comparison Source/TouchKeys/TouchkeyOscEmulator.h @ 9:f943785252fc

First prototype of TouchKeys OSC emulation. Not fully working yet, especially with mappings, but contains the basic mechanics.

+/*
+  TouchKeys: multi-touch musical keyboard control software
+  Copyright (c) 2013 Andrew McPherson
+
+  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 3 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, see <http://www.gnu.org/licenses/>.
+ 
+  =====================================================================
+ 
+  TouchkeyOscEmulator.h: emulates a TouchKeys source using OSC messages
+*/
+
+#ifndef TOUCHKEYOSCEMULATOR_H_INCLUDED
+#define TOUCHKEYOSCEMULATOR_H_INCLUDED
+
+#include "Osc.h"
+#include "PianoKeyboard.h"
+
+class TouchkeyOscEmulator : public OscHandler {
+public:
+    // *** Constructor ***
+    TouchkeyOscEmulator(PianoKeyboard& keyboard, OscMessageSource& messageSource);
+    
+    // *** Destructor ***
+    ~TouchkeyOscEmulator();
+    
+    // *** TouchKeys emulation methods ***
+    int lowestMidiNote() { return lowestMidiNote_; }
+	void setLowestMidiNote(int note) { lowestMidiNote_ = note; }
+    
+    void allTouchesOff(bool send = true);
+    
+    // *** OSC handler method ***
+	bool oscHandlerMethod(const char *path, const char *types, int numValues, lo_arg **values, void *data);
+
+    // *** Data processing methods ***
+    // New touch data point received
+    void touchReceived(int key, int touch, float x, float y);
+    
+    // Touch removed
+    void touchOffReceived(int key, int touch);
+    
+private:
+    void clearTouchData(int i);                     // Clear touch data for a particular key
+    void removeTouchFromFrame(int note, int index); // Remove a particular touch from the frame
+    void addTouchToFrame(int note, int touchId, float x, float y);       // Add a touch with a particular ID
+    void updateTouchInFrame(int note, int index, float x, float y);      // Update the touch at the given index
+    
+private:
+	PianoKeyboard& keyboard_;           // Main keyboard controller
+    OscMessageSource& source_;          // Source of OSC messages
+    
+    int lowestMidiNote_;                // Lowest MIDI note
+    
+    KeyTouchFrame touchFrames_[127];    // Current state of each virtual TouchKey
+    int touchIdAssignments_[127][3];    // Assignments between OSC touch IDs and TouchKeys touch IDs
+};
+
+#endif  // TOUCHKEYOSCEMULATOR_H_INCLUDED