摘要：
GitHub源地址：https://github.com/BradLarson/GPUImageGPUImageBrightnessFilter: Adjusts the brightness of the imagebrightness: The adjusted brightness (-1.0 - 1.0, with 0.0 as the default)（亮度过滤器）GPUImageExposureFilter: Adjusts the exposure of the imageexposure: The adjusted exposure (-10.0 - 10.0, with 0. 阅读全文
