Welcome to the Adobe Photoshop(r) 4.0 
Software Development Kit for Windows NT and Windows 95. 


What's new?
-----------
This release updates the SDK for Adobe Photoshop
version 4.0 for Windows. 

The changes from the prior version are:  

-- new documentation describing additions to the Photoshop API

-- new examples for the additions to the Photoshop API


Development only for Windows NT and Windows 95
----------------------------------------------
While Adobe Photoshop will run in Windows 3.1, and you can
develop 3.1 plug-ins, this kit is designed for Windows NT
and Windows 95 development environments only.

The kit will only install on Windows NT and Windows 95
machines.

The utilities included in the kit (CnvtPiPL.exe and MacToDos.exe)
are 32 bit console applications and therefore work only on
Win 95 or NT.

The makefiles supplied work only for Visual C++ 2.0 and
4.0 (32 Bit environment) and converting them for another
development environment (i.e. Borland C++ or
Symantec C++) should be straightforward.

Please be aware of the structure packing rules while you
are developing under a different environment.


Visual C++ 4.0 Users
--------------------
Visual C++ 4.0 and the Microsoft Developer Studio treat
projects differently than version 2.0.  Visual C++ 4.0 makefiles
have been included.  They are listed as <pluginname>40.mdp.
Double-click the .mdp file to open the project in Visual C++ 4.0.

DIRECTORY UPDATES -- READ BEFORE YOU COMPILE!

You may get minor errors looking for standard headers such as
Types.h, which is generally located in MSDEV/INCLUDES/sys, which,
on some VC4.0 installs, does not get automatically put into the
Directories paths.  To fix this, go to Options... and add the
path to your Directories.

Also, Visual C++ 4.0 doesn't like remembering relative paths to
files that are not within the project folder.  That means that
the files PIUTILITIES.C, WINDIALOGUTILS.C and WINUTILITIES.C,
which reside in Examples/Common/Sources.c may NOT link correctly
when you first open a .MDP project.  To correct this:
1.  Delete PIUtilities.C, WinDialogUtils.c, and WinUtilities.c
    from your Project files list by hilighting them and pressing
    Delete.
2.  From the Project menu, "Add files to project..." and add the
    files back in from the Examples/Common folder.

Visual C++ 4.2 Users
--------------------
The Visual C++ 4.2 DLL does not create plug-ins that are
recognizable by machines that do not have the VC DLL loaded.
We recommend using version 4.1 or earlier.


Documentation requires Acrobat!
-------------------------------
The documentation included in this kit requires, at minimum,
Acrobat Reader to view it.  You can download Acrobat Reader
free of charge from www.adobe.com.


Support
-------
Support for the Adobe Photoshop Plug-In API is provided to 
members of the Graphics Application Plug-in (GAP) Program by 
the Adobe Developers Association. You can find more information 
about this program in the Developer Services directory.


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