Paul Davis
7a221363bb
git-svn-id: svn://localhost/ardour2/branches/3.0@11898 d708f5d6-7413-0410-9779-e7cbd77b26cf
50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
/*
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Copyright (C) 2006,2007 John Anderson
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Copyright (C) 2012 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "fader.h"
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#include "surface.h"
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#include "control_group.h"
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using namespace Mackie;
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Control*
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Fader::factory (Surface& surface, int id, const char* name, Group& group)
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{
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Fader* f = new Fader (id, name, group);
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surface.faders[id] = f;
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surface.controls.push_back (f);
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group.add (*f);
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return f;
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}
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MidiByteArray
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Fader::set_position (float normalized)
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{
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position = normalized;
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return update_message ();
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}
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MidiByteArray
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Fader::update_message ()
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{
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int posi = int (0x3fff * position);
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return MidiByteArray (3, fader_base_id | raw_id(), posi & 0x7f, posi >> 7);
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}
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