/*
- music-output-def.cc -- implement Output_def
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
-*/
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
-#include "output-def.hh"
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
#include "context-def.hh"
#include "file-path.hh"
#include "global-context.hh"
+#include "international.hh"
#include "interval.hh"
+#include "ly-module.hh"
#include "main.hh"
#include "output-def.hh"
#include "scm-hash.hh"
#include "warn.hh"
-#include "ly-smobs.icc"
#include "program-option.hh"
parent_ = 0;
smobify_self ();
-
- scope_ = ly_make_anonymous_module (false);
+
+ scope_ = ly_make_module (false);
}
Output_def::Output_def (Output_def const &s)
+ : Smob<Output_def> ()
{
scope_ = SCM_EOL;
parent_ = 0;
smobify_self ();
input_origin_ = s.input_origin_;
- scope_ = ly_make_anonymous_module (false);
+ scope_ = ly_make_module (false);
if (ly_is_module (s.scope_))
ly_module_copy (scope_, s.scope_);
}
{
}
-IMPLEMENT_SMOBS (Output_def);
-IMPLEMENT_DEFAULT_EQUAL_P (Output_def);
SCM
-Output_def::mark_smob (SCM m)
+Output_def::mark_smob () const
{
- Output_def *mo = (Output_def*) SCM_CELL_WORD_1 (m);
-
/* FIXME: why is this necessary?
all paper_ should be protected by themselves. */
- if (mo->parent_)
- scm_gc_mark (mo->parent_->self_scm ());
+ if (parent_)
+ scm_gc_mark (parent_->self_scm ());
- return mo->scope_;
+ return scope_;
}
void
assign_context_def (Output_def * m, SCM transdef)
{
- Context_def *tp = unsmob_context_def (transdef);
+ Context_def *tp = unsmob<Context_def> (transdef);
assert (tp);
if (tp)
{
SCM sym = tp->get_context_name ();
m->set_variable (sym, transdef);
- }
+ }
}
/* find the translator for NAME. NAME must be a symbol. */
SCM
find_context_def (Output_def const *m, SCM name)
-{
- Context_def *cd = unsmob_context_def (m->lookup_variable (name));
+{
+ Context_def *cd = unsmob<Context_def> (m->lookup_variable (name));
return cd ? cd->self_scm () : SCM_EOL;
}
int
-Output_def::print_smob (SCM s, SCM p, scm_print_state *)
+Output_def::print_smob (SCM p, scm_print_state *) const
{
- Output_def * def = unsmob_output_def (s);
scm_puts ("#< ", p);
- scm_puts (def->class_name (), p);
-
- (void)def;
+ scm_puts (class_name (), p);
scm_puts (">", p);
return 1;
}
Output_def::lookup_variable (SCM sym) const
{
SCM var = ly_module_lookup (scope_, sym);
- if (SCM_VARIABLEP (var) && SCM_VARIABLE_REF(var) != SCM_UNDEFINED)
+ if (SCM_VARIABLEP (var) && !SCM_UNBNDP (SCM_VARIABLE_REF (var)))
return SCM_VARIABLE_REF (var);
-
+
if (parent_)
return parent_->lookup_variable (sym);
-
+
return SCM_UNDEFINED;
}
SCM
-Output_def::c_variable (string s) const
+Output_def::c_variable (const string &s) const
{
return lookup_variable (ly_symbol2scm (s.c_str ()));
}
scm_module_define (scope_, sym, val);
}
-
+void
+Output_def::normalize ()
+{
+ Real paper_width;
+ SCM scm_paper_width = c_variable ("paper-width");
+
+ bool twosided = to_boolean (c_variable ("two-sided"));
+ // We don't distinguish between outer-margin / left-margin and so on
+ // until page-stencil positioning in page.scm
+ Real left_margin, left_margin_default;
+ SCM scm_left_margin_default = (twosided
+ ? c_variable ("outer-margin-default-scaled")
+ : c_variable ("left-margin-default-scaled"));
+ SCM scm_left_margin = (twosided
+ ? c_variable ("outer-margin")
+ : c_variable ("left-margin"));
+
+ Real right_margin, right_margin_default;
+ SCM scm_right_margin_default = (twosided
+ ? c_variable ("inner-margin-default-scaled")
+ : c_variable ("right-margin-default-scaled"));
+ SCM scm_right_margin = (twosided
+ ? c_variable ("inner-margin")
+ : c_variable ("right-margin"));
+
+ if (SCM_UNBNDP (scm_paper_width)
+ || SCM_UNBNDP (scm_left_margin_default)
+ || SCM_UNBNDP (scm_right_margin_default))
+ {
+ programming_error ("called normalize () on paper with missing settings");
+ return;
+ }
+ else
+ {
+ paper_width = scm_to_double (scm_paper_width);
+ left_margin_default = scm_to_double (scm_left_margin_default);
+ right_margin_default = scm_to_double (scm_right_margin_default);
+ }
+
+ Real line_width;
+ Real line_width_default
+ = paper_width - left_margin_default - right_margin_default;
+ SCM scm_line_width = c_variable ("line-width");
+
+ Real binding_offset = 0;
+ if (twosided)
+ binding_offset = robust_scm2double (c_variable ("binding-offset"), 0);
+
+ if (SCM_UNBNDP (scm_line_width))
+ {
+ left_margin = (SCM_UNBNDP (scm_left_margin)
+ ? left_margin_default
+ : scm_to_double (scm_left_margin));
+ right_margin = (SCM_UNBNDP (scm_right_margin)
+ ? right_margin_default
+ : scm_to_double (scm_right_margin)) + binding_offset;
+ line_width = paper_width - left_margin - right_margin;
+ }
+ else
+ {
+ line_width = scm_to_double (scm_line_width);
+ if (SCM_UNBNDP (scm_left_margin))
+ {
+ // Vertically center systems if only line-width is given
+ if (SCM_UNBNDP (scm_right_margin))
+ {
+ left_margin = (paper_width - line_width) / 2;
+ right_margin = left_margin;
+ }
+ else
+ {
+ right_margin = scm_to_double (scm_right_margin) + binding_offset;
+ left_margin = paper_width - line_width - right_margin;
+ }
+ }
+ else
+ {
+ left_margin = scm_to_double (scm_left_margin);
+ right_margin = (SCM_UNBNDP (scm_right_margin)
+ ? (paper_width - line_width - left_margin)
+ : scm_to_double (scm_right_margin)) + binding_offset;
+ }
+ }
+
+ if (to_boolean (c_variable ("check-consistency")))
+ {
+ // Consistency checks. If values don't match, set defaults.
+ if (abs (paper_width - line_width - left_margin - right_margin) > 1e-6)
+ {
+ line_width = line_width_default;
+ left_margin = left_margin_default;
+ right_margin = right_margin_default;
+ warning (_ ("margins do not fit with line-width, setting default values"));
+ }
+ else if ((left_margin < 0) || (right_margin < 0))
+ {
+ line_width = line_width_default;
+ left_margin = left_margin_default;
+ right_margin = right_margin_default;
+ warning (_ ("systems run off the page due to improper paper settings, setting default values"));
+ }
+ }
+
+ set_variable (ly_symbol2scm ("left-margin"), scm_from_double (left_margin));
+ set_variable (ly_symbol2scm ("right-margin"), scm_from_double (right_margin));
+ set_variable (ly_symbol2scm ("line-width"), scm_from_double (line_width));
+}
+
/* FIXME. This is broken until we have a generic way of
putting lists inside the \layout block. */
Interval
line_dimensions_int (Output_def *def, int n)
{
Real lw = def->get_dimension (ly_symbol2scm ("line-width"));
- Real ind = n ? 0.0 : def->get_dimension (ly_symbol2scm ("indent"));
+ Real ind = n
+ ? def->get_dimension (ly_symbol2scm ("short-indent"))
+ : def->get_dimension (ly_symbol2scm ("indent"));
return Interval (ind, lw);
}
-
-