54 lines
2.0 KiB
PHP
54 lines
2.0 KiB
PHP
<?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) 2016~2022 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\services;
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use think\exception\ValidateException;
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class ImageWaterMarkService
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{
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public function run($in_img, $water_text = '商城入驻专用其它无效', $font_size = 30, $water_w = 300, $water_h = 450, $angle = -45)
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{
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if (!is_file($in_img))
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throw new ValidateException('图片不存在');
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$font = public_path() . 'font/simsunb.ttf';
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$info = getimagesize($in_img);
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//通过编号获取图像类型
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$type = image_type_to_extension($info[2], false);
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//在内存中创建和图像类型一样的图像
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$fun = "imagecreatefrom" . $type;
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//图片复制到内存
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$image = $fun($in_img);
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//设置字体颜色和透明度
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$color = imagecolorallocatealpha($image, 190, 190, 190, 0.3);
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$x_length = $info[0];
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$y_length = $info[1];
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//铺满屏幕
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for ($x = 10; $x < $x_length; $x) {
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for ($y = 20; $y < $y_length; $y) {
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imagettftext($image, $font_size, $angle, $x, $y, $color, $font, $water_text);
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$y += $water_h;
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}
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$x += $water_w;
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}
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//浏览器输出 保存图片的时候 需要去掉
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//header("Content-type:".$info['mime']);
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$fun = "image" . $type;
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// $fun($image);
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//保存图片
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$fun($image, $in_img);
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//销毁图片
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imagedestroy($image);
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}
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}
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