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/*
Copyright (C) 2006,2007 John Anderson
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 mackie_midi_builder_h
#define mackie_midi_builder_h
#include "midi_byte_array.h"
#include "types.h"
#include "controls.h"
namespace Mackie
{
/**
This knows how to build midi messages given a control and
a state.
*/
class MackieMidiBuilder
{
public:
/**
The first byte of a midi message from the surface
will contain one of these, sometimes bitmasked
with the control id
*/
enum midi_types {
midi_fader_id = Control::type_fader
, midi_button_id = Control::type_button
, midi_pot_id = Control::type_pot
};
/**
The LED rings have these modes.
*/
enum midi_pot_mode {
midi_pot_mode_dot = 0
, midi_pot_mode_boost_cut = 1
, midi_pot_mode_wrap = 2
, midi_pot_mode_spread = 3
};
MidiByteArray build_led_ring( const Pot & pot, const ControlState &, midi_pot_mode mode = midi_pot_mode_dot );
MidiByteArray build_led_ring( const LedRing & led_ring, const ControlState &, midi_pot_mode mode = midi_pot_mode_dot );
MidiByteArray build_led( const Led & led, LedState ls );
MidiByteArray build_led( const Button & button, LedState ls );
MidiByteArray build_fader( const Fader & fader, float pos );
/// return bytes that will reset all controls to their zero positions
MidiByteArray zero_strip( const Strip & strip );
// provide bytes to zero the given control
MidiByteArray zero_control( const Control & control );
// display the first 2 chars of the msg in the 2 char display
// . is appended to the previous character, so A.B. would
// be two characters
MidiByteArray two_char_display( const std::string & msg, const std::string & dots = " " );
MidiByteArray two_char_display( unsigned int value, const std::string & dots = " " );
protected:
static MIDI::byte calculate_pot_value( midi_pot_mode mode, const ControlState & );
};
}
#endif
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