diff options
Diffstat (limited to 'drivers/media/platform/vivid/vivid-vid-common.c')
-rw-r--r-- | drivers/media/platform/vivid/vivid-vid-common.c | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/drivers/media/platform/vivid/vivid-vid-common.c b/drivers/media/platform/vivid/vivid-vid-common.c index b0d4e3a0acf0..39ea2284789c 100644 --- a/drivers/media/platform/vivid/vivid-vid-common.c +++ b/drivers/media/platform/vivid/vivid-vid-common.c @@ -653,103 +653,6 @@ int fmt_sp2mp_func(struct file *file, void *priv, return ret; } -/* v4l2_rect helper function: copy the width/height values */ -void rect_set_size_to(struct v4l2_rect *r, const struct v4l2_rect *size) -{ - r->width = size->width; - r->height = size->height; -} - -/* v4l2_rect helper function: width and height of r should be >= min_size */ -void rect_set_min_size(struct v4l2_rect *r, const struct v4l2_rect *min_size) -{ - if (r->width < min_size->width) - r->width = min_size->width; - if (r->height < min_size->height) - r->height = min_size->height; -} - -/* v4l2_rect helper function: width and height of r should be <= max_size */ -void rect_set_max_size(struct v4l2_rect *r, const struct v4l2_rect *max_size) -{ - if (r->width > max_size->width) - r->width = max_size->width; - if (r->height > max_size->height) - r->height = max_size->height; -} - -/* v4l2_rect helper function: r should be inside boundary */ -void rect_map_inside(struct v4l2_rect *r, const struct v4l2_rect *boundary) -{ - rect_set_max_size(r, boundary); - if (r->left < boundary->left) - r->left = boundary->left; - if (r->top < boundary->top) - r->top = boundary->top; - if (r->left + r->width > boundary->width) - r->left = boundary->width - r->width; - if (r->top + r->height > boundary->height) - r->top = boundary->height - r->height; -} - -/* v4l2_rect helper function: return true if r1 has the same size as r2 */ -bool rect_same_size(const struct v4l2_rect *r1, const struct v4l2_rect *r2) -{ - return r1->width == r2->width && r1->height == r2->height; -} - -/* v4l2_rect helper function: calculate the intersection of two rects */ -struct v4l2_rect rect_intersect(const struct v4l2_rect *a, const struct v4l2_rect *b) -{ - struct v4l2_rect r; - int right, bottom; - - r.top = max(a->top, b->top); - r.left = max(a->left, b->left); - bottom = min(a->top + a->height, b->top + b->height); - right = min(a->left + a->width, b->left + b->width); - r.height = max(0, bottom - r.top); - r.width = max(0, right - r.left); - return r; -} - -/* - * v4l2_rect helper function: scale rect r by to->width / from->width and - * to->height / from->height. - */ -void rect_scale(struct v4l2_rect *r, const struct v4l2_rect *from, - const struct v4l2_rect *to) -{ - if (from->width == 0 || from->height == 0) { - r->left = r->top = r->width = r->height = 0; - return; - } - r->left = (((r->left - from->left) * to->width) / from->width) & ~1; - r->width = ((r->width * to->width) / from->width) & ~1; - r->top = ((r->top - from->top) * to->height) / from->height; - r->height = (r->height * to->height) / from->height; -} - -bool rect_overlap(const struct v4l2_rect *r1, const struct v4l2_rect *r2) -{ - /* - * IF the left side of r1 is to the right of the right side of r2 OR - * the left side of r2 is to the right of the right side of r1 THEN - * they do not overlap. - */ - if (r1->left >= r2->left + r2->width || - r2->left >= r1->left + r1->width) - return false; - /* - * IF the top side of r1 is below the bottom of r2 OR - * the top side of r2 is below the bottom of r1 THEN - * they do not overlap. - */ - if (r1->top >= r2->top + r2->height || - r2->top >= r1->top + r1->height) - return false; - return true; -} int vivid_vid_adjust_sel(unsigned flags, struct v4l2_rect *r) { unsigned w = r->width; |