/**

 * 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 */