ANSI ISO IEC 9541-1-1991 Information technology - Font information interchange - Part 1 Architecture (Adopted by INCITS).pdf

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1、INTERNATIONAL STANDARD ISOJIEC 9541-l First edition 1991-09-I 5 Information technology - Font information interchange - Part 1: Architecture Technologies de /information - ichange dinformations sur /es fontes - Partie 7: Architecture Reference number ISO/IEC 9541-1:1991(E) Adopted by INCITS (InterNa

2、tional Committee for Information Technology Standards) as an American National Standard.Date of ANSI Approval: 1/14/99Published by American National Standards Institute,25 West 43rd Street, New York, New York 10036Copyright 2002 by Information Technology Industry Council (ITI).All rights reserved.Th

3、ese materials are subject to copyright claims of International Standardization Organization (ISO), InternationalElectrotechnical Commission (IEC), American National Standards Institute (ANSI), and Information Technology Industry Council(ITI). Not for resale. No part of this publication may be reprod

4、uced in any form, including an electronic retrieval system, withoutthe prior written permission of ITI. All requests pertaining to this standard should be submitted to ITI, 1250 Eye Street NW,Washington, DC 20005.Printed in the United States of AmericaISO/IEC 954%1:1991(E) Contents Page 1 Scope . .

5、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 Normative references . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6、 . . . . . . . . . . . . . . . . . . . . . . . 1 3 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 4 Notation . . . . . . . . . . . . . . . . . . . . . . . . .

7、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 5 Data types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 5

8、.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 5.2 Properties and property-lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9、 . . . . . . 4 5.3 Values and value-lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 5.4 Structured-names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10、 . . . . . . . . . . 5 5.4.1 ISO/IEC 9541 and ISO/IEC 10036 names . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 5.4.2 ICDOOlO names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5.5 Formal notation .

11、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 6 Glyph identification 8 6.1 General . 8 6.2 ISOAEC 10036 glyph names 8 6.3 ISO/IEC 10036 glyph registration authority 8 7 Glyph collection identification . 8

12、 7.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 7.2 ISO/IEC 10036 glyph collection names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 7.3 ISO/

13、IEC 10036 glyph collection registration authority . . . . . . . . . . . . 9 8 Font resource . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 8.1 General . . . . . . . . . . . . . . . . . . . . .

14、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 8.1.1 Font resource name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 8.1.2 Font resource descript

15、ion properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 8.1.3 Font resource modal properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 6 ISO/IEC 1991 All rights reserved. Unless otherwise specified no part of this publication may b

16、e reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. ISO/IEC Copyright Office l Case Postale 56 l CH-1211 Geneve 20 l Switzerland Printed in Switzerland ii ISO/IEC 9541-1:1991(E) 8.1.3.

17、1 Writing mode properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.1.3.2 Glyph metrics properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.1.4 Glyph shape representation properties . .

18、 . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.15 Formal data type definition of a font resource . . . . . . . . . . . . . . . . . . 8.2 Glyph coordinate system 8.3 Linear scaling model . 8.4 Extensibility . 8.5 Specification of font resource name (FONTNAME) . 8.6 Description of font resou

19、rce description properties (FONTDESCRIPTION) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 10 10 10 11 12 13 13 13 8.6.1 Data Version (DATAVERSION) . 14 8.6.2 Standard Version (STANDARDVERSION) 14 8.6.3 Data Source (DATASOURC

20、E) 14 8.6.4 Data Copyright (DATACOPYRIGHT) 15 8.6.5 Design Source (DSNSOURCE) 15 8.6.6 Design Copyright (DSNCOPYRIGHT) . 15 8.6.7 Relative Rational Units (RELUNITS) . 15 8.6.8 Typeface Name (TYPEFACE) 16 8.6.9 Font Family Name (FONTFAMILY) . 16 8.6.10 Posture (POSTURE) . 16 8.6.11 Posture Angle (POS

21、TUREANGLE) . 17 8.6.12 Weight (WEIGHT) . 17 8.6.13 Proportionate Width (PROPWIDTH) . 18 8.6.14 Structure (STRUCTURE) . 18 8.6.15 Design Group (DSNGROUP) 19 8.6.16 Glyph Complement (GLYPHCOMP) 19 8.6.16.1 Number of Glyphs (NUMGLYPHS) 20 8.6.16.2 Included Glyph Collections (INCGLYPHCOLS) 20 8.6.16.3 E

22、xcluded Glyph Collections (EXCGLYPHCOLS) . 20 8.6.16.4 Included Glyphs (INCGLYPHS) 20 8.6.16.5 Excluded Glyphs (EXCGLYPHS) 21 III ISO/IEC 9541-1:1991(E) 8.6.17 Design Size, Recommended Minimum and Maximum Size (DSNSIZE, MINSIZE, MAXSIZE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23、. . . . . . . 21 8.6.18 Capital Height (CAPHEIGHT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 8.6.19 Lowercase Height (LCHEIGHT) . 22 8.6.20 Minimum Feature Size (MINFEATSZ) 22 8.6.21 Nominal Capital Stem Width (NOMCAPSTEMWIDTH) . 22 8.6.22 Nominal Lower

24、case Stem Width (NOMLCSTEMWIDTH) 23 8.6.23 Nominal Writing Mode (NOMWRMODE) . . . . . . . . . . . . . . . . . . . . . . 23 8.7 Specification of font resource modal properties (WRMODES) 23 8.7.1 Writing Mode (WRMODE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

25、. . . . . . 24 8.7.1.1 Writing Mode Name (WRMODENAME) 26 8.7.1.2 Nominal Escapement Direction (NOMESCDIR) 26 8.7.1.3 Escapement Class (ESCCLASS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 8.7.1.4 Average Escapement (AVGESCX, AVGESCY) . . . . . . . . . . . . . . . 27 8

26、.7.1.5 Average Lowercase Escapement (AVGLCESCX, AVGLCESCY) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 8.7.1.6 Average Capital Escapement (AVGCAPESCX, AVGCAPESCY) . . . . . . . . . . . . . . . . . . . . . .

27、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 8.7.1.7 Tabular Escapement (TABESCX, TABESCY) . . . . . . . . . . . . . . . . . 28 8.7.1.8 Maximum Font Extents (MAXFONTEXT) . . . . . . . . . . . . . . . . . . . . . . . 28 8.7.1.9 Sectors-Pairwise Escapement Adj

28、ustment Descriptions (SECTORS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 8.7.1.10 Escapement Adjustments (ESCADJS) 29 8.7.1 .lO.l Escapement Adjustment (ESCADJ) . 30 8.7.1.10.1.1 Escapement Adjustmen

29、t Mode Name (ESCADJNAME) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 8.7.1.10.1.2 Class-Pairwise Escapement Adjustments (CPEA) . . 30 8.7.1.10.1.3 Scale Escapement Correction (SEC) . . . . . . . . . . . . . . . . . . . . . . . 32 8.7

30、.1.11 Recommended Pairwise Escapement Adjustment Size (MINESCADJSZE, MAXESCADJSZE) . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 8.7.1.12 Scores (SCORES) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 8.7.1.12.1 Score

31、 (SCORE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 8.7.1.12.1.1 Score Name (SCORENAME) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 8.7.1.12.1.2 Score Position Offset (SCOREOFFSETX, SCOREOFFSETY)

32、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 iv lSO/lEC 9541-1:1991(E) 8.7.1.12.1.3 Score Thickness (SCORETHICK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 8.7.1.13 Variant Scripts (VSCRIPTS) . . . . . . . . . . . . . . .

33、 . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 8.7.1.13.1 Variant Script (VSCRIPT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 8.7.1.13.1.1 Variant Script Name (VSNAME) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 8.7.1.13.1

34、.2 Variant Script Position Offset (VSOFFSETX, VSOFFSETY) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 8.7.1.13.1.3 Variant Script Anamorphic Scale Factors (VSSCALEX, VSSCALEY) . . . . . . . . . . . . . . . . . . . . . . . .

35、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 8.7.1.14 Recommended Minimum Alignment Line-to-Line Spacing Distance (MINLINESP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 8.7.1.15 Recommended Minimum and Maximu

36、m Anamorphic Scale Factors (MINANASCALE, MAXANASCALE) . . . . . . . . . . . . . . . . . 37 8.7.1.16 Nominal Alignment Mode (NOMALIGN) . . . . . . . . . . . . . . . . . . . . . . 38 8.7.1.17 Alignment Modes (ALIGNMODES) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 8.7.1.17.1 Alignment

37、 Mode (ALIGN) . . . . . . . . . . . . . . . . . . . . . . . 39 8.7.1.17.1.1 Alignment Mode Name (ALIGNNAME) . . . . . . . . . . . . . . . . . . 39 8.7.1.17.1.2 Alignment Line Position Offset (ALIGNOFFSETX, ALIGNOFFSETY) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

38、. . . . . . . . . . . . . 40 8.7.1.17.1.3 Alignment Mode Anamorphic Scale Factors (ALIGNSCALEX, ALIGNSCALEY) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 8.7.1.18 Copy Fit Techniques (COPYFITS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 8.7.1.18.1 Copy Fit Techn

39、ique (COPYFIT) 41 8.7.1.18.1.1 Copy Fit Technique Name (COPYFITNAME) 42 8.7.1.18.1.2 Copy Fit Measure (COPYFITMEASURE) . . . . . . . . . . . . . . . . 42 8.7.1.19 Design, Recommended Minimum and Maximum Wordspace Adjustments (DSNWORDADD, DSNWORDAMPL, MINWORDADD, MINWORDAMPL, MAXWORDADD, MAXWORDAMPL)

40、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 8.7.1.20 Design, Recommended Minimum and Maximum Letterspace Adjustments (DSNLETTERADD, DSNLETTERAMPL, MINLETTERADD, MINLETTERAMPL, MAXLETTERADD, MAXLETTERAMPL) . . . . . . . . . . . _

41、 43 8.8 Specification of font resource glyph metrics properties (GLYPHMETRICS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 8.8.1 Glyph Metric (GMETRIC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

42、 . . . . . . . . . . . . . . . . . . . . . 45 8.8.1.1 Glyph Name (GNAME) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 8.8.1.2 Glyph Position and Escapement Points (PX, PY, EX, EY) 45 ISO/IEC 9541-1:1991(E) 8.8.1.3 Glyph Extents (EXT) . .

43、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 8.8.1.4 Glyph Ligature Relationships (LG.9 47 8.8.1.4.1 Ligature (LG) 48 8.8.1.4.1.1 Ligature Name (LGN) 48 8.8.1.4.1.2 Ligature Successor Names (LGSN) 48 8.8.1.5 Glyph Pairwise Escapement

44、Adjustments (PEAS) . 49 8.8.1.5.1 Pairwise Escapement Adjustment (PEA) . 49 8.8.1.5.1.1 Paitwise Escapement Adjustment Name (PEAN) . . . . 50 8.8.1.5.1.2 Pair-wise Escapement Adjustment (PEAX, PEAY) . . . . 50 8.8.1.5.1.3 Sector-Painwise Escapement Adjustment Extents (SPEAFORWDX, SPEAFORWDY, SPEABAC

45、KWDX, SPEABACKWDY) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 8.8.1.6 Class-Pairvvise Escapement Adjustment Class Indicator (CPEAI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

46、. . . . . . . . . . . . . . . . . . . . . . . . . . 52 8.8.1.7 Escapement Adjustment Indicator (EAI) . . . . . . . . . . . . . . . . . . . . . . . . . 53 8.8.1.8 Minimum and Maximum Adjusted Escapement (MINEX, MINEY, MAXEX, MAXEY) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

47、 . . . . . . . . . . . . 53 Annexes A Typeface design grouping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 6 Font concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

48、. . . . . . . . . . . . . . . . . 75 6.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 6.2 Font resource environment . 76 6.2.1 Font production . 76 6.2.2 Font resource inst

49、allation, storage and access . . . . . . . . . . . . . . . . . 76 B.3 Application environment 77 B.3.1 Text processing systems 77 8.3.2 Document processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 B.3.2.1 Document editing . 77 B.3.2.2 Document formatting . 77 B.3.2.3 Document presentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 8.3.3 Font referencing 78 B.3.4 Glyph referencing 78 B.3.5 Glyph positioning . 78 vi ISO/IEC 954%1:1991(E) B.3.6 Glyph shape presenta

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