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Legacy COM scripting, documentation in the OLE Automation Programming Guide.

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Introduction 1 Legacy COM scripting the facilities to directly address other applications. For example, you cannot easily write a JavaScript to manage workflows involving Photoshop and a database management program. AppleScript and Visual Basic are only offered on their respective platforms. However, you can write scripts in those languages to control multiple applications. For example, you can write an AppleScript that first manipulates a bitmap in Photoshop and then commands a web design application to incorporate it. This same cross-application capability is also available with Visual Basic on Windows. You may also use other scripting languages when working with Photoshop Scripting Support. On Mac OS, any language which lets you send Apple events, such as MacPerl, TCL, or Latenight Software's JavaScript component, can be used to script Photoshop. On Windows, any language which is COM aware can be used to script Photoshop. This includes languages available in Windows Scripting Host, such as VBScript and JScript, as well as other scripting languages like Perl, Tcl/Tk, and Python. 1.8 Legacy COM scripting Photoshop 5, Photoshop 6 and Photoshop 7 support COM scripting without the optional Scripting Support plug-in. This scripting interface is described in the Photoshop SDK documentation in the "OLE Automation Programming Guide." You can use both the old stype COM scripts and the new style COM scripts with Photoshop 7.0, but you have to modify the way that you refer to the Photoshop application object in your old scripts after you install ScriptingSupport. Typically you would create a Photoshop application instance by saying: Set App = CreateObject("Photoshop.Application") after installing ScriptingSupport, you must change the above code to Set App = CreateObject("Photoshop.Application.7") Note that the latter version will work both with and without ScriptingSupport installed. Photoshop 7.0 Scripting Guide 8

Section	Page
Photoshop 7.0 Scripting Guide	1
Table of contents	3
Introduction	5
1.1 About this manual	5
1.1.1 Conventions in this guide	5
1.2 What is scripting?	6
1.3 Why use scripting?	6
1.4 What about actions?	6
1.5 System requirements	6
1.5.1 Mac	7
1.5.2 Windows	7
1.6 JavaScript	7
1.7 Choosing a scripting language	7
1.8 Legacy COM scripting	8
Scripting basics	9
2.1 Documents as objects	9
2.2 Object model concepts	9
2.2.1 Object classes	9
2.2.2 Object inheritance	10
2.2.3 Object elements or collections	10
2.2.4 Object reference	10
2.3 Documenting scripts	11
2.4 Values	12
2.5 Variables	14
2.5.1 Assigning values to variables	14
2.5.2 Using variables to store references	15
2.5.3 Naming variables	15
2.6 Operators	16
2.7 Commands and methods	17
2.7.1 Conditional statements	17
2.7.2 Control structures	18
2.8 Handlers, subroutines and functions	20
2.9 The Scripts menu	21
2.9.1 Scripts folder	21
2.9.2 The scripts dialog box	21
2.10 Testing and troubleshooting	23
2.10.1 AppleScript debugging	23
2.10.2 Visual Basic debugging	25
2.10.3 JavaScript Debugging	26
2.10.4 Error handling	31
Scripting Photoshop	33
3.1 Photoshop scripting guidelines	33
3.2 Viewing Photoshop objects, commands and methods	34
3.2.1 Viewing Photoshop’s AppleScript dictionary	34
3.2.2 Viewing Photoshop’s type library (VB)	35
3.3 Your first Photoshop script	36
3.3.1 AppleScript	36
3.3.2 Visual Basic	37
3.3.3 VBScript	39
3.3.4 JavaScript	41
3.4 Object references	42
3.4.1 AppleScript	42
3.4.2 Visual Basic and JavaScript	43
3.5 Working with units	44
3.5.1 Unit values	44
3.5.2 Unit value useage	46
3.5.3 Changing ruler and type units	48
3.6 Executing JavaScripts from AS or VB	48
3.6.1 Passing arguments to JavaScript	49
3.6.2 Executing one-line JavaScripts	50
3.7 The Application object	50
3.8 Document object	54
3.8.1 Saving documents and save options	55
3.8.2 Document information	56
3.8.3 Document manipulation	57
3.9 Layer objects	58
3.9.1 Setting the Active layer	61
3.9.2 Layer sets	61
3.9.3 Linking layers	62
3.9.4 Applying styles to layers	63
3.9.5 Rotating layers	63
3.10 Text item object	64
3.10.1 Setting the contents of the text item	65
3.10.2 Setting text stroke colors	66
3.10.3 Setting fonts	66
3.10.4 Warping text	67
3.11 Selections	67
3.11.1 Defining selections	68
3.11.2 Stroking the selection border	69
3.11.3 Inverting selections	70
3.11.4 Expand, contract and feather selections	70
3.11.5 Filling a selection	71
3.11.6 Rotating selections	72
3.11.7 Loading and storing selections	73
3.12 Working with Filters	74
3.12.1 Selecting channel(s) to filter	74
3.12.2 Other filters	75
3.13 Channel object	75
3.13.1 Channel types	75
3.13.2 Setting the active channel	76
3.13.3 Creating new channels	76
3.14 Color objects	77
3.14.1 Setting a Color	77
3.14.2 Getting and converting colors	78
3.14.3 Comparing Colors	79
3.14.4 Getting a Web Safe Color	79
3.15 History object	80
3.15.1 Filling a selection with a history state	81
3.16 Clipboard interaction	81
3.16.1 Copy	81
3.16.2 Copy merged	82
3.16.3 Cut	82
3.16.4 Paste	83
3.16.5 Paste into command	83
3.17 Action Manager scripting	84
3.17.1 Using the Action Manager from JavaScript	84
3.17.2 Using the Action Manager from VBScript	87

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Photoshop 7.0 Scripting Guide

Introduction

Legacy COM scripting

the facilities to directly address other applications. For example, you cannot easily write a

JavaScript to manage workflows involving Photoshop and a database management program.

AppleScript and Visual Basic are only offered on their respective platforms. However, you can

write scripts in those languages to control multiple applications. For example, you can write an

AppleScript that first manipulates a bitmap in Photoshop and then commands a web design

application to incorporate it. This same cross-application capability is also available with

Visual Basic on Windows.

You may also use other scripting languages when working with Photoshop Scripting Support.

On Mac OS, any language which lets you send Apple events, such as MacPerl, TCL, or

Latenight Software's JavaScript component, can be used to script Photoshop.

On Windows, any language which is COM aware can be used to script Photoshop. This

includes languages available in Windows Scripting Host, such as VBScript and JScript, as

well as other scripting languages like Perl, Tcl/Tk, and Python.

1.8 Legacy COM scripting

Photoshop 5, Photoshop 6 and Photoshop 7 support COM scripting without the optional

Scripting Support plug-in. This scripting interface is described in the Photoshop SDK

documentation in the “OLE Automation Programming Guide.”

You can use both the old stype COM scripts and the new style COM scripts with Photoshop

7.0, but you have to modify the way that you refer to the Photoshop application object in your

old scripts after you install ScriptingSupport.

Typically you would create a Photoshop application instance by saying:

Set App = CreateObject("Photoshop.Application")

after installing ScriptingSupport, you must change the above code to

Set App = CreateObject("Photoshop.Application.7")

Note that the latter version will work both with and without ScriptingSupport installed.