<?php /** * 定义接口 - 需要实现的图片处理方式 */ interface Util_Image_Interface { public function thumbnail($w, $h, $fit = true); public function resize($w, $h, $fit = true); public function paste($w, $h, $bg = '#FFFFFF'); public function crop($w, $h, $x = 0, $y = 0); public function autoCrop($w, $h); public function customCrop($w, $h); public function waterfallCrop($w, $h); }