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Adobe 65010248 Scripting Guide - Page 31

Paths and shapes, User-interaction levels, AppleScript

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CHAPTER 3: Scripting Illustrator Paths and shapes 31 Paths and shapes Paths are represented in the Illustrator DOM by the path item object. Path items include all artwork that contains paths, such as rectangles, ellipses, and polygons, as well as freeform paths. A freeform path consists of a series of path points. A path point can be specified in two ways: ➤ As an array of x and y page coordinates. ➤ As a path point object, which defines an anchor point and two direction points or handles that define the path segment's curve: For details, samples, and information on creating shapes, see the chapter for your scripting language. User-interaction levels When user feedback is required, an application typically presents a dialog. This is called user interaction. It is useful and expected when you are directly interacting with the application; however, when a script is interacting with an application, a dialog brings the execution of the script to a halt until the dialog is dismissed. This can be a serious problem in an automation environment, where there is no one present to deal with dialogs. The application object contains a user interaction level property that allows you to control the level of interaction allowed during script execution. You can suppress interaction in an automation environment or allow some interaction where scripts are being used in a more interactive fashion. AppleScript Using AppleScript, it is possible to send commands from one machine to another, so additional types of interaction are possible. In AppleScript:, there are four possible values for the user interaction level property: Property Value never interact interact with self interact with local interact with all Result No interaction is allowed. Interact only with scripts executed from the Scripts menu (File > Scripts). Interact with scripts executed on the local machine (including self ). Interact with all scripts.

Section	Page
Introduction	6
What is scripting?	6
Why use scripting?	6
What about actions?	6
Script support in Adobe Illustrator CS4	7
ExtendScript features	7
ExtendScript tools	7
Script file extensions	7
Viewing sample scripts	8
Viewing the object model	8
Viewing the JavaScript object model	8
Viewing the AppleScript object model	8
Viewing the VBScript object model	9
Executing scripts	9
Installing scripts in the Scripts menu	10
Executing scripts from the Other Scripts menu item	10
Startup scripts (.jsx scripts only)	10
Application-specific startup scripts folder	10
General startup scripts folder	11
Changes since CS3	11
Known issues	16
The Illustrator Scripting Object Model	17
Object-naming conventions	18
Top-level (containing) objects	18
Application	18
Document	19
Layer	19
The artwork tree	19
Art styles	20
Color objects	21
Text objects	21
Text frames	21
Text geometry	22
Objects that represent text content	22
Text ranges	23
Text styles	23
Dynamic objects	24
Symbols	24
Transformations	24
Scripting Illustrator	25
Launching and quitting Illustrator from a script	25
Launching and activating Illustrator	25
AppleScript	25
JavaScript	25
VBScript	25
Quitting Illustrator	26
AppleScript	26
JavaScript	26
VBScript	26
Working with objects	26
Getting the frontmost document or layer	26
Creating new objects	26
Collection objects	27
AppleScript	27
JavaScript	27
VBScript	28
Selected objects	28
Selecting text	28
Selecting art items	28
Referring to selected art items	28
Notes on renaming objects stored in the application’s panels	28
Measurement units	29
Em space units	29
Page-item positioning and dimensions	29
Art item bounds	30
Paths and shapes	31
User-interaction levels	31
AppleScript	31
JavaScript	32
VBScript	32
Printing Illustrator documents	32
Scripting with AppleScript	33
For more information	33
Your first Illustrator script	33
Adding features to “Hello World”	34
Object references	34
Obtaining objects from documents and layers	35
Creating new objects	35
Working with selections	35
Selecting artwork objects	36
Working with text frames	36
Threaded frames	36
Threaded frames make one story object	37
Creating paths and shapes	37
Paths	37
Specifying a series of x-y coordinates	37
Using path point objects	37
Combining path point types	38
Shapes	38
Write-once access	39
Creating a rectangle	39
Creating a polygon	39
Scripting with JavaScript	40
For more information	40
Your first Illustrator script	40
Adding features to “Hello World”	41
Working with methods in JavaScript	41
Accessing and referencing objects	42
Referencing the application object	42
Accessing objects in collections	42
Creating new objects	43
Working with selections	44
Selecting artwork objects	44
Working with text frames	44
Threaded frames	44
Threaded frames make a single story object	45
Creating paths and shapes	45
Paths	45
Specifying a series of x-y coordinates	45
Using pathPoint objects	45
Combining path point types	46
Shapes	46
Creating a rectangle	47
Creating a polygon	47
Scripting with VBScript	48
For more information	48
Your first Illustrator script	48
Adding features to “Hello World”	49
Accessing and referencing objects	49
Obtaining objects from collections	49
Creating new objects	50
Working with selections	50
Selecting artwork objects	50
Working with text frames	51
Threaded frames	51
Threaded frames make a single story object	51
Creating paths and shapes	51
Paths	51
Specifying a series of x-y coordinates	52
Using path point objects	52
Combining path-point types	53
Shapes	53
Creating a rectangle	53
Creating a polygon	54
Working with enumeration values	54

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HAPTER

3: Scripting Illustrator

Paths and shapes

Paths are represented in the Illustrator DOM by the

path

item

object. Path items include all artwork that

contains paths, such as rectangles, ellipses, and polygons, as well as freeform paths.

A freeform path consists of a series of path points. A path point can be specified in two ways:

➤

As an array of x and y page coordinates.

➤

As a

path

point

object, which defines an anchor point and two direction points or handles that define

the path segment’s curve:

For details, samples, and information on creating shapes, see the chapter for your scripting language.

User-interaction levels

When user feedback is required, an application typically presents a dialog. This is called

user interaction

. It

is useful and expected when you are directly interacting with the application; however, when a script is

interacting with an application, a dialog brings the execution of the script to a halt until the dialog is

dismissed. This can be a serious problem in an automation environment, where there is no one present to

deal with dialogs.

The

application

object contains a

user

interaction

level

property that allows you to control the level

of interaction allowed during script execution. You can suppress interaction in an automation

environment or allow some interaction where scripts are being used in a more interactive fashion.

AppleScript

Using AppleScript, it is possible to send commands from one machine to another, so additional types of

interaction are possible. In AppleScript:, there are four possible values for the

user

interaction

level

property:

Property Value

Result

never interact

No interaction is allowed.

interact with self

Interact only with scripts executed from the Scripts menu (File > Scripts).

interact with local

Interact with scripts executed on the local machine (including self).

interact with all

Interact with all scripts.