/**

  * Automated SDL test common framework.

  *

  * Written by Edgar Simo "bobbens"

  *

  * Released under Public Domain.

  */

 #ifndef COMMON_H

 #  define COMMON_H

 #  define FORMAT  SDL_PIXELFORMAT_ARGB8888

 #  define AMASK   0xff000000 /**< Alpha bit mask. */

 #  define RMASK   0x00ff0000 /**< Red bit mask. */

 #  define GMASK   0x0000ff00 /**< Green bit mask. */

 #  define BMASK   0x000000ff /**< Blue bit mask. */

 typedef struct SurfaceImage_s {

    int width;

    int height;

    unsigned int  bytes_per_pixel; /* 3:RGB, 4:RGBA */ 

    const char *pixel_data;

 } SurfaceImage_t;

 #define ALLOWABLE_ERROR_OPAQUE	0

 #define ALLOWABLE_ERROR_BLENDED	64

 /**

  * @brief Compares a surface and a surface image for equality.

  *

  *    @param sur Surface to compare.

  *    @param img Image to compare against.

  *    @return 0 if they are the same, -1 on error and positive if different.

  */

 int surface_compare( SDL_Surface *sur, const SurfaceImage_t *img, int allowable_error );

 #endif /* COMMON_H */