Text boundary types used for specifying boundaries for regions of text
Value | Symbolic name | Description |
| 0 | Atk::TEXT_CLIP_NONE | No clipping to be done |
| 1 | Atk::TEXT_CLIP_MIN | Text clipped by min coordinate is omitted |
| 2 | Atk::TEXT_CLIP_MAX | Text clipped by max coordinate is omitted |
| 3 | Atk::TEXT_CLIP_BOTH | Only text fully within mix/max bound is retained |