Tp5生成带头像二维码海报（带文字描述，居中调整）
三张海报中随机生成一张展现
/**
* 获取随机海报
* Author: yanjie <823986855@qq.com>
* Date: 2018/9/12 0012
*/
public function getPoster()
{
$id=input('ids')? input('ids') : '';
$nickname = session('user.names');//微信昵称
if(session('user_dossier.cur_job')==''){
$curjob ='--';
}else{
$curjob = msubstr(session('user_dossier.cur_job')."·".session('user_dossier.cur_corp'),0,22);//职位
}
$invurl = cmf_get_domain() . cmf_url('wx/register/index') . "?invcode=".cmf_get_current_user_id(); //邀请链接
$erweimaurl=PLUGINS_PATH.'..'.$this->QRcode($invurl); //生成二维码
$url=session('user.avatar');
if(preg_match('/^http(s)?:\\/\\/.+/',$url))
{
$logo = session('user.avatar');//微信头像
}else
{
$logo = PLUGINS_PATH.'../upload/'.session('user.avatar');//微信头像
if(!is_file($logo)){
$logo = '/public/assets/images/people.png';//微信头像
}
}
$logo=$this->resize_img($logo);
$logo=$this->yuan_img($logo);
if($id==''){
$choose=rand(1,3);
}elseif($id==1){
$choose=2;
}elseif($id==2){
$choose=3;
}elseif($id==3){
$choose=1;
}
if($choose==1){
$name=[
'name'=>$nickname, //名字
'size'=>'14', //大小磅
'namey'=>'139' //y轴坐标
];
$job=[
'name'=>$curjob, //名字
'size'=>'10', //大小磅
'joby'=>'166' //y轴坐标
];
$logourl=[
'url'=>$logo, //名字
'logox'=>'161', //x轴坐标
'logoy'=>'34', //y轴坐标
'width'=>'76', //宽
'height'=>'76', //高
];
$qrcodeurl=[
'url'=>$erweimaurl, //名字
'qrx'=>'150', //x轴坐标
'qry'=>'406', //y轴坐标
'width'=>'99', //宽
'height'=>'99', //高
];
$beijing = '/public/assets/images/poster1.png';//海报最底层得背景
}elseif($choose==2){
$name=[
'name'=>$nickname, //名字
'size'=>'14', //大小磅
'namey'=>'335' //y轴坐标
];
$job=[
'name'=>$curjob, //名字
'size'=>'10', //大小磅
'joby'=>'362' //y轴坐标
];
$logourl=[
'url'=>$logo, //名字
'logox'=>'161', //x轴坐标
'logoy'=>'230', //y轴坐标
'width'=>'76', //宽
'height'=>'76', //高
];
$qrcodeurl=[
'url'=>$erweimaurl, //名字
'qrx'=>'150', //x轴坐标
'qry'=>'434', //y轴坐标
'width'=>'99', //宽
'height'=>'99', //高
];
$beijing = '/public/assets/images/poster2.png';//海报最底层得背景
}else{
$name=[
'name'=>$nickname, //名字
'size'=>'14', //大小磅
'namey'=>'391' //y轴坐标
];
$job=[
'name'=>$curjob, //名字
'size'=>'10', //大小磅
'joby'=>'418' //y轴坐标
];
$logourl=[
'url'=>$logo, //名字
'logox'=>'161', //x轴坐标
'logoy'=>'285', //y轴坐标
'width'=>'76', //宽
'height'=>'76', //高
];
$qrcodeurl=[
'url'=>$erweimaurl, //名字
'qrx'=>'290', //x轴坐标
'qry'=>'459', //y轴坐标
'width'=>'99', //宽
'height'=>'99', //高
];
$beijing = '/public/assets/images/poster3.png';//海报最底层得背景
}
$url=$this->poster($name,$job,$logourl,$qrcodeurl,$beijing);
return ['code'=>1,'ids'=>$choose,'url'=>$url];
}
/**
* 合成海报
* Author: yanjie <823986855@qq.com>
* Date: 2018/9/12 0012
*/
public function poster($name,$job,$logourl,$qrcodeurl,$beijing)
{
// header("content-type: image/png");//如果要看报什么错，可以先注释调这个header
$beijing = imagecreatefrompng($beijing);
$avator = imagecreatefrompng($logourl['url']);
$erweimaurl = imagecreatefrompng($qrcodeurl['url']);
$image_3 = imageCreatetruecolor(imagesx($beijing),imagesy($beijing));
$color = imagecolorallocate($image_3, 255, 255, 255);
imagefill($image_3, 0, 0, $color);
// imageColorTransparent($image_3, $color); //透明
imagecopyresampled($image_3,$beijing,0,0,0,0,imagesx($beijing),imagesy($beijing),imagesx($beijing), imagesy($beijing));
//字体颜色
$white = imagecolorallocate($image_3, 111, 255, 255);
$rqys = imagecolorallocate($image_3, 51, 51, 51); //#333333
$black = imagecolorallocate($image_3,0,0,0);
$font = PLUGINS_PATH."../public/assets/font/msyh.ttf"; //写的文字用到的字体。字体最好用系统有得
// imagettftext设置生成图片的文本
//名称显示
$nameBox=imagettfbbox(14, 0, $font, $name['name']); //磅
$namewith=abs($nameBox[2]-$nameBox[0]);
$namex=abs((imagesx($beijing)-$namewith)/2);
//职位居中显示
$fontBox=imagettfbbox(10, 0, $font, $job['name']); //磅
$fontwith=abs($fontBox[2]-$fontBox[0]);
$jobx=abs((imagesx($beijing)-$fontwith)/2);
imagettftext($image_3,$name['size'],0,$namex,$name['namey'],$rqys,$font,$name['name']); //磅
imagettftext($image_3,$job['size'],0,$jobx,$job['joby'],$rqys,$font,$job['name']);
imagecopymerge($image_3,$avator, $logourl['logox'],$logourl['logoy'],0,0,$logourl['width'],$logourl['height'],100);//左，上，右，下，宽度，高度，透明度
imagecopymerge($image_3,$erweimaurl, $qrcodeurl['qrx'],$qrcodeurl['qry'],0,0,$qrcodeurl['width'],$qrcodeurl['height'], 100);
//生成图片
//imagepng($image_3);//在浏览器上显示
clearstatcache(); //清除缓存is_file
$fileurl="./upload/posters/100000".session('user.id').".png";
$showurl="/upload/posters/100000".session('user.id').".png";
imagepng($image_3,$fileurl);//保存到本地
imagedestroy($image_3);
return $showurl;
}
//二维码生成
public function QRcode($data) {
$url = urldecode($data);
$fileurl="./upload/posters/100000".session('user.id')."qr.png";
$showurl="/upload/posters/100000".session('user.id')."qr.png";
QRcode::png($url, $fileurl, 3, 2.2);
return $showurl;
}
/**
* 缩放图片
* Author: yanjie <823986855@qq.com>
* Date: 2018/9/12 0012
*/
public function resize_img($url){
$file = $url;
$ext = pathinfo($url);
$src_im = null;
list($width, $height) = getimagesize($file); //获取原图尺寸
$percent = (76/$width); //缩放尺寸 76px
$newwidth = $width * $percent;
$newheight = $height * $percent;
switch ($ext['extension']) {
case 'jpg':
$src_im = imagecreatefromjpeg($file);
break;
case 'png':
$src_im = imagecreatefrompng($file);
break;
}
$dst_im = imagecreatetruecolor($newwidth, $newheight);
imagecopyresized($dst_im, $src_im, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);
$fileurl="./upload/posters/100000".session('user.id')."avator.png";
imagepng($dst_im, $fileurl); //输出压缩后的图片
imagedestroy($dst_im);
imagedestroy($src_im);
return $fileurl;
}
/**
* 图片裁剪为圆形图片
* Author: yanjie <823986855@qq.com>
* Date: 2018/9/12 0012
*/
public function yuan_img($imgpath){
$ext = pathinfo($imgpath);
$src_img = null;
switch ($ext['extension']) {
case 'jpg':
$src_img = imagecreatefromjpeg($imgpath);
break;
case 'png':
$src_img = imagecreatefrompng($imgpath);
break;
}
$wh = getimagesize($imgpath);
$w = $wh[0];
$h = $wh[1];
$w = min($w, $h);
$h = $w;
$img = imagecreatetruecolor($w, $h);
//这一句一定要有
imagesavealpha($img, true);
//拾取一个完全透明的颜色,最后一个参数127为全透明
$bg = imagecolorallocatealpha($img, 255, 255, 255, 127);
imagefill($img, 0, 0, $bg);
$r = $w / 2; //圆半径
$y_x = $r; //圆心X坐标
$y_y = $r; //圆心Y坐标
for ($x = 0; $x < $w; $x++) {
for ($y = 0; $y < $h; $y++) {
$rgbColor = imagecolorat($src_img, $x, $y);
if (((($x - $r) * ($x - $r) + ($y - $r) * ($y - $r)) < ($r * $r))) {
imagesetpixel($img, $x, $y, $rgbColor);
}
}
}
$fileurl="./upload/posters/100000".session('user.id')."avator.png";
imagepng($img,$fileurl);
imagedestroy($img);
return $fileurl;
}
```
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