[PATCH v5 1/3] libcamera: Add rectangle two-point constructor

[Kieran Bingham]

Quoting Harvey Yang (2024-09-23 10:30:44)
> From: Yudhistira Erlandinata <yerlandinata at chromium.org>
> 
> Add a Rectangle constructor that accepts two points:
> topLeft and bottomRight.
> 
> Signed-off-by: Yudhistira Erlandinata <yerlandinata at chromium.org>
> Co-developed-by: Harvey Yang <chenghaoyang at chromium.org>
> Reviewed-by: Jacopo Mondi <jacopo.mondi at ideasonboard.com>
> ---
>  include/libcamera/geometry.h |  7 +++++++
>  src/libcamera/geometry.cpp   |  7 +++++++
>  test/geometry.cpp            | 14 ++++++++++++++
>  3 files changed, 28 insertions(+)
> 
> diff --git a/include/libcamera/geometry.h b/include/libcamera/geometry.h
> index 3e6f0f5d..5949d55c 100644
> --- a/include/libcamera/geometry.h
> +++ b/include/libcamera/geometry.h
> @@ -262,6 +262,13 @@ public:
>         {
>         }
>  
> +       constexpr Rectangle(const Point &point1, const Point &point2)
> +               : Rectangle(std::min(point1.x, point2.x), std::max(point1.y, point2.y),
> +                           std::max(point1.x, point2.x) - std::min(point1.x, point2.x),
> +                           std::max(point1.y, point2.y) - std::min(point1.y, point2.y))
> +       {
> +       }
> +
>         int x;
>         int y;
>         unsigned int width;
> diff --git a/src/libcamera/geometry.cpp b/src/libcamera/geometry.cpp
> index 00015136..b608e4f0 100644
> --- a/src/libcamera/geometry.cpp
> +++ b/src/libcamera/geometry.cpp
> @@ -629,6 +629,13 @@ std::ostream &operator<<(std::ostream &out, const SizeRange &sr)
>   * \param[in] size The desired Rectangle size
>   */
>  
> +/**
> + * \fn Rectangle::Rectangle(const Point &point1, const Point &point2)
> + * \brief Construct a Rectangle with the two given points
> + * \param[in] point1 One of the corner point of the rectangle

"One corner point of the rectangle"
or
"One of the corner points of the rectangle"

Reviewed-by: Kieran Bingham <kieran.bingham at ideasonboard.com>


> + * \param[in] point2 The diagonal corner point from \a point1
> + */
> +
>  /**
>   * \var Rectangle::x
>   * \brief The horizontal coordinate of the rectangle's top-left corner
> diff --git a/test/geometry.cpp b/test/geometry.cpp
> index 64169206..3ed2cc23 100644
> --- a/test/geometry.cpp
> +++ b/test/geometry.cpp
> @@ -481,6 +481,20 @@ protected:
>                         return TestFail;
>                 }
>  
> +               Point topLeft(3, 3);
> +               Point bottomRight(30, 30);
> +               Point topRight(30, 3);
> +               Point bottomLeft(3, 30);
> +               Rectangle rect1(topLeft, bottomRight);
> +               Rectangle rect2(topRight, bottomLeft);
> +               Rectangle rect3(bottomRight, topLeft);
> +               Rectangle rect4(bottomLeft, topRight);
> +
> +               if (rect1 != rect2 || rect1 != rect3 || rect1 != rect4) {
> +                       cout << "Point-from-point construction failed" << endl;
> +                       return TestFail;
> +               }
> +
>                 return TestPass;
>         }
>  };
> -- 
> 2.46.0.792.g87dc391469-goog
>