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frame: Add "get_corner_radiuses" chain

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https://bugzilla.gnome.org/show_bug.cgi?id=628195
This commit is contained in:
Jasper St. Pierre
2011-07-11 12:58:31 -04:00
parent f83568fc4e
commit d33d113746
6 changed files with 81 additions and 1 deletions
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34
src/ui/frames.c
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@ -824,6 +824,40 @@ meta_frames_get_borders (MetaFrames *frames,
borders);
}
void
meta_frames_get_corner_radiuses (MetaFrames *frames,
Window xwindow,
float *top_left,
float *top_right,
float *bottom_left,
float *bottom_right)
{
MetaUIFrame *frame;
MetaFrameGeometry fgeom;
frame = meta_frames_lookup_window (frames, xwindow);
meta_frames_calc_geometry (frames, frame, &fgeom);
/* For compatibility with the code in get_visible_rect(), there's
* a mysterious sqrt() added to the corner radiuses:
*
* const float radius = sqrt(corner) + corner;
*
* It's unclear why the radius is calculated like this, but we
* need to be consistent with it.
*/
if (top_left)
*top_left = fgeom.top_left_corner_rounded_radius + sqrt(fgeom.top_left_corner_rounded_radius);
if (top_right)
*top_right = fgeom.top_right_corner_rounded_radius + sqrt(fgeom.top_right_corner_rounded_radius);
if (bottom_left)
*bottom_left = fgeom.bottom_left_corner_rounded_radius + sqrt(fgeom.bottom_left_corner_rounded_radius);
if (bottom_right)
*bottom_right = fgeom.bottom_right_corner_rounded_radius + sqrt(fgeom.bottom_right_corner_rounded_radius);
}
void
meta_frames_reset_bg (MetaFrames *frames,
Window xwindow)