PISA - Photo Editor

Based on the powerful Core Image framework, PISA provides powerful and efficient image processing.
1. Provide dozens of filters
2. Support brightness, contrast, saturation, highlight, shadow, color temperature, exposure and other parameter adjustment
3. Support rgb tone curve adjustment
4. Support color replacement
5. Support cropping, flipping
6. Support adding borders
7. Support blur and focus mode
8. Can return to any step to facilitate adjustment