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MindCreeper03
149
libraries/ssd1306/tools/modules/fontgenerator.py
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149
libraries/ssd1306/tools/modules/fontgenerator.py
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# -*- coding: UTF-8 -*-
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# MIT License
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#
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# Copyright (c) 2018-2020, Alexey Dynda
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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###################################################################################
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# Fixing pip
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# curl https://bootstrap.pypa.io/get-pip.py | python2
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# sudo pip install freetype-py
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#
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# Get fonts
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# wget https://ftp.gnu.org/gnu/freefont/freefont-ttf-20120503.zip
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from __future__ import print_function
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import sys
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class Generator:
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source = None
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def __init__(self, source):
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self.source = source
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def generate_fixed_old(self):
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self.source.expand_chars()
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print("extern const uint8_t {0}[] PROGMEM;".format(self.source.name))
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print("const uint8_t {0}[] PROGMEM =".format(self.source.name))
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print("{")
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print("#ifdef CONFIG_SSD1306_UNICODE_ENABLE")
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print("// type|width|height|first char")
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print(" 0x%02X, 0x%02X, 0x%02X, 0x%02X," % (1, self.source.width, self.source.height, self.source.first_char))
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print("// unicode(2B)|count")
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print(" 0x%02X, 0x%02X, 0x%02X, // unicode record" % \
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((self.source.first_char >> 8) & 0xFF, self.source.first_char & 0xFF, \
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len(self.source.get_group_chars()) & 0xFF))
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print("#else")
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print("// type|width|height|first char")
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print(" 0x%02X, 0x%02X, 0x%02X, 0x%02X," % (0, self.source.width, self.source.height, self.source.first_char))
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print("#endif")
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char_code = self.source.first_char
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for char in self.source.get_group_chars():
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print(" ", end='')
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for row in range(self.source.rows()):
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for x in range(self.source.width):
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data = 0
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for i in range(8):
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y = row * 8 + i
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if y >= self.source.height:
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break
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data |= (self.source.charBitmap(char)[y][x] << i)
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print("0x%02X," % data, end=' ')
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if sys.version_info < (3, 0):
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print("// char '%s' (0x%04X/%d)" % (char.encode("utf-8"), char_code, char_code))
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else:
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print("// char '%s' (0x%04X/%d)" % (char, char_code, char_code))
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char_code = char_code + 1
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print("#ifdef CONFIG_SSD1306_UNICODE_ENABLE")
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print(" 0x00, 0x00, 0x00, // end of unicode tables")
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print("#endif")
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print("};")
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def generate_new_format(self):
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total_size = 4
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self.source.expand_chars_top()
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print("extern const uint8_t %s[] PROGMEM;" % ("free_" + self.source.name))
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print("const uint8_t %s[] PROGMEM =" % ("free_" + self.source.name))
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print("{")
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print("// type|width|height|first char")
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print(" 0x%02X, 0x%02X, 0x%02X, 0x%02X," % (2, self.source.width, self.source.height, 0x00))
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for group in range(self.source.groups_count()):
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chars = self.source.get_group_chars(group)
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total_size += 3
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if sys.version_info < (3, 0):
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print("// GROUP first '%s' total %d chars" % (chars[0].encode("utf-8"), len(chars)))
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else:
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chars = list(chars)
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print("// GROUP first '%s' total %d chars" % (chars[0], len(chars)))
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print("// unicode(LSB,MSB)|count")
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print(" 0x%02X, 0x%02X, 0x%02X, // unicode record" % \
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((ord(chars[0]) >> 8) & 0xFF, ord(chars[0]) & 0xFF, len(chars) & 0xFF))
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# jump table
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offset = 0
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heights = []
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sizes = []
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for char in chars:
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bitmap = self.source.charBitmap(char)
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print(" ", end = '')
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width = len(bitmap[0])
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height = len(bitmap)
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while (height > 0) and (sum(bitmap[height -1]) == 0):
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height -= 1
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heights.append( height )
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size = int((height + 7) / 8) * width
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sizes.append( size )
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total_size += 4
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print("0x%02X, 0x%02X, 0x%02X, 0x%02X," % (offset >> 8, offset & 0xFF, width, height), end = '')
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if sys.version_info < (3, 0):
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print("// char '%s' (0x%04X/%d)" % (char.encode("utf-8"), ord(char), ord(char)))
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else:
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print("// char '%s' (0x%04X/%d)" % (char, ord(char), ord(char)))
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offset += size
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total_size += 2
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print(" 0x%02X, 0x%02X," % (offset >> 8, offset & 0xFF))
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# char data
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for index in range(len(chars)):
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char = chars[index]
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bitmap = self.source.charBitmap(char)
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print (" ", end='')
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size = 0
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for row in range(int((heights[index] + 7) / 8)):
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for x in range(len(bitmap[0])):
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data = 0
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for i in range(8):
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y = row * 8 + i
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if y >= len(bitmap):
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break
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data |= (self.source.charBitmap(char)[y][x] << i)
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total_size += 1
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size += 1
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print("0x%02X," % data, end=' ')
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if sys.version_info < (3, 0):
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print("// char '%s' (0x%04X/%d)" % (char.encode("utf-8"), ord(char), ord(char)))
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else:
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print("// char '%s' (0x%04X/%d)" % (char, ord(char), ord(char)))
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if size != sizes[index]:
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print("ERROR!!!!")
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exit(1)
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total_size += 3
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print(" 0x00, 0x00, 0x00, // end of unicode tables")
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print(" // FONT REQUIRES %d BYTES" % (total_size))
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print("};")
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