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69 lines
2.1 KiB
69 lines
2.1 KiB
/* |
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Simple DirectMedia Layer |
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Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org> |
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This software is provided 'as-is', without any express or implied |
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warranty. In no event will the authors be held liable for any damages |
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arising from the use of this software. |
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Permission is granted to anyone to use this software for any purpose, |
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including commercial applications, and to alter it and redistribute it |
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freely, subject to the following restrictions: |
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1. The origin of this software must not be misrepresented; you must not |
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claim that you wrote the original software. If you use this software |
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in a product, an acknowledgment in the product documentation would be |
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appreciated but is not required. |
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2. Altered source versions must be plainly marked as such, and must not be |
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misrepresented as being the original software. |
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3. This notice may not be removed or altered from any source distribution. |
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*/ |
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/** |
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* \file SDL_test_compare.h |
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* |
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* Include file for SDL test framework. |
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* |
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* This code is a part of the SDL2_test library, not the main SDL library. |
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*/ |
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/* |
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Defines comparison functions (i.e. for surfaces). |
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*/ |
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#ifndef SDL_test_compare_h_ |
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#define SDL_test_compare_h_ |
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#include "SDL.h" |
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#include "SDL_test_images.h" |
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#include "begin_code.h" |
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/* Set up for C function definitions, even when using C++ */ |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/** |
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* \brief Compares a surface and with reference image data for equality |
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* |
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* \param surface Surface used in comparison |
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* \param referenceSurface Test Surface used in comparison |
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* \param allowable_error Allowable difference (=sum of squared difference for each RGB component) in blending accuracy. |
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* |
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* \returns 0 if comparison succeeded, >0 (=number of pixels for which the comparison failed) if comparison failed, -1 if any of the surfaces were NULL, -2 if the surface sizes differ. |
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*/ |
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int SDLTest_CompareSurfaces(SDL_Surface *surface, SDL_Surface *referenceSurface, int allowable_error); |
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/* Ends C function definitions when using C++ */ |
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#ifdef __cplusplus |
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} |
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#endif |
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#include "close_code.h" |
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#endif /* SDL_test_compare_h_ */ |
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/* vi: set ts=4 sw=4 expandtab: */
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