2 box.cc -- implement Box
4 source file of the GNU LilyPond music typesetter
6 (c) 1996--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
12 Box::translate (Offset o)
14 for (Axis i = X_AXIS; i < NO_AXES; incr (i))
15 interval_a_[i] += o[i];
21 for (Axis i = X_AXIS; i < NO_AXES; incr (i))
22 interval_a_[i].unite (b[i]);
32 interval_a_[X_AXIS].set_empty ();
33 interval_a_[Y_AXIS].set_empty ();
36 Box::Box (Interval ix, Interval iy)
43 Box::operator [] (Axis a)
45 return interval_a_[a];
49 Box::operator [] (Axis a) const
51 return interval_a_[a];
57 interval_a_[X_AXIS] *= s;
58 interval_a_[Y_AXIS] *= s;
62 Box::add_point (Offset o)
64 interval_a_[X_AXIS].add_point (o[X_AXIS]);
65 interval_a_[Y_AXIS].add_point (o[Y_AXIS]);
71 return Offset (interval_a_[X_AXIS].center (),
72 interval_a_[Y_AXIS].center ());
76 Box::widen (Real x, Real y)
78 interval_a_[X_AXIS].widen (x);
79 interval_a_[Y_AXIS].widen (y);
82 /****************************************************************/
84 #include "ly-smobs.icc"
86 IMPLEMENT_SIMPLE_SMOBS (Box);
87 IMPLEMENT_TYPE_P (Box, "ly:box?");
88 IMPLEMENT_DEFAULT_EQUAL_P (Box);
91 Box::mark_smob (SCM x)
98 Box::print_smob (SCM x, SCM p, scm_print_state*)
101 scm_puts ("#<Box>", p);