PHP获取图片颜色值

PHP获取图片颜色值

PHP获取图片颜色值,检测图片主要颜色的代码:

view sourceprint?01

02$i=imagecreatefromjpeg("photo3.jpg");//测试图片,自己定义一个,注意路径

03for ($x=0;$x

04 for ($y=0;$y

05 $rgb = imagecolorat($i,$x,$y);

06 $r=($rgb >>16) & 0xFF;

07 $g=($rgb >> & 0xFF;

08 $b=$rgb & 0xFF;

09 $rTotal += $r;

10 $gTotal += $g;

11 $bTotal += $b;

12 $total++;

13 }

14}

15$rAverage = round($rTotal/$total);

16$gAverage = round($gTotal/$total);

17$bAverage = round($bTotal/$total);

18//示例:

19echo $rAverage;

20?>