csprite

A simple pixel art editor

Features

• :beginner: Simple & intuitive
• :zap: Extremely fast
• :package: Small (Just ~2 MB)
• :desktop_computer: Cross-platform
• :moneybag: Free & open-source

Requirements

• 50MB of Usable RAM
• OpenGL 3.0 or Higher
• Windows, Linux & Mac (for Others See Building From Source)

Download

• You can get csprite from downloads page or you can build it from source from the instructions here

Controls

Contributing

If you would like to help, checkout the guide on contributing

Credits

• The beautiful icon & banner are created "Birds Probably" aka Lilith, Show the bird some love
• Sweetie 16 Palette By GrafxKid.
• Noto Sans Mono UI Font.

Todo

• A Simple UI & Menu
• Support For Windows
• Square/Circle in Brush/Eraser
• Adjustable Brush/Eraser Size
• Undo Redo
• Ink Dropper Tool
• Rectangle Tool
• Line Tool
• Circle Tool
• Configurable Option To Let Choose How Brush/Eye-Dropper Work
  • For Eye Dropper, Users can either select the pixel value in that layer or the composited/blended pixel value
  • For Brush Tool, Users can either replace the pixel on that layer or they can draw and the color will be blended with it.
• Flood/Bucket Fill Tool (https://lodev.org/cgtutor/floodfill.html#Scanline_Floodfill_Algorithm_With_Stack)
• https://lodev.org/cgtutor/painting.html
• Porter Duff's Alpha Functions
• Line Tool (https://lodev.org/cgtutor/lineclipping.html)
• Color Blending
  • Alpha
  • Addition
  • Subtraction
  • Difference
  • Multiply
  • Screen
  • Overlay
  • Darken
  • Lighten
  • Color Dodge/Burn
  • Hard/Soft Light

References/Resources

list of references & resources i used while developing csprite, might be good for learning.

• Simple Alpha-Blending: https://stackoverflow.com/a/68936281/14516016
• Talk/Coding live stream on color blending by TSoding: https://youtu.be/aKnl8-qifvE
• Re-Orderable list in ImGui using Drag & Drop API: https://github.com/ocornut/imgui/issues/1931#issuecomment-403305945
• LuaJIT in Csprite: https://github.com/pegvin/csprite/tree/luajit
• Compositing and Blending Level 1: https://www.w3.org/TR/compositing-1/

Thanks