Graphics Filters
From GDWiki
If you want to scale pixelated graphics a simple "nearest neighbour" filter won't always yield desired results. Many Emulators use various graphics filters to enchance graphics quality at higher zoom factors.
Most are open source and can be used in other projects.
[edit] Popular Filters
- Eagle (the filter that started it all?)
- Kreed's 2xSaI, Super2xSaI, SuperEagle
- hq3x, hq2x, hq4x

