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

[Cheng-Hao Yang]

Hi Kieran,

On Mon, Sep 23, 2024 at 6:32 PM Kieran Bingham
<kieran.bingham at ideasonboard.com> wrote:
>
> 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"

Sorry to miss this in v6. Fixed in v7.

BR,
Harvey

>
> 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
> >