/**+
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 * Automated SDL_Surface test.+
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 *+
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 * Written by Edgar Simo "bobbens"+
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 *+
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 * Released under Public Domain.+
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 */+
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+
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+
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#include "SDL.h"+
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#include "SDL_at.h"+
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+
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#include "common/common.h"+
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+
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+
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/**+
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 * @brief Compares a surface and a surface image for equality.+
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 */+
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int surface_compare( SDL_Surface *sur, const SurfaceImage_t *img )+
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{+
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   int ret;+
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   int i,j;+
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   int bpp;+
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   Uint8 *p, *pd;+
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+
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   /* Make sure size is the same. */+
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   if ((sur->w != img->width) || (sur->h != img->height))+
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      return -1;+
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+
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   SDL_LockSurface( sur );+
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+
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   ret = 0;+
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   bpp = sur->format->BytesPerPixel;+
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+
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   /* Compare image - should be same format. */+
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   for (j=0; j<sur->h; j++) {+
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      for (i=0; i<sur->w; i++) {+
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         p  = (Uint8 *)sur->pixels + j * sur->pitch + i * bpp;+
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         pd = (Uint8 *)img->pixel_data + (j*img->width + i) * img->bytes_per_pixel;+
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         switch (bpp) {+
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            case 1:+
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            case 2:+
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            case 3:+
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               ret += 1;+
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               printf("%d BPP not supported yet.\n",bpp);+
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               break;+
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+
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            case 4:+
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               ret += !( (p[0] == pd[0]) &&+
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                         (p[1] == pd[1]) &&+
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                         (p[2] == pd[2]) );+
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               break;+
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         }+
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      }+
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   }+
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+
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   SDL_UnlockSurface( sur );+
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+
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   return ret;+
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}+
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