use Canvas::LineSet for tempolines rather than N different Canvas::Line items plus...

[ardour.git] / gtk2_ardour / tempo_lines.h

diff --git a/gtk2_ardour/tempo_lines.h b/gtk2_ardour/tempo_lines.h
index 375ae9342bd36b56785baaa201e74b5488c3ec5a..e096df54af83f77cf139598b9f40270be6cd71fc 100644 (file)
--- a/gtk2_ardour/tempo_lines.h
+++ b/gtk2_ardour/tempo_lines.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2000-2007 Paul Davis 
+    Copyright (C) 2000-2007 Paul Davis
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -19,30 +19,25 @@
 #ifndef __ardour_tempo_lines_h__
 #define __ardour_tempo_lines_h__
 
-#include <vector>
-#include <ardour/tempo.h>
-#include "canvas.h"
-#include "simpleline.h"
+#include "ardour/tempo.h"
+
+#include "canvas/line_set.h"
 
 class TempoLines {
 public:
-       TempoLines(ArdourCanvas::Canvas& canvas, ArdourCanvas::Group* group)
-               : _canvas(canvas)
-               , _group(group)
-       {}
- 
-       ArdourCanvas::SimpleLine* get_line();
-
-       void draw(ARDOUR::TempoMap::BBTPointList& points, double frames_per_unit);
+       TempoLines (ArdourCanvas::Group* group, double screen_height);
+
+       void tempo_map_changed();
+
+       void draw (const ARDOUR::TempoMap::BBTPointList::const_iterator& begin, 
+                  const ARDOUR::TempoMap::BBTPointList::const_iterator& end);
+
+       void show();
        void hide();
 
 private:
-       typedef std::vector<ArdourCanvas::SimpleLine*> Lines;
-       Lines _free_lines;
-       Lines _used_lines;
-
-       ArdourCanvas::Canvas& _canvas;
-       ArdourCanvas::Group*  _group;
+       ArdourCanvas::LineSet lines;
+       double                _height;
 };
 
 #endif /* __ardour_tempo_lines_h__ */