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/*
* Copyright 2012 Reality Jockey, Ltd.
* info@rjdj.me
* http://rjdj.me/
*
* This file is part of ZenGarden.
*
* ZenGarden is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* ZenGarden 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with ZenGarden. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef _DSP_VARIABLE_LINE_H_
#define _DSP_VARIABLE_LINE_H_
#include "DspObject.h"
/** [vline~] */
class DspVariableLine : public DspObject {
public:
static MessageObject *new_object(PdMessage *init_message, PdGraph *graph);
DspVariableLine(PdMessage *init_message, PdGraph *graph);
~DspVariableLine();
static const char *get_object_label();
std::string toString();
// this implementation assumes that all messages arrive only on the left-most inlet
bool shouldDistributeMessageToInlets();
// override sendMessage in order to update path
void sendMessage(int outlet_index, PdMessage *message);
private:
static void processSignal(DspObject *dspObject, int fromIndex, int toIndex);
void process_message(int inlet_index, PdMessage *message);
void clearAllMessagesAtOrAfter(double timestamp);
void clearAllMessagesFrom(list<PdMessage *>::iterator it);
/** Immediately updates the path variables based on the info in the message. */
void updatePathWithMessage(PdMessage *message);
float target;
float slope; // change per sample
float numSamplesToTarget;
float lastOutputSample;
// a list of pending path messages
list<PdMessage *> messageList;
};
inline std::string DspVariableLine::toString() {
return DspVariableLine::get_object_label();
}
inline const char *DspVariableLine::get_object_label() {
return "vline~";
}
inline bool DspVariableLine::shouldDistributeMessageToInlets() {
return false;
}
#endif // _DSP_VARIABLE_LINE_H_