使用 Cloudflare Worker 处理图片，支持缩放、剪裁、水印等功能

This topic created in 925 days ago, the information mentioned may be changed or developed.

使用 Photon 、Squash WebAssembly 、Cloudflare Worker 做了一个图片缩放服务。

Photon 的功能基本都支持。

支持：

欢迎 Star ，一起修复 Bug

演示

rotate

rotate

watermark

resize & rotate & draw_text

理论上支持 Photon 的各种操作，有兴趣的可以查看图片地址，按照 Photon 文档修改参数自己尝试。如果发现异常可以评论反馈给我。

Supplement 1 · Nov 25, 2023

Cloudflare 官方也有图片处理，但是需要绑卡和付费套餐。

Photon 除了缩放、剪裁、水印等基础功能，还支持滤镜、图像校正等功能。

可以使用这两个工具探索：

官方文档：

96 functions are available, including:

Transformations: Resize, crop, and flip images.
Image correction: Hue rotation, sharpening, brightness adjustment, adjusting saturation, lightening/darkening all within various colour spaces.
Convolutions: Sobel filters, blurs, Laplace effects, edge detection, etc.,
Channel manipulation: Increasing/decreasing RGB channel values, swapping channels, removing channels, etc.
Monochrome effects: Duotoning, greyscaling of various forms, thresholding, sepia, averaging RGB values
Colour manipulation: Work with the image in various colour spaces such as HSL, LCh, and sRGB, and adjust the colours accordingly.
Filters: Over 30 pre-set filters available, incorporating various effects and transformations.
Text: Apply text to imagery in artistic ways, or to watermark, etc.,
Watermarking: Watermark images in multiple formats.
Blending: Blend images together using 10 different techniques, change image backgrounds.

目前在 Worker 里边能支撑多少我没有测试（免费 Worker 有内存和CPU运行时间限制），参数都是透穿的，大家可以按照修改参数测试，参数说明。

比如滤镜： filter!radio