README

功能

• 调整大小并保存图像
• 添加水印
• 支持的输入和输出格式 jpg, png, gif

依赖项

• php GD2 扩展

使用 Composer 安装

1. 运行命令 composer require stefano/stefano-image

使用方法

这是原始图像

• 调整大小并保持原始图像的宽高比

$maxWidth = 200;
$maxHeight = 200;
$resizer = new \StefanoImage\Image();
$resizer->sourceImage($sourceImage)
        ->resize($maxWidth, $maxHeight)
        ->save($outputDir, $name);

这是输出

• 自适应调整大小

$width = 200;
$height = 50;
$resizer = new \StefanoImage\Image();
$resizer->sourceImage($sourceImage)
        ->adaptiveResize($width, $height)
        ->save($outputDir, $name);

这是输出

• 填充

$width = 200;
$height = 200;
$resizer = new \StefanoImage\Image();
$resizer->sourceImage($sourceImage)
        ->pad($width, $height)
        ->save($outputDir, $name);

这是输出

• 填充并更改背景颜色

$width = 350;
$height = 150;
$resizer = new \StefanoImage\Image();
$resizer->sourceImage($sourceImage)
        ->pad($width, $height)
        ->backgroundColor(35, 210, 240)
        ->save($outputDir, $name);

这是输出

• 添加水印

$maxWidth = 350;
$maxHeight = 150;
$maxWidthPercent = 40;
$maxHeightPercent = 40;
$opacity = 30;
$watermarkPosition = \StefanoImage\Image::WATERMARK_POSITION_TOP_RIGHT;
$resizer = new \StefanoImage\Image();
$resizer->sourceImage($sourceImage)
        ->resize($maxWidth, $maxHeight)
        ->addWatermark($watermark, $maxWidthPercent, $maxHeightPercent, $opacity, $watermarkPosition)
        ->save($outputDir, $name);

这是输出

• 更改输出格式

$resizer->outputFormat(\StefanoImage\Image::OUTPUT_FORMAT_PNG);

• 更改输出质量

$resizer->quality(15);