这个例子是从Allegro V3.12的例程包中移植过来的,原文件为examples\\ex4.c 原作者是Shawn Hargreaves.这个程序示范怎样操作调色板,它把一套同 心的圆画在屏幕上并且通过循环调色板产生奇妙的特效.-this example from the routines Allegro V3.12 package transplant, the original document examples \\ ex4.c Shawn Hargreaves is th

应用的小程序，在opencv中，应用canny算子对图像提取边缘-Application of small program, and in opencv, canny operator application of image edge extraction