基于OpenGL的2D硬加速图形库，实现了常用的2D图形显示算法。-Based on the 2D hardware accelerated OpenGL graphics library, a commonly used algorithm for 2D graphics.

对图片进行二维快速傅里叶变换，并且用GPU的并行算法进行加速，大幅度提高运算速度-The picture-dimensional fast Fourier transform, and accelerated with the GPU s parallel algorithm, greatly improve processing speed