Файл SDL_test_compare.h

См. исходные тексты.

Функции
int	SDLTest_CompareSurfaces (SDL_Surface *surface, SDL_Surface *referenceSurface, int allowable_error)
	Compares a surface and with reference image data for equality. Подробнее...

Подробное описание

Include file for SDL test framework.

This code is a part of the SDL2_test library, not the main SDL library.

См. определение в файле SDL_test_compare.h

Функции

SDLTest_CompareSurfaces()

int SDLTest_CompareSurfaces	(	SDL_Surface *	surface,
		SDL_Surface *	referenceSurface,
		int	allowable_error
	)

Compares a surface and with reference image data for equality.

Аргументы

surface	Surface used in comparison
referenceSurface	Test Surface used in comparison
allowable_error	Allowable difference (=sum of squared difference for each RGB component) in blending accuracy.

Возвращает

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.