release: 0.0.39-1

[lilypond.git] / lily / include / voice.hh

diff --git a/lily/include/voice.hh b/lily/include/voice.hh
new file mode 100644 (file)
index 0000000..06e6e1d
--- /dev/null
+++ b/lily/include/voice.hh
@@ -0,0 +1,35 @@
+#ifndef VOICE_HH
+#define VOICE_HH
+
+#include "proto.hh"
+#include "plist.hh"
+#include "moment.hh"
+
+/** class for  horizontal stuff.
+
+    Voice is a ordered row of Voice_elements. It is strictly
+    horizontal: you cannot have two rhythmic elements running parallel
+    in a Voice. For proper processing, each Voice should have
+    Group_change_req as a first element.
+
+    */
+
+struct Voice {
+    IPointerList<Voice_element *> elts;
+    Moment start;
+
+    /* *************** */
+    Voice();
+    Voice(Voice const&);
+
+    Moment when(const Voice_element*)const;
+    Moment last() const;
+
+    void add(Voice_element*);
+    bool find_plet_start_bo(char c, Moment& moment_r);
+    void print() const;
+    void set_default_group(String id);
+    void set_plet_backwards(Moment& now_moment_r, Moment until_moment, int num_i, int den_i);
+};
+
+#endif