> 16) & 0xFF; $g = ($rgb >> & 0xFF; $b = $rgb & 0xFF; $rTotal += $r; $gTotal += $g; $bTotal += $b; $total++; }}$rAverage = round($rT">

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输入banner图图片脚本导航/分类

php提取图片的主要颜色

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

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