Visual Servoing Platform  version 3.4.1 under development (2021-12-05)
tutorial-image-manipulation.cpp
1 
2 #include <visp3/core/vpImage.h>
3 
4 int main()
5 {
6  try {
7  vpImage<unsigned char> gray_image(240, 320);
8  vpImage<vpRGBa> color_image(240, 320);
9 
10  gray_image = 128;
11  vpRGBa color(255, 0, 0);
12  color_image = color;
13 
14  unsigned int igray_max = gray_image.getHeight() - 1;
15  unsigned int jgray_max = gray_image.getWidth() - 1;
16  std::cout << "Gray image, last pixel intensity: " << (int)gray_image[igray_max][jgray_max] << std::endl;
17 
18  unsigned int icolor_max = color_image.getHeight() - 1;
19  unsigned int jcolor_max = color_image.getWidth() - 1;
20  std::cout << "Color image, last pixel RGB components: " << (int)color_image[icolor_max][jcolor_max].R << " "
21  << (int)color_image[icolor_max][jcolor_max].G << " " << (int)color_image[icolor_max][jcolor_max].B
22  << std::endl;
23  } catch (const vpException &e) {
24  std::cout << "Catch an exception: " << e << std::endl;
25  }
26 }
error that can be emited by ViSP classes.
Definition: vpException.h:71
Definition: vpRGBa.h:66