DiverseYouthNightSchool/extend/bw/poster/template/FundraisingCertTpl.php

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<?php
// +----------------------------------------------------------------------
// | Bwsaas
// +----------------------------------------------------------------------
// | Copyright (c) 2015~2020 http://www.buwangyun.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Gitee ( https://gitee.com/buwangyun/bwsaas )
// +----------------------------------------------------------------------
// | Author: buwangyun <hnlg666@163.com>
// +----------------------------------------------------------------------
// | Date: 2020-9-28 10:55:00
// +----------------------------------------------------------------------
namespace bw\poster\template;
use bw\Common;
use bw\poster\GdUtil;
/** 捐款证书绘制工具类
* Class Common
* @package app\bwmall\model
*/
class FundraisingCertTpl extends Base
{
/**绘制图片方法
* @param array $config
* @param string $path
* @param string $fileName
* @return array
* @throws \app\common\exception\UploadException
*/
public function draw($data = [])
{
if($data)$this->setData($data);
$background_image_url = Common::getImagesFullUrl(config("site.fundraising_cert_tpl")); //背景图片
if(!$background_image_url)throw new \Exception("缺少证书模板");
$name = $this->data['name'];//人名
$org_name = $this->data['org_name'];//组织名
$createtime = $this->data['createtime'];//捐款时间
$desc = $this->data['desc'];//描述
$code = $this->data['code'];//捐款代码
//imagecreate系列函数用于从文件或 URL 载入一幅图像,成功返回图像资源,失败则返回一个空字符串。
list($pic_w, $pic_h, $pic_type) = getimagesize($background_image_url);
$background_image = imagecreatefromstring(file_get_contents($background_image_url));//加载背景图
//①创建一块与背景图一样大的画布,填充背景颜色白色
//建立的是一幅大小为 x和 y的黑色图像(默认为黑色)
$background_base = imageCreatetruecolor(imagesx($background_image), imagesy($background_image));//获取图像宽度函数imagesx() 获取图像高度函数imagesy()
$color = imagecolorallocate($background_base, 255, 255, 255);//imagecolorallocate:为一幅图像分配颜色它的返回值将作为填充颜色函数imagefill($img,0,0,$color)的$color参数
imagefill($background_base, 0, 0, $color);//imagefill:改变一幅图像的背景颜色
//②将背景图片同比例嵌入到画布里
imagecopyresampled($background_base, $background_image, 0, 0, 0, 0, imagesx($background_image), imagesy($background_image), imagesx($background_image), imagesy($background_image));
//③插入捐款代码到海报
$with_offset = $pic_w / 2.2; //宽偏移量
$high_offset = $pic_h / 3.25; //高偏移量
$title_with = $pic_w / 2; //字体宽度范围
//字体长度
$font_size = $pic_w / 45;
//使用字体
$temp = array("color" => array(115, 81, 36), "fontsize" => $font_size, "width" => $title_with, "left" => $with_offset, "top" => $high_offset, "hang_size" => 40);
//绘制文字,超出
GdUtil::draw_txt_to($background_base, $temp, $code);
//④插入人名到海报
$with_offset = $pic_w / 2.4; //宽偏移量
$high_offset = $pic_h / 2.2; //高偏移量
$title_with = $pic_w / 3.5; //字体宽度范围
//字体长度
$font_size = $pic_w / 25;
//使用字体
$temp = array("color" => array(115, 81, 36), "fontsize" => $font_size, "width" => $title_with, "left" => $with_offset, "top" => $high_offset, "hang_size" => 120);
//绘制文字,超出
GdUtil::draw_txt_to($background_base, $temp, $name);
//⑤插入描述到海报
$with_offset = $pic_w / 3.8; //宽偏移量
$high_offset = $pic_h / 1.85; //高偏移量
$title_with = $pic_w / 2; //字体宽度范围
//字体长度
$font_size = $pic_w / 35;
//使用字体
$temp = array("color" => array(129, 129, 129), "fontsize" => $font_size, "width" => $title_with, "left" => $with_offset, "top" => $high_offset, "hang_size" => 120);
//绘制文字,超出
GdUtil::draw_txt_to($background_base, $temp, $desc);
//⑥插入组织名到海报
$with_offset = $pic_w / 1.44; //宽偏移量
$high_offset = $pic_h / 1.27; //高偏移量
$title_with = $pic_w / 2; //字体宽度范围
//字体长度
$font_size = $pic_w / 70;
//使用字体
$temp = array("color" => array(129, 129, 129), "fontsize" => $font_size, "width" => $title_with, "left" => $with_offset, "top" => $high_offset, "hang_size" => 120);
//绘制文字,超出
GdUtil::draw_txt_to($background_base, $temp, $org_name);
//⑦插入捐款时间到海报
$with_offset = $pic_w / 1.44; //宽偏移量
$high_offset = $pic_h / 1.23; //高偏移量
$title_with = $pic_w / 2; //字体宽度范围
//字体长度
$font_size = $pic_w / 65;
//使用字体
$temp = array("color" => array(129, 129, 129), "fontsize" => $font_size, "width" => $title_with, "left" => $with_offset, "top" => $high_offset, "hang_size" => 120);
//绘制文字,超出
GdUtil::draw_txt_to($background_base, $temp, $createtime);
//返回自身
return $this->imageStream($background_base);
}
}