RefractiveIndex/src/CamNoiseAnalysis.cpp

#include "CamNoiseAnalysis.h"
#include "ofMain.h"

#include "Poco/Timer.h"
#include "Poco/Thread.h"

#include "RefractiveIndex.h"

using Poco::Timer;
using Poco::TimerCallback;
using Poco::Thread;

#define NUMBER_RUNS     1
#define ACQUIRE_TIME    20

void CamNoiseAnalysis::setup(int camWidth, int camHeight)
{
    NUM_RUN = RefractiveIndex::XML.getValue("config:analysis_NUM_RUN:NUM_RUN_camnoise", NUMBER_RUNS);
    cout << "NUM_RUN CamNoiseAnalysis " << NUM_RUN << endl;
    //NUM_RUN = 5;
    
    int acq_run_time;   // 10 seconds of acquiring per run
    acq_run_time = RefractiveIndex::XML.getValue("config:analysis_time:acquiretime_camnoise", ACQUIRE_TIME);
    cout << "ACQUIRE_TIME CamNoiseAnalysis " << acq_run_time << endl;

    
    //int acq_run_time = 20;   // 20 seconds of acquiring per run
    
    DELTA_T_SAVE = 2*(10*acq_run_time/2);       // for 20 seconds, we want this to be around 200 files
                                                // or 5 times per second = every 200 ms
    
    _frame_cnt_max = acq_run_time*ofGetFrameRate();  // e.g.: 30 frames per second * 20 seconds = 600 frames
    
    _frame_cnt = 0;
    _run_cnt = 0;
    _synth_save_cnt = 0;
    
    c = 0;
    
    int anim_time = 10;   // 10 seconds
    _anim_cnt_max = anim_time*ofGetFrameRate();  // e.g.: 30 frames per second = 150 frames
        
    //create_dir_allocate_images();

    _show_image = false;
    _image_shown = false;
    
    image1.clear();
    image2.clear();
    image3.clear();  
    image4.clear();
    image5.clear();
    
    //  images use for drawing the synthesized files to the screen ///
    image1.setUseTexture(false);  // the non texture image that is needed to first load the image
    image2.setUseTexture(true);   // the image that needs to get written to the screen which takes the content of image1
    
    //  images used for re-loading and saving out the synthesized files ///
    image3.setUseTexture(false);  
    image4.setUseTexture(false);
    image5.setUseTexture(false);
    
    image1.allocate(RefractiveIndex::_vid_w,RefractiveIndex::_vid_h,  OF_IMAGE_COLOR);
    image2.allocate(RefractiveIndex::_vid_w,RefractiveIndex::_vid_h,  OF_IMAGE_COLOR);
    image3.allocate(RefractiveIndex::_vid_w,RefractiveIndex::_vid_h,  OF_IMAGE_COLOR);  
    image4.allocate(RefractiveIndex::_vid_w,RefractiveIndex::_vid_h,  OF_IMAGE_COLOR);
    image5.allocate(RefractiveIndex::_vid_w,RefractiveIndex::_vid_h,  OF_IMAGE_COLOR);
    
    //cout << "RefractiveIndex::_vid_w " << RefractiveIndex::_vid_w << endl;
    //cout << "RefractiveIndex::_vid_h " << RefractiveIndex::_vid_h << endl;
    
    // clear() apparently fixes the "OF_WARNING: in allocate, reallocating a ofxCvImage" 
    // that we're getting in OSX/Windows and is maybe crashing Windows
    // http://forum.openframeworks.cc/index.php?topic=1867.0
    cvColorImage1.clear();
	cvGrayImage1.clear();
    cvGrayDiff1.clear();
    
    cvColorImage2.clear();
	cvGrayImage2.clear();
    cvGrayDiff2.clear();
    
    cvColorImage1.allocate(RefractiveIndex::_vid_w,RefractiveIndex::_vid_h);
	cvGrayImage1.allocate(RefractiveIndex::_vid_w,RefractiveIndex::_vid_h);
    cvGrayDiff1.allocate(RefractiveIndex::_vid_w,RefractiveIndex::_vid_h);
    
    cvColorImage2.allocate(RefractiveIndex::_vid_w,RefractiveIndex::_vid_h);
	cvGrayImage2.allocate(RefractiveIndex::_vid_w,RefractiveIndex::_vid_h);
    cvGrayDiff2.allocate(RefractiveIndex::_vid_w,RefractiveIndex::_vid_h);

}


void CamNoiseAnalysis::acquire()
{

    Timer* save_timer;
    TimerCallback<CamNoiseAnalysis> save_callback(*this, &CamNoiseAnalysis::save_cb);

    _frame_cnt = 0; _save_cnt = 0; _anim_cnt = 0, _synth_save_cnt = 0;
    _run_cnt++;
    _RUN_DONE = false;
    create_dir_allocate_images();

    // RUN ROUTINE
    // for(int i = 0; i < NUM_RUN; i++) {
    // _run_cnt = i;
    //cout << "RUN NUM = " << i;

    save_timer = new Timer(0, DELTA_T_SAVE); // timing interval for saving files
    save_timer->start(save_callback);
    
        while(!_RUN_DONE && _state != STATE_STOP)
            Thread::sleep(3);

    save_timer->stop();


   // }
}

void CamNoiseAnalysis::synthesise()
{   
    //cout << "CamNoiseAnalysis::saving synthesis...\n";
    if(_state == STATE_STOP) return;
    
    for(float i=1;i<_saved_filenames_analysis.size()-1;i++){
        
        //cout << "CamNoiseAnalysis::synthesis FOR LOOP...\n";
        
        //cout << "_saved_filenames_analysis[i]" << _saved_filenames_analysis[i] << endl;
        
        if(_state == STATE_STOP) return;
        
        if(!image1.loadImage(_saved_filenames_analysis[i])){
            //couldn't load image
            cout << "didn't load image" << endl;
        } 
        
        if(image1.loadImage(_saved_filenames_analysis[i])){
            //cout << "LOADED image1!!!" << endl;
            //if(image5.loadImage(_saved_filenames_analysis[i+1])){
            
            ///////////////////////// PROCESS THE SAVED CAMERA IMAGES OF SHIT TO THE IMAGES //////////////////////////
            
            cvColorImage1.setFromPixels(image1.getPixels(), image1.width, image1.height);
            //cvColorImage2.setFromPixels(image5.getPixels(), image5.width, image5.height);
            
            cvGrayImage1 = cvColorImage1;
            //cvGrayImage2 = cvColorImage2;
            
            //cvGrayDiff1.absDiff(cvGrayImage2, cvGrayImage1);
            cvGrayImage1.erode();
            cvGrayImage1.erode();
            cvGrayImage1.erode();
            cvGrayImage1.blur();
            cvGrayImage1.contrastStretch();
            
            /////////////////////////////////// SAVE TO DISK IN THE SYNTHESIS FOLDER ////////////////////////////////
            string file_name;
            
            file_name = ofToString(_synth_save_cnt, 2)+"_CamNoiseAnalysis_"+ofToString(_run_cnt,2)+".jpg";
            
            
            //<---- THE OLD WAY OF SAVING - works on OSX but generates BLACK FRAMES on WINDOWS ---->
            // ofSaveImage(cvGrayImage1.getPixelsRef(),_whole_file_path_synthesis+"/"+file_name, OF_IMAGE_QUALITY_BEST);
           
            
            //<---- NEW SAVING - seems to fix WINDOWS saving out BLACK FRAMES PROBLEM ---->
            //ofImage image;
            //image.allocate(cvGrayImage1.width, cvGrayImage1.height, OF_IMAGE_GRAYSCALE);

            //*** This needs to be here for OSX of we get a BAD ACCESS ERROR. DOES IT BREAK WINDOWS? ***//
            //image.setUseTexture(false);  
            
            //image.setFromPixels(cvGrayImage1.getPixels(), cvGrayImage1.width, cvGrayImage1.height, OF_IMAGE_GRAYSCALE);
            //image.saveImage(_whole_file_path_synthesis+"/"+file_name);
            
            //_saved_filenames_synthesis.push_back(_whole_file_path_synthesis+"/"+file_name);
           
            // <--- REALLY NEW SAVING METHOD --- 26 feb 2012 --- consolidated the save function into Abstract Analysis> ///
            saveImageSynthesis(file_name, &cvGrayImage1, OF_IMAGE_GRAYSCALE);
            _synth_save_cnt++;
            
            
            //}
        }
    }
    
    // _saved_filenames_synthesis has processed all the files in the analysis images folder
    while(!_RUN_DONE && _state != STATE_STOP)
        Thread::sleep(3);
}

void CamNoiseAnalysis::displayresults()
{
    for(float i=1;i<_saved_filenames_synthesis.size();i++){
        
        if(_state == STATE_STOP) return;
        
        //cout << "_saved_filenames_analysis[i] - " << _saved_filenames_synthesis[i] << endl;
        
        while(!_image_shown){
            Thread::sleep(2);
            //cout << "!_image_shown" << endl;
        }
        
        if(!image3.loadImage(_saved_filenames_synthesis[i])){
            //couldn't load image
            cout << "didn't load image" << endl;
        } 
        
        if(image3.loadImage(_saved_filenames_synthesis[i])){
            image3.loadImage(_saved_filenames_synthesis[i]);
            //cout << "_show_image = true;" << endl;
            _show_image = true;
            _image_shown = false;
        }
    }
}


// this runs at frame rate = 33 ms for 30 FPS
void CamNoiseAnalysis::draw()
{
    switch (_state) {
        case STATE_ACQUIRING:
        {
            /// *** TODO  *** ///
            // still need to deal with latency frames here - i.e.: there are frames
            /// *** TODO  *** ///
              
            if (_frame_cnt < _frame_cnt_max)
            {
                
                ofEnableAlphaBlending();
                ofColor aColour;
                
                int _fade_in_frames = _frame_cnt_max/10;
                float _number_of_grey_levels=5;
                
                float _frames_per_level = _frame_cnt_max / _number_of_grey_levels;
                ofColor someColor;
                
                 /*
                if (_frame_cnt < _fade_in_frames) {
                    aColour.set(255, 255, 255, ofMap(_frame_cnt, 0, _fade_in_frames, 0, 255));
                    ofSetColor(aColour);
                    ofRect(0, 0, ofGetWidth(), ofGetHeight());
                    //cout <<  "FADE IN STROBE TIME " << endl;    
                }
                */
                //if (_frame_cnt >= _fade_in_frames && _frame_cnt < (_frame_cnt_max)){
                    
        
                    for(int i=1;i<_number_of_grey_levels;i++){
                        if ( _frame_cnt >= _frames_per_level*(i-1) && +_frame_cnt < _frames_per_level * (i+1) ) {
                            //set colour to current grey level
                            c=255-( 255.0 * ( i /_number_of_grey_levels));
                            //cout << "c: " << c << endl;
                            someColor.set(c);
                        }
                        
                        ofSetColor(someColor);
                        ofRect(0, 0, ofGetWidth(), ofGetHeight());
                    }
                    
                //}
                /*
                if (_frame_cnt >= (_frame_cnt_max-_fade_in_frames) && _frame_cnt < _frame_cnt_max) {
                        aColour.set(0, 0, 0, ofMap(_frame_cnt-(_frame_cnt_max-_fade_in_frames), 0, _fade_in_frames, 0, 255));
                        ofSetColor(aColour);
                        ofRect(0, 0, ofGetWidth(), ofGetHeight());
                        // cout <<  "FADE OUT STROBE TIME " << endl;
                }         
                */
                ofDisableAlphaBlending();
                
    
            } else {
               // _state = STATE_SYNTHESISING;
                _RUN_DONE = true;
            }
            
            _frame_cnt++;
            break;
       
        }
            
        case STATE_SYNTHESISING:
        {
            // display animation of something while the synthesis in on-going...
            
            //cout << "CamNoiseAnalysis = STATE_SYNTHESISING...\n";
            
            // display animation of something while the synthesis in on-going...
            ofEnableAlphaBlending();
            ofSetRectMode(OF_RECTMODE_CENTER);
            ofPushMatrix();
            ofTranslate(ofGetWidth()/2, ofGetHeight()/2);
            
            if(_anim_cnt < _anim_cnt_max){
                
                ofColor aColour;
                int rectSizeW = ofGetWidth()/4;
                int rectSizeH = ofGetHeight()/4;
                int _fade_in_frames = _anim_cnt_max/2;
                
                int c_anim = 10;
                int fade;
                
                //ofRotate(ofMap(_anim_cnt/2.0, 0, _anim_cnt_max, 0, 360));
                
                if (_anim_cnt < _fade_in_frames) {
                    //cout << "CamNoiseAnalysis STATE_SYNTHESIZING = FADING IN ANIMATION...\n";
                    
                    fade = ofMap(_anim_cnt, 0, _fade_in_frames, 0, 255);
                    
                    for (int i=0; i <= 15; i++){
                        c_anim = 0+17*i;
                        
                        aColour.set(c_anim, c_anim, c_anim, fade);
                        ofSetColor(aColour);
                        
                        ofRect(0, 0, rectSizeW+10*i, rectSizeH+10*i);
                        ofRect(0, 0, rectSizeW-10*i, rectSizeH-10*i);
                    }
                }
                
                if (_anim_cnt >= _fade_in_frames && _anim_cnt <= (_anim_cnt_max-_fade_in_frames)){
                    
                    for (int i=0; i <= 15; i++){
                        c_anim = 255;
                        aColour.set(c_anim, c_anim, c_anim, 255);
                        ofSetColor(aColour);
                        
                        ofRect(0, 0, rectSizeW+10*i, rectSizeH+10*i);
                        ofRect(0, 0, rectSizeW-10*i, rectSizeH-10*i);
                    }
                }
                
                if (_anim_cnt > (_anim_cnt_max-_fade_in_frames) && _anim_cnt <= _anim_cnt_max) {
                    
                    //cout << "_anim_cnt = " << _anim_cnt-(_anim_cnt_max-_fade_in_frames) << endl;
                    fade = ofMap(_anim_cnt-(_anim_cnt_max-_fade_in_frames), 0, _fade_in_frames, 0, 255);
                    //cout << "fade down = " << fade << endl;
                    
                    for (int i=0; i <= 15; i++){
                        
                        c_anim = (17*i);
                        
                        aColour.set(c_anim, c_anim, c_anim, 255-fade);
                        ofSetColor(aColour);
                        ofRect(0, 0, rectSizeW+10*i, rectSizeH+10*i);
                        ofRect(0, 0, rectSizeW-10*i, rectSizeH-10*i);
                    }
                    
                }
                _anim_cnt++;
                
            } else {
                _RUN_DONE = true;
                //_state = STATE_DISPLAY_RESULTS;
                _anim_cnt=0;
            }
            ofPopMatrix();
            ofSetRectMode(OF_RECTMODE_CORNER);
            ofDisableAlphaBlending();
            
            break;
        }
            
        case STATE_DISPLAY_RESULTS:
        {
            
            //cout << "STATE_DISPLAY_RESULTS...\n" << endl;
            
            if (_frame_cnt > 2)
            {
                _image_shown = true;
                _frame_cnt=0;
            }
            
            _frame_cnt++;
            
            if (_show_image)
            {  
                //cout << "_show_image...\n" << endl;
                
                ofEnableAlphaBlending();
                
                ofSetColor(255, 255, 255);
                image2.setFromPixels(image3.getPixels(),image3.width,image3.height, OF_IMAGE_GRAYSCALE);
                image2.draw(0,0, ofGetWidth(), ofGetHeight());
                
                ofDisableAlphaBlending();
            }
            
            // display results of the synthesis
            _RUN_DONE = true;
            break;
        
        }
            
        default:
            break;
    }
    

}

// this runs at save_cb timer rate = DELTA_T_SAVE
void CamNoiseAnalysis::save_cb(Timer& timer)
{
    _save_cnt++;
    
    string file_name = ofToString(_save_cnt,2)+"_"+ ofToString(c,2)+"_"+ofToString(_run_cnt,2)+".jpg";
        
    saveImageAnalysis(file_name);
}