Class: Prune::Fonts::Symbol

Inherits:
BaseEn show all
Defined in:
lib/prune/fonts/en/symbol.rb

Overview

Symbol font.

Constant Summary collapse

WIDTHS = 
[
  250, 250, 250, 250, 250, 250, 250, 250, 250, 250,
  250, 250, 250, 250, 250, 250, 250, 250, 250, 250,
  250, 250, 250, 250, 250, 250, 250, 250, 250, 250,
  250, 250, 250, 333, 713, 500, 549, 833, 778, 439,
  333, 333, 500, 549, 250, 549, 250, 278, 500, 500,
  500, 500, 500, 500, 500, 500, 500, 500, 278, 278,
  549, 549, 549, 444, 549, 722, 667, 722, 612, 611,
  763, 603, 722, 333, 631, 722, 686, 889, 722, 722,
  768, 741, 556, 592, 611, 690, 439, 768, 645, 795,
  611, 333, 863, 333, 658, 500, 500, 631, 549, 549,
  494, 439, 521, 411, 603, 329, 603, 549, 549, 576,
  521, 549, 549, 521, 549, 603, 439, 576, 713, 686,
  493, 686, 494, 480, 200, 480, 549, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  750, 620, 247, 549, 167, 713, 500, 753, 753, 753,
  753, 1042, 987, 603, 987, 603, 400, 549, 411, 549,
  549, 713, 494, 460, 549, 549, 549, 549, 1000, 603,
  1000, 658, 823, 686, 795, 987, 768, 768, 823, 768,
  768, 713, 713, 713, 713, 713, 713, 713, 768, 713,
  790, 790, 890, 823, 549, 250, 713, 603, 603, 1042,
  987, 603, 987, 603, 494, 329, 790, 790, 786, 713,
  384, 384, 384, 384, 384, 384, 494, 494, 494, 494,
  0, 329, 274, 686, 686, 686, 384, 384, 384, 384,
  384, 384, 494, 494, 494, 0
]

Instance Attribute Summary

Attributes inherited from Base

#font_name

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from BaseEn

#decode

Methods inherited from Base

bold?, #encoding, font_name, #font_sym, italic?, #name, #reference

Methods included from PObjects

pa, pd, ph, pl, pn, ps

Constructor Details

#initialize(document, options = {}) ⇒ Symbol

Returns a new instance of Symbol.



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# File 'lib/prune/fonts/en/symbol.rb', line 43

def initialize(document, options = {})
  super(document)
  self.name = self.class.key(options)
  self.base_font = pn(:Symbol)
end

Class Method Details

.key(options) ⇒ Object 



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# File 'lib/prune/fonts/en/symbol.rb', line 8

def key(options)
  FontOptionError if bold?(options) || italic?(options)
  PObjects.pn(font_name)
end

Instance Method Details

#width(string, font_size) ⇒ Object

Get width of the text.



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# File 'lib/prune/fonts/en/symbol.rb', line 50

def width(string, font_size)
  string_base_width = string.bytes.inject(0){|result, byte|
    byte_width = WIDTHS[byte] || 1000
    result + byte_width
  }
  string_base_width * font_size / 1000
end