simple ofxOpenCv RPI test

testApp.cpp

#include "testApp.h"

bool hasCaptured = false;
//--------------------------------------------------------------
void testApp::setup(){
	ofSetLogLevel(OF_LOG_VERBOSE);
	
	logo1.loadImage("ofLogo1.jpg");
	w = logo1.getWidth();
	h = logo1.getHeight();
	ofLogVerbose() << "logo1.getWidth(), logo1.getHeight(): " << w << " " << h;
    colorImg.allocate(w, h);
	colorImg.setFromPixels(logo1.getPixels(), w, h);
	grayImage.allocate(w, h);
	grayImage = colorImg;


}

//--------------------------------------------------------------
void testApp::update(){
	


}

//--------------------------------------------------------------
void testApp::draw(){
	ofBackground(100,100,100);

	colorImg.draw(0,0, w, h);
	grayImage.draw(w, 0, w, h);
	if (!hasCaptured) {
		hasCaptured = true;
		ofImage screenCap;
		screenCap.grabScreen(0, 0, w*2, h);
		screenCap.saveImage(ofToDataPath("cv.jpg", true));
	}




}

//--------------------------------------------------------------
void testApp::keyPressed(int key){

	
}

//--------------------------------------------------------------
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){

}

//--------------------------------------------------------------
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){ 

}

testApp.h

#pragma once

#include "ofMain.h"

#include "ofxOpenCv.h"

//#define _USE_LIVE_VIDEO		// uncomment this to use a live camera
								// otherwise, we'll use a movie file

class testApp : public ofBaseApp{

	public:
		void setup();
		void update();
		void draw();
		
		void keyPressed(int key);
		void keyReleased(int key);
		void mouseMoved(int x, int y );
		void mouseDragged(int x, int y, int button);
		void mousePressed(int x, int y, int button);
		void mouseReleased(int x, int y, int button);
		void windowResized(int w, int h);
		void dragEvent(ofDragInfo dragInfo);
		void gotMessage(ofMessage msg);		



        ofxCvColorImage			colorImg;

        ofxCvGrayscaleImage 	grayImage;
		ofxCvGrayscaleImage 	grayBg;
		ofxCvGrayscaleImage 	grayDiff;
		ofImage logo1;
		int w, h;


};