diff options
Diffstat (limited to 'recordmydesktop/src/rectinsert.c')
| -rw-r--r-- | recordmydesktop/src/rectinsert.c | 38 |
1 files changed, 29 insertions, 9 deletions
diff --git a/recordmydesktop/src/rectinsert.c b/recordmydesktop/src/rectinsert.c index 1eaa9ef..8685fbb 100644 --- a/recordmydesktop/src/rectinsert.c +++ b/recordmydesktop/src/rectinsert.c @@ -26,15 +26,35 @@ #include <recordmydesktop.h> -//return 1 and null if geom1 in geom2 ,2 and null if geom2 in geom1, -//0 if they don't collide -//-1 and two geoms if they collide and geom1 is broken. -//-2 and one or two geoms if they collide and geom2 is broken. -//-10 if group and replace is possible -int CollideRects(WGeometry *wgeom1, - WGeometry *wgeom2, - WGeometry **wgeom_return, - int *ngeoms){ + +/** +* Collide two rectangles and dictate most sane action for insertion, +* as well as provide the updated rectangle(s) +* \param wgeom1 resident rectangle +* +* \param wgeom2 New rectangle +* +* \param wgeom_return Pointer to rectangles to be inserted +* +* \param ngeoms number of entries in wgeom_return +* +* \retval 0 No collision +* +* \retval 1 wgeom1 is covered by wgeom2 +* +* \retval 2 wgeom2 is covered by wgeom1 +* +* \retval -1 wgeom1 was broken (new is picked up in wgeom_return) +* +* \retval -2 wgeom2 was broken (new is picked up in wgeom_return) +* +* \retval -10 Grouping the two geoms is possible +* +*/ +static int CollideRects(WGeometry *wgeom1, + WGeometry *wgeom2, + WGeometry **wgeom_return, + int *ngeoms) { //1 fits in 2 if((wgeom1->x>=wgeom2->x)&& (wgeom1->x+wgeom1->width<=wgeom2->x+wgeom2->width)&& |