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Merged Edgar's code changes from Google Summer of Code 2009
author Sam Lantinga <slouken@libsdl.org>
date Mon, 07 Sep 2009 05:06:34 +0000
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children 9f62f47d989b
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22ac66da0765 Merged Edgar's code changes from Google Summer of Code 2009
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1 /**
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2 * Automated SDL test common framework.
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3 *
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4 * Written by Edgar Simo "bobbens"
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5 *
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6 * Released under Public Domain.
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7 */
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10 #ifndef COMMON_H
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11 # define COMMON_H
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14 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN)
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15 # define RMASK 0xff000000 /**< Red bit mask. */
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16 # define GMASK 0x00ff0000 /**< Green bit mask. */
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17 # define BMASK 0x0000ff00 /**< Blue bit mask. */
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18 # define AMASK 0x000000ff /**< Alpha bit mask. */
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19 #else
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20 # define RMASK 0x000000ff /**< Red bit mask. */
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21 # define GMASK 0x0000ff00 /**< Green bit mask. */
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22 # define BMASK 0x00ff0000 /**< Blue bit mask. */
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23 # define AMASK 0xff000000 /**< Alpha bit mask. */
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24 #endif
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27 typedef struct SurfaceImage_s {
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28 int width;
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29 int height;
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30 unsigned int bytes_per_pixel; /* 3:RGB, 4:RGBA */
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31 const unsigned char pixel_data[];
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32 } SurfaceImage_t;
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35 /**
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36 * @brief Compares a surface and a surface image for equality.
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37 *
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38 * @param sur Surface to compare.
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39 * @param img Image to compare against.
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40 * @return 0 if they are the same, -1 on error and positive if different.
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41 */
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42 int surface_compare( SDL_Surface *sur, const SurfaceImage_t *img );
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45 #endif /* COMMON_H */
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