The direction of a text segment or buffer.
A segment can also be tested for horizontal or vertical orientation (irrespective of specific direction) with HB_DIRECTION_IS_HORIZONTAL() or HB_DIRECTION_IS_VERTICAL().
Initial, unset direction.
Text is set horizontally from left to right.
Text is set horizontally from right to left.
Text is set vertically from top to bottom.
Text is set vertically from bottom to top.
The direction of a text segment or buffer.
A segment can also be tested for horizontal or vertical orientation (irrespective of specific direction) with HB_DIRECTION_IS_HORIZONTAL() or HB_DIRECTION_IS_VERTICAL().