Adobe Smoke Alarm CS3 Manual De Usuario

 Scripting Photoshop CS3     32

You use the properties and commands of the 

Application

 object to work with Photoshop CS3 

functionality and objects such as the following:

●

Global Photoshop CS3 settings or preferences, such as unit values or color settings. See 

.

●

Documents—You can add or open documents and set the active document. 

 and 

.

●

Actions—You can execute actions created either via scripting or using the Actions palette in the 
Photoshop CS3 application. See 

.

You can use 

Application

 object properties to get information such as the following:

●

A list of fonts installed on the system.

●

AS: 

Set theFonts to fonts

In AppleScript, fonts is a separate collection, and does not require a reference to the application 
object to retrieve it.

●

VBS: 

Set fontsInstalled = AppRef.Fonts 

●

JS: 

var fontsInstalled = app.fonts

●

The amount of unused memory available to Adobe Photoshop CS3, using the 

free memory 

(FreeMemory/freeMemory)

 property of the 

Application

 object.

●

The location of the Preferences folder, using the 

preferences folder 

(PreferencesFolder/preferencesFolder)

 property of the Application object.

For further information, look up the properties of the 

Application

 object in the reference manual or the 

object browser of the language you are using.

The 

Document

 object can represent any open document in Photoshop CS3. You can think of a 

Document

 

object as a file; you can also think of it as a canvas. You work with the 

Document

 object to do the following:

●

Access script objects contained in the 

Document

 object, such as 

ArtLayer

 or 

Channel

 objects. See 

 for more information. 

●

Manipulate a specific 

Document

 object, using commands or methods. For example, you could crop, 

rotate or flip the canvas, resize the image or canvas, and trim the image. See 

 for a demonstration. 

●

Get the active layer. See 

●

Save the current document. See 

.

●

Copy and paste within the active document or between different documents. See 

.

The following examples demonstrate how to do the following:

●

Save the existing ruler unit preferences, and set ruler units to inches

●

Open an existing file as a document (using file Ducky.tif )

●

Change the size of the image to 4 inches wide and 4 inches high.

●

Change the size of the document window (or canvas) to 4 inches high and 4 inches wide.

●

Trim the top and bottom of the image.