2025-03-12 10:47:34 +08:00

328 lines
9.9 KiB
PHP
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<?php
// +----------------------------------------------------------------------
// | CRMEB [ CRMEB赋能开发者助力企业发展 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2016~2023 https://www.crmeb.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed CRMEB并不是自由软件未经许可不能去掉CRMEB相关版权
// +----------------------------------------------------------------------
// | Author: CRMEB Team <admin@crmeb.com>
// +----------------------------------------------------------------------
namespace crmeb\utils;
/**
* Class Canvas
* @package crmeb\utils
* @method $this setFileName(string $fileName) 设置文件名
* @method $this setPath(string $path) 设置存放路径
* @method $this setImageType(string $imageType) 设置图片类型
* @method $this setBackgroundHeight(int $backgroundHeight) 设置背景高
* @method $this setBackgroundWidth(int $backgroundWidth) 设置背景宽
* @method $this setFontSize(int $fontSize) 设置字体大小
* @method $this setFontColor($fontColor) 设置字体颜色
* @method $this setFontLeft(int $fontLeft) 设置字体距离左侧位置
* @method $this setFontTop(int $fontTop) 设置字体距离顶部位置
* @method $this setFontText(string $fontText) 设置文字
* @method $this setFontPath(string $fontPath) 设置字体文件路径
* @method $this setFontAngle(int $fontAngle) 设置字体角度
* @method $this setImageUrl(string $imageUrl) 设置图片路径
* @method $this setImageLeft(int $imageLeft) 设置图片距离左侧位置
* @method $this setImageTop(int $imageTop) 设置图片距离顶部位置
* @method $this setImageRight(int $imageRight) 设置图片距离左侧位置
* @method $this setImageStream(bool $imageStream) 设置图片是否未流文件
* @method $this setImageBottom(int $imageBottom) 设置图片距离底部位置
* @method $this setImageWidth(int $imageWidth) 设置图片宽
* @method $this setImageHeight(int $imageHeight) 设置图片高
* @method $this setImageOpacity(int $imageOpacity) 设置图片透明度
*/
class Canvas
{
const FONT = 'statics/font/Alibaba-PuHuiTi-Regular.otf';
/**
* 背景宽
* @var int
*/
protected $backgroundWidth = 600;
/**
* 背景高
* @var int
*/
protected $backgroundHeight = 1000;
/**
* 图片类型
* @var string
*/
protected $imageType = 'jpeg';
/**
* 保存地址
* @var string
*/
protected $path = 'uploads/routine/';
/**
* 文件名
* @var string
*/
protected $fileName;
/**
* 规则
* @var array
*/
protected $propsRule = ['fileName', 'path', 'imageType', 'backgroundHeight', 'backgroundWidth'];
/**
* 字体数据集
* @var array
*/
protected $fontValue = [];
/**
* 字体默认可设置vlaue
* @var array
*/
protected $defaultFontValue = [
'fontSize' => 0,
'fontColor' => '231,180,52',
'fontLeft' => 0,
'fontTop' => 0,
'fontText' => '',
'fontPath' => self::FONT,
'fontAngle' => 0,
];
protected $defaultFont;
/**
* 图片数据集
* @var array
*/
protected $imageValue = [];
/**
* 图片可设置属性
* @var array
*/
protected $defaultImageValue = [
'imageUrl' => '',
'imageLeft' => 0,
'imageTop' => 0,
'imageRight' => 0,
'imageBottom' => 0,
'imageWidth' => 0,
'imageHeight' => 0,
'imageOpacity' => 0,
'imageStream' => false,
];
/**
* 实例化本身
* @var self
*/
protected static $instance;
protected $defaultImage;
protected function __construct()
{
$this->defaultImage = $this->defaultImageValue;
$this->defaultFont = $this->defaultFontValue;
}
/**
* 实例化本类
* @return Canvas
*/
public static function instance()
{
if (is_null(self::$instance)) {
self::$instance = new self();
}
return self::$instance;
}
/**
* 创建一个新图象
* @param string $file
* @return array
*/
public function createFrom(string $file): array
{
$file = str_replace('https', 'http', $file);
$imagesize = getimagesize($file);
$type = image_type_to_extension($imagesize[2], true);
$canvas = NULL;
switch ($type) {
case '.png':
$canvas = imagecreatefrompng($file);
break;
case '.jpg':
case '.jpeg':
$canvas = imagecreatefromjpeg($file);
break;
case '.gif':
$canvas = imagecreatefromgif($file);
break;
}
return [$canvas, $imagesize];
}
/**
* 放入字体
* @return $this
*/
public function pushFontValue()
{
array_push($this->fontValue, $this->defaultFontValue);
$this->defaultFontValue = $this->defaultFont;
return $this;
}
/**
* 放入图片
* @return $this
*/
public function pushImageValue()
{
array_push($this->imageValue, $this->defaultImageValue);
$this->defaultImageValue = $this->defaultImage;
return $this;
}
/**
* 创建背景
* @param int $w
* @param int $h
* @return false|resource
*/
public function createTrueColor(int $w = 0, int $h = 0)
{
return imagecreatetruecolor($w ?: $this->backgroundWidth, $h ?: $this->backgroundHeight);
}
/**
* 开始画图
* @param bool $force 生成错误时是否抛出异常
* @return string
* @throws \Exception
*/
public function starDrawChart(bool $force = false): string
{
try {
$image = $this->createTrueColor();
foreach ($this->imageValue as $item) {
if ($item['imageUrl']) {
if ($item['imageStream']) {
$res = getimagesizefromstring($item['imageUrl']);
$mer = imagecreatefromstring($item['imageUrl']);
} else {
[$mer, $res] = $this->createFrom($item['imageUrl']);
}
if ($mer && $res) {
$scrW = $res[0] ?? 0;
$scrH = $res[1] ?? 0;
$imageWidth = $item['imageWidth'] ?: $scrW;
$imageHeight = $item['imageHeight'] ?: $scrH;
imagecopyresampled($image, $mer, $item['imageLeft'], $item['imageTop'], $item['imageRight'], $item['imageBottom'], $imageWidth, $imageHeight, $scrW, $scrH);
unset($scrW, $scrH, $imageWidth, $imageHeight, $res, $mer);
}
}
}
foreach ($this->fontValue as $val) {
if (!is_array($val['fontColor']))
$fontColor = explode(',', $val['fontColor']);
else
$fontColor = $val['fontColor'];
if (count($fontColor) < 3)
throw new \RuntimeException('fontColor Separation of thousand bits');
[$r, $g, $b] = $fontColor;
$fontColor = imagecolorallocate($image, $r, $g, $b);
$val['fontLeft'] = $val['fontLeft'] < 0 ? $this->backgroundWidth - abs($val['fontLeft']) : $val['fontLeft'];
$val['fontTop'] = $val['fontTop'] < 0 ? $this->backgroundHeight - abs($val['fontTop']) : $val['fontTop'];
imagettftext($image, $val['fontSize'], $val['fontAngle'], $val['fontLeft'], $val['fontTop'], $fontColor, $val['fontPath'], $val['fontText']);
unset($r, $g, $b, $fontColor);
}
if (is_null($this->fileName)) {
$this->fileName = md5(time());
}
$strlen = stripos($this->path, 'uploads');
$path = $this->path;
if ($strlen !== false) {
$path = substr($this->path, 8);
}
if (make_path($path, 4, true) === '') {
throw new \RuntimeException(400555);
}
$save_file = $this->path . $this->fileName . '.' . $this->imageType;
switch ($this->imageType) {
case 'jpeg':
case 'jpg':
imagejpeg($image, public_path().$save_file, 70);
break;
case 'png':
imagepng($image, public_path().$save_file, 70);
break;
case 'gif':
imagegif($image, public_path().$save_file, 70);
break;
default:
throw new \RuntimeException('Incorrect type set:' . $this->imageType);
}
imagedestroy($image);
return $save_file;
} catch (\Throwable $e) {
if ($force || $e instanceof \RuntimeException)
throw new \Exception($e->getMessage());
return '';
}
}
/**
* Magic access..
*
* @param $method
* @param $args
* @return $this
*/
public function __call($method, $args): self
{
if (0 === stripos($method, 'set') && strlen($method) > 3) {
$method = lcfirst(substr($method, 3));
}
$imageValueKes = array_keys($this->defaultImageValue);
$fontValueKes = array_keys($this->defaultFontValue);
if (in_array($method, $imageValueKes)) {
$this->defaultImageValue[$method] = array_shift($args);
}
if (in_array($method, $fontValueKes)) {
$this->defaultFontValue[$method] = array_shift($args);
}
if (in_array($method, $this->propsRule)) {
$this->{$method} = array_shift($args);
}
return $this;
}
}