Example of getting the color value of an image in php
Release: 2016-07-25 08:53:06
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- /**
- * php gets the color value of the image
- * by bbs.it-home.org
- */
- $i=imagecreatefromjpeg("photo3.jpg");//Test image, define one yourself, pay attention to the path
- for ($x=0; $x for ($y=0;$y $rgb = imagecolorat($i,$x,$y);
- $r=($rgb >>16) & 0xFF;
- $g=($rgb >> & 0xFF;
- $b=$rgb & 0xFF;
- $rTotal += $r;
- $gTotal += $g;
- $bTotal += $b;
- $total++;
- }
- }
- $rAverage = round($rTotal/$total);
- $gAverage = round($gTotal/$total);
- $bAverage = round($bTotal/$total);
- //Example:
- echo $rAverage;
- ?>
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