[weston v2 8/8] shell: Fix calculation of center point in surface rotation

[Kristian Høgsberg]

On Wed, Jul 03, 2013 at 03:58:22PM +0200, Tomeu Vizoso wrote:
> From: Louis-Francis Ratté-Boulianne <lfrb at collabora.com>
> 
> Make sure the center point of a rotation is not rounded to an
> integer. It makes the calculation consistent with others in the
> shell. It also ensures surfaces rotated 180 degrees are at the
> exact same place.

Looks good, applied.

Kristian

> ---
>  src/shell.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/src/shell.c b/src/shell.c
> index cadcb55..0ab7fe7 100644
> --- a/src/shell.c
> +++ b/src/shell.c
> @@ -3133,8 +3133,8 @@ surface_rotate(struct shell_surface *surface, struct weston_seat *seat)
>  		return;
>  
>  	weston_surface_to_global_float(surface->surface,
> -				       surface->surface->geometry.width / 2,
> -				       surface->surface->geometry.height / 2,
> +				       surface->surface->geometry.width * 0.5f,
> +				       surface->surface->geometry.height * 0.5f,
>  				       &rotate->center.x, &rotate->center.y);
>  
>  	dx = wl_fixed_to_double(seat->pointer->x) - rotate->center.x;
> -- 
> 1.8.3.1
> 
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