ISO/IEC 9636-3:1991

Information technology — Computer graphics — Interfacing techniques for dialogues with graphical devices (CGI) — Functional specification — Part 3: Output

Describes those functions of the interface concerned with output primitives and associated attributes and controls for creating graphical pictures. Annexes A and B form an integral part of this standard. Annexes C, D, E, F, G and H are for information only.

Technologies de l'information — Infographie — Interfaces pour l'infographie — Spécifications fonctionnelles — Partie 3: Sortie

General Information

• Status: Published
• Publication Date: 17-Dec-1991
• ICS: 35.140 - Computer graphics
• Technical Committee: ISO/IEC JTC 1/SC 24 - Computer graphics, image processing and environmental data representation
• Drafting Committee: ISO/IEC JTC 1/SC 24/WG 6 - Computer Graphics and Virtual Reality
• Current Stage: 9093 - International Standard confirmed
• Completion Date: 08-Dec-2021

Standards Content (Sample)

INTERNATIONAL lSO/IEC
STANDARD
9636-3
First edition
1991-12-15
Information technology - Computer graphics -
Interfacing techniques for dialogues with
graphical devices (CGI) - Functional
specification -
Part 3:
output
Technologies de /‘information - infographie - Interfaces pour
Spkifications fonctionnelles -
I’infographie -
Partie 3: Sortie
Reference number
ISO/IEC 9636-3:1991(E)

---------------------- Page: 1 ----------------------
ISO/IEC 9636-3 : 1991 (E)
Contents
Vii
Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . .
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .~.“.“.~.~.~.~. Vlll
scope . 1
Normative references . 2
Concepts . 3
3.1 Introduction . 3
3.2 General output concepts . 3
Types of graphic primitive functions . 3
3.2.1
................................................................................................ 4
3.2.2 Attributes and controls
4
3.2.3 Output states .
5
33 Individual and bundled attribute values .
5
33.1 Introduction .
............................................................ 6
33.2 Modes of attribute specification and selection
6
3.4 Colour .
6
3.4.1 Direct and indexed modes .
8
3.4.2 Background colour .
35 Graphic objects . 9
35.1 Compound objects . 9
35.2 Global and local attributes . 9
353 Detail of graphic object formation . 9
3.6 Clipping associated with graphic objects . 10
3.6.1 Rendering pipelines for clipping . 11
3.7 Line primitives . 13
3.7.1 Line functions . 13
Line attributes . 13
3.7.2
14
3.73 Line geometry .
14
3.7.4 Line clipping .
3.7.5 Allowed latitude . 15
15
3.8 Marker primitive .
.......................................................................................................... 15
38.1 Marker function
15
3.8.2 Marker attributes .
........................................................................................................ 16
3.83 Marker geometry
........................................................................................................... 16
3.8.4 Marker clipping
17
3.9 Text primitives .
17
3.9.1 Text functions .
3.92 Usage of text functions (compound text) . 17
3.93 Text attributes . 17
............................................................................................................. 19
3.9.4 Text geometry
3.9.5 Text clipping . 27
Text fonts and character sets . 28
3.9.6
28
3.9.7 Errors in TEXT OPEN state .
3.9.8 Allowed latitude . 28
3.10 Fill primitives . 29
3.10.1 Fill functions . 29
3.10.2 Fill attributes . 29
3.103 Fill geometry . 31
3.10.4 Fill clipping . 32
Closed figures . 33
3.10.5
37
3.10.6 Allowed latitude .
3.11 Image primitive . 37
3.11.1 Image function . 38
0 ISO/IEC 1991
All rights reserved. No part of this publication may be reproduced or utilized in any form or by
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Printed in Switzerland
ii

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ISO/IEC 9636-3 : 1991 (E)
3.11.5 Allowed latitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
3.12 Generalized Drawing Primitives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
3.12.1 GDP function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
39
. . . . . . . . . . . . . .*.*.
3.13 39
~wiry
State lists and description tables . . . . . . . . .*.*.
3.13.1 39
3.14 Retrieval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
3.14.1 Retrieval of text extent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
4 Interactions with other parts of ISO/IEC 9636 . 41
4.1 Interactions with all other parts of ISO/IEC 9636 . 41
4.1.1 Character set and font selection . 41
4.2 Interactions with ISO/IEC 9636-2 (Control) . 41
4.2.1 Effect of INITIALIZE . 41
4.2.2 Effect of VDC Extent and VDC Type . 41
4.3 Interactions with ISO/IEC 96364 (Segments) . 42
4.3.1 CLIP RECTANGLE, CLIP INDICATOR, and COPY SEGMENT . 42
4.3.2 LINE WIDTH and EDGE WIDTH . 42
4.3.3 MARKER SIZE . 42
4.3.4 PICK IDENTIFIER . 42
4.3.5 Dynamic modification . 42
4.3.6 Segment open state . 42
4.4 Interactions with ISO/IEC 9636-5 (Input) . 43
4.5 Interactions with ISO/IEC 9636-6 (Raster) . 43
4.5.1 State related restrictions . 43
Interior style BITMAP . 43
4.5.2
Drawing modes . 43
4.53
................................................................................................................. 44
5 Abstract specification of functions
Introduction . 44
5.1
5.1.1 Data types employed . 44
Graphic primitive functions . 44
5.2
POLYLINE . 44
5.2.1
.............................................................................................. 45
5.2.2 DISJOINT POLYLINE
.......................................................................................
5.2.3 CIRCULAR ARC 3 POINT 45
5.2.4 CIRCULAR ARC CENTRE . 45
CIRCULAR ARC CENTRE REVERSED . 46
5.2.5
ELLIPTICAL ARC . 47
5.2.6
.............................................................................................. 47
5.2.7 CONNECTING EDGE
POLYMARKER . 48
5.2.8
48
5.2.9 TEXT .
................................................................................................
5.2.10 RESTRICTED TEXT 49
APPEND TEXT . 50
5.2.11
50
5.2.12 POLYGON .
5.2.13 POLYGON SET . 51
5.2.14 RECTANGLE . 51
5.2.15 CIRCLE . 52
5.2.16 CIRCULAR ARC 3 POINT CLOSE . 52
5.2.17 CIRCULAR ARC CENTRE CLOSE . 53
5.2.18 ELLIPSE . 53
5.2.19 ELLIPTICAL ARC CLOSE . 54
5.2.20 CELL ARRAY . 54
GENERALIZED DRAWING PRIMITIVE (GDP) . 55
5.2.21
5.3 Attribute functions . 56
LINE BUNDLE INDEX . 56
5.3.1
................................................................................................................ 56
5.3.2 LINE TYPE
............................................................................................................ 57
5.3.3 LINE WIDTH
5.3.4 LINE COLOUR . 57
5.3.5 LINE CLIPPING MODE . 57
5.3.6 MARKER BUNDLE INDEX . 57
5.3.7 MARKER TYPE . 58
5.3.8 MARKER SIZE . 58
5.3.9 MARKER COLOUR . 58
MARKER CLIPPING MODE . 59
5.3.10
.0.
111

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ISO/lEC 9636-3 : 1991 (E)
59
...........................................................................................
53.11 TEXT BUNDLE INDEX
59
.................................................................................................
5.3.12 TEXT FONT INDEX
59
....................................................................................................
5.3.13 TEXT PRECISION
....................................................................
60
5.3.14 CHARACTER EXPANSION FACTOR
60
..........................................................................................
5.3.15 CHARACTER SPACING
60
.........................................................................................................
53.16 TEXT COLOUR
60
............................................................................................
53.17 CHARACTER HEIGHT
61
................................................................................
53.18 CHARACTER ORIENTATION
61
...............................................................................................................
53.19 TEXT PATH
61
.................................................................................................
53.20 TEXT ALIGNMENT
62
.......................................................................................
53.21 CHARACTER SET INDEX
..............................................................
62
53.22 ALTERNATE CHARACTER SET INDEX
62
..................................................................
53.23 CHARACTER CODING ANNOUNCER
63
.............................................................................................
53.24 FILL BUNDLE INDEX
63
....................................................................................................
53.25 INTERIOR STYLE
63
...........................................................................................................
53.26 FILL COLOUR
63
.........................................................................................................
53.27 HATCH INDEX
64
.....................................................................................................
53.28 PATTERN INDEX
64
........................................................................................
53.29 FILL REFERENCE POINT
64
.........................................................................................................
5330 PATTERN SIZE
65
...........................................................................................
5331 EDGE BUNDLE INDEX
65
...............................................................................................................
5332 EDGE TYPE
65
5333 EDGE WIDTH .
66
5334 EDGE COLOUR .
66
..........................................................................................
EDGE CLIPPING MODE
5335
66
EDGE VISIBILITY .
5336
66
. . . . . . . . . . .*.
5.4 General attribute and output control functions
66
CLIP INDICATOR .
5.4.1
67
CLIP RECTANGLE .
5.4.2
67
..................................................................
LINE WIDTH SPECIFICATION MODE
5.43
67
................................................................
EDGE WIDTH SPECIFICATION MODE
5.4.4
68
...............................................................
MARKER SIZE SPECIFICATION MODE
5.45
68
................................................................................
COLOUR SELECTION MODE
5.4.6
68
.....................................................................................
COLOUR VALUE EXTENT
5.4.7
.......................................................................................
69
BACKGROUND COLOUR
5.408
69
AUXILIARY COLOUR .
5.4.9
69
.....................................................................................................
5.4.10 TRANSPARENCY
70
......................................................................................................
5.4.11 COLOUR TABLE
70
........................................................................................
5.4.12 LINE REPRESENTATION
70
................................................................................
5.4.13 MARKER REPRESENTATION
71
......................................................................................
5.4.14 TEXT REPRESENTATION
72
........................................................................................
5.4.15 FILL REPRESENTATION
72
......................................................................................
5.4.16 EDGE REPRESENTATION
73
................................................................
5.4.17 DELETE BUNDLE REPRESENTATION
73
.......................................................................................
5.4.18 ASPECT SOURCE FLAGS
74
....................................................................................................
5.4.19 PATTERN TABLE
74
..................................................................................................
5.4.20 DELETE PATTERN
75
................................................................................................................
5.4.21 FONT LIST
75
...........................................................................................
CHARACTER SET LIST
5.4.22
75
............................................................................
SAVE PRIMITIVE ATTRIBUTES
5.4.23
76
....................................................................
RESTORE PRIMITIVE ATTRIBUTES
5.4.24
77
.....................................................
DELETE PRIMITIVE ATTRIBUTE SAVE SET
5.4.25
77
.........................................................................................................
5.4.26 BEGIN FIGURE
77
.............................................................................................................
5.4.27 END FIGURE
78
...........................................................................................................
5.4.28 NEW REGION
78
55 Retrieval functions .
78
.................................................................................................
5.5.1 GET TEXT EXTENT
80
.................................................................................................................................
6 Output inquiry functions
80
6.1 Introduction .
80
...................................................................................................
6.1.1 Data types employed
80
.................................................................................
6.1.2 Validity of returned information
1v

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ISO/IEC 9636-3 : 1991 (E)
............................................................................................... 80
Primitive support description table
6.2
INQUIRE PRIMITIVE SUPPORT LEVELS . 80
6.2.1
......................................................................................... 81
6.2.2 LOOKUP GDP SUPPORT
.................................................................................. 81
6.23 INQUIRE GDP ATTRIBUTES
81
Line description table .
63
INQUIRE LINE CAPABILITY . 81
6.3.1
INQUIRE LIST OF AVAILABLE LINE TYPES . 81
6.3.2
INQUIRE LIST OF AVAILABLE SCALED LINE WIDTHS . 82
6.3.3
Marker description table . 82
6.4
.........................................................................
6.4.1 INQUIRE MARKER CAPABILITY 82
6.4.2 INQUIRE LIST OF AVAILABLE MARKER TYPES . 82
INQUIRE LIST OF AVAILABLE SCALED MARKER SIZES . 82
6.4.3
....................................................................................................................
Text description table 83
6.5
6.5.1 INQUIRE TEXT CAPABILITY . 83
........................................ 83
6.5.2 INQUIRE LIST OF AVAILABLE CHARACTER SETS
................................................... 83
6.5.3 INQUIRE LIST OF AVAILABLE TEXT FONTS
INQUIRE FONT. CAPABILITIES . 84
6.5.4
........ 84
6.5.5 INQUIRE LIST OF AVAILABLE CHARACTER EXPANSION FACTORS
............................... 84
6.5.6 INQUIRE LIST OF AVAILABLE CHARACTER SPACINGS
INQUIRE LIST OF AVAILABLE CHARACTER HEIGHTS . 85
6.5.7
85
INQUIRE LIST OF AVAILABLE CHARACTER ORIENTATIONS .
6.5.8
Fill description table . 85
6.6
INQUIRE FILL CAPABILITY . 85
6.6.1
.............................................. 86
6.6.2 INQUIRE LIST OF AVAILABLE HATCH STYLES
86
6.7 Edge description table .
............................................................................... 86
6.7.1 INQUIRE EDGE CAPABILITY
86
INQUIRE LIST OF AVAILABLE EDGE TYPES .
6.7.2
INQUIRE LIST OF AVAILABLE SCALED EDGE WIDTHS . 87
6.7.3
................................................................................................... 87
6.8 Output control description table
......................................................................... 87
6.8.1 INQUIRE COLOUR CAPABILITY
....................................................................... 87
6.8.2 INQUIRE CIE CHARACTERISTICS
6.8.3 INQUIRE MAXIMUM NUMBER OF SIMULTANEOUSLY SAVED
.................................................................................................... 87
ATTRIBUTE SETS
88
6.8.4 INQUIRE ARRAY OF SUPPORTED CHARACTER CODING ANNOUNCERS
88
6.9 Line attribute state list .
88
6.9.1 INQUIRE LINE ATTRIBUTES .
........................................................ 88
6.9.2 INQUIRE LIST OF LINE BUNDLE INDICES
88
6.9.3 INQUIRE LINE REPRESENTATION .
89
6.10 Marker attribute state list .
........................................................................ 89
6.10.1 INQUIRE MARKER ATTRIBUTES
................................................ 89
6.10.2 INQUIRE LIST OF MARKER BUNDLE INDICES
.............................................................. 89
6.10.3 INQUIRE MARKER REPRESENTATION
90
6.11 Text attribute state list .
90
6.11.1 INQUIRE TEXT ATTRIBUTES .
....................................................... 90
6.11.2 INQUIRE LIST OF TEXT BUNDLE INDICES
.................................................................... 90
6.11.3 INQUIRE TEXT REPRESENTATION
91
Fill attribute state list .
6.12
INQUIRE FILL ATTRIBUTES . 91
6.12.1
....................................................................... 91
6.12.2 INQUIRE PATTERN DIMENSIONS
................................................................................................ 91
6.12.
...