1 files changed, 55 insertions, 0 deletions
diff --git a/src/gui/rulers/TempoColour.cpp b/src/gui/rulers/TempoColour.cpp
new file mode 100644
index 0000000..5ab396a
--- /dev/null
+++ b/src/gui/rulers/TempoColour.cpp
@@ -0,0 +1,55 @@
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Rosegarden
+    A MIDI and audio sequencer and musical notation editor.
+ 
+    This program is Copyright 2000-2008
+        Guillaume Laurent   <glaurent@telegraph-road.org>,
+        Chris Cannam        <cannam@all-day-breakfast.com>,
+        Richard Bown        <richard.bown@ferventsoftware.com>
+ 
+    The moral rights of Guillaume Laurent, Chris Cannam, and Richard
+    Bown to claim authorship of this work have been asserted.
+ 
+    Other copyrights also apply to some parts of this work.  Please
+    see the AUTHORS file and individual file headers for details.
+ 
+    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.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+
+#include "TempoColour.h"
+
+#include "gui/general/GUIPalette.h"
+#include <qcolor.h>
+
+
+namespace Rosegarden
+{
+
+QColor
+TempoColour::getColour(double tempo)
+{
+    int h, s, v;
+    QColor c = GUIPalette::getColour(GUIPalette::TempoBase);
+    c.hsv(&h, &s, &v);
+    v += 20;
+    if (v > 255)
+        v = 255;
+
+    h = (90 + int(tempo));
+
+    while (h < 0)
+        h += 360;
+    while (h >= 360)
+        h -= 360;
+
+    return QColor(h, s, v, QColor::Hsv);
+}
+
+}