Anonymous

cv::Mat colorMap( 255, 255, CV_8UC3, cv::Scalar(0,0,0) );
	cv::Mat resultat( 255, 255, CV_8UC3, cv::Scalar(255,255,255) );
	

	
	//faire un dégradé de couleur dans l'image
	for (int y=0; y<255; y++)
	{
		for (int x=0; x<255; x++)
		{
			colorMap.at<cv::Vec3b>(x,y)[0] = x;
			colorMap.at<cv::Vec3b>(x,y)[1] = y;
			colorMap.at<cv::Vec3b>(x,y)[2] = 0;
		}
	}

	
	cv::imshow("test",colorMap);
	cv::waitKey(1);

	CvMat* deformation = cvCreateMat(3,3, CV_32F);

	CvPoint2D32f* c1 = (&cvPoint2D32f(0,0), &cvPoint2D32f(0,255), &cvPoint2D32f(255,0), &cvPoint2D32f(255,255));
	CvPoint2D32f* c2 = (&cvPoint2D32f(100,100), &cvPoint2D32f(20,200), &cvPoint2D32f(230,15), &cvPoint2D32f(200,240));
	deformation = cvGetPerspectiveTransform(c1, c2, deformation);

	cvWarpPerspective(&colorMap, &resultat, deformation);

	cv::imshow("test2", resultat);
	cv::waitKey(1);