Method: Spreadsheet::Excel::Reader#read_font

Defined in:
lib/spreadsheet/excel/reader.rb

#read_font(work, pos, len) ⇒ Object 



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# File 'lib/spreadsheet/excel/reader.rb', line 270

def read_font work, pos, len
  # Offset  Size  Contents
  #      0     2  Height of the font (in twips = 1/20 of a point)
  #      2     2  Option flags:
  #               Bit  Mask    Contents
  #                 0  0x0001  1 = Characters are bold (redundant, see below)
  #                 1  0x0002  1 = Characters are italic
  #                 2  0x0004  1 = Characters are underlined
  #                                (redundant, see below)
  #                 3  0x0008  1 = Characters are struck out
  #                 4  0x0010  1 = Characters are outlined (djberger)
  #                 5  0x0020  1 = Characters are shadowed (djberger)
  #      4     2  Colour index (➜ 6.70)
  #      6     2  Font weight (100-1000). Standard values are
  #                           0x0190 (400) for normal text and
  #                           0x02bc (700) for bold text.
  #      8     2  Escapement type: 0x0000 = None
  #                                0x0001 = Superscript
  #                                0x0002 = Subscript
  #     10     1  Underline type: 0x00 = None
  #                               0x01 = Single
  #                               0x02 = Double
  #                               0x21 = Single accounting
  #                               0x22 = Double accounting
  #     11     1  Font family:
  #               0x00 = None (unknown or don't care)
  #               0x01 = Roman (variable width, serifed)
  #               0x02 = Swiss (variable width, sans-serifed)
  #               0x03 = Modern (fixed width, serifed or sans-serifed)
  #               0x04 = Script (cursive)
  #               0x05 = Decorative (specialised,
  #                                  for example Old English, Fraktur)
  #     12     1  Character set: 0x00 =   0 = ANSI Latin
  #                              0x01 =   1 = System default
  #                              0x02 =   2 = Symbol
  #                              0x4d =  77 = Apple Roman
  #                              0x80 = 128 = ANSI Japanese Shift-JIS
  #                              0x81 = 129 = ANSI Korean (Hangul)
  #                              0x82 = 130 = ANSI Korean (Johab)
  #                              0x86 = 134 = ANSI Chinese Simplified GBK
  #                              0x88 = 136 = ANSI Chinese Traditional BIG5
  #                              0xa1 = 161 = ANSI Greek
  #                              0xa2 = 162 = ANSI Turkish
  #                              0xa3 = 163 = ANSI Vietnamese
  #                              0xb1 = 177 = ANSI Hebrew
  #                              0xb2 = 178 = ANSI Arabic
  #                              0xba = 186 = ANSI Baltic
  #                              0xcc = 204 = ANSI Cyrillic
  #                              0xde = 222 = ANSI Thai
  #                              0xee = 238 = ANSI Latin II (Central European)
  #                              0xff = 255 = OEM Latin I
  #     13     1  Not used
  #     14  var.  Font name:
  #               BIFF5/BIFF7: Byte string, 8-bit string length (➜ 3.3)
  #               BIFF8: Unicode string, 8-bit string length (➜ 3.4)
  name = client read_string(work[14..]), @workbook.encoding
  font = Font.new name
  size, opts, color, font.weight, escapement, underline,
    family, encoding = work.unpack binfmt(:font)
  font.size = size / TWIPS
  font.italic = opts & 0x0002
  font.strikeout = opts & 0x0008
  font.outline = opts & 0x0010
  font.shadow = opts & 0x0020
  font.color = COLOR_CODES[color] || :text
  font.escapement = ESCAPEMENT_TYPES[escapement]
  font.underline = UNDERLINE_TYPES[underline]
  font.family = FONT_FAMILIES[family]
  font.encoding = FONT_ENCODINGS[encoding]
  @workbook.add_font font
end