622 void rect_set_size_to(struct v4l2_rect *r, const struct v4l2_rect *size)  in rect_set_size_to()  argument
624 	r->width = size->width;  in rect_set_size_to()
625 	r->height = size->height;  in rect_set_size_to()
629 void rect_set_min_size(struct v4l2_rect *r, const struct v4l2_rect *min_size)  in rect_set_min_size()  argument
631 	if (r->width < min_size->width)  in rect_set_min_size()
632 		r->width = min_size->width;  in rect_set_min_size()
633 	if (r->height < min_size->height)  in rect_set_min_size()
634 		r->height = min_size->height;  in rect_set_min_size()
638 void rect_set_max_size(struct v4l2_rect *r, const struct v4l2_rect *max_size)  in rect_set_max_size()  argument
640 	if (r->width > max_size->width)  in rect_set_max_size()
641 		r->width = max_size->width;  in rect_set_max_size()
642 	if (r->height > max_size->height)  in rect_set_max_size()
643 		r->height = max_size->height;  in rect_set_max_size()
647 void rect_map_inside(struct v4l2_rect *r, const struct v4l2_rect *boundary)  in rect_map_inside()  argument
649 	rect_set_max_size(r, boundary);  in rect_map_inside()
650 	if (r->left < boundary->left)  in rect_map_inside()
651 		r->left = boundary->left;  in rect_map_inside()
652 	if (r->top < boundary->top)  in rect_map_inside()
653 		r->top = boundary->top;  in rect_map_inside()
654 	if (r->left + r->width > boundary->width)  in rect_map_inside()
655 		r->left = boundary->width - r->width;  in rect_map_inside()
656 	if (r->top + r->height > boundary->height)  in rect_map_inside()
657 		r->top = boundary->height - r->height;  in rect_map_inside()
669 	struct v4l2_rect r;  in rect_intersect()  local
672 	r.top = max(a->top, b->top);  in rect_intersect()
673 	r.left = max(a->left, b->left);  in rect_intersect()
676 	r.height = max(0, bottom - r.top);  in rect_intersect()
677 	r.width = max(0, right - r.left);  in rect_intersect()
678 	return r;  in rect_intersect()
685 void rect_scale(struct v4l2_rect *r, const struct v4l2_rect *from,  in rect_scale()  argument
689 		r->left = r->top = r->width = r->height = 0;  in rect_scale()
692 	r->left = (((r->left - from->left) * to->width) / from->width) & ~1;  in rect_scale()
693 	r->width = ((r->width * to->width) / from->width) & ~1;  in rect_scale()
694 	r->top = ((r->top - from->top) * to->height) / from->height;  in rect_scale()
695 	r->height = (r->height * to->height) / from->height;  in rect_scale()
718 int vivid_vid_adjust_sel(unsigned flags, struct v4l2_rect *r)  in vivid_vid_adjust_sel()  argument
720 	unsigned w = r->width;  in vivid_vid_adjust_sel()
721 	unsigned h = r->height;  in vivid_vid_adjust_sel()
746 	if (r->top < 0)  in vivid_vid_adjust_sel()
747 		r->top = 0;  in vivid_vid_adjust_sel()
748 	if (r->left < 0)  in vivid_vid_adjust_sel()
749 		r->left = 0;  in vivid_vid_adjust_sel()
751 	r->left &= 0xfffe;  in vivid_vid_adjust_sel()
752 	r->top &= 0xfffe;  in vivid_vid_adjust_sel()
753 	if (r->left + w > MAX_WIDTH)  in vivid_vid_adjust_sel()
754 		r->left = MAX_WIDTH - w;  in vivid_vid_adjust_sel()
755 	if (r->top + h > MAX_HEIGHT)  in vivid_vid_adjust_sel()
756 		r->top = MAX_HEIGHT - h;  in vivid_vid_adjust_sel()
759 	    (r->width != w || r->height != h))  in vivid_vid_adjust_sel()
761 	r->width = w;  in vivid_vid_adjust_sel()
762 	r->height = h;  in vivid_vid_adjust_sel()