App: Celling
Developer: Valentino Frati
Genres: Photo & Video, Graphics & Design

Have fun with cel shading, transform your photos and pictures into cartoon images. Draw, color, warp and make caricatures. 

Features:

- Control edges and colors with high level of customization.
- Adjust shadows, smoothness, hand-drawn style.
- Transform your image with high or soft details.
- Play with Tone Mapping: emphasize details and color contrasts.
- Apply effects (pencil sketch, comic style, watercolor...) and textures.
- Set aperture size, apply blur effects.
- 18 presets, Cel Shading, Toon Shading, Black & White, Poster...
- Save your own presets.
- Contrast, saturation, brightness, exposure, gamma and other adjustments.
- Create color splashes.
- Warp and caricature.
- Supports JPG, PNG, HEIF, BMP, TIFF, PSD and PDF images and all the RAW images supported by macOS.
- Transform ICNS files into completely new icons.
- Save images in Standard or High Resolution.

Cartoon filter based upon the work of Jan Eric Kyprianidis, you can find further details here:

Kyprianidis, J. E. & Döllner, J. (2008). Image Abstraction by Structure Adaptive Filtering
http://www.kyprianidis.com/p/tpcg2008

Please report bugs or send requests to quentin.apps14@gmail.com .

Release notes:
- Fixed a bug that could cause saving with a wrong color.