source file of the GNU LilyPond music typesetter
- (c) 2004 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 2004--2005 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "paper-system.hh"
-#include "stencil.hh"
-#include "string.hh"
-#include "virtual-methods.hh"
+#include "item.hh"
#include "ly-smobs.icc"
IMPLEMENT_TYPE_P (Paper_system, "ly:paper-system?");
IMPLEMENT_DEFAULT_EQUAL_P (Paper_system);
-
-
-Paper_system::Paper_system (Stencil s, bool is_title)
+Paper_system::Paper_system (Stencil s, SCM immutable_init)
{
- is_title_ = is_title;
- number_ = 0;
- penalty_ = 0;
+ mutable_property_alist_ = SCM_EOL;
+ immutable_property_alist_ = immutable_init;
smobify_self ();
stencil_ = s;
- staff_refpoints_ = Interval(0,0);
+ init_vars ();
}
+
Paper_system::~Paper_system ()
{
}
SCM
Paper_system::mark_smob (SCM smob)
{
- Paper_system *system = (Paper_system*) ly_cdr (smob);
- return system-> stencil_.expr ();
+ Paper_system *system = (Paper_system *) SCM_CELL_WORD_1 (smob);
+ scm_gc_mark (system->mutable_property_alist_);
+ return system->stencil_.expr ();
}
int
Paper_system::print_smob (SCM smob, SCM port, scm_print_state*)
{
- Paper_system *p = (Paper_system*) ly_cdr (smob);
+ Paper_system *p = (Paper_system *) SCM_CELL_WORD_1 (smob);
scm_puts ("#<", port);
scm_puts (classname (p), port);
- scm_puts (" ", port);
- scm_puts (to_string (p->number_).to_str0 (), port);
- scm_puts ("p ", port);
- scm_puts (to_string (p->penalty_).to_str0 (), port);
- if (p->is_title ())
- scm_puts (" t", port);
- scm_puts (" >", port);
+ scm_display (p->mutable_property_alist_, port);
+ scm_display (p->immutable_property_alist_, port);
+
+ scm_puts (" >\n", port);
return 1;
}
-bool
-Paper_system::is_title () const
-{
- return is_title_;
-}
-
-Real
-Paper_system::penalty () const
-{
- return penalty_;
-}
Stencil
Paper_system::to_stencil () const
return stencil_;
}
-LY_DEFINE (ly_paper_system_height, "ly:paper-system-extent",
- 2, 0, 0, (SCM system, SCM axis),
- "Return the extent of @var{system}.")
+void
+Paper_system::init_vars ()
{
- Paper_system *ps = unsmob_paper_system (system);
- SCM_ASSERT_TYPE (ps, system, SCM_ARG1, __FUNCTION__, "paper-system");
- SCM_ASSERT_TYPE (is_axis (axis), axis, SCM_ARG2, __FUNCTION__, "axis");
- Axis ax = (Axis)ly_scm2int (axis);
- return ly_interval2scm (ps->to_stencil().extent (ax));
+ SCM yext = get_property ("Y-extent");
+
+ if (is_number_pair (yext))
+ {
+ Box b = stencil_.extent_box();
+ b[Y_AXIS] = ly_scm2interval (yext);
+
+ stencil_ = Stencil (b, stencil_.expr ());
+ }
}
-
-
-LY_DEFINE (ly_paper_system_title_p, "ly:paper-system-title?",
- 1, 0, 0, (SCM system),
- "Is @var{system} a title system?")
-{
- Paper_system *ps = unsmob_paper_system (system);
- SCM_ASSERT_TYPE (ps, system, SCM_ARG1, __FUNCTION__, "paper-system");
- return SCM_BOOL (ps->is_title ());
-}
-
-LY_DEFINE (ly_paper_system_number, "ly:paper-system-number",
- 1, 0, 0, (SCM system),
- "Return the number of @var{system}.")
+SCM
+Paper_system::internal_get_property (SCM sym) const
{
- Paper_system *ps = unsmob_paper_system (system);
- SCM_ASSERT_TYPE (ps, system, SCM_ARG1, __FUNCTION__, "paper-system");
- return scm_int2num (ps->number_);
-}
+ /*
+ TODO: type checking
+ */
+ SCM s = scm_sloppy_assq (sym, mutable_property_alist_);
+ if (s != SCM_BOOL_F)
+ return scm_cdr (s);
-LY_DEFINE (ly_paper_system_break_score, "ly:paper-system-break-penalty",
- 1, 0, 0, (SCM system),
- "Return the score for page break after @var{system}.")
-{
- Paper_system *ps = unsmob_paper_system (system);
- SCM_ASSERT_TYPE (ps, system, SCM_ARG1, __FUNCTION__, "paper-system");
- return scm_int2num (int (ps->penalty ()));
-}
+ s = scm_sloppy_assq (sym, immutable_property_alist_);
-LY_DEFINE (ly_paper_system_stencil, "ly:paper-system-stencil",
- 1, 0, 0, (SCM system),
- "Return the height of @var{system}.")
-{
- Paper_system *ps = unsmob_paper_system (system);
- SCM_ASSERT_TYPE (ps, system, SCM_ARG1, __FUNCTION__, "paper-system");
- return ps->to_stencil ().smobbed_copy ();
+
+ return (s == SCM_BOOL_F) ? SCM_EOL : scm_cdr (s);
}
-
-
-LY_DEFINE (ly_paper_system_staff_extent, "ly:paper-system-staff-extents",
- 1, 0, 0, (SCM system),
- "Return the top and bottom staff refpoint.")
+void
+Paper_system::internal_set_property (SCM sym, SCM val)
{
- Paper_system *ps = unsmob_paper_system (system);
- SCM_ASSERT_TYPE (ps, system, SCM_ARG1, __FUNCTION__, "paper-system");
- return ly_interval2scm (ps->staff_refpoints_);
+ mutable_property_alist_ = scm_assq_set_x (mutable_property_alist_, sym, val);
}
-