AXI Datasheet

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AXI

: Ada to X/Motif Interface

Advanced Graphics for Ada Developers

ew from Advanced Technology Center

(ATC), AXI

is an Ada-to-X Window

System

interface that gives Ada 95

and Ada 83 programmers full use of the X

Window System's network display services and

the OSF/Motif

graphical user interface (GUI)

standard. AXI makes available X and Motif

application program interface (API) features that

were previously available only in the C

language. With AXI, experienced X, Motif and

Ada programmers are not forced to learn a new

syntax or tool but can become productive

immediately.

Complete X Interface and P

Complete X Interface and Portability

ortability

AXI gives Ada programmers access to more

than 2,000 functions and types in the X

library, extensions, and utilities, the Xt toolkit

and the Motif widget set and resource

manager. Events and callbacks are handled

consistently and can coexist with legacy code

written in C. AXI supports X11 release 5 and

6 and Motif 1.2.

AXI is available for the most widely used

Ada compilers, including AdaWorld

APEX

, GNAT, ICC

, ObjectAda

PowerAda

and VADS.

Ada 95 Compatible

Ada is a programming language that

supports modern software

engineering practices and helps

developers deliver reliable, portable

software systems. Ada 95 builds on

the strengths of Ada by adding the

flexibility of object-oriented

programming to the Ada language.

The current AXI product supports

both Ada 83 and Ada 95, and

preserves the API of previous AXI

(Ada 83) releases. This allows

existing customers to migrate to the

newer Ada 95 compilers with minimal

changes. Those beginning development in Ada

95 can readily use AXI for fully compatible Ada

95 code.

Ada GUI Development

ATC has relationships with two of the leading

UIM/X GUI builder vendors. ATC teamed with

these companies to facilitate the generation of

Ada code from UIL files created in UIM/X.

Each product generates ADA code that is

compatible with the AXI bindings.

The resulting products are:

Ada-UIM/X -

A GUI builder for Ada

developers that is based on the award-winning

UIM/X

development tool from Bluestone,

Inc. Ada-UIM/X was developed as a joint

effort between ATC and Bluestone and is

marketed by Bluestone.

UIM/Ada -

A GUI builder for Ada

developers that is based on Black & White

Software's market-leading version of UIM/X.

Black & White Software integrated ATC's

UIL/Trans product with UIM/X to produce

UIM/Ada. It generates Ada code compatible

with the AXI bindings.

Highlights

. . . . . . . . . . .

PPPPProduct

roduct

* Ada to X/Motif

Interface for Ada 83

and Ada 95

Programmers

FFFFFeatures

eatures

* Ada 95 Compatible

* UIL to Ada Code

Conversion

* Includes Ada

Binding to X PixMap

* Variable Length

Argument Lists

Support

* Widget Subclassing

Support

General

* Supports a Variety

of Ada Compilers

* Runs on most UNIX

platforms

* Compatible with

leading GUI

Builders

Software Development T

Software Development Tools F

ools F

ools From A

rom A

rom ATTTTTC

Software Development T

Software Development Tools F

ools F

ools From A

rom A

rom ATTTTTC

ADVANCED

TECHNOLOGY

CENTER

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AXITM is an Ada to X-Window System interface that provides

full use of the X Window System's network display services

and the OSF/Motif graphical user interface (GUI) standard

Page 2

UIL to Ada Conversion

UIL simplifies the layout of complex Motif

applications. UIM/XTM and other GUI builder

tools can be used to generate UIL, which can

then be converted to Ada. Advantages of UIL

to Ada conversion include the speedup of

complex displays and the elimination of

ancillary UIL files. ATC's UIL/Trans 2.2 UIL

to Ada converter is bundled with AXI. UIL/

Trans is capable of generating the complete

skeleton of a Motif application in Ada; the

programmer needs only to code the callbacks

separately.

Ada Bindings To XPM

X PixMap format 3 (XPM 3) is a de facto

standard for handling multicolor images in X.

AXI includes bindings to the entire XPM 3

API as well as XPM resource converters for

Motif and the XPM 3.4h library. AXI's Ada

bindings to XPM allow the Ada programmer

to specify multicolor pixmaps as Motif

resources and to load and save multicolor

pixmaps in AXI applications.

Varargs API

arargs API

All of the functions in the Xt toolkit and Motif

that take variable-length argument lists have

been implemented in AXI. Use of these

functions eliminates much tedious and error-

prone construction of argument lists. AXI also

implements many ease-of-use and type-safety

features that are available only through the

Ada language. There is no performance

penalty for the use of AXI subprograms

through the varargs API.

TTTTTwo APIs In One

wo APIs In One

AXI includes two major APIs, each with its

own syntax: the native AXI API, which

adheres to the X and Motif syntax

documented in the O'Reilly X Window

System Series; and the AXI STARS API,

which adheres to the syntax of the STARS

bindings to X. The choice of native AXI vs.

STARS API may be made based on program

management considerations; for example,

the native AXI API adheres closely to well-

known X and Motif conventions and is

easier for experienced X and Motif

programmers to learn, while the STARS API

facilitates porting of reusable code or legacy

code to AXI. There are no performance

differences between the two APIs.

Widget Subclassing

Sometimes an application cannot be written

using just the basic Motif widget set. It may

be desirable to develop additional widgets that

can then be used in the application. AXI

supports widget subclassing by providing

complete data structures for the private data of

each widget class in the Xt toolkit and Motif.

Widgets created by user-defined procedures

are also supported in the UIL/Trans UIL to

Ada translator.

PPPPPart of Advanced

art of Advanced

TTTTTechnology Center

echnology Center

echnology Center 's

Comprehensive

Offering of P

Offering of Products

roducts

and Services

AAAAATTTTTC is a leader in providing

C is a leader in providing

application developers with

high performance graphics

environments based on the

industry

industry's leading standards,

's leading standards,

including Graphical K

including Graphical Kernel

ernel

System (GKS), Computer

Graphics Metafile (CGM),

PPPPProgrammer

rogrammer

rogrammer's Hierarchical In-

's Hierarchical In-

teractive Graphics System

(PHIGS), and the M.I.T

(PHIGS), and the M.I.T. X W

. X W

. X Win-

in-

dow System and OSF/Motif

dow System and OSF/Motif.....

AAAAATTTTTC

C's family of Ada bindings

's family of Ada bindings

to graphics libraries works

with leading Ada compilers

and on most UNIX platforms.

AAAAATTTTTC has considerable expe

C has considerable expe

C has considerable expe-----

rience in porting graphics

software between platforms

and in the development of

custom Ada bindings and

graphics solutions.

22982 Mill Creek Drive

Laguna Hills, CA 92653

Tel: (714) 583-9119 * Fax: (714) 583-9213

Website: www.atc.com * Email: info@atc.com

The Latest in AXI

Software Development T

Software Development Tools F

ools F

ools From A

rom A

rom ATTTTTC

. . . . . . . . . . . . . . . . . . . . . . . . . . .

AXI and ATC are trademarks of Advanced Technology Center. All other trademarks are the the property of their respective owners.

For Additional P

For Additional Product Information, Visit Our Internet W

roduct Information, Visit Our Internet W

roduct Information, Visit Our Internet Website at: http://www

ebsite at: http://www

ebsite at: http://www.atc.com/tools.html

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