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glfwSetWindowContentScaleCallback

This function sets the window content scale callback of the specified window, which is called when the content scale of the specified window changes.

function glfwSetWindowContentScaleCallback(\GLFWwindow $window, callable $callback) : void

This callback is provided for convenience. The equivalent functionality can be achieved by registering a window size callback and querying the content scale within that callback.

Example: 

glfwSetWindowContentScaleCallback($window, function($xscale, $yscale) {
    echo "Window content scale changed to: " . $xscale . "x" . $yscale .
PHP_EOL;
});

arguments
  1. \GLFWwindow $window The window whose callback to set.
  2. callable $callback
returns

void

Copyright

This documentation page is prased from the glfw3.h header file, and only modified to fit the PHP-GFLW extension bindings. The original documentation copyright is as follows:

Copyright (c) 2002-2006 Marcus Geelnard
Copyright (c) 2006-2019 Camilla Löwy
https://www.glfw.org/license