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authorPaul Davis <paul@linuxaudiosystems.com>2018-07-03 11:21:25 -0400
committerPaul Davis <paul@linuxaudiosystems.com>2018-07-03 11:21:25 -0400
commited24e01658dadffaa6abdc6cd32ee1773bacb526 (patch)
tree2f0f676d4104fd02b7be826157a2a7d4b5db2a62 /libs/canvas/canvas
parent5102d8fae14c2a2acf9e575e6d83e34726379e6f (diff)
initial implementation of a more specialized canvas item for (sustained) notes
Diffstat (limited to 'libs/canvas/canvas')
-rw-r--r--libs/canvas/canvas/note.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/libs/canvas/canvas/note.h b/libs/canvas/canvas/note.h
new file mode 100644
index 0000000000..2dd3ac6a7b
--- /dev/null
+++ b/libs/canvas/canvas/note.h
@@ -0,0 +1,44 @@
+/*
+ Copyright (C) 2018 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 __CANVAS_NOTE_H__
+#define __CANVAS_NOTE_H__
+
+#include "canvas/visibility.h"
+#include "canvas/rectangle.h"
+
+namespace ArdourCanvas
+{
+
+class LIBCANVAS_API Note : public Rectangle
+{
+public:
+ Note (Canvas*);
+ Note (Item*);
+
+ void render (Rect const &, Cairo::RefPtr<Cairo::Context>) const;
+ void set_velocity (double fract);
+
+ private:
+ static bool _show_velocity_bars;
+ double _velocity;
+};
+
+}
+
+#endif /* __CANVAS_NOTE_H__ */