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#include "testApp.h"
//--------------------------------------------------------------
void testApp::setup(){
loadSettings("settings.xml");
//sender.setup(host.c_str(),port);
sender.setup("192.168.15.6",57117);
bInvert=true;
threshold = 80;
//
gw=640;
gh=480;
vidGrabber.setVerbose(true);
vidGrabber.initGrabber(gw,gh); //base grab size
colorImg.allocate(gw,gh);
grayImage.allocate(gw,gh);
grayBg.allocate(gw,gh);
grayDiff.allocate(gw,gh);
bLearnBakground = true;
bFlip=true;
if (boundaries.size()==0) {
boundaries.push_back(boundary());
}
selectedBoundary=0;
}
//--------------------------------------------------------------
void testApp::update(){
vidGrabber.grabFrame();
bool bNewFrame = vidGrabber.isFrameNew();
if (bNewFrame){
colorImg.setFromPixels(vidGrabber.getPixels(), gw,gh);
if (bFlip) colorImg.mirror(false,true);
grayImage = colorImg;
if (bInvert) grayImage.invert();
if (bLearnBakground == true){
grayBg = grayImage; // the = sign copys the pixels from grayImage into grayBg (operator overloading)
bLearnBakground = false;
}
grayDiff.absDiff(grayBg, grayImage);
grayDiff.threshold(threshold);
contourFinder.findContours(grayDiff, 20, (gw*gh)/3, 10, true); // find holes
}
//generate midi
for (int i = 0; i < contourFinder.nBlobs; i++){
for (int j=0;j<boundaries.size();j++) {
if (boundaries[j].contains(contourFinder.blobs[i].centroid)) {
sendNote(boundaries[j].note);
//printf("sending %i\n",boundaries[j].note);
}
}
}
}
//--------------------------------------------------------------
void testApp::draw(){
ofSetColor(255,255,255);
colorImg.draw(0,0,gw,gh); //(ofGetHeight()-gh)/2,gw,ofGetHeight()+((gh-ofGetHeight())/2));
for (int i = 0; i < contourFinder.nBlobs; i++){
contourFinder.blobs[i].draw(0,0); //(ofGetHeight()-gh)/2);
}
for (int i=0;i<boundaries.size();i++) {
if (selectedBoundary==i) ofSetColor(255,0,0);
else ofSetColor(180,0,0);
boundaries[i].draw();
}
}
//--------------------------------------------------------------
void testApp::keyPressed(int key){
switch (key){
case ' ':
bLearnBakground = true;
break;
case '+':
threshold ++;
if (threshold > 255) threshold = 255;
break;
case '-':
threshold --;
if (threshold < 0) threshold = 0;
break;
case 'i':
bInvert=!bInvert;
break;
case 'f':
bFlip=!bFlip;
break;
case 's':
saveSettings("settings.xml");
break;
case 'a':
boundaries.push_back(boundary());
selectedBoundary=boundaries.size()-1;
break;
case 'z':
boundaries[selectedBoundary].undo();
break;
case 'q':
boundaries.erase(boundaries.begin()+selectedBoundary);
if (selectedBoundary==boundaries.size()) selectedBoundary=0;
break;
case OF_KEY_PAGE_UP:
selectedBoundary--;
if (selectedBoundary<0) selectedBoundary=boundaries.size()-1;
break;
case OF_KEY_PAGE_DOWN:
selectedBoundary=(selectedBoundary+1)%boundaries.size();
break;
case OF_KEY_LEFT:
boundaries[selectedBoundary].note--;
break;
case OF_KEY_RIGHT:
boundaries[selectedBoundary].note++;
break;
}
}
//--------------------------------------------------------------
void testApp::sendNote(int note){
ofxOscMessage m;
m.setAddress("/osc/midi/out/noteOn");
m.addIntArg(channel);
m.addIntArg(note);
m.addIntArg(127);
m.addIntArg(1);
sender.sendMessage(m);
}
//--------------------------------------------------------------
void testApp::keyReleased(int key){
}
//--------------------------------------------------------------
void testApp::mouseMoved(int x, int y ){
}
//--------------------------------------------------------------
void testApp::mouseDragged(int x, int y, int button){
}
//--------------------------------------------------------------
void testApp::mousePressed(int x, int y, int button){
boundaries[selectedBoundary].add(ofPoint(x,y,0));
}
//--------------------------------------------------------------
void testApp::mouseReleased(int x, int y, int button){
}
//--------------------------------------------------------------
void testApp::windowResized(int w, int h){
}
//--------------------------------------------------------------
void testApp::gotMessage(ofMessage msg){
}
//--------------------------------------------------------------
void testApp::dragEvent(ofDragInfo dragInfo){
}
void testApp::loadSettings(string filename){
if( !XML.loadFile(filename) ){
printf("unable to load %s check data/ folder\n",filename.c_str());
}else{
host=XML.getAttribute("figgis","host","127.0.0.1",0);
port=XML.getAttribute("figgis","port",5151,0);
channel=XML.getAttribute("figgis","channel",1,0);
bInvert=(XML.getAttribute("figgis","invert",0,0)==1);
threshold = XML.getAttribute("figgis","threshold",80,0);
if(XML.pushTag("boundaries")) {
for (int i=0;i<XML.getNumTags("boundary");i++){
boundaries.push_back(boundary(XML.getAttribute("boundary","note",40,i)));
selectedBoundary=boundaries.size()-1;
XML.pushTag("boundary",i);
for (int j=0;j<XML.getNumTags("point");j++){
boundaries[selectedBoundary].add(ofPoint(XML.getAttribute("point","x",0.0,j),XML.getAttribute("point","y",0.0,j),0.0));
}
XML.popTag();
}
XML.popTag();
}
printf("loaded %s\n",filename.c_str());
}
}
void testApp::saveSettings(string filename){
XML.setAttribute("figgis","invert",bInvert,0);
XML.setAttribute("figgis","threshold",threshold,0);
if (XML.tagExists("boundaries")) XML.removeTag("boundaries");
XML.addTag("boundaries");
if(XML.pushTag("boundaries")) {
for (int i=0;i<boundaries.size();i++){
XML.addTag("boundary");
XML.setAttribute("boundary","note",boundaries[i].note,i);
if(XML.pushTag("boundary",i)) {
for (int j=0;j<boundaries[i].points.size();j++){
XML.addTag("point");
XML.setAttribute("point","x",boundaries[i].points[j].x,j);
XML.setAttribute("point","y",boundaries[i].points[j].y,j);
}
XML.popTag();
}
}
XML.popTag();
}
XML.saveFile(filename);
printf("saved %s\n",filename.c_str());
}
void testApp::exit(){
}
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