php提取图片的主要颜色
php提取图片的主要颜色 ```{php}$i = imagecreatefromjpeg(quot;image.jpgquot;);for ($x=0;$xlt;imagesx($i);$x++) { for ($y=0;$ylt;imagesy($i);$y++) { $rgb = imagecolorat($i,$x,$y); $r = ($rgb gt;gt; 16) amp; 0x
$i = imagecreatefromjpeg("image.jpg");
for ($x=0;$x<imagesx($i);$x++) {
for ($y=0;$y<imagesy($i);$y++) {
$rgb = imagecolorat($i,$x,$y);
$r = ($rgb >> 16) & 0xFF;
$g = ($rgb >> & 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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