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✅   Investigating MacPaint's Source Code

Technology

MacPaint is a monochromatic raster image painting program that introduced many people to mouse-driven controls, tool palettes, and copy and paste integration with other applications. One of two launch applications for the Apple Macintosh in 1984, MacPaint is emblematic of the Macintosh’s early quirky revolutionary branding, focus on ease of use, and appeal to artistic customers. Using the source code, we examine the design and implementation of the application. We find that the buffer management and bucket filling algorithms demonstrate mechanical empathy with the 68k platform and leverage the limitations of the domain as a means to improve performance. We also find positive and negative aspects in the code style and architecture and its pliability for change.

ztoz.blog     Apr 05, 2025