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shell: Fix calculation of center point in surface rotation

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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.
This commit is contained in:
Louis-Francis Ratté-Boulianne 2013-07-03 15:58:22 +02:00 committed by Kristian Høgsberg
parent a85118c1b8
commit 9a4f10f6bc
1 changed files with 2 additions and 2 deletions
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src/shell.c
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@ -2885,8 +2885,8 @@ 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;