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这段代码可以帮助你判断任意图片的主色调，使用了简单的统计算法实现
- $i = imagecreatefromjpeg("image.jpg");
-
- for ($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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