Zoom to height

The proportions of the bitmap will be kept.

Horizontal alignment=center

The bitmap will be horizontally centered.

Horizontal alignment=left

The bitmap will be fitted into the left boundary.

Horizontal alignment=right

The bitmap will be fitted into the right boundary.

Vertical alignment=center, left or right

The bitmap has already been fitted into the upper and lower boundaries. Consequently it can neither be better centered nor located upper or lower.