Identifies the different types of image display alignment modes, i.e., identifies how the displayed image is aligned relative to the device rectangle.
Values:
| IG_DSPL_ALIGN_X_LEFT | The image is aligned to the left border of the device rectangle. |
| IG_DSPL_ALIGN_X_CENTER | The image is centered horizontally. |
| IG_DSPL_ALIGN_X_RIGHT | The image is aligned to the right border of the device rectangle. |
| IG_DSPL_ALIGN_Y_LEFT | The image is aligned to the top border of the device rectangle. |
| IG_DSPL_ALIGN_Y_CENTER | The image is centered vertically. |
| IG_DSPL_ALIGN_Y_RIGHT | The image is aligned to the bottom border of the device rectangle. |