[libcamera-devel] [PATCH 11/15] libcamera: geometry: Add isNull() function to Rectangle class

[Niklas Söderlund]

Hi Jacopo,

Thanks for your patch.

On 2020-07-01 14:30:32 +0200, Jacopo Mondi wrote:
> It's common for code to check if a rectangle is null. Add a helper function
> to do so.
> 
> Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>

Reviewed-by: Niklas Söderlund <niklas.soderlund at ragnatech.se>

> ---
>  include/libcamera/geometry.h | 1 +
>  src/libcamera/geometry.cpp   | 6 ++++++
>  2 files changed, 7 insertions(+)
> 
> diff --git a/include/libcamera/geometry.h b/include/libcamera/geometry.h
> index 7d4b8bcfe3d8..44561d9cc5a4 100644
> --- a/include/libcamera/geometry.h
> +++ b/include/libcamera/geometry.h
> @@ -18,6 +18,7 @@ struct Rectangle {
>  	unsigned int width;
>  	unsigned int height;
>  
> +	bool isNull() const { return !width && !height; }
>  	const std::string toString() const;
>  };
>  
> diff --git a/src/libcamera/geometry.cpp b/src/libcamera/geometry.cpp
> index 24c44fb43acf..af29ed1119fe 100644
> --- a/src/libcamera/geometry.cpp
> +++ b/src/libcamera/geometry.cpp
> @@ -49,6 +49,12 @@ namespace libcamera {
>   * \brief The distance between the top and bottom sides
>   */
>  
> +/**
> + * \fn bool Rectangle::isNull() const
> + * \brief Check if the rectangle is null
> + * \return True if both the width and height are 0, or false otherwise
> + */
> +
>  /**
>   * \brief Assemble and return a string describing the rectangle
>   * \return A string describing the Rectangle
> -- 
> 2.27.0
> 
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-- 
Regards,
Niklas Söderlund