| Server IP : www.new.bangkokfinder.com / Your IP : 172.69.166.35 Web Server : nginx/1.20.1 System : Linux new 4.15.0-159-generic #167-Ubuntu SMP Tue Sep 21 08:55:05 UTC 2021 x86_64 User : bangkokfinder ( 1000) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /usr/src/imagick-3.7.0/tests/ |
Upload File : |
--TEST--
Test Tutorial, levelizeImage
--SKIPIF--
<?php
$imageMagickRequiredVersion=0x675;
require_once(dirname(__FILE__) . '/skipif.inc');
?>
--FILE--
<?php
$blackPoint = 50;
$whitePoint = 100;
$gamma = 2.2;
function levelizeImage($blackPoint, $gamma, $whitePoint) {
$imagick = new \Imagick();
$imagick->newPseudoimage(300, 300, 'gradient:black-white');
$maxQuantum = $imagick->getQuantum();
$imagick->evaluateimage(\Imagick::EVALUATE_POW, 1 / $gamma);
//Adjust the scale from black to white to the new 'distance' between black and white
$imagick->evaluateimage(\Imagick::EVALUATE_MULTIPLY, ($whitePoint - $blackPoint) / 100 );
//Add move the black point to it's new value
$imagick->evaluateimage(\Imagick::EVALUATE_ADD, ($blackPoint / 100) * $maxQuantum);
$imagick->setFormat("png");
$bytes = $imagick->getImageBlob();
if (strlen($bytes) <= 0) { echo "Failed to generate image.";}
}
levelizeImage($blackPoint, $gamma, $whitePoint) ;
echo "Ok";
?>
--EXPECTF--
Ok