You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
70 lines
2.1 KiB
70 lines
2.1 KiB
4 years ago
|
/*
|
||
|
|
Simple DirectMedia Layer
|
||
|
|
Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
|
||
|
|
|
||
|
|
This software is provided 'as-is', without any express or implied
|
||
|
|
warranty. In no event will the authors be held liable for any damages
|
||
|
|
arising from the use of this software.
|
||
|
|
|
||
|
|
Permission is granted to anyone to use this software for any purpose,
|
||
|
|
including commercial applications, and to alter it and redistribute it
|
||
|
|
freely, subject to the following restrictions:
|
||
|
|
|
||
|
|
1. The origin of this software must not be misrepresented; you must not
|
||
|
|
claim that you wrote the original software. If you use this software
|
||
|
|
in a product, an acknowledgment in the product documentation would be
|
||
|
|
appreciated but is not required.
|
||
|
|
2. Altered source versions must be plainly marked as such, and must not be
|
||
|
|
misrepresented as being the original software.
|
||
|
|
3. This notice may not be removed or altered from any source distribution.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* \file SDL_test_compare.h
|
||
|
|
*
|
||
|
|
* Include file for SDL test framework.
|
||
|
|
*
|
||
|
|
* This code is a part of the SDL2_test library, not the main SDL library.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
|
||
|
|
Defines comparison functions (i.e. for surfaces).
|
||
|
|
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef SDL_test_compare_h_
|
||
|
|
#define SDL_test_compare_h_
|
||
|
|
|
||
|
|
#include "SDL.h"
|
||
|
|
|
||
|
|
#include "SDL_test_images.h"
|
||
|
|
|
||
|
|
#include "begin_code.h"
|
||
|
|
/* Set up for C function definitions, even when using C++ */
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/**
|
||
|
|
* \brief Compares a surface and with reference image data for equality
|
||
|
|
*
|
||
|
|
* \param surface Surface used in comparison
|
||
|
|
* \param referenceSurface Test Surface used in comparison
|
||
|
|
* \param allowable_error Allowable difference (=sum of squared difference for each RGB component) in blending accuracy.
|
||
|
|
*
|
||
|
|
* \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.
|
||
|
|
*/
|
||
|
|
int SDLTest_CompareSurfaces(SDL_Surface *surface, SDL_Surface *referenceSurface, int allowable_error);
|
||
|
|
|
||
|
|
|
||
|
|
/* Ends C function definitions when using C++ */
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
#include "close_code.h"
|
||
|
|
|
||
|
|
#endif /* SDL_test_compare_h_ */
|
||
|
|
|
||
|
|
/* vi: set ts=4 sw=4 expandtab: */
|