//--------------------------------------------------------------
void testApp::setup(){
	
	camWidth 		= 320;
	camHeight 		= 240;
	
	vidGrabber.setVerbose(true);
	vidGrabber.setDeviceID(0);
	vidGrabber.setDesiredFrameRate(60);
	vidGrabber.initGrabber(camWidth,camHeight);
	
	videoRot90 	= new unsigned char[camWidth*camHeight*3];
	videoRot180 = new unsigned char[camWidth*camHeight*3];
	videoRot270 = new unsigned char[camWidth*camHeight*3];
	verticalFlip = new unsigned char[camWidth*camHeight*3];
	horizontalFlip = new unsigned char[camWidth*camHeight*3];
	
	videoTexture90.allocate(camHeight, camWidth, GL_RGB);
	videoTexture180.allocate(camWidth, camHeight, GL_RGB);
	videoTexture270.allocate(camHeight, camWidth, GL_RGB);
	verticalFlipTexture.allocate(camWidth, camHeight, GL_RGB);
	horizontalFlipTexture.allocate(camWidth, camHeight, GL_RGB);
	
	ofSetVerticalSync(true);
}


//--------------------------------------------------------------
void testApp::update(){
	
	ofBackground(100,100,100);
	
	vidGrabber.update();
	
	if (vidGrabber.isFrameNew()){
		unsigned char * pixels = vidGrabber.getPixels();
		for (int i = 0; i < 3 * camWidth; i += 3){
			for (int j = 0; j < camHeight; j++) {
				// Rotation 90
				videoRot90[(camWidth - (i / 3) - 1) * 3 * camHeight + 3 * j] = pixels[j * 3 * camWidth + i];
				videoRot90[(camWidth - (i / 3) - 1) * 3 * camHeight + 3 * j + 1] = pixels[j * 3 * camWidth + i + 1];
				videoRot90[(camWidth - (i / 3) - 1) * 3 * camHeight + 3 * j + 2] = pixels[j * 3 * camWidth + i + 2];
				
				// Rotation 180
				videoRot180[(camHeight - j - 1) * 3 * camWidth + 3 * (camWidth - 1) - i] = pixels[j * 3 * camWidth + i];
				videoRot180[(camHeight - j - 1) * 3 * camWidth + 3 * (camWidth - 1) - i + 1] = pixels[j * 3 * camWidth + i + 1];
				videoRot180[(camHeight - j - 1) * 3 * camWidth + 3 * (camWidth - 1) - i + 2] = pixels[j * 3 * camWidth + i + 2];
				
				// Rotation 270
				videoRot270[((i / 3)) * 3 * camHeight + 3 * (camHeight - j - 1)] = pixels[j * 3 * camWidth + i];
				videoRot270[((i / 3)) * 3 * camHeight + 3 * (camHeight - j - 1) + 1] = pixels[j * 3 * camWidth + i + 1];
				videoRot270[((i / 3)) * 3 * camHeight + 3 * (camHeight - j - 1) + 2] = pixels[j * 3 * camWidth + i + 2];
				
				// Vertical Flip
				verticalFlip[(camHeight - j - 1) * 3 * camWidth + i] =     pixels[j * 3 * camWidth + i];
				verticalFlip[(camHeight - j - 1) * 3 * camWidth + i + 1] = pixels[j * 3 * camWidth + i + 1];
				verticalFlip[(camHeight - j - 1) * 3 * camWidth + i + 2] = pixels[j * 3 * camWidth + i + 2];
				
				// HorizontalFlip
				horizontalFlip[j * 3 * camWidth + 3 * (camWidth - 1) - i] = pixels[j * 3 * camWidth + i];
				horizontalFlip[j * 3 * camWidth + 3 * (camWidth - 1) - i + 1] = pixels[j * 3 * camWidth + i + 1];
				horizontalFlip[j * 3 * camWidth + 3 * (camWidth - 1) - i + 2] = pixels[j * 3 * camWidth + i + 2];
			}
		}
		videoTexture90.loadData(videoRot90, camHeight, camWidth, GL_RGB);
		videoTexture180.loadData(videoRot180, camWidth, camHeight, GL_RGB);
		videoTexture270.loadData(videoRot270, camHeight, camWidth, GL_RGB);
		verticalFlipTexture.loadData(verticalFlip, camWidth, camHeight, GL_RGB);
		horizontalFlipTexture.loadData(horizontalFlip, camWidth, camHeight, GL_RGB);
	}
}

//--------------------------------------------------------------
void testApp::draw(){
	ofSetHexColor(0xffffff);
	vidGrabber.draw(20,20);
	videoTexture90.draw(40+camWidth,20, camHeight, camWidth);
	videoTexture180.draw(20, 40 + camWidth, camWidth, camHeight);
	videoTexture270.draw(40+ camWidth,40 + camWidth, camHeight, camWidth);
	verticalFlipTexture.draw(60 + camWidth + camHeight, 20, camWidth, camHeight);
	horizontalFlipTexture.draw(60+ camWidth + camHeight, 40 + camWidth, camWidth, camHeight);
}

	ofVideoGrabber 		vidGrabber;
	unsigned char * 	videoRot90;
	unsigned char * 	videoRot180;
	unsigned char * 	videoRot270;
	unsigned char * 	verticalFlip;
	unsigned char * 	horizontalFlip;
	ofTexture			videoTexture90;
	ofTexture			videoTexture180;
	ofTexture			videoTexture270;
	ofTexture			verticalFlipTexture;
	ofTexture			horizontalFlipTexture;
	int 				camWidth;
	int 				camHeight;