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authorDavid Robillard <d@drobilla.net>2007-08-05 21:31:02 +0000
committerDavid Robillard <d@drobilla.net>2007-08-05 21:31:02 +0000
commit7c950f279b4297b5fe43c622caa538329a554b4d (patch)
tree5943343c7d919a8cdfd23962ac65ad093205e752 /gtk2_ardour/tempo_lines.h
parent873ab9bbb14a1be16f15a0e2feff66c6f227c85d (diff)
Pulled tempo line stuff out into it's own relatively self-contained class.
Draw tempo lines on time canvas and connect them up all pretty-like to the ruler ticks. Still needs some visual tweaking, but... they draw! Finally! git-svn-id: svn://localhost/ardour2/trunk@2247 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'gtk2_ardour/tempo_lines.h')
-rw-r--r--gtk2_ardour/tempo_lines.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/gtk2_ardour/tempo_lines.h b/gtk2_ardour/tempo_lines.h
new file mode 100644
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+++ b/gtk2_ardour/tempo_lines.h
@@ -0,0 +1,48 @@
+/*
+ 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
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program 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 this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef __ardour_tempo_lines_h__
+#define __ardour_tempo_lines_h__
+
+#include <vector>
+#include <ardour/tempo.h>
+#include "canvas.h"
+#include "simpleline.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);
+ void hide();
+
+private:
+ typedef std::vector<ArdourCanvas::SimpleLine*> Lines;
+ Lines _free_lines;
+ Lines _used_lines;
+
+ ArdourCanvas::Canvas& _canvas;
+ ArdourCanvas::Group* _group;
+};
+
+#endif /* __ardour_tempo_lines_h__ */