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Introduce direction / orientation / position conversion functions

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Orestis Floros
2018-09-14 20:18:04 +03:00
committed by Orestis Floros
parent e5c430e419
commit 1e8e4d3e7f
4 changed files with 34 additions and 3 deletions
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20
src/util.c
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@ -518,3 +518,23 @@ ssize_t slurp(const char *path, char **buf) {
orientation_t orientation_from_direction(direction_t direction) {
return (direction == D_LEFT || direction == D_RIGHT) ? HORIZ : VERT;
}
/*
* Convert a direction to its corresponding position.
*
*/
position_t position_from_direction(direction_t direction) {
return (direction == D_LEFT || direction == D_UP) ? BEFORE : AFTER;
}
/*
* Convert orientation and position to the corresponding direction.
*
*/
direction_t direction_from_orientation_position(orientation_t orientation, position_t position) {
if (orientation == HORIZ) {
return position == BEFORE ? D_LEFT : D_RIGHT;
} else {
return position == BEFORE ? D_UP : D_DOWN;
}
}