config-service/app/Repositories/PosterRepository.php

<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2019/6/20
 * Time: 16:50
 */
namespace App\Repositories;

use App\Traits\CommunityTrait;
use Illuminate\Support\Facades\Redis;
use Intervention\Image\Facades\Image;
use Intervention\Image\ImageManagerStatic;
use Illuminate\Support\Facades\Storage;
use SimpleSoftwareIO\QrCode\Facades\QrCode;

class PosterRepository
{
    use CommunityTrait;
    public  $main;

    public function __construct($mainImg)
    {
        if (extension_loaded('imagick')) {
            ImageManagerStatic::configure(['driver'=>'imagick']);
        }
    }

    /**
     * 分享帖子生成海报
     */
    public function post($mainImg,$userInfo,$id,$key)
    {
        $main = ImageManagerStatic::make($mainImg);
        $postDetail = $this->getPostDetail($id);
        if(!$postDetail){
            return jsonError('获取内容信息失败');
        }

        // 设置头像
        if(!$userInfo['avatar']){
            $userInfo['avatar'] = 'https://wx.qlogo.cn/mmopen/vi_32/DYAIOgq83ep3asJn8emiat1MnPdviaPNroWY3f65y5ezkTAk2qtibv7ea9Ht9R2ahxr9bicY1DIj5vN5FibpDOwXegg/132';
        }

        if(!$userInfo['username']){
            $userInfo['username'] = '';
        }
        //内容图片
        $postImg = ImageManagerStatic::make($postDetail['img'].'!poster_app')->fit(750, 962);
        $main->insert($postImg, 'left-top', 0, 0);

        //遮罩
        $mask = ImageManagerStatic::make(public_path('/image/post/mask.png'))->fit(750, 962);
        $main->insert($mask, 'left-top', 0, 0);

        //logo
        $mask = ImageManagerStatic::make(public_path('/image/post/logo.png'))->fit(145, 38);
        $main->insert($mask, 'left-top', 55, 60);

        //话题
        if(isset($postDetail['topic'][0]['name'])){
            $main->text('#'.$postDetail['topic'][0]['name'].'#', 55, 240, function ($font) {
                $font->file(public_path('font/PingFang Regular.ttf'));
                $font->size(26);
                $font->color('#FFFFFF');
                $font->align('left');
            });
        }

        //标题或内容
        if($postDetail['title']){
            $title = $postDetail['title'];
        }else{
            $title = $postDetail['content'];
            if($postDetail['type'] == 'html'){
                $title = strip_tags($postDetail['content']);
            }
        }
        $title = subtext($title, 34);
        if(mb_strlen($title, 'utf8') > 17){
            $title = mb_substr($title, 0, 17, 'utf8')."\n".mb_substr($title, 17, -1, 'utf8').' ...';
            $height = 380;
        }else{
            $height = 350;
        }
        $main->text($title, 55, $height, function ($font) {
            $font->file(public_path('font/PingFang Medium.ttf'));
            $font->size(36);
            $font->color('#FFFFFF');
            $font->align('left');
        });

        // ——
        $main->text('——', 55, 456, function ($font) {
            $font->file(public_path('font/PingFang Regular.ttf'));
            $font->size(20);
            $font->color('#FFFFFF');
            $font->align('left');
        });

        // 用户名称
        $main->text($userInfo['username'], 155, 470, function ($font) {
            $font->file(public_path('font/PingFang Regular.ttf'));
            $font->size(24);
            $font->color('#FFFFFF');
            $font->align('left');
        });
        // 用户头像
        if($userInfo['avatar']){
            $avatar = Image::make($userInfo['avatar'])->resize(42,42);
            $new= Image::canvas(750, 1334);
            $r=$avatar->width() /2;
            for($x=0;$x<$avatar->width();$x++) {

                for($y=0;$y<$avatar->height();$y++) {

                    $c=$avatar->pickColor($x,$y,'array');

                    if(((($x-$r) * ($x-$r) + ($y-$r) * ($y-$r)) < ($r*$r))) {
                        $new->pixel($c,$x,$y);
                    }

                }
            }

            $main->insert($new, 'top-left', 105, 436);
        }

        $qrcode = Image::make(QrCode::format('png')->generate('https://www.jianshu.com/p/1c78294f26f8'));

        $qrcode->resize(164,164);

        $main->insert($qrcode,'top-left', 63, 1087);

        // 存储图片
        $filename = date('Ym').'/'.time() . '_' . uniqid() . '.jpg';
        Storage::put($filename, (string)$main->encode('jpg'));
        $url = 'http://oss.caihongxingqiu.net/'.$filename;
        Redis::set($key, $url);
        Redis::expire($key, 3600 * 24 * 3);

        return jsonSuccess($url);
    }
}