Graphical LCD on TWI(I2C)

[Vermes]

Program written in C. 1024 bytes buffer. Hardware TWI support.
What TWI can do:

• highlighting steered by PWM
• positioning everything to a pixel
• vertical, horizontal and oblique lines
• quadrangles
• circles
• bitmaps painting
• filling areas (black, white, pattern)
• negating areas
• defining own fonts and pictures
• bargrafs (up to 16)
• supplied fonts:
  1. 4x6 constant width
  2. 6x8 constant width
  3. 12x16 constant width
  4. height 8 variable width
  5. height 12 variable width
  6. height 12 variable width – bold
  7. height 14 variable width
  8. height 14 variable width – bold
  9. numbers 11x16 constant width
  10. numbers 16x21 constant width
  11. numbers 20x28 constant width

Link to original thread (useful C code) - LCD Graficzny na TWI (I2C)