PHP提取任意图片的主颜色

1. function dominant_color($image)
2. {
3. $i = imagecreatefromjpeg($image);
4. for ($x=0;$x for ($y=0;$y $rgb = imagecolorat($i,$x,$y);
5. $r = ($rgb >> 16) & 0xFF;
6. $g = ($rgb >> & 0xFF;
7. $b = $rgb & 0xFF;
8. $rTotal += $r;
9. $gTotal += $g;
10. $bTotal += $b;
11. $total++;
12. }
13. }
14. $rAverage = round($rTotal/$total);
15. $gAverage = round($gTotal/$total);
16. $bAverage = round($bTotal/$total);
17. }

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PHP