| Value | Description |
|---|---|
| iedtSolid | A solid color algorithm without dither |
| iedtOrdered4x4 | A 4x4 ordered dither algorithm |
| iedtOrdered8x8 | An 8x8 ordered dither algorithm |
| iedtOrdered16x16 | A 16x16 ordered dither algorithm |
| iedtSpiral4x4 | A 4x4 spiral dither algorithm |
| iedtSpiral8x8 | An 8x8 spiral dither algorithm |
| iedtDualSpiral4x4 | A 4x4 dual spiral dither algorithm |
| iedtDualSpiral8x8 | An 8x8 dual spiral dither algorithm |
| iedtErrorDiffusion | An error diffusion algorithm |