Adobe Photoshop source code
pho·to·shop [foh-toh-shop] - transitive verb, often capitalized
To alter (a digital image) with Photoshop software or other image-editing software especially in a way that distorts reality (as for deliberately deceptive purposes)
If you have a 20 year old Mac lying around, and can compile the code, a rare trip down graphical memory lane awaits you.
With the permission of Adobe Systems Inc., the Computer History Museum is pleased to make available, for non-commercial use, the source code to the 1990 version 1.0.1 of Photoshop. All the code is here with the exception of the MacApp applications library that was licensed from Apple. There are 179 files in the zipped folder, comprising about 128,000 lines of mostly uncommented but well-structured code. By line count, about 75% of the code is in Pascal, about 15% is in 68000 assembler language, and the rest is data of various sorts. To download the code you must agree to the terms of the license.
Read the details shared by Computer History Museum or download a copy of the source code for Adobe Photoshop version 1.0.1.
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