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PHP提取任意图片的主颜色

时间：2021-07-01 10:21:17 帮助过：11人阅读

function dominant_color($image)
{
$i = imagecreatefromjpeg($image);
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);
}

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