img_convert: add sub_bitmap bounding box functions

mp_sub_bitmaps_bb is just sub_bitmaps_bb renamed/moved.

1 files changed, 0 insertions, 20 deletions

diff --git a/sub/sub.c b/sub/sub.c
index ea9c51a758..b01493a790 100644
--- a/sub/sub.c
+++ b/sub/sub.c
@@ -333,23 +333,3 @@ void osd_subs_changed(struct osd_state *osd)
             vo_osd_changed(n);
     }
 }
-
-bool sub_bitmaps_bb(struct sub_bitmaps *imgs, struct mp_rect *out_bb)
-{
-    struct mp_rect bb = {INT_MAX, INT_MAX, INT_MIN, INT_MIN};
-    for (int n = 0; n < imgs->num_parts; n++) {
-        struct sub_bitmap *p = &imgs->parts[n];
-        bb.x0 = FFMIN(bb.x0, p->x);
-        bb.y0 = FFMIN(bb.y0, p->y);
-        bb.x1 = FFMAX(bb.x1, p->x + p->dw);
-        bb.y1 = FFMAX(bb.y1, p->y + p->dh);
-    }
-
-    // avoid degenerate bounding box if empty
-    bb.x0 = FFMIN(bb.x0, bb.x1);
-    bb.y0 = FFMIN(bb.y0, bb.y1);
-
-    *out_bb = bb;
-
-    return bb.x0 < bb.x1 && bb.y0 < bb.y1;
-}