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1 /*
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2 TouchKeys: multi-touch musical keyboard control software
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3 Copyright (c) 2013 Andrew McPherson
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4
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5 This program is free software: you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation, either version 3 of the License, or
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8 (at your option) any later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 You should have received a copy of the GNU General Public License
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16 along with this program. If not, see <http://www.gnu.org/licenses/>.
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17
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18 =====================================================================
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19
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20 TouchkeyOnsetAngleMappingFactory.cpp: factory for the onset angle mapping,
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21 which measures the speed of finger motion along the key surface at the
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22 time of MIDI note onset.
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23 */
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24
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25 #include "TouchkeyOnsetAngleMappingFactory.h"
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26
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27 // Class constants
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28 const timestamp_diff_type TouchkeyOnsetAngleMappingFactory::kDefaultMaxLookbackTime = milliseconds_to_timestamp(100);
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29
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30
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31 TouchkeyOnsetAngleMappingFactory::TouchkeyOnsetAngleMappingFactory(PianoKeyboard &keyboard, MidiKeyboardSegment& segment)
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32 : TouchkeyBaseMappingFactory<TouchkeyOnsetAngleMapping>(keyboard, segment) {
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33 //setName("/touchkeys/scoop");
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34 setMidiParameters(MidiKeyboardSegment::kControlPitchWheel, -2.0, 2.0, 0.0);
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35 }
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36
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37 // ****** Preset Save/Load ******
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38 XmlElement* TouchkeyOnsetAngleMappingFactory::getPreset() {
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39 PropertySet properties;
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40
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41 storeCommonProperties(properties);
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42
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43 // No properties for now
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44
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45 XmlElement* preset = properties.createXml("MappingFactory");
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46 preset->setAttribute("type", "OnsetAngle");
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47
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48 return preset;
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49 }
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50
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51 bool TouchkeyOnsetAngleMappingFactory::loadPreset(XmlElement const* preset) {
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52 if(preset == 0)
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53 return false;
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54
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55 PropertySet properties;
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56 properties.restoreFromXml(*preset);
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57
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58 if(!loadCommonProperties(properties))
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59 return false;
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60
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61 // Nothing specific to do for now
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62
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63 return true;
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64 }
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65
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66 // MIDI note ended: see whether the mapping was suspended and if not, execute the angle calculation
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67 void TouchkeyOnsetAngleMappingFactory::midiNoteOn(int noteNumber, bool touchIsOn, bool keyMotionActive,
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68 Node<KeyTouchFrame>* touchBuffer,
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69 Node<key_position>* positionBuffer,
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70 KeyPositionTracker* positionTracker) {
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71 // Call base class method
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72 TouchkeyBaseMappingFactory<TouchkeyOnsetAngleMapping>::midiNoteOn(noteNumber, touchIsOn, keyMotionActive, touchBuffer, positionBuffer, positionTracker);
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73
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74 if(mappings_.count(noteNumber) != 0) {
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75 mappings_[noteNumber]->processOnset(keyboard_.schedulerCurrentTimestamp());
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76 }
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77 }
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