PHP获取图片每个像素点详解编程语言

PHP获取图片每个像素点

 $i = imagecreatefromjpeg("test.jpg"); //图片路径
 for ($x = 0; $x < imagesx($i); $x++) {
 for ($y = 0; $y < imagesy($i); $y++) {
 $rgb = imagecolorat($i, $x, $y);
 $r = ($rgb >> 16) & 0xFF;
 $g = ($rgb >> 8) & 0xFF;
 $b = $rgb & 0xFF;
 echo "($r,$g,$b)";
//echo "$rgb ";
 }
 echo "/n";
 }