/*
- align-interface.hh -- declare Align_interface
-
- source file of the GNU LilyPond music typesetter
-
- (c) 2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+ This file is part of LilyPond, the GNU music typesetter.
-#ifndef ALIGN_INTERFACE_HH
-#define ALIGN_INTERFACE_HH
-
-#include "axes.hh"
-#include "lily-proto.hh"
-#include "lily-guile.hh"
-
-extern SCM Align_interface_alignment_callback_proc;
-/*
- Order elements top to bottom/left to right/right to left etc.
-
-
- *******
-
- element properties
+ Copyright (C) 2000--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
- stacking-dir -- stack contents of elements in which direction ?
+ 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.
- align-dir -- Which side to align? -1: left side, 0: centered (around
- center_l_ if not nil, or around center of width), 1: right side
+ 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.
- threshold -- (cons MIN MAX), where MIN and MAX are dimensions in
- staffspace
-
- alignment-done -- boolean to administrate whether we've done the alignment already (to ensure that the process is done only once)
-
- center-element -- element which will be at the center of the group
- after aligning (when using
- Align_interface::center_on_element). The center element should
- have this object as a reference point.
-
- elements -- to be aligned elements
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
- axes -- list of axis numbers. Should contain only one number.
-
- *******
-
- Reads the following from its elements
-
-
- minimum-space -- (cons LEFT RIGHT)
+#ifndef ALIGN_INTERFACE_HH
+#define ALIGN_INTERFACE_HH
- extra-space -- (cons LEFT RIGHT)
-
-*/
-struct Align_interface {
- static SCM alignment_callback (SCM element, SCM axis);
- static void do_side_processing (Score_element*,Axis a);
- static void set_axis (Score_element*,Axis);
- static Axis axis (Score_element*) ;
- static void add_element (Score_element*,Score_element*);
- static int get_count (Score_element*,Score_element*);
- static void set_interface (Score_element*);
- static bool has_interface (Score_element*);
- static SCM center_on_element (SCM element, SCM axis);
+#include "lily-proto.hh"
+#include "std-vector.hh"
+#include "grob-interface.hh"
+
+class Align_interface
+{
+public:
+ DECLARE_SCHEME_CALLBACK (align_to_minimum_distances, (SCM));
+ DECLARE_SCHEME_CALLBACK (align_to_ideal_distances, (SCM));
+ static void align_elements_to_minimum_distances(Grob *, Axis a);
+ static void align_elements_to_ideal_distances(Grob *);
+ static vector<Real> get_minimum_translations (Grob *, vector<Grob*> const&, Axis a);
+ static vector<Real> get_minimum_translations_without_min_dist (Grob *, vector<Grob*> const&, Axis a);
+ static vector<Real> get_pure_minimum_translations (Grob *, vector<Grob*> const&,
+ Axis a, int start, int end);
+ static void set_ordered (Grob *);
+ static Axis axis (Grob *);
+ static void add_element (Grob *, Grob *);
+ static int get_count (Grob *, Grob *);
+
+ DECLARE_GROB_INTERFACE();
+
+ static Real get_pure_child_y_translation (Grob *, Grob *child, int start, int end);
+
+protected:
+ static vector<Real> internal_get_minimum_translations (Grob *, vector<Grob*> const&,
+ Axis a,
+ bool include_fixed_spacing,
+ bool pure, int start, int end);
};
#endif /* ALIGN_INTERFACE_HH */