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Diffstat (limited to 'src/testApp.cpp')
| -rwxr-xr-x | src/testApp.cpp | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/src/testApp.cpp b/src/testApp.cpp new file mode 100755 index 0000000..28d3ef2 --- /dev/null +++ b/src/testApp.cpp @@ -0,0 +1,234 @@ +#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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