From 664307f9682eaac573b22a2282a6d089e1abd489 Mon Sep 17 00:00:00 2001 From: Kirill Primak Date: Mon, 23 Aug 2021 23:32:43 +0300 Subject: util/box: introduce wlr_fbox_transform() A floating-point version of wlr_box_transform(). --- util/box.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) (limited to 'util') diff --git a/util/box.c b/util/box.c index b382716b..93b54e31 100644 --- a/util/box.c +++ b/util/box.c @@ -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; + } +} -- cgit v1.2.3