Hi Benoit,
Thank you for the patch.
On Thu, May 28, 2020 at 2:26 PM Benoit Parrot <bparrot@xxxxxx> wrote:
>
> Add a helper function to check if one rectangle is enclosed inside
> another.
>
> Signed-off-by: Benoit Parrot <bparrot@xxxxxx>
> ---
> include/media/v4l2-rect.h | 20 ++++++++++++++++++++
> 1 file changed, 20 insertions(+)
>
Reviewed-by: Lad Prabhakar <prabhakar.csengg@xxxxxxxxx>
Cheers,
--Prabhakar
> diff --git a/include/media/v4l2-rect.h b/include/media/v4l2-rect.h
> index 8800a640c224..bd587d0c0dc3 100644
> --- a/include/media/v4l2-rect.h
> +++ b/include/media/v4l2-rect.h
> @@ -184,4 +184,24 @@ static inline bool v4l2_rect_overlap(const struct v4l2_rect *r1,
> return true;
> }
>
> +/**
> + * v4l2_rect_enclosed() - is r1 enclosed in r2?
> + * @r1: rectangle.
> + * @r2: rectangle.
> + *
> + * Returns true if @r1 is enclosed in @r2.
> + */
> +static inline bool v4l2_rect_enclosed(struct v4l2_rect *r1,
> + struct v4l2_rect *r2)
> +{
> + if (r1->left < r2->left || r1->top < r2->top)
> + return false;
> + if (r1->left + r1->width > r2->left + r2->width)
> + return false;
> + if (r1->top + r1->height > r2->top + r2->height)
> + return false;
> +
> + return true;
> +}
> +
> #endif
> --
> 2.17.1
>
