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php 生成二维码海报图片,头像圆角

发布时间:2020-09-25作者:小灵龙来源:未知点击:156

问题描述:

     用php生成海报,海报里面有背景图,二维码、头像、昵称。
     头像是圆角的。

解决办法:


  //生成海报
    public function createhaibao(Request $req){

        $newqrcode=new WxMiniProgramController();
        $scene=$req->qr;// pages/active/greeting-card/greeting-card?id=17&isLogin=0
        $nickname=$req->nickname;//昵称
        
        $uuid=$req->uuid;//uuid
        $avatar=$req->avatar;//微信头像
        $scenearr=explode('?', $scene);
       // 将base64字符串转换为图片二维码
        $qrcode=$newqrcode->getzhongqiuqrCode($scenearr[0],$scenearr[1],$siteId='');
        file_put_contents('/api//public/upload/zhongqiuhaibao/'.$uuid.'_qrcode.jpg', base64_decode(str_replace('data:image/jpeg;base64,', '', $qrcode)));

        //把微信头像转存本地 /upload/zhongqiuhaibao/tou1.jpeg
        $tou=$this->download_remote_pic($avatar,'/upload/zhongqiuhaibao',$uuid);

        //把微信头像设置成圆角
        $imgg = $this->radius_img('/api//gtzy_app/public'.$tou, 220);
        imagepng($imgg,'/api//gtzy_app/public/upload/zhongqiuhaibao/'.$uuid.'_tou.jpeg');
        imagedestroy($imgg);
        $config = array(
            'text'=>array(
                array(
                    'text'=>$nickname,//方框??
                    'left'=>200,
                    'top'=>-340,
                    'fontPath'=>'/api/gtzy_app_temp/gtzy_app/public/upload/zhongqiuhaibao/msyh.ttc',     //字体文件
                    'fontSize'=>18,             //字号
                    'fontColor'=>'255,40,20',       //字体颜色
                    'angle'=>0,
                )
            ),
            'image'=>array(
                array(
                    'url'=>'/api/gtzy_app_temp/gtzy_app/public/upload/zhongqiuhaibao/'.$uuid.'_qrcode.jpg',       //二维码图片资源路径
                    'left'=>45,
                    'top'=>-70,
                    'stream'=>0,             //图片资源是否是字符串图像流
                    'right'=>0,
                    'bottom'=>0,
                    'width'=>120,
                    'height'=>120,
                    'opacity'=>100
                ),
                array(
                    'url'=>'/api/gtzy_app_temp/gtzy_app/public/upload/zhongqiuhaibao/'.$uuid.'_tou.jpeg',
                    'left'=>70,
                    'top'=>-260,
                    'right'=>0,
                    'stream'=>0,
                    'bottom'=>0,
                    'width'=>100,
                    'height'=>100,
                    'opacity'=>100
                ),
            ),
            'background'=>'/api/gtzy_app_temp/gtzy_app/public/upload/zhongqiuhaibao/background.jpg',
        );
        $filename = '/api/gtzy_app_temp/gtzy_app/public/upload/zhongqiuhaibao/'.$uuid.'_haibao.jpg';
        //echo createPoster($config,$filename);
        $a=$this->createPoster($config,$filename);

        $refile=substr($filename, 34);
        $httpfile="https://cyx.gtzyc.com".$refile;
        return response()->json(['result' => 1, 'msg' => '生成海报成功','file'=>$httpfile]);

    }
    /**
     * 生成宣传海报图片
     * @param array  参数,包括图片和文字
     * @param string  $filename 生成海报文件名,不传此参数则不生成文件,直接输出图片
     * @return [type] [description]
     */
    public function createPoster($config=array(),$filename=""){
        //如果要看报什么错,可以先注释调这个header
        if(empty($filename)) header("content-type: image/png");
        $imageDefault = array(
            'left'=>0,
            'top'=>0,
            'right'=>0,
            'bottom'=>0,
            'width'=>100,
            'height'=>100,
            'opacity'=>100
        );
        $textDefault = array(
            'text'=>'',
            'left'=>0,
            'top'=>0,
            'fontSize'=>32,       //字号
            'fontColor'=>'255,255,255', //字体颜色
            'angle'=>0,
        );
        $background = $config['background'];//海报最底层得背景
        //背景方法
        $backgroundInfo = getimagesize($background);
        $backgroundFun = 'imagecreatefrom'.image_type_to_extension($backgroundInfo[2], false);
        $background = $backgroundFun($background);
        $backgroundWidth = imagesx($background);  //背景宽度
        $backgroundHeight = imagesy($background);  //背景高度
        $imageRes = imageCreatetruecolor($backgroundWidth,$backgroundHeight);
        $color = imagecolorallocate($imageRes, 0, 0, 0);

        imagefill($imageRes, 0, 0, $color);
        // imageColorTransparent($imageRes, $color);  //颜色透明
        imagecopyresampled($imageRes,$background,0,0,0,0,imagesx($background),imagesy($background),imagesx($background),imagesy($background));

        //处理图片
        if(!empty($config['image'])){
            foreach ($config['image'] as $key => $val) {
                $val = array_merge($imageDefault,$val);

                $info = getimagesize($val['url']);

                $function = 'imagecreatefrom'.image_type_to_extension($info[2], false);

                if($val['stream']){   //如果传的是字符串图像流
                    $info = getimagesizefromstring($val['url']);
                    $function = 'imagecreatefromstring';
                }

                $res = $function($val['url']);
                $resWidth = $info[0];
                $resHeight = $info[1];
                //建立画板 ,缩放图片至指定尺寸
                $canvas=imagecreatetruecolor($val['width'], $val['height']);
                imagefill($canvas, 0, 0, $color);
                //关键函数,参数(目标资源,源,目标资源的开始坐标x,y, 源资源的开始坐标x,y,目标资源的宽高w,h,源资源的宽高w,h)
                imagecopyresampled($canvas, $res, 0, 0, 0, 0, $val['width'], $val['height'],$resWidth,$resHeight);
                $val['left'] = $val['left']<0?$backgroundWidth- abs($val['left']) - $val['width']:$val['left'];
                $val['top'] = $val['top']<0?$backgroundHeight- abs($val['top']) - $val['height']:$val['top'];
                //放置图像
                imagecopymerge($imageRes,$canvas, $val['left'],$val['top'],$val['right'],$val['bottom'],$val['width'],$val['height'],$val['opacity']);//左,上,右,下,宽度,高度,透明度
            }
        }
        //处理文字
        if(!empty($config['text'])){
            foreach ($config['text'] as $key => $val) {
                $val = array_merge($textDefault,$val);
                list($R,$G,$B) = explode(',', $val['fontColor']);
                $fontColor = imagecolorallocate($imageRes, $R, $G, $B);
                $val['left'] = $val['left']<0?$backgroundWidth- abs($val['left']):$val['left'];
                $val['top'] = $val['top']<0?$backgroundHeight- abs($val['top']):$val['top'];
                $nicknames= $this->removeEmojiChar($val['text']);

                imagettftext($imageRes,$val['fontSize'],$val['angle'],$val['left'],$val['top'],$fontColor,$val['fontPath'],$nicknames);
            }
        }
        //生成图片
        if(!empty($filename)){
            $res = imagejpeg ($imageRes,$filename,90); //保存到本地
            imagedestroy($imageRes);
            if(!$res) return false;
            return $filename;
        }else{
            imagejpeg ($imageRes);     //在浏览器上显示
            imagedestroy($imageRes);
        }
    }
    //移除微信表情
    public function removeEmojiChar($str){
        $mbLen = mb_strlen($str);
        
        $strArr = [];
        for ($i = 0; $i < $mbLen; $i++) {
            $mbSubstr = mb_substr($str, $i, 1, 'utf-8');
            if (strlen($mbSubstr) >= 4) {
                continue;
            }
            $strArr[] = $mbSubstr;
        }
        
        return implode('', $strArr);
    }
/* PHP远程下载微信头像存到本地,本地图片转base64
 * $url 微信头像链接
 * $path 要保存图片的目录
 * $userid 用户唯一标识(用这个作为图片文件名,可以节省图片空间)
 */
public function download_remote_pic($url,$path,$userid){
    $header = [
        'User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:45.0) Gecko/20100101 Firefox/45.0',
        'Accept-Language: zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3',
        'Accept-Encoding: gzip, deflate',
    ];
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
    curl_setopt($curl, CURLOPT_ENCODING, 'gzip');
    curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
    if (substr($url, 0, 5) == 'https') {
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); // 跳过证书检查
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);  // 从证书中检查SSL加密算法是否存在
    }
    $data = curl_exec($curl);
    if($error=curl_error($curl)){
        return response()->json(['result' => -1, 'msg' => $error]);

    }
    $code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
    curl_close($curl);
    //把URL格式的图片转成base64_encode格式的!
       $imgBase64Code = "data:image/jpeg;base64," . base64_encode($data);

    $img_content=$imgBase64Code;//图片内容
    if (preg_match('/^(data:\s*image\/(\w+);base64,)/', $img_content, $result)) {
        $type = $result[2];//得到图片类型png jpg gif
        //相对路径
        $relative_path=$path."/";
        //绝对路径($_SERVER['DOCUMENT_ROOT']为网站根目录)
        $absolute_path = $_SERVER['DOCUMENT_ROOT'].$relative_path;
        if(!file_exists($absolute_path)){
            //检查是否有该文件夹,如果没有就创建,并给予最高权限
            mkdir($absolute_path, 0700);
        }
        //文件名
        $filename=$userid.".{$type}";
        $new_file = $absolute_path.$filename;
         if (file_put_contents($new_file, base64_decode(str_replace($result[1], '', $img_content)))) {
            return $relative_path.$filename;
        }else{
            return false;
        }
    }else{
        return false;
    }
}
     /**
     * 处理成圆图片,如果图片不是正方形就取最小边的圆半径,从左边开始剪切成圆形
     * @param  string $imgpath [description]
     * @return [type]          [description]
     */
    public function radius_img($imgpath) {
        $ext     = pathinfo($imgpath);
        $src_img = null;
        switch ($ext['extension']) {
        case 'jpg':
            $src_img = imagecreatefromjpeg($imgpath);
            break;
        case 'jpeg':
            $src_img = imagecreatefromjpeg($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
        $bg = imagecolorallocate($img, 255, 255, 255);
        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);
                }
            }
        }
        return $img;
    }


<?php

namespace App\Http\Controllers\Admin;
use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Redis;
use DB;
use Log;
use App\Http\Controllers\Admin\Common;
class WxMiniProgramController extends Controller
{
    /**
     * [getzhongqiuqrCode 生成加油小程序二维码]中秋
     * @param  Request $req [description]
     * @return [type]       [description]
     */
       public function getzhongqiuqrCode($page,$scene,$siteId=''){

       
        // 加油小程序appid
           $appid=config('wechat.app_id');
           $secret=config('wechat.secret');
           $imgcode=$this->createMiniCodes($appid,$secret,$page,$scene,$siteId);

           // log::info($imgcode);
           return $imgcode;  
       }
       //生成加油微信小程序二维码,用户扫码登录小程序
       public function createMiniCodes($appid, $secret, $page,$scene,$siteId){
           $token=$this->getAccessToken($appid,$secret);

           $url="https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=".$token;
           $content='{"scene":"'.$scene.'","page":"'.$page.'"}';
        // 31_XPkKfdw8JcOv-Y2sPze1eL5cbRYZajWWaL5PfdCySprCJX1CLehtb0oVt9IZFEKksMKAPG4f4FPqn3sIJC85d0O5Xvg00tAx7oD_2zKTTV3d3ebbW_GKsXC2xETPeLgT1hFxH2iWZvbUMFWSZKNeAJANYB
        $headerArray =array("Content-type:application/json;","Accept:application/json");
        $ch = curl_init();
        if (substr($url, 0, 5) == 'https') {
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // 跳过证书检查
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);  // 从证书中检查SSL加密算法是否存在
        }
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_HTTPHEADER,$headerArray);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $content);
        $response = curl_exec($ch); //返回数据
    
        if ($error = curl_error($ch)) {
            die($error);
        }
        curl_close($ch);

           return "data:image/jpeg;base64," . base64_encode($response);
       }
       /**
     * [getJiayouqrCode 生成加油小程序二维码]
     * @param  Request $req [description]
     * @return [type]       [description]
     */
       public function getJiayouqrCode(Request $req){

           $siteId = $req->siteId;

        // 加油小程序appid
           $appid=config('wechat.app_id');
           $secret=config('wechat.secret');

           $imgcode=$this->createMiniCode($appid,$secret,$siteId);

           // log::info($imgcode);
           return response()->json(['result'=>1,'img'=>$imgcode]);  
       }

    //生成加油微信小程序二维码,用户扫码登录小程序
       public function createMiniCode($appid, $secret, $siteId){
           $token=$this->getAccessToken($appid,$secret);


           $url="https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=".$token;
           $content='{"scene":"/pages/oil/index&id='.$siteId.'","page":"pages/interim/interim"}';
 
        // 31_XPkKfdw8JcOv-Y2sPze1eL5cbRYZajWWaL5PfdCySprCJX1CLehtb0oVt9IZFEKksMKAPG4f4FPqn3sIJC85d0O5Xvg00tAx7oD_2zKTTV3d3ebbW_GKsXC2xETPeLgT1hFxH2iWZvbUMFWSZKNeAJANYB
        $headerArray =array("Content-type:application/json;","Accept:application/json");
        $ch = curl_init();
        if (substr($url, 0, 5) == 'https') {
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // 跳过证书检查
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);  // 从证书中检查SSL加密算法是否存在
        }
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_HTTPHEADER,$headerArray);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $content);
        $response = curl_exec($ch); //返回数据
    
        if ($error = curl_error($ch)) {
            die($error);
        }
        curl_close($ch);

           return "data:image/jpeg;base64," . base64_encode($response);
       }
       //生成加油微信小程序token
       public function getAccessToken($appid,$secret){
           $url = 'https://api.qq.com/cgi-bin/token?grant_type=client_credential&appid='.$appid.'&secret='.$secret;//请求地址
        
        
        $ch = curl_init();
        if(substr($url,0,5)=='https'){
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // 跳过证书检查
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);  // 从证书中检查SSL加密算法是否存在
        }
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_URL, $url);
        $response = curl_exec($ch);
        if($error=curl_error($ch)){
            die($error);
        }
        curl_close($ch);
        $json=json_decode($response,true);
        return $json['access_token'];
       }

        
}


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