diff ofxPreciseOnsetDetectorOffline/PointerOnsetVisualiser.cpp @ 6:eb29c6b6dff8

added pointer version of visualiser

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ofxPreciseOnsetDetectorOffline/PointerOnsetVisualiser.cpp	Sun Jan 19 23:07:13 2014 +0000
@@ -0,0 +1,225 @@
+/*
+ *  PointerOnsetVisualiser.cpp
+ *  GreenOnionsMidiBeatApp
+ *
+ *  Created by Andrew on 14/01/2014.
+ *  Copyright 2014 QMUL. All rights reserved.
+ *
+ */
+
+#include "PointerOnsetVisualiser.h"
+
+
+PointerOnsetVisualiser::PointerOnsetVisualiser(){
+	
+}
+
+PointerOnsetVisualiser::~PointerOnsetVisualiser(){
+	printf("deleting pointer in visualiser\n");
+	pod = NULL;
+	delete pod;
+	
+//	delete windowStart;
+//	delete windowEnd;
+//	delete windowPress;
+}
+
+void PointerOnsetVisualiser::newFile(){
+	resetWindow();
+//	windowPress = 0;
+	
+	soundPlay.loadSound(pod->loadedFilename, false);
+	paused = true;
+	soundPlay.play();
+	soundPlay.setPaused(true);
+}
+
+double PointerOnsetVisualiser::windowWidth(){
+	return (*windowEnd) - (*windowStart);
+}
+
+void PointerOnsetVisualiser::update(){
+	double positionNow = positionSeconds();
+	if (positionNow > (*windowEnd)){
+		double tmp = windowWidth();
+		(*windowEnd) += tmp;
+		(*windowStart) += tmp;
+		//printf("Scrolling\n");
+	}
+	
+}
+
+
+void PointerOnsetVisualiser::draw(){
+	//if plotting use this, else comment out
+	
+	ofSetColor(ofColor::white);
+	window.drawBackground();
+	ofSetColor(ofColor::black);
+	window.drawOutline();
+	
+	//draw df function
+	/*
+	 int startIndex = 0;
+	 while (startIndex < (int)pod->dfValues.size() && pod->frameIndexToSeconds(startIndex) < (*windowStart))
+	 startIndex++;
+	 
+	 int endIndex = 0;
+	 while (endIndex < (int)pod->dfValues.size()-1  && pod->frameIndexToSeconds(endIndex) < (*windowEnd))
+	 endIndex++;
+	 */	
+	ofSetColor(ofColor::tan);
+	//	plotter.drawVector(pod->dfValues, startIndex, endIndex, window);
+	plotter.drawVector(pod->dfValues, round(pod->secondsToFrameIndex((*windowStart))), round(pod->secondsToFrameIndex((*windowEnd))), window);
+	ofSetColor(ofColor::black);
+	ofDrawBitmapString(ofToString(round(pod->secondsToFrameIndex((*windowStart))), 1), window.x, window.y-10);
+	ofDrawBitmapString(ofToString(round(pod->secondsToFrameIndex((*windowEnd))), 1), window.x+window.width, window.y-10);
+	
+	ofSetColor(ofColor::blue);
+	plotter.drawBeatStripes(pod->onsetLocations, window, (*windowStart), (*windowEnd));
+	
+	//play position
+	ofSetColor(ofColor::red);
+	plotter.drawStripe(positionSeconds(), window, (*windowStart), (*windowEnd));
+	
+	ofSetColor(ofColor::black);
+	ofDrawBitmapString(ofToString((*windowStart), 1), window.x, window.y+window.height+10);
+	ofDrawBitmapString(ofToString((*windowEnd), 1), window.x+window.width, window.y+window.height+10);
+	
+}
+
+double PointerOnsetVisualiser::positionSeconds(){
+	return soundPlay.getPosition()*pod->samples/44100.;
+}
+
+//void PointerOnsetVisualiser::drawOnsets(DoubleVector& onsetTimesSeconds, ofxWindowregion& window, double startTime, double endTime){
+//}
+
+void PointerOnsetVisualiser::resetWindow(){
+	(*windowStart) = 0;
+	(*windowEnd) = 8;
+	//	while ((*windowEnd) < pod->samples/44100.)
+	//		(*windowEnd) *= 2;
+	
+	(*windowEnd) = pod->samples/44100.;
+	
+	printf("reset: start %.1f end %.1f\n", (*windowStart), (*windowEnd));
+}
+
+void PointerOnsetVisualiser::cropStart(){
+	if (soundPlay.getPositionMS()/1000. < (*windowEnd)){
+		(*windowStart) = soundPlay.getPositionMS()/1000.;
+		printf("s: start %.1f end %.1f\n", (*windowStart), (*windowEnd));
+	}
+}
+
+void PointerOnsetVisualiser::cropStartSeconds(double& val){
+	if (val < (*windowEnd))
+		(*windowStart) = val;
+}
+
+void PointerOnsetVisualiser::cropEnd(){//crops to play position
+	
+	if (soundPlay.getPositionMS()/1000. > (*windowStart)){
+		(*windowEnd) = soundPlay.getPositionMS()/1000.;
+		printf("crop end: start %.1f end %.1f\n", (*windowStart), (*windowEnd));
+	}
+}
+
+
+void PointerOnsetVisualiser::cropEndSeconds(double& val){
+	if (val > (*windowStart))
+		(*windowEnd) = val;
+	
+	printf("crop end: start %.1f end %.1f\n", (*windowStart), (*windowEnd));
+}
+
+
+void PointerOnsetVisualiser::mousePressed(int& x, int& y){
+	/*
+	 if (window.tapped(x, y)){
+		windowPress = (*windowStart) + ((*windowEnd)-(*windowStart))*(x - window.x)/window.width;
+		double newPos = windowPress/(double)(pod->samples/44100.);
+		printf("window position is %.1f new pos %f\n", windowPress, newPos);
+		soundPlay.setPositionMS(windowPress*1000.0);
+	}
+	 */
+}
+
+void PointerOnsetVisualiser::setSoundPositionSeconds(double position){
+	printf("set position, was %i, new pos %f\n", soundPlay.getPositionMS(), position);
+	soundPlay.setPositionMS(position*1000.0);
+	printf("new position %i\n", soundPlay.getPositionMS());
+}
+
+void PointerOnsetVisualiser::togglePlay(){
+	if (!paused ){
+		soundPlay.setPaused(true);
+		paused = true;
+		printf("was playing\n");
+	}
+	else {
+		soundPlay.setPaused(false);//
+		paused = false;
+		printf("was not playing\n");
+	}
+}
+
+void PointerOnsetVisualiser::stop(){
+	soundPlay.stop();
+	//then get set to be played
+	soundPlay.play();
+	soundPlay.setPaused(true);
+	soundPlay.setPositionMS((*windowStart)*1000.0);
+	paused = true;
+}
+
+void PointerOnsetVisualiser::zoomIn(){
+	double positionNow = positionSeconds();
+	if (positionNow > (*windowEnd)){
+		double tmp = windowWidth();
+		(*windowEnd) += windowWidth();
+		(*windowStart) += tmp;
+	}
+	
+	(*windowStart) = positionNow - ((*windowEnd)-(*windowStart))/4;
+	if ((*windowStart) < 0)
+		(*windowStart) = 0;
+	(*windowEnd) = positionNow + ((*windowEnd)-(*windowStart))/4;
+}
+
+
+void PointerOnsetVisualiser::zoomOut(){
+	double positionNow = positionSeconds();
+	if (positionNow > (*windowEnd)){
+		double tmp = windowWidth();
+		(*windowEnd) += tmp;
+		(*windowStart) += tmp;
+	}
+	
+	(*windowStart) = positionNow - ((*windowEnd)-(*windowStart));
+	(*windowEnd) = positionNow + ((*windowEnd)-(*windowStart));
+	if ((*windowStart) < 0)
+		(*windowStart) = 0;
+}
+
+void PointerOnsetVisualiser::scrollLeft(){
+	double tmp = windowWidth();
+	(*windowStart) = max(0., (*windowStart) - windowWidth()/2.);
+	(*windowEnd) = (*windowStart) + tmp;
+	checkPosition();
+}
+
+
+void PointerOnsetVisualiser::scrollRight(){
+	double tmp = windowWidth();
+	(*windowStart) = min( (*windowStart)+tmp/2., pod->samples/44100.);
+	(*windowEnd) = (*windowStart) + tmp;
+	checkPosition();
+}
+
+void PointerOnsetVisualiser::checkPosition(){
+	double positionNow = positionSeconds();
+	if (positionNow < (*windowStart) || positionNow > (*windowEnd))
+		soundPlay.setPositionMS((*windowStart)*1000);
+}
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