curated subset of NotoSansSymbols for Android."""

	__author__ = 'roozbeh@google.com (Roozbeh Pournader)'

	import sys

	from nototools import subset
	from nototools import unicode_data

	# Unicode blocks that we want to include in the font
	BLOCKS_TO_INCLUDE = """
	20D0..20FF; Combining Diacritical Marks for Symbols
	2100..214F; Letterlike Symbols
	2190..21FF; Arrows
	2200..22FF; Mathematical Operators
	2300..23FF; Miscellaneous Technical
	2400..243F; Control Pictures
	2440..245F; Optical Character Recognition
	2460..24FF; Enclosed Alphanumerics
	2500..257F; Box Drawing
	2580..259F; Block Elements
	25A0..25FF; Geometric Shapes
	2600..26FF; Miscellaneous Symbols
	2700..27BF; Dingbats
	27C0..27EF; Miscellaneous Mathematical Symbols-A
	27F0..27FF; Supplemental Arrows-A
	2800..28FF; Braille Patterns
	2A00..2AFF; Supplemental Mathematical Operators
	"""

	# One-off characters to be included, needed for backward compatibility and
	# supporting various character sets, including ARIB sets and black and white
	# emoji
	ONE_OFF_ADDITIONS = {
	0x27D0, # ⟐ WHITE DIAMOND WITH CENTRED DOT
	0x2934, # ⤴ ARROW POINTING RIGHTWARDS THEN CURVING UPWARDS
	0x2935, # ⤵ ARROW POINTING RIGHTWARDS THEN CURVING DOWNWARDS
	0x2985, # ⦅ LEFT WHITE PARENTHESIS
	0x2986, # ⦆ RIGHT WHITE PARENTHESIS
	0x2B05, # ⬅ LEFTWARDS BLACK ARROW
	0x2B06, # ⬆ UPWARDS BLACK ARROW
	0x2B07, # ⬇ DOWNWARDS BLACK ARROW
	0x2B24, # ⬤ BLACK LARGE CIRCLE
	0x2B2E, # ⬮ BLACK VERTICAL ELLIPSE
	0x2B2F, # ⬯ WHITE VERTICAL ELLIPSE
	0x2B56, # ⭖ HEAVY OVAL WITH OVAL INSIDE
	0x2B57, # ⭗ HEAVY CIRCLE WITH CIRCLE INSIDE
	0x2B58, # ⭘ HEAVY CIRCLE
	0x2B59, # ⭙ HEAVY CIRCLED SALTIRE
	}

	# letter-based characters, provided by Roboto
	LETTERLIKE_CHARS_IN_ROBOTO = {
	0x2100, # ℀ ACCOUNT OF
	0x2101, # ℁ ADDRESSED TO THE SUBJECT
	0x2103, # ℃ DEGREE CELSIUS
	0x2105, # ℅ CARE OF
	0x2106, # ℆ CADA UNA
	0x2109, # ℉ DEGREE FAHRENHEIT
	0x2113, # ℓ SCRIPT SMALL L
	0x2116, # № NUMERO SIGN
	0x2117, # ℗ SOUND RECORDING COPYRIGHT
	0x211E, # ℞ PRESCRIPTION TAKE
	0x211F, # ℟ RESPONSE
	0x2120, # ℠ SERVICE MARK
	0x2121, # ℡ TELEPHONE SIGN
	0x2122, # ™ TRADE MARK SIGN
	0x2123, # ℣ VERSICLE
	0x2125, # ℥ OUNCE SIGN
	0x2126, # Ω OHM SIGN
	0x212A, # K KELVIN SIGN
	0x212B, # Å ANGSTROM SIGN
	0x212E, # ℮ ESTIMATED SYMBOL
	0x2132, # Ⅎ TURNED CAPITAL F
	0x213B, # ℻ FACSIMILE SIGN
	0x214D, # ⅍ AKTIESELSKAB
	0x214F, # ⅏ SYMBOL FOR SAMARITAN SOURCE
	}

	# default emoji characters in the BMP, based on
	# http://www.unicode.org/draft/Public/emoji/1.0/emoji-data.txt
	# We exclude these, so we don't block color emoji.
	BMP_DEFAULT_EMOJI = {
	0x231A, # ⌚ WATCH
	0x231B, # ⌛ HOURGLASS
	0x23E9, # ⏩ BLACK RIGHT-POINTING DOUBLE TRIANGLE
	0x23EA, # ⏪ BLACK LEFT-POINTING DOUBLE TRIANGLE
	0x23EB, # ⏫ BLACK UP-POINTING DOUBLE TRIANGLE
	0x23EC, # ⏬ BLACK DOWN-POINTING DOUBLE TRIANGLE
	0x23F0, # ⏰ ALARM CLOCK
	0x23F3, # ⏳ HOURGLASS WITH FLOWING SAND
	0x25FD, # ◽ WHITE MEDIUM SMALL SQUARE
	0x25FE, # ◾ BLACK MEDIUM SMALL SQUARE
	0x2614, # ☔ UMBRELLA WITH RAIN DROPS
	0x2615, # ☕ HOT BEVERAGE
	0x2648, # ♈ ARIES
	0x2649, # ♉ TAURUS
	0x264A, # ♊ GEMINI
	0x264B, # ♋ CANCER
	0x264C, # ♌ LEO
	0x264D, # ♍ VIRGO
	0x264E, # ♎ LIBRA
	0x264F, # ♏ SCORPIUS
	0x2650, # ♐ SAGITTARIUS
	0x2651, # ♑ CAPRICORN
	0x2652, # ♒ AQUARIUS
	0x2653, # ♓ PISCES
	0x267F, # ♿ WHEELCHAIR SYMBOL
	0x2693, # ⚓ ANCHOR
	0x26A1, # ⚡ HIGH VOLTAGE SIGN
	0x26AA, # ⚪ MEDIUM WHITE CIRCLE
	0x26AB, # ⚫ MEDIUM BLACK CIRCLE
	0x26BD, # ⚽ SOCCER BALL
	0x26BE, # ⚾ BASEBALL
	0x26C4, # ⛄ SNOWMAN WITHOUT SNOW
	0x26C5, # ⛅ SUN BEHIND CLOUD
	0x26CE, # ⛎ OPHIUCHUS
	0x26D4, # ⛔ NO ENTRY
	0x26EA, # ⛪ CHURCH
	0x26F2, # ⛲ FOUNTAIN
	0x26F3, # ⛳ FLAG IN HOLE
	0x26F5, # ⛵ SAILBOAT
	0x26FA, # ⛺ TENT
	0x26FD, # ⛽ FUEL PUMP
	0x2705, # ✅ WHITE HEAVY CHECK MARK
	0x270A, # ✊ RAISED FIST
	0x270B, # ✋ RAISED HAND
	0x2728, # ✨ SPARKLES
	0x274C, # ❌ CROSS MARK
	0x274E, # ❎ NEGATIVE SQUARED CROSS MARK
	0x2753, # ❓ BLACK QUESTION MARK ORNAMENT
	0x2754, # ❔ WHITE QUESTION MARK ORNAMENT
	0x2755, # ❕ WHITE EXCLAMATION MARK ORNAMENT
	0x2757, # ❗ HEAVY EXCLAMATION MARK SYMBOL
	0x2795, # ➕ HEAVY PLUS SIGN
	0x2796, # ➖ HEAVY MINUS SIGN
	0x2797, # ➗ HEAVY DIVISION SIGN
	0x27B0, # ➰ CURLY LOOP
	0x27BF, # ➿ DOUBLE CURLY LOOP
	0x2B1B, # ⬛ BLACK LARGE SQUARE
	0x2B1C, # ⬜ WHITE LARGE SQUARE
	0x2B50, # ⭐ WHITE MEDIUM STAR
	0x2B55, # ⭕ HEAVY LARGE CIRCLE
	}

	# Characters we have decided we are doing as emoji-style in Android,
	# despite UTR#51's recommendation
	ANDROID_EMOJI = {
	0x2600, # ☀ BLACK SUN WITH RAYS
	0x2601, # ☁ CLOUD
	0X260E, # ☎ BLACK TELEPHONE
	0x261D, # ☝ WHITE UP POINTING INDEX
	0x263A, # ☺ WHITE SMILING FACE
	0x2660, # ♠ BLACK SPADE SUIT
	0x2663, # ♣ BLACK CLUB SUIT
	0x2665, # ♥ BLACK HEART SUIT
	0x2666, # ♦ BLACK DIAMOND SUIT
	0x270C, # ✌ VICTORY HAND
	0x2744, # ❄ SNOWFLAKE
	0x2764, # ❤ HEAVY BLACK HEART
	}

	def main(argv):
	"""Subset the Noto Symbols font.

	The first argument is the source file name, and the second argument is
	the target file name.
	"""

	target_coverage = set()
	# Add all characters in BLOCKS_TO_INCLUDE
	for first, last, _ in unicode_data._parse_code_ranges(BLOCKS_TO_INCLUDE):
	target_coverage.update(range(first, last+1))

	# Add one-off characters
	target_coverage \|= ONE_OFF_ADDITIONS
	# Remove characters preferably coming from Roboto
	target_coverage -= LETTERLIKE_CHARS_IN_ROBOTO
	# Remove characters that are supposed to default to emoji
	target_coverage -= BMP_DEFAULT_EMOJI \| ANDROID_EMOJI

	# Remove dentistry symbols, as their main use appears to be for CJK:
	# http://www.unicode.org/L2/L2000/00098-n2195.pdf
	target_coverage -= set(range(0x23BE, 0x23CC+1))

	# Remove COMBINING ENCLOSING KEYCAP. It's needed for Android's color emoji
	# mechanism to work properly
	target_coverage.remove(0x20E3)

	source_file_name = argv[1]
	target_file_name = argv[2]
	subset.subset_font(
	source_file_name,
	target_file_name,
	include=target_coverage)


	if __name__ == '__main__':
	main(sys.argv)