/*******************************************************

* Copyright (c) 2014, ArrayFire

* All rights reserved.

*

* This file is distributed under 3-clause BSD license.

* The complete license agreement can be obtained at:

* http://arrayfire.com/licenses/BSD-3-Clause

********************************************************/

#include <arrayfire.h>

#include <math.h>

#include <cstdio>

using namespace af;

int main(int, char**) {

try {

// Initialize the kernel array just once

af::info();

af::Window myWindow(512, 512, "Histogram example using ArrayFire");

af::Window imgWnd(480, 640, "Input Image");

array img = loadImage(ASSETS_DIR "/examples/images/arrow.jpg", false);

array hist_out = histogram(img, 256, 0, 255);

myWindow.setAxesTitles("Bins", "Frequency");

myWindow.setPos(480, 0);

while (!myWindow.close() && !imgWnd.close()) {

myWindow.hist(hist_out, 0, 255);

imgWnd.image(img.as(u8));

}

}

catch (af::exception& e) {

fprintf(stderr, "%s\n", e.what());

throw;

}

return 0;

}