thinkphp png水印

<?php
namespace app\index\controller;

use think\Controller;
use think\Image;

class Watermark extends Controller
{
    public function addWatermark($imagePath, $watermarkText, $outputPath)
    {
        // 打开原始图片
        $image = Image::open($imagePath);

        // 创建一个新的图像资源用于水印
        $watermark = Image::canvas(200, 100);
        $watermark->font('path/to/font.ttf', 30)
                  ->fill('#ffffff')
                  ->text($watermarkText, 20, 50);

        // 将水印添加到原始图片上
        $image->water($watermark, 'center', 30);

        // 保存带有水印的图片
        $image->save($outputPath);
    }
}

$watermark->font('path/to/font.ttf', 50)
          ->fill('#000000')
          ->text($watermarkText, 20, 50);

$image->water($watermark, 'bottom-right', 20);

$watermark = Image::open('path/to/watermark.png');
$watermark->resize(200, 100);
$image->water($watermark, 'center', 30);