#include <windows.h>



typedef struct _PATTERN_A {
  unsigned char buf[256][256];
} PATTERN_A;

typedef struct _PATTERN_RGB {
  unsigned char buf[256][256][3];
} PATTERN_RGB;




void drag(int mx, int my);




void Pattern_Startup();

void Pattern_Display(HDC dc, PATTERN_RGB *rgb);

PATTERN_RGB *Pattern_Generate();