Patater GUI Kit

About

The Patater GUI Kit is a portable, open source GUI kit. It is a basic toolkit for building a GUI. It also comes with a primitive 2D graphics library.

Graphics Library Features

The Patater GUI Kit's graphics library supports the following graphics operations:

• Filling the screen
• Drawing lines
• Drawing and filling rectangles
• Drawing and filling circles
• Drawing and filling rounded rectangles
• Loading 1bpp bitmaps from Windows BMP format
• Loading 4bpp bitmaps from Windows BMP format
• Blitting 1bpp bitmaps, with mask and op
• Blitting 4bpp bitmaps, with mask and op
• Rendering text with variable width bitmap fonts

The graphics library supports the following backends:

• Raw VGA (no SVGA) in 640x480 16 color mode
• SDL2, emulating VGA in 640x480 16 color mode
• SDL2, emulating VESA VBE 1.0 in 640x480 BGR555 (15-bit) color mode

Demo Screenshots

The Patater GUI Kit includes a number of demo applications (see apps/). Here's what they look like.

Other fun things inside

• 128-bit xorshift pseudo random number generator
• 64-bit FNV-1a hash
• 32-bit FNV-1a hash
• Linear probing hashmap
• snprintf() for C89 toolchains
• Handcrafted pixel icons

Testing

The Patater GUI Kit is tested on the following platforms:

• FreeBSD
• FreeDOS with DJGPP

Licensing

• The Patater GUI Kit Source Code is licensed as AGPL-3.0-or-later
• The Patater GUI Kit Icons are licensed as CC BY-SA 4.0