Class: IPTC::MarkerNomenclature

Inherits:

Object

• Object
• IPTC::MarkerNomenclature

Includes:

Singleton

Defined in:

lib/iptc/marker_nomenclature.rb,
lib/iptc/marker_nomenclature_data.rb

Constant Summary

NOMENCLATURE =

<<-EOS
RecordVersion	Version of IIM part 2	0	0x0000	Yes	No	2	2	Iptc.Application2.RecordVersion
ObjectType	IIM appendix G object type	3	0x0003	No	No	3	67	Iptc.Application2.ObjectType
ObjectAttribute	IIM appendix G object attribute	4	0x0004	No	Yes	4	68	Iptc.Application2.ObjectAttribute
ObjectName	Shorthand reference of content	5	0x0005	No	No	0	64	Iptc.Application2.ObjectName
EditStatus	Content status	7	0x0007	No	No	0	64	Iptc.Application2.EditStatus
EditorialUpdate	Indicates the type of update	8	0x0008	No	No	2	2	Iptc.Application2.EditorialUpdate
Urgency	Editorial urgency of content	10	0x000a	No	No	1	1	Iptc.Application2.Urgency
Subject	Structured definition of the subject	12	0x000c	No	Yes	13	236	Iptc.Application2.Subject
Category	Identifies the subject	15	0x000f	No	No	0	3	Iptc.Application2.Category
SuppCategory	Refines the subject	20	0x0014	No	Yes	0	32	Iptc.Application2.SuppCategory
FixtureId	Identifies content that recurs	22	0x0016	No	No	0	32	Iptc.Application2.FixtureId
Keywords	Information retrieval words	25	0x0019	No	Yes	0	64	Iptc.Application2.Keywords
LocationCode	ISO country code for content	26	0x001a	No	Yes	3	3	Iptc.Application2.LocationCode
LocationName	Full country name for content	27	0x001b	No	Yes	0	64	Iptc.Application2.LocationName
ReleaseDate	Earliest intended usable date	30	0x001e	No	No	8	8	Iptc.Application2.ReleaseDate
ReleaseTime	Earliest intended usable time	35	0x0023	No	No	11	11	Iptc.Application2.ReleaseTime
ExpirationDate	Latest intended usable date	37	0x0025	No	No	8	8	Iptc.Application2.ExpirationDate
ExpirationTime	Latest intended usable time	38	0x0026	No	No	11	11	Iptc.Application2.ExpirationTime
SpecialInstructions	Editorial usage instructions	40	0x0028	No	No	0	256	Iptc.Application2.SpecialInstructions
ActionAdvised	Action provided to previous data	42	0x002a	No	No	2	2	Iptc.Application2.ActionAdvised
ReferenceService	Service Identifier of a prior envelope	45	0x002d	No	Yes	0	10	Iptc.Application2.ReferenceService
ReferenceDate	Date of a prior envelope	47	0x002f	No	Yes	8	8	Iptc.Application2.ReferenceDate
ReferenceNumber	Envelope Number of a prior envelope	50	0x0032	No	Yes	8	8	Iptc.Application2.ReferenceNumber
DateCreated	Creation date of intellectual content	55	0x0037	No	No	8	8	Iptc.Application2.DateCreated
TimeCreated	Creation time of intellectual content	60	0x003c	No	No	11	11	Iptc.Application2.TimeCreated
DigitizationDate	Creation date of digital representation	62	0x003e	No	No	8	8	Iptc.Application2.DigitizationDate
DigitizationTime	Creation time of digital representation	63	0x003f	No	No	11	11	Iptc.Application2.DigitizationTime
Program	Content creation program	65	0x0041	No	No	0	32	Iptc.Application2.Program
ProgramVersion	Content creation program version	70	0x0046	No	No	0	10	Iptc.Application2.ProgramVersion
ObjectCycle	Morning	75	0x004b	No	No	1	1	Iptc.Application2.ObjectCycle
Byline	Name of content creator	80	0x0050	No	Yes	0	32	Iptc.Application2.Byline
BylineTitle	Title of content creator	85	0x0055	No	Yes	0	32	Iptc.Application2.BylineTitle
City	City of content origin	90	0x005a	No	No	0	32	Iptc.Application2.City
SubLocation	Location within city	92	0x005c	No	No	0	32	Iptc.Application2.SubLocation
ProvinceState	Province/State of content origin	95	0x005f	No	No	0	32	Iptc.Application2.ProvinceState
CountryCode	ISO country code of content origin	100	0x0064	No	No	3	3	Iptc.Application2.CountryCode
CountryName	Full country name of content origin	101	0x0065	No	No	0	64	Iptc.Application2.CountryName
TransmissionReference	Location of original transmission	103	0x0067	No	No	0	32	Iptc.Application2.TransmissionReference
Headline	Content synopsis	105	0x0069	No	No	0	256	Iptc.Application2.Headline
Credit	Content provider	110	0x006e	No	No	0	32	Iptc.Application2.Credit
Source	Original owner of content	115	0x0073	No	No	0	32	Iptc.Application2.Source
Copyright	Necessary copyright notice	116	0x0074	No	No	0	128	Iptc.Application2.Copyright
Contact	Person or organisation to contact	118	0x0076	No	Yes	0	128	Iptc.Application2.Contact
Caption	Content description	120	0x0078	No	No	0	2000	Iptc.Application2.Caption
Writer	Person responsible for caption	122	0x007a	No	Yes	0	32	Iptc.Application2.Writer
RasterizedCaption	Black and white caption image	125	0x007d	No	No	7360	7360	Iptc.Application2.RasterizedCaption
ImageType	Color components in an image	130	0x0082	No	No	2	2	Iptc.Application2.ImageType
ImageOrientation	Indicates the layout of an image	131	0x0083	No	No	1	1	Iptc.Application2.ImageOrientation
Language	ISO 639:1988 language code	135	0x0087	No	No	2	3	Iptc.Application2.Language
AudioType	Information about audio content	150	0x0096	No	No	2	2	Iptc.Application2.AudioType
AudioRate	Sampling rate of audio content	151	0x0097	No	No	6	6	Iptc.Application2.AudioRate
AudioResolution	Sampling resolution of audio content	152	0x0098	No	No	2	2	Iptc.Application2.AudioResolution
AudioDuration	Duration of audio content	153	0x0099	No	No	6	6	Iptc.Application2.AudioDuration
AudioOutcue	Final words or sounds of audio content	154	0x009a	No	No	0	64	Iptc.Application2.AudioOutcue
PreviewFormat	IIM appendix A file format of preview	200	0x00c8	No	No	2	2	Iptc.Application2.PreviewFormat
PreviewVersion	File format version of preview	201	0x00c9	No	No	2	2	Iptc.Application2.PreviewVersion
Preview	Binary preview data	202	0x00ca	No	No	0	256000	Iptc.Application2.Preview
EOS

Class Method Summary

• .markers(id) ⇒ Object

Instance Method Summary

• #benchmark ⇒ Object
• #markers(id) ⇒ Object
• #markers_count ⇒ Object
• #populate ⇒ Object

Class Method Details

.markers(id) ⇒ Object

# File 'lib/iptc/marker_nomenclature.rb', line 10

def MarkerNomenclature.markers(id)
  return MarkerNomenclature.instance.markers(id)
end

Instance Method Details

#benchmark ⇒ Object

# File 'lib/iptc/marker_nomenclature.rb', line 41

def benchmark
	require 'benchmark'
	Benchmark.bm(40) do |x|
		x.report("Populate Markers") { 1000.times do populate(); end }
	end
end

#markers(id) ⇒ Object

# File 'lib/iptc/marker_nomenclature.rb', line 16

def markers(id)
  if @markers.has_key?(id)
    return @markers[id]
  else
    return @markers[-1]
  end
end

#markers_count ⇒ Object

# File 'lib/iptc/marker_nomenclature.rb', line 13

def markers_count
	@markers.keys.length
end

#populate ⇒ Object

# File 'lib/iptc/marker_nomenclature.rb', line 24

def populate
  @markers = {}

  marker = Struct.new(:iid, :name, :description)
  
  m = marker.new
  m.name = "Unknown marker"
  m.iid = -1
  @markers[-1] = m
          
  NOMENCLATURE.each_line do |line|
      m = marker.new
      m[:name], m[:description], m[:iid] = line.split(/\t/)
      m[:iid] = m[:iid].to_i
      @markers[m.iid] = m
  end
end