I am writing a program that uses the XGetPixel() method. However, upon using it I get an error saying "Error: XGetPixel was not declared in this scope"
My code is the following:
#include
#include
#include
#include
using namespace std;
int main()
{
// Open a display.
Display *d = XOpenDisplay(NULL);
// Get the root of the display
Window root = DefaultRootWindow(d);
// Map the root window
XMapWindow(d, root);
// Get width and height of the display
int windowHeight = XDisplayHeight (d, 0);
int windowWidth = XDisplayWidth(d, 0);
// Get dump of screen
XImage *image = XGetImage(d, root, 0, 0, windowWidth, windowHeight, AllPlanes, ZPixmap);
XGetPixel(image,5,5);
return 0;
}
Strangely, when I check in the X11/Xlib.h it dosn't appear to even have a XGetPixel() method or structure. Is it possible this is a bug? I am currently using Ubuntu 16 and installed it using apt-get libx11-dev and I cannot find any reported issues about this problem.
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