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tutorial-image-converter.cpp
1 
2 #include <visp3/io/vpImageIo.h>
3 #include <visp3/core/vpImageConvert.h>
4 
5 int main()
6 {
7 #if defined(VISP_HAVE_OPENCV) && (VISP_HAVE_OPENCV_VERSION >= 0x020100)
8  try {
9  cv::Mat A;
10 #if (VISP_HAVE_OPENCV_VERSION >= 0x030000)
11  A = cv::imread("monkey.bmp", cv::IMREAD_GRAYSCALE);
12 #else
13  A = cv::imread("monkey.bmp", CV_LOAD_IMAGE_GRAYSCALE);
14 #endif
15 
18 
19 # ifdef VISP_HAVE_PNG
20  vpImageIo::write(I, "monkey.png"); // Gray
21 # endif
22  }
23  catch(vpException &e) {
24  std::cout << "Catch an exception: " << e << std::endl;
25  }
26 #endif
27 }
static void convert(const vpImage< unsigned char > &src, vpImage< vpRGBa > &dest)
error that can be emited by ViSP classes.
Definition: vpException.h:73
static void write(const vpImage< unsigned char > &I, const std::string &filename)
Definition: vpImageIo.cpp:368