Visual Servoing Platform  version 3.2.0 under development (2018-12-14)
tutorial-image-manipulation.cpp
#include <visp3/core/vpImage.h>
int main()
{
try {
vpImage<unsigned char> gray_image(240, 320);
vpImage<vpRGBa> color_image(240, 320);
gray_image = 128;
vpRGBa color(255, 0, 0);
color_image = color;
unsigned int igray_max = gray_image.getHeight() - 1;
unsigned int jgray_max = gray_image.getWidth() - 1;
std::cout << "Gray image, last pixel intensity: " << (int)gray_image[igray_max][jgray_max] << std::endl;
unsigned int icolor_max = color_image.getHeight() - 1;
unsigned int jcolor_max = color_image.getWidth() - 1;
std::cout << "Color image, last pixel RGB components: " << (int)color_image[icolor_max][jcolor_max].R << " "
<< (int)color_image[icolor_max][jcolor_max].G << " " << (int)color_image[icolor_max][jcolor_max].B
<< std::endl;
} catch (const vpException &e) {
std::cout << "Catch an exception: " << e << std::endl;
}
}