<?php
/**
* 将多张图片水平拼接成一张图片
* @param array $pic 图片集合
* @param int $height 图片高度
* @param int $space 图片间隔
* @param bool $transparent 是否透明
* @return null|string base64字符串
*/
function horJoinPic(array $pic, $height = 200, $space = 0, $transparent = true)
{
$len = count($pic);
if ($len == 0) {
return null;
}
$bgWidth = ($height * $len) + $len * $space; // 背景图片高度
$bg = imagecreatetruecolor($bgWidth, $height); // 背景图片
$color = imagecolorallocate($bg, 255, 255, 255); // 为真彩色画布创建白色背景
imagefill($bg, 0, 0, $color);
$transparent && imageColorTransparent($bg, $color); // 再设置为透明
$startX = 0; // 开始位置X
$startY = 0; // 开始位置Y
$picWidth = $height; // pic宽度
$picHeight = $height; // pic高度
foreach ($pic as $key => $value) {
$startX = $key * ($picWidth + $space);
$pathInfo = pathinfo($value);
switch (strtolower($pathInfo['extension'])) {
case 'jpg':
case 'jpeg':
$imageCreateFrom = 'imagecreatefromjpeg';
break;
case 'png':
$imageCreateFrom = 'imagecreatefrompng';
break;
case 'gif':
default:
$imageCreateFrom = 'imagecreatefromstring';
$value = file_get_contents($value);
break;
}
$resource = $imageCreateFrom($value);
// $start_x,$start_y copy图片在背景中的位置
// 0,0 被copy图片的位置
// $pic_w,$pic_h copy后的宽度和高度
// 最后两个参数为原始图片宽度和高度,copy时的图片宽度和高度
imagecopyresized($bg, $resource, $startX, $startY, 0, 0, $picWidth, $picHeight, imagesx($resource), imagesy($resource));
}
//header("Content-type: image/png");
//imagepng($bg);
ob_start();
imagepng($bg);
imagedestroy($bg);
$data = ob_get_contents();
ob_end_clean();
$base64 = 'data:' . 'image/png' . ';base64,' . base64_encode($data);
return $base64;
}
简单测试一下:
<?php
$pic = array(
'http://img104.job1001.com/upload/faceimg/20140305/5176438df39012880af6da07c725d91f_1394001874.jpeg',
'http://img104.job1001.com/upload/faceimg/20131121/90d8df2365743b0830f57ed3090c3311_1385026102.gif',
'http://img104.job1001.com/upload/faceimg/20131121/47e5646b82141486ccd6d490cd1c6670_1385026071.gif',
'http://img104.job1001.com/upload/faceimg/20130820/ec2135080510a11fd163d1ebc487ea84_1376968031.png',
'http://img104.job1001.com/upload/faceimg/20130322/427f52f63193a2ffe2ef8f4e9130c74a_1363919801.jpeg',
'http://img104.job1001.com/upload/faceimg/20130916/65ae25bf4cf82eae8ba26d1f9e67b3ae_1379298441.jpeg',
'http://img104.job1001.com/upload/faceimg/20131126/71c2cff7d0105602513f74568c1967ab_1385448526.gif',
'http://img104.job1001.com/upload/faceimg/20131121/375d6cf0ce7bd3b21a48eb8e6bafa2c8_1385026044.gif',
'http://img104.job1001.com/upload/faceimg/20131121/d5f4380f337f0b0a96592f80f83d20e5_1385026012.gif'
);
echo $src = horJoinPic($pic, 200, 10, false);
exit;
执行上面几行代码,然后把输出的base64内容copy,然后去 http://imgbase64.duoshitong.com/
网站,把base64转回图片就可以看到图片了。