diff options
author | Kirill Primak <vyivel@posteo.net> | 2021-08-23 23:32:43 +0300 |
---|---|---|
committer | Simon Ser <contact@emersion.fr> | 2021-08-24 10:36:06 +0200 |
commit | 664307f9682eaac573b22a2282a6d089e1abd489 (patch) | |
tree | 7381bd88510340d3ad5c6ef0bc3cad19869bcc1c /util | |
parent | f2f3df9fb1ecc6d5d4fbda26ba5d57a8c04a3b62 (diff) |
util/box: introduce wlr_fbox_transform()
A floating-point version of wlr_box_transform().
Diffstat (limited to 'util')
-rw-r--r-- | util/box.c | 48 |
1 files changed, 48 insertions, 0 deletions
@@ -119,3 +119,51 @@ void wlr_box_transform(struct wlr_box *dest, const struct wlr_box *box, break; } } + +void wlr_fbox_transform(struct wlr_fbox *dest, const struct wlr_fbox *box, + enum wl_output_transform transform, double width, double height) { + struct wlr_fbox src = *box; + + if (transform % 2 == 0) { + dest->width = src.width; + dest->height = src.height; + } else { + dest->width = src.height; + dest->height = src.width; + } + + switch (transform) { + case WL_OUTPUT_TRANSFORM_NORMAL: + dest->x = src.x; + dest->y = src.y; + break; + case WL_OUTPUT_TRANSFORM_90: + dest->x = height - src.y - src.height; + dest->y = src.x; + break; + case WL_OUTPUT_TRANSFORM_180: + dest->x = width - src.x - src.width; + dest->y = height - src.y - src.height; + break; + case WL_OUTPUT_TRANSFORM_270: + dest->x = src.y; + dest->y = width - src.x - src.width; + break; + case WL_OUTPUT_TRANSFORM_FLIPPED: + dest->x = width - src.x - src.width; + dest->y = src.y; + break; + case WL_OUTPUT_TRANSFORM_FLIPPED_90: + dest->x = src.y; + dest->y = src.x; + break; + case WL_OUTPUT_TRANSFORM_FLIPPED_180: + dest->x = src.x; + dest->y = height - src.y - src.height; + break; + case WL_OUTPUT_TRANSFORM_FLIPPED_270: + dest->x = height - src.y - src.height; + dest->y = width - src.x - src.width; + break; + } +} |