Katayama Hirofumi
Professor at J.F. Oberline University, Tokyo
Miyazaki Prefecture, Japan
Summary
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RockstarKatayama Hirofumi is a professor and software engineer with 17 years of hands-on experience based in Miyazaki Prefecture, Japan. He blends academic leadership with practical open-source development, notably contributing back-end improvements to the ReactOS project by enhancing MSPAINT’s image manipulation and undo/redo history. Known on GitHub as "The non-stoppable A.N.T.", he brings a persistent, detail-oriented approach to restoring and extending legacy Windows-compatible functionality. His work reflects deep familiarity with low-level image handling and tool models, skills he likely leverages in both research and teaching. Colleagues value his mix of pedagogy and pragmatic engineering that bridges classroom theory and real-world system contributions.
17 years of coding experience
Github Skills (8)
c-language10
ws-api10
cprogramming-language10
winapi10
image-manipulation10
gdi10
image-processing10
wp-api10
Programming languages (9)
Github contributions (5)
reactos/reactos
Mar 2018 - Jan 2023
A free Windows-compatible Operating System
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3431 reviews, 37 commits, 3628 PRs in 4 years 11 months
Contributions summary:Katayama's contributions primarily involved enhancing the functionality of the "MSPAINT" application by adding and optimizing image manipulation features. The commits include adding methods to `dib.cpp` for getting and putting sub-images and integrating these methods into the history functionality and tools model. Additionally, the user introduced partial image history implementation within the application's undo/redo mechanism.
driverskernelreactoswindowsgpl
katahiromz/YappyCam
Oct 2019 - Jun 2021
Contributions:8 releases, 366 commits, 339 pushes in 1 year 8 months
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