test/automated/common/common.h
author Ryan C. Gordon <icculus@icculus.org>
Wed, 03 Apr 2013 11:38:05 -0400
changeset 7051 cf773d8091c7
parent 3477 2c07bb579922
child 7053 187225ae13e5
permissions -rw-r--r--
Possibly fix compiler warnings, simplify SDLTest_SurfaceImage_t definition.

/**
 * 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 unsigned 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 */