RefractiveIndex/src/ShadowScapesAnalysis.cpp

/*
 - copyright (c) 2011 Copenhagen Institute of Interaction Design (CIID)
 - all rights reserved.
 
 + redistribution and use in source and binary forms, with or without
 + modification, are permitted provided that the following conditions
 + are met:
 +  > redistributions of source code must retain the above copyright
 +    notice, this list of conditions and the following disclaimer.
 +  > redistributions in binary form must reproduce the above copyright
 +    notice, this list of conditions and the following disclaimer in
 +    the documentation and/or other materials provided with the
 +    distribution.
 
 + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 + BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 + OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 + AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 + OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 + OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 + SUCH DAMAGE.
 
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 ~ author: dviid
 ~ contact: dviid@labs.ciid.dk 
 */

#include "ShadowScapesAnalysis.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 STATE_SCAN      0
#define STATE_ANALYSIS  1

void ShadowScapesAnalysis::setup(int camWidth, int camHeight)
{
    time_t rawtime;
    struct tm * timeinfo;
    
    time ( &rawtime );
    timeinfo = localtime ( &rawtime );
    string time = asctime(timeinfo);
    
    cout<<"time"<<time<<endl;
    
    ofDirectory dir;
    _whole_file_path= string(ANALYSIS_PATH)+RefractiveIndex::_location+"/"+ _name+"/"+time;
    
    
    //directories have to be created one level at a time hence repeated calls
    if(!dir.doesDirectoryExist(_whole_file_path)){
        
        dir.createDirectory(string(ANALYSIS_PATH)+RefractiveIndex::_location+"/", true,false); 
        dir.createDirectory(string(ANALYSIS_PATH)+RefractiveIndex::_location+"/"+ _name+"/", true,false); 
        dir.createDirectory(_whole_file_path, true,false);
        
    }
    _speed = 300;
}

void ShadowScapesAnalysis::synthesize()
{
    int w;
    if(_dir == H) w = ofGetWidth();
    else if(_dir == V) w = ofGetHeight();
    _step = ((w / _speed) * 1000) / 50;
    _line = 0;
    Timer scan_timer(0, 50);
    
    TimerCallback<ShadowScapesAnalysis> strobe_callback(*this, &ShadowScapesAnalysis::scan_cb);
    
    _state = STATE_SCAN;
    
    scan_timer.start(strobe_callback);
    
    while(_state != STATE_ANALYSIS)
        Thread::sleep(5);
    
    scan_timer.stop();
    // do analysis here
    // go back to the files i've saved and do the math here -     

    while(_state != STATE_STOP)
        Thread::sleep(100);
    
}

void ShadowScapesAnalysis::gui_attach(ofxControlPanel* gui)
{
    gui->addToggle("GO", "GO", 0);
    gui->addButtonSlider("animation time limit", "ANIMATION_TIME_LIMIT", 10, 1, 3000, TRUE);    
    
}

void ShadowScapesAnalysis::gui_detach()
{
    
    
}


// the animation draw - and the output draw 
void ShadowScapesAnalysis::draw()
{
    
    static int _pos;
    
    if(_state == STATE_ANALYSIS) {
        ofSetColor(0, 200, 0);               
        ofRect(0, 0, ofGetWidth(), ofGetHeight());         
        return;
    }
    
    if(_state == STATE_SCAN) {
        if(_pos != _line) {
            //take snap??
            _pos = _line;
        }
        ofSetColor(255, 255,  255); 
        
        if(_dir == H) ofRect(_pos, 0, 50, ofGetHeight());
        else if(_dir == V) ofRect(0, _pos, ofGetWidth(), 50);
        
    }
    
    
}


void ShadowScapesAnalysis::scan_cb(Timer& timer)
{
    cout << "ShadowScapesAnalysis::scan_cb\n";
    
    _line += _step;
    
    if((_dir == H && _line >= ofGetWidth()) || 
       (_dir == V && _line >= ofGetHeight())) { 
        _state = STATE_ANALYSIS;
    }
    
    
}