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zoom: fix zoom

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Right now zoom only works on the output at 0, 0 because it's adding
the output corner co-ordinates to global co-ordinates that already
include the output offset.

Signed-off-by: Derek Foreman <derekf@osg.samsung.com>
Reviewed-by: Bryce Harrington <b.harrington@samsung.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
This commit is contained in:
Derek Foreman 2015-03-24 11:36:15 -05:00 committed by Pekka Paalanen
parent 67a18b9942
commit 7cb916e285
1 changed files with 2 additions and 2 deletions
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src/zoom.c
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@ -96,8 +96,8 @@ weston_output_update_zoom_transform(struct weston_output *output)
global_x = wl_fixed_to_double(x);
global_y = wl_fixed_to_double(y);
output->zoom.trans_x = global_x - (output->x + output->width / 2);
output->zoom.trans_y = global_y - (output->y + output->height / 2);
output->zoom.trans_x = global_x - output->width / 2;
output->zoom.trans_y = global_y - output->height / 2;
if (output->zoom.trans_x < 0)
output->zoom.trans_x = 0;