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samples/gpu/alpha_comp.cpp
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Suleyman TURKMEN
update cpp samples and tutorials
26 июн 2016, 20:55
26 июн 2016, 20:55
11ca1c9
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#include <iostream> #include "opencv2/core/opengl.hpp" #include "opencv2/highgui.hpp" #include "opencv2/cudaimgproc.hpp" using namespace std; using namespace cv; using namespace cv::cuda; int main() { cout << "This program demonstrates using alphaComp" << endl; cout << "Press SPACE to change compositing operation" << endl; cout << "Press ESC to exit" << endl; namedWindow("First Image", WINDOW_NORMAL); namedWindow("Second Image", WINDOW_NORMAL); namedWindow("Result", WINDOW_OPENGL); setGlDevice(); Mat src1(640, 480, CV_8UC4, Scalar::all(0)); Mat src2(640, 480, CV_8UC4, Scalar::all(0)); rectangle(src1, Rect(50, 50, 200, 200), Scalar(0, 0, 255, 128), 30); rectangle(src2, Rect(100, 100, 200, 200), Scalar(255, 0, 0, 128), 30); GpuMat d_src1(src1); GpuMat d_src2(src2); GpuMat d_res; imshow("First Image", src1); imshow("Second Image", src2); int alpha_op = ALPHA_OVER; const char* op_names[] = { "ALPHA_OVER", "ALPHA_IN", "ALPHA_OUT", "ALPHA_ATOP", "ALPHA_XOR", "ALPHA_PLUS", "ALPHA_OVER_PREMUL", "ALPHA_IN_PREMUL", "ALPHA_OUT_PREMUL", "ALPHA_ATOP_PREMUL", "ALPHA_XOR_PREMUL", "ALPHA_PLUS_PREMUL", "ALPHA_PREMUL" }; for(;;) { cout << op_names[alpha_op] << endl; alphaComp(d_src1, d_src2, d_res, alpha_op); imshow("Result", d_res); char key = static_cast<char>(waitKey()); if (key == 27) break; if (key == 32) { ++alpha_op; if (alpha_op > ALPHA_PREMUL) alpha_op = ALPHA_OVER; } } return 0; }