<?php
/**
 * Created by Vim
 * User: lcc
 * Date: 2021/07/12
 * Time: 16:49
 */

defined('BASEPATH') OR exit('No direct script access allowed');

require_once COMMPATH.'/third_party/TCPDF/tcpdf.php';

class Pdf {

    //private $pdf2img_url = 'http://pti.haodian.cn/jar/pdf2img/index';
    private $pdf2img_url = 'http://pti.haodian.cn/jar/pdf2img/index';
    public function __construct($isdev=''){
        if (false !== strpos($_SERVER['HTTP_HOST'], 'dev') || $isdev) {//dev
            $this->pdf2img_url = 'https://liche-api-dev.xiaoyu.com/jar/pdf2img';
        }
    }
    
    /**
     * html转pdf
     * @param $html_url string   网页地址
     * @param $path     string   保存文件路径
     * @param $filename string   保存文件名
     */
    public function html2pdf($html_url,$path,$filename){
        if (!file_exists($path)){
            $oldumask = umask(0);
            mkdir($path, 0777, true);
            umask($oldumask);
        }
        $arrContextOptions=array(
            "ssl"=>array(
                "verify_peer"=>false,
                "verify_peer_name"=>false,
            ),
        );
        $html = file_get_contents($html_url,false,stream_context_create($arrContextOptions));
        $pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT,true, 'UTF-8', false);
        $pdf->SetCreator(PDF_CREATOR);
        $pdf->SetAuthor("liche");

        $pdf->setPrintHeader(false);
        $pdf->setPrintFooter(false);
        $pdf->SetDefaultMonospacedFont(PDF_FONT_MONOSPACED);
        $pdf->setCellHeightRatio(1.1); //设置行高

        $pdf->SetMargins(PDF_MARGIN_LEFT, 5,PDF_MARGIN_RIGHT);
        $pdf->SetHeaderMargin(PDF_MARGIN_HEADER);
        $pdf->SetFooterMargin(PDF_MARGIN_FOOTER);

        $pdf->SetAutoPageBreak(TRUE, PDF_MARGIN_BOTTOM);
        $pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);
        $pdf->SetFont('simsun', '', 10); //设置中文显示
        $pdf->AddPage();
        $pdf->writeHTML($html, true, false, true, false, '');
        $save = $path.'/'.$filename;
        $pdf->Output($save,'F');
        if(file_exists($save)){
            return true;
        }else{
            return false;
        }
    }

    /*
     * 图片转pdf
     * @param $pdf_url staring  pdf文件url地址
     * @return $result array()  返回图片数组 ['','']
     */
    public function pdf2img($pdf_url){
        $ci = & get_instance(); 
        $ci->load->library('mycurl');
        $url = $this->pdf2img_url.'?furl='.$pdf_url;
        $result = $ci->mycurl->httpGet($url);
        $result = json_decode($result,true);
        return $result['data'] ? $result['data'] : false;        
    }
}