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annotate test/automated/common/common.h @ 3435:9f62f47d989b

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You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() This code still doesn't quite work yet. :)
author Sam Lantinga <slouken@libsdl.org>
date Mon, 16 Nov 2009 07:13:07 +0000
parents 22ac66da0765
children 0acec8c9f5c9
rev   line source
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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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8
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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 FORMAT SDL_PIXELFORMAT_RGBA8888
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16 # define RMASK 0xff000000 /**< Red bit mask. */
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17 # define GMASK 0x00ff0000 /**< Green bit mask. */
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18 # define BMASK 0x0000ff00 /**< Blue bit mask. */
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19 # define AMASK 0x000000ff /**< Alpha bit mask. */
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20 #else
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21 # define FORMAT SDL_PIXELFORMAT_ABGR8888
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22 # define RMASK 0x000000ff /**< Red bit mask. */
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23 # define GMASK 0x0000ff00 /**< Green bit mask. */
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24 # define BMASK 0x00ff0000 /**< Blue bit mask. */
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25 # define AMASK 0xff000000 /**< Alpha bit mask. */
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26 #endif
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29 typedef struct SurfaceImage_s {
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30 int width;
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31 int height;
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32 unsigned int bytes_per_pixel; /* 3:RGB, 4:RGBA */
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33 const unsigned char pixel_data[];
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34 } SurfaceImage_t;
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37 /**
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38 * @brief Compares a surface and a surface image for equality.
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39 *
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40 * @param sur Surface to compare.
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41 * @param img Image to compare against.
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42 * @return 0 if they are the same, -1 on error and positive if different.
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43 */
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44 int surface_compare( SDL_Surface *sur, const SurfaceImage_t *img );
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47 #endif /* COMMON_H */
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