ITU-T T 412-1993 Information Technology - Open Document Architecture (ODA) and Interchange Format - Document Structures - Terminal Equipments and Protocols for Telematix Services (.pdf

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1、INTERNATIONAL TELECOMMUNICATION UNION ITU-T TELECOMMUNICATION STANDARDIZATION SECTOR OF TU T.412 (03/9 3 1 TELEMATIC SERVICES TERMINAL EQUIPMENTS AND PROTOCOLS FOR TELEMATIX SERVICES INFORMATION TECHNOLOGY - OPEN DOCUMENT ARCHITECTURE (ODA) DOCUMENT STRUCTURES AND INTERCHANGE FORMAT - ITU-T Recommen

2、dation T.412 (Previously “CCIlT Recommendation“) STD-ITU-T RECMN T-4L2-ENGL 1773 = 48b2.571 Ob3b484 U27 FOREWORD ITU (International Telecommunication Union) is the United Nations Specialized Agency in the field of telecommunications. The ITU Telecommunication Standardization Sector (ITU-T) is a perm

3、anent organ of the ITU. Some 179 member countries, 84 telecom operating entities, 145 scientific and industrial organizations and 38 international organizations participate in ITU-T which is the body which sets world telecommunications standards (Recommendations). The approval of Recommendations by

4、the Members of ITU-T is covered by the procedure laid down in WTSC Resolution No. 1 (Helsinki, 1993). In addition, the World Telecommunication Standardization Conference (WTSC), which meets every four years, approves Recommendations submitted to it and establishes the study programme for the followi

5、ng period. In some areas of information technology which fall within ITU-Ts purview, the necessary standards are prepared on a collaborative basis with IS0 and IEC. The text of ITU-T Recommendation T.412 was approved by the WTSC (Helsinki, March 1-12, 1993). The identical text is also published as I

6、SOflEC International Standard 8613-2. NOTES 1 As a consequence of a reform process within the Intemational Telecommunication Union (ITU), the CCITT ceased to exist as of 28 February 1993. In its place, the ITU Telecommunication Standardization Sector (ITU-T) was created as of 1 March 1993. Similarly

7、, in this reform process, the CCIR and the IFRB have been replaced by the Radiocommunication Sector. 2 In this Recommendation, the expression “Administration” is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. O ITU 1994 All rights reserved

8、. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the ITU. . - STD-ITU-T RECMN T-412-ENGL 1973 48b259L Ub3b485 Tb3 IPI CONTENTS INTRODUCTION . Scope . Normative r

9、eferences 2.1 Identical Recommendations I International Standards . 2.2 2.3 Additional references . Definitions . Abbreviations Conventions 5.1 Subordinate 5.2 Superior . 5.3 Next and following 5.4 Preceding . Architectural principles . Paired Recommendations I International Standards equivalent in

10、technical content . 6.1 6.2 6.3 6.4 6.5 6.6 Architectural concepts . Structural model of a document . 6.2.1 Specific structures . 6.2.2 Content ofa document 6.2.3 Generic structures . Descriptive representation of a document . 6.3.1 Constituents of a document 6.3.2 Content portion descriptions . 6.3

11、.3 Object descriptions . 6.3.4 Object class descriptions 6.3.6 Alternative descriptions 6.3.7 Document profile 6.3.8 Protected part descriptions 6.3.10 Generic-documents . 6.3.1 1 External-documents 6.3.12 Resource-documents . 6.3.13 Classes of document architecture . 6.3.14 Sets of constituents . 6

12、.3.5 Styles . 6.3.9 Document class descriptions Document processing model . 6.4.1 The editing process . 6.4.2 The layout process Roles of the document architecture constituents in document processing 6.5.1 Editing process . 6.5.2 Layout process 6.5.3 Imaging process 6.6.1 Intended and privileged rec

13、ipients 6.6.2 6.6.3 Protecting parts of the document body . 6.4.3 The imaging process . Security protection of parts of a document Protecting parts of the document profile . ITU-T Rec . T.412 (1993 E) Page vii 1 2 2 2 2 2 2 3 3 3 3 3 3 3 4 4 5 5 6 6 6 6 7 7 8 8 9 9 9 10 10 10 11 13 13 13 15 15 15 17

14、 18 19 19 19 20 1 7 Document structures and colour 7.1 Specific structures . 7.1.1 General principles . 7.1.3 Content portions . 7.2.1 Document logical root 7.2.2 Composite logical objects . 7.3 Specific layout structure 7.3.1 Objects of the layout structure 7.3.2 Positioning layout objects . 7.3.3

15、Naming of edges of frames and blocks . 7.3.4 Measurement 7.3.5 Borders of frames and blocks . 7.4 Documents containing both specific structures . 7.5 Generic structures 7.5.2 Generator and factor sets of object class descriptions 7.5.3 Complete generator sets of object class descriptions 7.5.4 Gener

16、ation of structures 7.5.5 7.5.6 Generic logical structure . 7.5.7 Generic layout structure 7.5.8 Resource-document 7.6 Colour 7.6.1 Overview 7.6.2 Reference colour space . 7.6.3 Interchange colour spaces . 7.6.4 Colour imaging model 7.6.5 Colour tolerance . Interface between the document architectur

17、e and content architectures 8.1 General concept . 8.2 Specification of a content architecture 8.3 Interface information . Interface between a content architecture and a basic component description . Interface between a content architecture and a content portion 9 Attribute definitions 7.1.2 Sequenti

18、al order 7.2 Specific logical structures 7.2.3 Basic logical objects . 7.5.1 General principles . Content in generic structures 8 8.3.1 8.3.2 8.3.3 Interface between a content architecture and the document profile 9.1 General principles of attributes 9.1.1 Attribute categorisation 9.1.2 Attribute va

19、lues 9.1.3 Expressions . 9.1.4 Colour attribute values . 9.2 Attribute definition format 9.3 Shared Attributes . 9.3.1 Identification attributes . 9.3.2 Construction attributes 9.3.4 Content architecture class . 9.3.5 Miscellaneous attributes . 9.3.6 Security attributes . 9.3.3 Relationship attribut

20、es Page 20 20 20 21 22 22 22 22 23 23 23 25 26 28 28 29 30 30 31 31 32 32 32 33 33 34 34 34 34 34 35 35 35 36 36 37 37 37 37 37 37 40 44 47 51 51 51 54 56 59 60 63 II ITU-T Rec . T.412 (1993 E) 10 9.4 9.5 9.6 9.7 9.8 9.9 Layout attributes 9.4.1 Property attributes 9.4.2 Formatting attributes . 9.4.3

21、 Imaging attributes . 9.4.4 Presentation attributes . Logical attributes . 9.5.1 Protection Layout style attributes . 9.5.2 Layout style 9.6.1 Layout style identifier . Attributes which can be specified for layout styles 9.6.2 Layout directive attributes . 9.7.1 9.7.2 9.7.3 9.7.4 9.7.5 9.7.6 9.7.7 9

22、.7.8 9.7.9 9.7.10 9.7.1 1 9.7.12 9.7.13 9.7.14 9.7.15 9.7.16 9.7.17 General principles of layout directive attributes . Block alignment Concatenation . Fill order . 85 Floatability range Indivisibility . Layout category Layout object class . Logical stream category Logical stream sub-category . New

23、layout object . Offset . Same layout object . Separation . Synchronisation Interactions and precedences among the layout directive attributes . Interactions among attributes affecting the layout process . Presentation style attributes . 9.8.1 Presentation style identifier 9.8.2 Attributes which can

24、be specified for presentation styles . Content portion attributes 9.9.1 Identification attributes Content identifier - logical; Content identifier - layout . 9.9.2 Common coding attributes -Type of coding . 9.9.3 Content information attributes 9.9.4 Coding attributes 9.10 Protected part attributes .

25、 9.10.1 Protected part identifier 9.10.2 Sealed document profile information . 9.10.3 Enciphered information Reference model of the document layout process . 10.1 Introduction . 10.1.1 Overview 10.1.2 Initialization Content and layout structure generation Laying out content of a document Specific la

26、yout structure generation . Layout references and categories 10.2 10.2.1 10.2.2 10.3 10.3.1 Stream categories 10.3.2 Layout categories 10.3.3 Basic principles of layout streams 10.3.4 Layout object class . ITU-T Rec . T.412 (1993 E) Page 65 65 71 75 81 82 82 82 82 83 83 83 83 84 85 86 87 88 89 89 90

27、 91 92 92 93 94 95 98 98 98 98 99 99 1 00 101 101 102 102 102 103 103 103 103 104 105 105 107 107 107 108 108 110 . 111 . STD-ITU-T RECMN T-412-ENGL 1973 48b259L Ob36488 772 10.4 10.5 10.6 10.7 The effect of some attributes on the document layout process 10.4.1 New layout object . 10.4.2 Floatabilit

28、y range 10.4.4 Indivisibility . 10.4.5 Synchronization 10.4.6 Balance . Layout process for frames . Placement of fiames with variable position Allocation of areas for blocks Determination of the available area 10.4.3 Same layout object . 10.5.1 10.5.2 Placement of frames with fixed position 10.6.1 A

29、lternative representation . 11 Reference model of the document imaging process 1 1.2 Intersection principles . 11.3 General rules for positioning pages on presentation surfaces Nominal page and assured reproduction areas . Positioning of the page . Definition of assured reproduction area Recto/verso

30、 pages . Positioning of pages on soft copy media Reference model for protecting parts of a document . 12.1 The overall model 12.2 The local system 13 Document architecture classes 13.1 Definition of document architecture classes 13.2 The constituents of document architecture classes 13.3 Minimum att

31、ribute sets 13.4 Constraints on attributes Annex A - Notation used to represent document structures A.l Notation for structure diagrams . A.2 Notation for expressions A.2.1 Conventions for production rules . A.2.2 Notation for construction expressions A.2.3 Notation for string expressions . A.2.4 No

32、tation for numeric expressions . A.2.5 Notation for object identifier expressions . A.2.6 Bindings . A.2.7 Notation for references to binding values . Annex B - Examples of document structures B.l Introduction . B.2 Notation used to specify constituents of a document B.2.1 General . B.2.2 Generator

33、for subordinates . B.2.3 Content portions . B.3 Introduction to specimen document B.4 Specific structures . Formatted form documents with specific layout structure only Processable form document with specific logical structure only 1 1.1 Imaging order 1 1.3.1 11.3.2 11.3.3 1 I . 3.4 11.3.5 12 B.4.1

34、3.4.2 iv ITU-T Rec . T.412 (1993 E) Page 111 111 111 112 112 113 113 114 14 14 16 16 18 119 119 119 120 120 120 121 124 124 124 125 125 126 126 127 128 129 130 130 131 131 132 132 133 134 135 135 136 136 136 136 137 137 137 144 144 144 - STD-ITU-T RECMN T-LiLZ-ENGL 3773 D 4862573 Ob36487 b09 B.5 Pro

35、cessable form document with generic logical structure and generic layout structure B.5.2 Generic logical structure . B.5.3 Specific logical structure B.5.1 Introduction B.5.4 Generic layout structure B.5.5 Object descriptions and object class descriptions . B.6 Specific layout structure Annex C - Ex

36、amples of particular document architecture features . c . 1 c.2 c.3 c.4 c.5 Layout of fiames . C.l.l Conventions C.1.2 Position attribute for a frame in a fixed position C.1.3 Single column text of variable height . C.1.4 “Wrapping” of text around a left aligned picture . C.1.5 Picture with text on

37、both sides C.1.6 Multi-lingual synchronized text C.1.7 Footnote placement C.1.8 Tabular layout . Layout of blocks C.2.1 Concatenation . . C.2.2 Offset . C.2.3 Separation . C.2.4 Layout path . C.2.5 Fill order . 187 C.2.6 Block alignment C.2.7 Illustration of attributes used in combination . Further

38、constraints on layout . C.3.1 Layout object class . C.3.3 New layout object . C.3.5 Indivisibility . C.3.6 Balance . Texture and imaging order attributes . C.4.1 Example 4.1 C.4.2 Example 4.2 C.4.4 C.3.2 Synchronization C.3.4 Same layout object . C.4.3 Example4.3 Example 4.4, example of an applicati

39、on . Bindings, content generator . Annex D . The defaulting mechanism The defaulting mechanism as applicable to each defaultable attribute Determination of content portions and their associated attributes . Determination of content associated with basic logical objects . Determination of content ass

40、ociated with layout objects . Annex E - Attribute summary tables . Annex F - Overview of alternative description - Technical and implementation aspects . F.l Substituting basic objects F.2 Independence of substitutions . F.3 Selection of alternatives F.4 Substitution in the initialization process F.

41、5 Syntactical selection of alternatives F.6 Preference between several alternatives D.l D.2 D.2.1 D.2.2 ITU-T Rec . T.412 (1993 E) Page 153 153 153 156 156 156 156 171 171 171 172 173 174 177 181 182 183 185 185 186 186 187 188 189 193 194 194 194 195 195 195 196 196 197 198 201 201 203 203 203 203

42、205 207 216 216 216 216 216 216 217 V - STD-ITU-T RECMN T.412-ENGL 2793 48b2572 Ob3bLi90 320 W Annex G . Further information on security aspects within a document . What can in principle be protected within a document? (3.1.1 What does a document contain? . (3.1.2 What can an unauthorized recipient

43、do with a document? . G.1.3 What protection can be given to a document? G.1.4 Summary . Security features supported by the ITU-T Rec . T.410-Series 1 ISO/IEC 8613 G.2.1 Features provided to an originator G.2.2 Features provided to a privileged recipient . The kinds of protection mechanisms supported

44、 (3.3.2 Integrity (3.3.3 Authenticity (3.3.4 Non-repudiation of origin . Techniques supported by the ITU-T Rec . T.410-Series 1 ISOiEC 8613 . G.4.1 Techniques for confidentiality (3.4.2 Techniques for sealing for content integrity, authenticity and non-repudiation . Further details on the reference

45、model for protecting parts of a document . G.5.1 The overall model . G.5.2 The local system . G.6 Document application profiles Annex H - Conversions between the reference colour space and the interchange spaces . H.l CIE L*u*v* . H.l.l Conversion from the reference colour space to CIE L*u*v* H.1.2

46、Conversion from CIE L*u*v* to the reference colour space H.2 CIEL*a*b* . H.2.1 Conversion from the reference colour space to CIE L*a*b* H.2.2 Conversion from CIE L*a*b* to the reference colour space H.3 RGB H.3.1 Conversion from the reference colour space to linear (non-gamma corrected) RGB . H.3.2

47、Conversion from linear (non-gamma corrected) RGB to the reference colour space . H.3.3 Conversion from non-linear (gamma-corrected) RGB to the reference colour space . H.3.4 Conversion from the reference colour space to non-linear (gamma-corrected) RGB . H.4 CMY(K) H.4.1 Conversion from CMY(K) to th

48、e reference colour space . H.4.2 CMY(K) calibration data H.5 Colour tolerance Annex I - Definitions of colour terms . Annex J - Colour concepts General concepts . J.1.1 An overview of CIE colorimetry J.1.3 Device spaces . 5.2 Colour spaces J.2.1 CIE uniform colour spaces . 5.2.2 J.2.3 CMY(K) colour

49、space 5.3 Gamut compression . 5.4 Colour differences . Annex K - Bibliography on colour G.l G.2 G.3 (3.3.1 Confidentiality G.4 G.5 J . 1 5.1.2 Appearance matching . RGB (Red, Green, Blue) colour space Page 218 218 218 219 219 220 220 220 220 220 221 221 221 221 221 222 222 225 225 227 227 227 228 228 229 229 229 230 230 232 234 234 234 235 236 239 239 239 242 242 243 243 243 245 246 246 247 218 218 228 vi ITU-T Rec . T.412 (1993 E) . STD-ITU-T RECMN T-412-ENGL 1993 48b2591 Clb3b47L 2b7 Introduction This ITU-T Recommendation 1 International Standard was prepared as a joint