BS ISO/IEC 9636-4 : 1991

Foreword
Introduction
1 Scope
2 Normative references
3 Concepts
3.1 Introduction
3.1.1 Relationship of CGI segments to the graphic
        output pipeline
3.2 Creating segments
3.2.1 Segment identifiers
3.2.2 Creating and closing segments
3.2.3 Non-retained data
3.2.4 Segment storage overflow
3.3 Segment attributes
3.3.1 Introduction
3.3.2 Segment highlighting
3.3.3 Segment visibility
3.3.4 Segment detectability
3.3.5 Segment display priority
3.3.6 Segment pick priority
3.3.7 Segment transformation
3.4 Segment display
3.4.1 Introduction
3.4.2 Segment regeneration
3.4.3 Quick update methods
3.4.4 Explicit segment display
3.5 Copy segment and the inheritance filter
3.6 Delete and rename segments
3.7 Inquiry
3.8 Picking
3.9 State restrictions
4 Interactions with other parts of ISO/IEC 9636
4.1 Interactions with ISO/IEC 9636-2
4.1.1 INITIALIZE and TERMINATE
4.2 Interactions with ISO/IEC 9636-5
4.3 Interactions with ISO/IEC 9636-6
5 Abstract specification of functions
5.1 Introduction
5.1.1 Data types employed
5.1.2 Validity of returned information
5.2 Segment manipulation functions
5.2.1 GET NEW SEGMENT IDENTIFIER
5.2.2 CREATE SEGMENT
5.2.3 REOPEN SEGMENT
5.2.4 CLOSE SEGMENT
5.2.5 COPY SEGMENT
5.2.6 DELETE SEGMENT
5.2.7 DELETE ALL SEGMENT
5.2.8 RENAME SEGMENT
5.2.9 DRAW ALL SEGMENTS
5.2.10 IMPLICIT SEGMENT REGENERATION MODE
5.2.11 RESET REGENERATION PENDING
5.2.12 PICK IDENTIFIER
5.3 Segment attribute functions
5.3.1 SEGMENT VISIBILITY
5.3.2 SEGMENT TRANSFORMATION
5.3.3 SEGMENT HIGHLIGHTING
5.3.4 SEGMENT DISPLAY PRIORITY
5.3.5 SEGMENT DETECTABILITY
5.3.6 SEGMENT PICK PRIORITY
5.4 Miscellaneous segment functions
5.4.1 SIMULATE PICK
5.4.2 INHERITANCE FILTER
5.4.3 CLIPPING INHERITANCE
6 Segment inquiry functions
6.1 Introduction
6.1.1 Data types employed
6.1.2 Validity of returned information
6.2 Segment description table
6.2.1 INQUIRE SEGMENT CAPABILITY
6.3 Segment state list
6.3.1 INQUIRE SEGMENT STATE
6.3.2 INQUIRE LIST OF INHERITANCE FILTER SETTINGS
6.3.3 INQUIRE CLIPPING INHERITANCE
6.3.4 INQUIRE LIST OF SEGMENT IDENTIFIERS IN USE
6.4 Individual segment state list
6.4.1 INQUIRE INDIVIDUAL SEGMENT STATE
7 CGI description tables and state lists
7.1 Description tables
7.2 State lists
7.2.1 Segment state list
7.2.2 Individual segment state list
A Formal grammar of the functional specification
B Segment errors
C Guidelines to implementors
D Examples of COPY SEGMENT

Describes functions of Computer Graphics Interface related to creation, modification, and manipulation of graphic pictures using segments. Should be read in conjunction with ISO/IEC 9636-1, ISO/IEC 9636-2, and ISO/IEC 9636-3. The relationship of this part of ISO/IEC 9636 to the other parts of ISO/IEC 9636 is described in this part pertains to Virtual Devices of class OUTPUT and OUTIN.