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323 lines
9.8 KiB
323 lines
9.8 KiB
<?php
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// +----------------------------------------------------------------------
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// | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2016~2020 https://www.crmeb.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
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// +----------------------------------------------------------------------
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// | Author: CRMEB Team <admin@crmeb.com>
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// +----------------------------------------------------------------------
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namespace crmeb\utils;
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/**
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* Class Canvas
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* @package crmeb\utils
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* @method $this setFileName(string $fileName) 设置文件名
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* @method $this setPath(string $path) 设置存放路径
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* @method $this setImageType(string $imageType) 设置图片类型
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* @method $this setBackgroundHeight(int $backgroundHeight) 设置背景高
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* @method $this setBackgroundWidth(int $backgroundWidth) 设置背景宽
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* @method $this setFontSize(int $fontSize) 设置字体大小
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* @method $this setFontColor($fontColor) 设置字体颜色
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* @method $this setFontLeft(int $fontLeft) 设置字体距离左侧位置
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* @method $this setFontTop(int $fontTop) 设置字体距离顶部位置
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* @method $this setFontText(string $fontText) 设置文字
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* @method $this setFontPath(string $fontPath) 设置字体文件路径
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* @method $this setFontAngle(int $fontAngle) 设置字体角度
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* @method $this setImageUrl(string $imageUrl) 设置图片路径
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* @method $this setImageLeft(int $imageLeft) 设置图片距离左侧位置
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* @method $this setImageTop(int $imageTop) 设置图片距离顶部位置
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* @method $this setImageRight(int $imageRight) 设置图片距离左侧位置
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* @method $this setImageStream(bool $imageStream) 设置图片是否未流文件
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* @method $this setImageBottom(int $imageBottom) 设置图片距离底部位置
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* @method $this setImageWidth(int $imageWidth) 设置图片宽
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* @method $this setImageHeight(int $imageHeight) 设置图片高
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* @method $this setImageOpacity(int $imageOpacity) 设置图片透明度
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*/
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class Canvas
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{
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const FONT = 'statics/font/Alibaba-PuHuiTi-Regular.otf';
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/**
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* 背景宽
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* @var int
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*/
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protected $backgroundWidth = 600;
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/**
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* 背景高
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* @var int
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*/
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protected $backgroundHeight = 1000;
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/**
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* 图片类型
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* @var string
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*/
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protected $imageType = 'jpeg';
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/**
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* 保存地址
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* @var string
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*/
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protected $path = 'uploads/routine/';
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/**
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* 文件名
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* @var string
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*/
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protected $fileName;
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/**
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* 规则
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* @var array
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*/
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protected $propsRule = ['fileName', 'path', 'imageType', 'backgroundHeight', 'backgroundWidth'];
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/**
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* 字体数据集
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* @var array
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*/
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protected $fontValue = [];
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/**
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* 字体默认可设置vlaue
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* @var array
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*/
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protected $defaultFontValue = [
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'fontSize' => 0,
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'fontColor' => '231,180,52',
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'fontLeft' => 0,
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'fontTop' => 0,
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'fontText' => '',
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'fontPath' => self::FONT,
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'fontAngle' => 0,
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];
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protected $defaultFont;
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/**
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* 图片数据集
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* @var array
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*/
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protected $imageValue = [];
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/**
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* 图片可设置属性
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* @var array
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*/
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protected $defaultImageValue = [
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'imageUrl' => '',
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'imageLeft' => 0,
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'imageTop' => 0,
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'imageRight' => 0,
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'imageBottom' => 0,
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'imageWidth' => 0,
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'imageHeight' => 0,
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'imageOpacity' => 0,
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'imageStream' => false,
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];
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/**
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* 实例化本身
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* @var self
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*/
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protected static $instance;
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protected $defaultImage;
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protected function __construct()
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{
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$this->defaultImage = $this->defaultImageValue;
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$this->defaultFont = $this->defaultFontValue;
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}
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/**
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* 实例化本类
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* @return Canvas
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*/
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public static function instance()
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{
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if (is_null(self::$instance)) {
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self::$instance = new self();
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}
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return self::$instance;
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}
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/**
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* 创建一个新图象
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* @param string $file
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* @return array
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*/
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public function createFrom(string $file): array
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{
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$file = str_replace('https', 'http', $file);
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$imagesize = getimagesize($file);
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$type = image_type_to_extension($imagesize[2], true);
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switch ($type) {
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case '.png':
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$canvas = imagecreatefrompng($file);
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break;
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case '.jpg':
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case '.jpeg':
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$canvas = imagecreatefromjpeg($file);
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break;
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case '.gif':
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$canvas = imagecreatefromgif($file);
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break;
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}
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return [$canvas, $imagesize];
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}
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/**
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* 放入字体
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* @return $this
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*/
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public function pushFontValue()
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{
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array_push($this->fontValue, $this->defaultFontValue);
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$this->defaultFontValue = $this->defaultFont;
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return $this;
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}
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/**
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* 放入图片
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* @return $this
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*/
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public function pushImageValue()
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{
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array_push($this->imageValue, $this->defaultImageValue);
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$this->defaultImageValue = $this->defaultImage;
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return $this;
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}
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/**
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* 创建背景
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* @param int $w
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* @param int $h
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* @return false|resource
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*/
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public function createTrueColor(int $w = 0, int $h = 0)
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{
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return imagecreatetruecolor($w ? $w : $this->backgroundWidth, $h ? $h : $this->backgroundHeight);
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}
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/**
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* 开始画图
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* @param bool $force 生成错误时是否抛出异常
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* @return string
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* @throws \Exception
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*/
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public function starDrawChart(bool $force = false): string
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{
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try {
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$image = $this->createTrueColor();
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foreach ($this->imageValue as $item) {
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if ($item['imageUrl']) {
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if ($item['imageStream']) {
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$res = getimagesizefromstring($item['imageUrl']);
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$mer = imagecreatefromstring($item['imageUrl']);
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} else {
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[$mer, $res] = $this->createFrom($item['imageUrl']);
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}
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if ($mer && $res) {
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$scrW = $res[0] ?? 0;
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$scrH = $res[1] ?? 0;
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$imageWidth = $item['imageWidth'] ?: $scrW;
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$imageHeight = $item['imageHeight'] ?: $scrH;
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imagecopyresampled($image, $mer, $item['imageLeft'], $item['imageTop'], $item['imageRight'], $item['imageBottom'], $imageWidth, $imageHeight, $scrW, $scrH);
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unset($scrW, $scrH, $imageWidth, $imageHeight, $res, $mer);
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}
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}
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}
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foreach ($this->fontValue as $val) {
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if (!is_array($val['fontColor']))
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$fontColor = explode(',', $val['fontColor']);
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else
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$fontColor = $val['fontColor'];
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if (count($fontColor) < 3)
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throw new \RuntimeException('fontColor Separation of thousand bits');
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[$r, $g, $b] = $fontColor;
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$fontColor = imagecolorallocate($image, $r, $g, $b);
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$val['fontLeft'] = $val['fontLeft'] < 0 ? $this->backgroundWidth - abs($val['fontLeft']) : $val['fontLeft'];
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$val['fontTop'] = $val['fontTop'] < 0 ? $this->backgroundHeight - abs($val['fontTop']) : $val['fontTop'];
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imagettftext($image, $val['fontSize'], $val['fontAngle'], $val['fontLeft'], $val['fontTop'], $fontColor, $val['fontPath'], $val['fontText']);
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unset($r, $g, $b, $fontColor);
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}
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if (is_null($this->fileName)) {
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$this->fileName = md5(time());
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}
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$strlen = stripos($this->path, 'uploads');
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$path = $this->path;
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if ($strlen !== false) {
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$path = substr($this->path, 8);
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}
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make_path($path, 4, true);
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$save_file = $this->path . $this->fileName . '.' . $this->imageType;
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switch ($this->imageType) {
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case 'jpeg':
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case 'jpg':
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imagejpeg($image, public_path() . $save_file, 70);
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break;
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case 'png':
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imagepng($image, public_path() . $save_file, 70);
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break;
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case 'gif':
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imagegif($image, public_path() . $save_file, 70);
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break;
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default:
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throw new \RuntimeException('Incorrect type set:' . $this->imageType);
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}
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imagedestroy($image);
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return $save_file;
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} catch (\Throwable $e) {
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if ($force || $e instanceof \RuntimeException)
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throw new \Exception($e->getMessage());
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return '';
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}
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}
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/**
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* Magic access..
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*
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* @param $method
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* @param $args
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* @return $this
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*/
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public function __call($method, $args): self
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{
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if (0 === stripos($method, 'set') && strlen($method) > 3) {
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$method = lcfirst(substr($method, 3));
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}
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$imageValueKes = array_keys($this->defaultImageValue);
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$fontValueKes = array_keys($this->defaultFontValue);
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if (in_array($method, $imageValueKes)) {
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$this->defaultImageValue[$method] = array_shift($args);
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}
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if (in_array($method, $fontValueKes)) {
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$this->defaultFontValue[$method] = array_shift($args);
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}
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if (in_array($method, $this->propsRule)) {
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$this->{$method} = array_shift($args);
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}
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return $this;
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}
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}
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