Class: ChemScanner::ChemDraw::ColorTable

Inherits:
BaseNode
  • Object
show all
Defined in:
lib/chem_scanner/chem_draw/node/color_table.rb

Overview

ColorTable

Constant Summary

Constants included from BaseValue

BaseValue::ARROW_NOGO_CROSS, BaseValue::CDXML_ARROW_TYPE, BaseValue::CDXML_ATOM_EXTERNAL_CONNECTION_TYPE, BaseValue::CDXML_CDX_POINT, BaseValue::CDXML_GRAPHIC_TYPE, BaseValue::CDXML_LINE_TYPE, BaseValue::CDXML_NODE_TYPE, BaseValue::CDXML_ORBITAL_TYPE, BaseValue::CDXML_OVAL_TYPE, BaseValue::TEXT_ATTRIBUTES

Instance Attribute Summary collapse

Attributes inherited from BaseNode

#id, #parser, #parser_type, #polygon

Instance Method Summary collapse

Methods inherited from BaseNode

#assign_center, #bounding_box, #cdx_read, #cdxml_read, #center_x, #center_y, #get_tempid, #parse_node, #post_parse_node, #pre_parse_node, #set_cdx, #set_cdxml

Methods included from BaseValue

#binary_chunks, #cdx_styles, #cdx_text, #cdxml_text, #do_unhandled, #point_2d, #point_3d, #polygon_from_bb, #read_bounding_box, #read_ids, #read_int, #read_type, #read_value

Constructor Details

#initialize(parser_type, data) ⇒ ColorTable

Returns a new instance of ColorTable.



7
8
9
10
 
# File 'lib/chem_scanner/chem_draw/node/color_table.rb', line 7

def initialize(parser_type, data)
  @parser_type = parser_type
  @data = data
end

Instance Attribute Details

#table ⇒ Object (readonly)

Returns the value of attribute table.



5
6
7
 
# File 'lib/chem_scanner/chem_draw/node/color_table.rb', line 5

def table
  @table
end

Instance Method Details

#read ⇒ Object 



12
13
14
 
# File 'lib/chem_scanner/chem_draw/node/color_table.rb', line 12

def read
  @parser_type == "cdx" ? read_cdx : read_cdxml
end

#read_cdx ⇒ Object 



16
17
18
19
20
21
22
23
24
25
26
27
28
 
# File 'lib/chem_scanner/chem_draw/node/color_table.rb', line 16

def read_cdx
  @nums = read_int(@data[0, 2], true)
  rgbs = binary_chunks(@data[2..-1], 2).map { |x| read_int(x, true) }

  table = rgbs.each_slice(3).to_a.map do |x|
    x.reduce("") do |memo, c|
      rgb = c >> 8
      memo << rgb.to_s(16).rjust(2, "0")
    end
  end

  @table = %w[000000 FFFFFF] + table
end

#read_cdxml ⇒ Object 



30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
# File 'lib/chem_scanner/chem_draw/node/color_table.rb', line 30

def read_cdxml
  table = @data.element_children.each_with_object([]) do |color, t|
    next if color.name != "color"

    rgb = %w[r g b].reduce("") do |memo, c|
      ct = color.attr(c).to_i * 255
      memo << ct.to_s(16).rjust(2, "0")
    end

    t.push(rgb)
  end

  @table = %w[000000 FFFFFF] + table
end