include/SDL_test_compare.h
author Andreas Schiffler <aschiffler@ferzkopp.net>
Sat, 22 Dec 2012 16:06:55 -0800
changeset 6763 9cbd31a3450b
child 6772 5229a117ef97
permissions -rw-r--r--
Test lib updates: updated harness to support filtering, added surface comparer, updated interface to test images; added Render test suite from GSOC project
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>
     4 
     5   This software is provided 'as-is', without any express or implied
     6   warranty.  In no event will the authors be held liable for any damages
     7   arising from the use of this software.
     8 
     9   Permission is granted to anyone to use this software for any purpose,
    10   including commercial applications, and to alter it and redistribute it
    11   freely, subject to the following restrictions:
    12 
    13   1. The origin of this software must not be misrepresented; you must not
    14      claim that you wrote the original software. If you use this software
    15      in a product, an acknowledgment in the product documentation would be
    16      appreciated but is not required.
    17   2. Altered source versions must be plainly marked as such, and must not be
    18      misrepresented as being the original software.
    19   3. This notice may not be removed or altered from any source distribution.
    20 */
    21 
    22 /**
    23  *  \file SDL_test_compare.h
    24  *  
    25  *  Include file for SDL test framework.
    26  *
    27  *  This code is a part of the SDL2_test library, not the main SDL library.
    28  */
    29 
    30 /* 
    31 
    32  Defines comparison functions (i.e. for surfaces).
    33   
    34 */
    35 
    36 #ifndef _SDL_test_compare_h
    37 #define _SDL_test_compare_h
    38 
    39 #include "SDL.h"
    40 #include "SDL_test_images.h"
    41 
    42 #include "begin_code.h"
    43 /* Set up for C function definitions, even when using C++ */
    44 #ifdef __cplusplus
    45 /* *INDENT-OFF* */
    46 extern "C" {
    47 /* *INDENT-ON* */
    48 #endif
    49 
    50 /**
    51  * \brief Compares a surface and with reference image data for equality
    52  *
    53  * \param sur Surface used in comparison
    54  * \param img Test Surface used in comparison
    55  * \param allowable_error Allowable difference in blending accuracy
    56  *
    57  * \returns 0 if comparison succeeded, >0 (=number of pixels where comparison failed) if comparison failed, <0 for any other error.
    58  */
    59 int SDLTest_CompareSurfaces(SDL_Surface *sur, SDL_Surface *img, int allowable_error);
    60       
    61 
    62 /* Ends C function definitions when using C++ */
    63 #ifdef __cplusplus
    64 /* *INDENT-OFF* */
    65 }
    66 /* *INDENT-ON* */
    67 #endif
    68 #include "close_code.h"
    69 
    70 #endif /* _SDL_test_compare_h */
    71 
    72 /* vi: set ts=4 sw=4 expandtab: */