java做的图像处理，支持局部放大和整体放大，还有灰度和对比度调整-do image processing, support and enlarge the overall local amplification, gray and contrast adjustment

上传裁减图片java做的图像处理 支持局部放大和整体放大 还有灰度和对比度调整-From the reduction of the picture image processing java support to do zoom and the overall amplification of local gray-scale and contrast also adjust